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1. Time series of freshwater macroinvertebrate abundances and site characteristics of European streams and rivers

Author

Welti, E, Bowler, D, Sinclair, J, Altermatt, F, Alvarez-Cabria, M, Amatulli, G, Angeler, D, Archambaud, G, Arrate Jorrin, I, Aspin, T, Azpiroz, I, Baker, N, Banares, I, Barquin Ortiz, J, Bodin, C, Bonacina, L, Bonada, N, Bottarin, R, Canedo-Arguelles, M, Csabai, Z, Datry, T, de Eyto, E, Dohet, A, Domisch, S, Dorflinger, G, Drohan, E, Eikland, K, England, J, Eriksen, T, Evtimova, V, Feio, M, Ferreol, M, Floury, M, Forcellini, M, Forio, M, Fornaroli, R, Friberg, N, Fruget, J, Garcia Marquez, J, Georgieva, G, Goethals, P, Graca, M, House, A, Huttunen, K, Jensen, T, Johnson, R, Jones, J, Kiesel, J, Larranaga, A, Leitner, P, L'Hoste, L, Lizee, M, Lorenz, A, Maire, A, Manzanos Arnaiz, J, Mckie, B, Millan, A, Muotka, T, Murphy, J, Ozolins, D, Paavola, R, Paril, P, Penas Silva, F, Polasek, M, Rasmussen, J, Rubio, M, Sanchez Fernandez, D, Sandin, L, Schafer, R, Schmidt-Kloiber, A, Scotti, A, Shen, L, Skuja, A, Stoll, S, Straka, M, Stubbington, R, Timm, H, Tyufekchieva, V, Tziortzis, I, Uzunov, Y, van der Lee, G, Vannevel, R, Varadinova, E, Varbiro, G, Velle, G, Verdonschot, P, Verdonschot, R, Vidinova, Y, Wiberg-Larsen, P, Haase, P, Welti E. A. R., Bowler D. E., Sinclair J. S., Altermatt F., Alvarez-Cabria M., Amatulli G., Angeler D. G., Archambaud G., Arrate Jorrin I., Aspin T., Azpiroz I., Baker N. J., Banares I., Barquin Ortiz J., Bodin C. L., Bonacina L., Bonada N., Bottarin R., Canedo-Arguelles M., Csabai Z., Datry T., de Eyto E., Dohet A., Domisch S., Dorflinger G., Drohan E., Eikland K. A., England J., Eriksen T. E., Evtimova V., Feio M. J., Ferreol M., Floury M., Forcellini M., Forio M. A. E., Fornaroli R., Friberg N., Fruget J. -F., Garcia Marquez J. R., Georgieva G., Goethals P., Graca M. A. S., House A., Huttunen K. -L., Jensen T. C., Johnson R. K., Jones J. I., Kiesel J., Larranaga A., Leitner P., L'Hoste L., Lizee M. -H., Lorenz A. W., Maire A., Manzanos Arnaiz J. A., Mckie B., Millan A., Muotka T., Murphy J. F., Ozolins D., Paavola R., Paril P., Penas Silva F. J., Polasek M., Rasmussen J., Rubio M., Sanchez Fernandez D., Sandin L., Schafer R. B., Schmidt-Kloiber A., Scotti A., Shen L. Q., Skuja A., Stoll S., Straka M., Stubbington R., Timm H., Tyufekchieva V. G., Tziortzis I., Uzunov Y., van der Lee G. H., Vannevel R., Varadinova E., Varbiro G., Velle G., Verdonschot P. F. M., Verdonschot R. C. M., Vidinova Y., Wiberg-Larsen P., Haase P., Welti, E, Bowler, D, Sinclair, J, Altermatt, F, Alvarez-Cabria, M, Amatulli, G, Angeler, D, Archambaud, G, Arrate Jorrin, I, Aspin, T, Azpiroz, I, Baker, N, Banares, I, Barquin Ortiz, J, Bodin, C, Bonacina, L, Bonada, N, Bottarin, R, Canedo-Arguelles, M, Csabai, Z, Datry, T, de Eyto, E, Dohet, A, Domisch, S, Dorflinger, G, Drohan, E, Eikland, K, England, J, Eriksen, T, Evtimova, V, Feio, M, Ferreol, M, Floury, M, Forcellini, M, Forio, M, Fornaroli, R, Friberg, N, Fruget, J, Garcia Marquez, J, Georgieva, G, Goethals, P, Graca, M, House, A, Huttunen, K, Jensen, T, Johnson, R, Jones, J, Kiesel, J, Larranaga, A, Leitner, P, L'Hoste, L, Lizee, M, Lorenz, A, Maire, A, Manzanos Arnaiz, J, Mckie, B, Millan, A, Muotka, T, Murphy, J, Ozolins, D, Paavola, R, Paril, P, Penas Silva, F, Polasek, M, Rasmussen, J, Rubio, M, Sanchez Fernandez, D, Sandin, L, Schafer, R, Schmidt-Kloiber, A, Scotti, A, Shen, L, Skuja, A, Stoll, S, Straka, M, Stubbington, R, Timm, H, Tyufekchieva, V, Tziortzis, I, Uzunov, Y, van der Lee, G, Vannevel, R, Varadinova, E, Varbiro, G, Velle, G, Verdonschot, P, Verdonschot, R, Vidinova, Y, Wiberg-Larsen, P, Haase, P, Welti E. A. R., Bowler D. E., Sinclair J. S., Altermatt F., Alvarez-Cabria M., Amatulli G., Angeler D. G., Archambaud G., Arrate Jorrin I., Aspin T., Azpiroz I., Baker N. J., Banares I., Barquin Ortiz J., Bodin C. L., Bonacina L., Bonada N., Bottarin R., Canedo-Arguelles M., Csabai Z., Datry T., de Eyto E., Dohet A., Domisch S., Dorflinger G., Drohan E., Eikland K. A., England J., Eriksen T. E., Evtimova V., Feio M. J., Ferreol M., Floury M., Forcellini M., Forio M. A. E., Fornaroli R., Friberg N., Fruget J. -F., Garcia Marquez J. R., Georgieva G., Goethals P., Graca M. A. S., House A., Huttunen K. -L., Jensen T. C., Johnson R. K., Jones J. I., Kiesel J., Larranaga A., Leitner P., L'Hoste L., Lizee M. -H., Lorenz A. W., Maire A., Manzanos Arnaiz J. A., Mckie B., Millan A., Muotka T., Murphy J. F., Ozolins D., Paavola R., Paril P., Penas Silva F. J., Polasek M., Rasmussen J., Rubio M., Sanchez Fernandez D., Sandin L., Schafer R. B., Schmidt-Kloiber A., Scotti A., Shen L. Q., Skuja A., Stoll S., Straka M., Stubbington R., Timm H., Tyufekchieva V. G., Tziortzis I., Uzunov Y., van der Lee G. H., Vannevel R., Varadinova E., Varbiro G., Velle G., Verdonschot P. F. M., Verdonschot R. C. M., Vidinova Y., Wiberg-Larsen P., and Haase P.

Abstract

Freshwater macroinvertebrates are a diverse group and play key ecological roles, including accelerating nutrient cycling, filtering water, controlling primary producers, and providing food for predators. Their differences in tolerances and short generation times manifest in rapid community responses to change. Macroinvertebrate community composition is an indicator of water quality. In Europe, efforts to improve water quality following environmental legislation, primarily starting in the 1980s, may have driven a recovery of macroinvertebrate communities. Towards understanding temporal and spatial variation of these organisms, we compiled the TREAM dataset (Time seRies of European freshwAter Macroinvertebrates), consisting of macroinvertebrate community time series from 1,816 river and stream sites (mean length of 19.2 years and 14.9 sampling years) of 22 European countries sampled between 1968 and 2020. In total, the data include >93 million sampled individuals of 2,648 taxa from 959 genera and 212 families. These data can be used to test questions ranging from identifying drivers of the population dynamics of specific taxa to assessing the success of legislative and management restoration efforts.

Published
2024

2. The recovery of European freshwater biodiversity has come to a halt

Author

Haase, P, Bowler, D, Baker, N, Bonada, N, Domisch, S, Garcia Marquez, J, Heino, J, Hering, D, Jahnig, S, Schmidt-Kloiber, A, Stubbington, R, Altermatt, F, Alvarez-Cabria, M, Amatulli, G, Angeler, D, Archambaud-Suard, G, Jorrin, I, Aspin, T, Azpiroz, I, Banares, I, Ortiz, J, Bodin, C, Bonacina, L, Bottarin, R, Canedo-Arguelles, M, Csabai, Z, Datry, T, de Eyto, E, Dohet, A, Dorflinger, G, Drohan, E, Eikland, K, England, J, Eriksen, T, Evtimova, V, Feio, M, Ferreol, M, Floury, M, Forcellini, M, Forio, M, Fornaroli, R, Friberg, N, Fruget, J, Georgieva, G, Goethals, P, Graca, M, Graf, W, House, A, Huttunen, K, Jensen, T, Johnson, R, Jones, J, Kiesel, J, Kuglerova, L, Larranaga, A, Leitner, P, L'Hoste, L, Lizee, M, Lorenz, A, Maire, A, Arnaiz, J, Mckie, B, Millan, A, Monteith, D, Muotka, T, Murphy, J, Ozolins, D, Paavola, R, Paril, P, Penas, F, Pilotto, F, Polasek, M, Rasmussen, J, Rubio, M, Sanchez-Fernandez, D, Sandin, L, Schafer, R, Scotti, A, Shen, L, Skuja, A, Stoll, S, Straka, M, Timm, H, Tyufekchieva, V, Tziortzis, I, Uzunov, Y, van der Lee, G, Vannevel, R, Varadinova, E, Varbiro, G, Velle, G, Verdonschot, P, Verdonschot, R, Vidinova, Y, Wiberg-Larsen, P, Welti, E, Haase P., Bowler D. E., Baker N. J., Bonada N., Domisch S., Garcia Marquez J. R., Heino J., Hering D., Jahnig S. C., Schmidt-Kloiber A., Stubbington R., Altermatt F., Alvarez-Cabria M., Amatulli G., Angeler D. G., Archambaud-Suard G., Jorrin I. A., Aspin T., Azpiroz I., Banares I., Ortiz J. B., Bodin C. L., Bonacina L., Bottarin R., Canedo-Arguelles M., Csabai Z., Datry T., de Eyto E., Dohet A., Dorflinger G., Drohan E., Eikland K. A., England J., Eriksen T. E., Evtimova V., Feio M. J., Ferreol M., Floury M., Forcellini M., Forio M. A. E., Fornaroli R., Friberg N., Fruget J. -F., Georgieva G., Goethals P., Graca M. A. S., Graf W., House A., Huttunen K. -L., Jensen T. C., Johnson R. K., Jones J. I., Kiesel J., Kuglerova L., Larranaga A., Leitner P., L'Hoste L., Lizee M. -H., Lorenz A. W., Maire A., Arnaiz J. A. M., McKie B. G., Millan A., Monteith D., Muotka T., Murphy J. F., Ozolins D., Paavola R., Paril P., Penas F. J., Pilotto F., Polasek M., Rasmussen J. J., Rubio M., Sanchez-Fernandez D., Sandin L., Schafer R. B., Scotti A., Shen L. Q., Skuja A., Stoll S., Straka M., Timm H., Tyufekchieva V. G., Tziortzis I., Uzunov Y., van der Lee G. H., Vannevel R., Varadinova E., Varbiro G., Velle G., Verdonschot P. F. M., Verdonschot R. C. M., Vidinova Y., Wiberg-Larsen P., Welti E. A. R., Haase, P, Bowler, D, Baker, N, Bonada, N, Domisch, S, Garcia Marquez, J, Heino, J, Hering, D, Jahnig, S, Schmidt-Kloiber, A, Stubbington, R, Altermatt, F, Alvarez-Cabria, M, Amatulli, G, Angeler, D, Archambaud-Suard, G, Jorrin, I, Aspin, T, Azpiroz, I, Banares, I, Ortiz, J, Bodin, C, Bonacina, L, Bottarin, R, Canedo-Arguelles, M, Csabai, Z, Datry, T, de Eyto, E, Dohet, A, Dorflinger, G, Drohan, E, Eikland, K, England, J, Eriksen, T, Evtimova, V, Feio, M, Ferreol, M, Floury, M, Forcellini, M, Forio, M, Fornaroli, R, Friberg, N, Fruget, J, Georgieva, G, Goethals, P, Graca, M, Graf, W, House, A, Huttunen, K, Jensen, T, Johnson, R, Jones, J, Kiesel, J, Kuglerova, L, Larranaga, A, Leitner, P, L'Hoste, L, Lizee, M, Lorenz, A, Maire, A, Arnaiz, J, Mckie, B, Millan, A, Monteith, D, Muotka, T, Murphy, J, Ozolins, D, Paavola, R, Paril, P, Penas, F, Pilotto, F, Polasek, M, Rasmussen, J, Rubio, M, Sanchez-Fernandez, D, Sandin, L, Schafer, R, Scotti, A, Shen, L, Skuja, A, Stoll, S, Straka, M, Timm, H, Tyufekchieva, V, Tziortzis, I, Uzunov, Y, van der Lee, G, Vannevel, R, Varadinova, E, Varbiro, G, Velle, G, Verdonschot, P, Verdonschot, R, Vidinova, Y, Wiberg-Larsen, P, Welti, E, Haase P., Bowler D. E., Baker N. J., Bonada N., Domisch S., Garcia Marquez J. R., Heino J., Hering D., Jahnig S. C., Schmidt-Kloiber A., Stubbington R., Altermatt F., Alvarez-Cabria M., Amatulli G., Angeler D. G., Archambaud-Suard G., Jorrin I. A., Aspin T., Azpiroz I., Banares I., Ortiz J. B., Bodin C. L., Bonacina L., Bottarin R., Canedo-Arguelles M., Csabai Z., Datry T., de Eyto E., Dohet A., Dorflinger G., Drohan E., Eikland K. A., England J., Eriksen T. E., Evtimova V., Feio M. J., Ferreol M., Floury M., Forcellini M., Forio M. A. E., Fornaroli R., Friberg N., Fruget J. -F., Georgieva G., Goethals P., Graca M. A. S., Graf W., House A., Huttunen K. -L., Jensen T. C., Johnson R. K., Jones J. I., Kiesel J., Kuglerova L., Larranaga A., Leitner P., L'Hoste L., Lizee M. -H., Lorenz A. W., Maire A., Arnaiz J. A. M., McKie B. G., Millan A., Monteith D., Muotka T., Murphy J. F., Ozolins D., Paavola R., Paril P., Penas F. J., Pilotto F., Polasek M., Rasmussen J. J., Rubio M., Sanchez-Fernandez D., Sandin L., Schafer R. B., Scotti A., Shen L. Q., Skuja A., Stoll S., Straka M., Timm H., Tyufekchieva V. G., Tziortzis I., Uzunov Y., van der Lee G. H., Vannevel R., Varadinova E., Varbiro G., Velle G., Verdonschot P. F. M., Verdonschot R. C. M., Vidinova Y., Wiberg-Larsen P., and Welti E. A. R.

Abstract

Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss 1. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity 2. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European countries between 1968 and 2020, we quantified temporal trends in taxonomic and functional diversity and their responses to environmental pressures and gradients. We observed overall increases in taxon richness (0.73% per year), functional richness (2.4% per year) and abundance (1.17% per year). However, these increases primarily occurred before the 2010s, and have since plateaued. Freshwater communities downstream of dams, urban areas and cropland were less likely to experience recovery. Communities at sites with faster rates of warming had fewer gains in taxon richness, functional richness and abundance. Although biodiversity gains in the 1990s and 2000s probably reflect the effectiveness of water-quality improvements and restoration projects, the decelerating trajectory in the 2010s suggests that the current measures offer diminishing returns. Given new and persistent pressures on freshwater ecosystems, including emerging pollutants, climate change and the spread of invasive species, we call for additional mitigation to revive the recovery of freshwater biodiversity.

Published
2023

3. The recovery of European freshwater biodiversity has come to a halt

Author

Haase, P., Bowler, Diana, Baker, N.J., Bonada, N., Domisch, S., Garcia Marquez, J.R., Heino, J., Hering, D., Jähnig, S.C., Schmidt-Kloiber, A., Stubbington, R., Altermatt, F., Álvarez-Cabria, M., Amatulli, G., Angeler, D.G., Archambaud-Suard, G., Arrate Jorrín, I., Aspin, T., Azpiroz, I., Bañares, I., Barquín Ortiz, J., Bodin, C.L., Bonacina, L., Bottarin, R., Cañedo-Argüelles, M., Csabai, Z., Datry, T., de Eyto, E., Dohet, A., Dörflinger, G., Drohan, E., Eikland, K.A., England, J., Eriksen, T.E., Evtimova, V., Feio, M.J., Ferréol, M., Floury, M., Forcellini, M., Eurie Forio, M.A., Fornaroli, R., Friberg, N., Fruget, J.-F., Georgieva, G., Goethals, P., Graça, M.A.S., Graf, W., House, A., Huttunen, K.-L., Jensen, T.C., Johnson, R.K., Jones, J.I., Kiesel, J., Kuglerová, L., Larrañaga, A., Leitner, P., L’Hoste, L., Lizée, M.-H., Lorenz, A.W., Maire, A., Manzanos Arnaiz, J.A., McKie, B.G., Millán, A., Monteith, D., Muotka, T., Murphy, J.F., Ozolins, D., Paavola, R., Paril, P., Peñas, F.J., Pilotto, F., Polášek, M., Rasmussen, J.J., Rubio, M., Sánchez-Fernández, D., Sandin, L., Schäfer, R.B., Scotti, A., Shen, L.Q., Skuja, A., Stoll, S., Straka, M., Timm, H., Tyufekchieva, V.G., Tziortzis, I., Uzunov, Y., van der Lee, G.H., Vannevel, R., Varadinova, E., Várbíró, G., Velle, G., Verdonschot, P.F.M., Verdonschot, R.C.M., Vidinova, Y., Wiberg-Larsen, P., Welti, E.A.R., Haase, P., Bowler, Diana, Baker, N.J., Bonada, N., Domisch, S., Garcia Marquez, J.R., Heino, J., Hering, D., Jähnig, S.C., Schmidt-Kloiber, A., Stubbington, R., Altermatt, F., Álvarez-Cabria, M., Amatulli, G., Angeler, D.G., Archambaud-Suard, G., Arrate Jorrín, I., Aspin, T., Azpiroz, I., Bañares, I., Barquín Ortiz, J., Bodin, C.L., Bonacina, L., Bottarin, R., Cañedo-Argüelles, M., Csabai, Z., Datry, T., de Eyto, E., Dohet, A., Dörflinger, G., Drohan, E., Eikland, K.A., England, J., Eriksen, T.E., Evtimova, V., Feio, M.J., Ferréol, M., Floury, M., Forcellini, M., Eurie Forio, M.A., Fornaroli, R., Friberg, N., Fruget, J.-F., Georgieva, G., Goethals, P., Graça, M.A.S., Graf, W., House, A., Huttunen, K.-L., Jensen, T.C., Johnson, R.K., Jones, J.I., Kiesel, J., Kuglerová, L., Larrañaga, A., Leitner, P., L’Hoste, L., Lizée, M.-H., Lorenz, A.W., Maire, A., Manzanos Arnaiz, J.A., McKie, B.G., Millán, A., Monteith, D., Muotka, T., Murphy, J.F., Ozolins, D., Paavola, R., Paril, P., Peñas, F.J., Pilotto, F., Polášek, M., Rasmussen, J.J., Rubio, M., Sánchez-Fernández, D., Sandin, L., Schäfer, R.B., Scotti, A., Shen, L.Q., Skuja, A., Stoll, S., Straka, M., Timm, H., Tyufekchieva, V.G., Tziortzis, I., Uzunov, Y., van der Lee, G.H., Vannevel, R., Varadinova, E., Várbíró, G., Velle, G., Verdonschot, P.F.M., Verdonschot, R.C.M., Vidinova, Y., Wiberg-Larsen, P., and Welti, E.A.R.

Abstract

Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss1. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity2. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European countries between 1968 and 2020, we quantified temporal trends in taxonomic and functional diversity and their responses to environmental pressures and gradients. We observed overall increases in taxon richness (0.73% per year), functional richness (2.4% per year) and abundance (1.17% per year). However, these increases primarily occurred before the 2010s, and have since plateaued. Freshwater communities downstream of dams, urban areas and cropland were less likely to experience recovery. Communities at sites with faster rates of warming had fewer gains in taxon richness, functional richness and abundance. Although biodiversity gains in the 1990s and 2000s probably reflect the effectiveness of water-quality improvements and restoration projects, the decelerating trajectory in the 2010s suggests that the current measures offer diminishing returns. Given new and persistent pressures on freshwater ecosystems, including emerging pollutants, climate change and the spread of invasive species, we call for additional mitigation to revive the recovery of freshwater biodiversity.

Published
2023

4. The Asymmetric Response Concept explains ecological consequences of multiple stressor exposure and release

Author

Vos, M., Hering, D., Gessner, M.O., Leese, F., Schäfer, R.B., Tollrian, R., Boenigk, J., Haase, P., Meckenstock, R., Baikova, D., Bayat, H., Beermann, A., Beißer, D., Beszteri, B., Birk, S., Boden, L., Brauer, V., Brauns, Mario, Buchner, D., Burfeid-Castellanos, A., David, G., Deep, A., Doliwa, A., Dunthorn, M., Enß, J., Escobar-Sierra, C., Feld, C.K., Fohrer, N., Grabner, D., Hadziomerovic, U., Jähnig, S.C., Jochmann, M., Khaliq, S., Kiesel, J., Kuppels, A., Lampert, K.P., Yen Le, T.T., Lorenz, A.W., Medina Madariaga, G., Meyer, B., Pantel, J.H., Pimentel, I.M., Mayombo, N.S., Nguyen, H.H., Peters, K., Pfeifer, S.M., Prati, S., Probst, A.J., Reiner, D., Rolauffs, P., Schlenker, Alexandra, Schmidt, T.C., Shah, M., Sieber, G., Stach, T.L., Tielke, A.-K., Vermiert, A.-M., Weiss, M., Weitere, Markus, Sures, B., Vos, M., Hering, D., Gessner, M.O., Leese, F., Schäfer, R.B., Tollrian, R., Boenigk, J., Haase, P., Meckenstock, R., Baikova, D., Bayat, H., Beermann, A., Beißer, D., Beszteri, B., Birk, S., Boden, L., Brauer, V., Brauns, Mario, Buchner, D., Burfeid-Castellanos, A., David, G., Deep, A., Doliwa, A., Dunthorn, M., Enß, J., Escobar-Sierra, C., Feld, C.K., Fohrer, N., Grabner, D., Hadziomerovic, U., Jähnig, S.C., Jochmann, M., Khaliq, S., Kiesel, J., Kuppels, A., Lampert, K.P., Yen Le, T.T., Lorenz, A.W., Medina Madariaga, G., Meyer, B., Pantel, J.H., Pimentel, I.M., Mayombo, N.S., Nguyen, H.H., Peters, K., Pfeifer, S.M., Prati, S., Probst, A.J., Reiner, D., Rolauffs, P., Schlenker, Alexandra, Schmidt, T.C., Shah, M., Sieber, G., Stach, T.L., Tielke, A.-K., Vermiert, A.-M., Weiss, M., Weitere, Markus, and Sures, B.

Abstract

Our capacity to predict trajectories of ecosystem degradation and recovery is limited, especially when impairments are caused by multiple stressors. Recovery may be fast or slow and either complete or partial, sometimes result in novel ecosystem states or even fail completely. Here, we introduce the Asymmetric Response Concept (ARC) that provides a basis for exploring and predicting the pace and magnitude of ecological responses to, and release from, multiple stressors. The ARC holds that three key mechanisms govern population, community and ecosystem trajectories. Stress tolerance is the main mechanism determining responses to increasing stressor intensity, whereas dispersal and biotic interactions predominantly govern responses to the release from stressors. The shifting importance of these mechanisms creates asymmetries between the ecological trajectories that follow increasing and decreasing stressor intensities. This recognition helps to understand multiple stressor impacts and to predict which measures will restore communities that are resistant to restoration.

Published
2023

5. Report on the Future Conversations Workshop at CHIIR 2021

Author

Spina, D, Trippas, J, Thomas, P, Joho, H, Bystrom, K, Clark, L, Craswell, N, Czerwinski, M, Elsweiler, D, Frummet, A, Ghosh, S, Kiesel, J, Lopatovska, I, McDuff, D, Meyer, S, Mourad, A, Owoicho, P, Cherumanal, SP, Russell, D, Sitbon, L, Spina, D, Trippas, J, Thomas, P, Joho, H, Bystrom, K, Clark, L, Craswell, N, Czerwinski, M, Elsweiler, D, Frummet, A, Ghosh, S, Kiesel, J, Lopatovska, I, McDuff, D, Meyer, S, Mourad, A, Owoicho, P, Cherumanal, SP, Russell, D, and Sitbon, L

Abstract

The Future Conversations workshop at CHIIR’21 looked to the future of search, recommendation, and information interaction to ask: where are the opportunities for conversational interactions? What do we need to do to get there? Furthermore, who stands to benefit? The workshop was hands-on and interactive. Rather than a series of technical talks, we solicited position statements on opportunities, problems, and solutions in conversational search in all modalities (written, spoken, or multimodal). This paper –co-authored by the organisers and participants of the workshop– summarises the submitted statements and the discussions we had during the two sessions of the workshop. Statements discussed during the workshop are available at https://bit.ly/FutureConversations2021Statements

Published
2021

6. Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Author

Blöschl, G., Bierkens, M. F. P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J. W., McDonnell, J. J., Savenije, H. H. G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S. T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S. K., Baker, V., Bardsley, E., Barendrecht, M. H., Bartosova, A., Batelaan, O., Berghuijs, W. R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M. E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M. P., Collins, A. L., Croke, B., Dathe, A., David, P. C., de Barros, F. P. J., de Rooij, G., Di Baldassarre, G., Driscoll, J. M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W. H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M. P., Grimaldi, S., Gupta, A. B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T. H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M. L. R., Lindquist, E., Link, T., Liu, J., Loucks, D. P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B. D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V. O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M. J., Post, D., Prieto Sierra, C., Ramos, M. -H, Renner, M., Reynolds, J. E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D. E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R. C., Skaugen, T., Smith, H., Spiessl, S. M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R. J., van der Ploeg, M., Van Loon, A. F., van Meerveld, I., van Nooijen, R., van Oel, P. R., Vidal, J. -P, von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A. J., Ward, P., Westerberg, I. K., White, C., Wood, E. F., Woods, R., Xu, Z., Yilmaz, K. K., Zhang, Y., Blöschl, G., Bierkens, M. F. P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J. W., McDonnell, J. J., Savenije, H. H. G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S. T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S. K., Baker, V., Bardsley, E., Barendrecht, M. H., Bartosova, A., Batelaan, O., Berghuijs, W. R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M. E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M. P., Collins, A. L., Croke, B., Dathe, A., David, P. C., de Barros, F. P. J., de Rooij, G., Di Baldassarre, G., Driscoll, J. M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W. H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M. P., Grimaldi, S., Gupta, A. B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T. H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M. L. R., Lindquist, E., Link, T., Liu, J., Loucks, D. P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B. D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V. O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M. J., Post, D., Prieto Sierra, C., Ramos, M. -H, Renner, M., Reynolds, J. E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D. E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R. C., Skaugen, T., Smith, H., Spiessl, S. M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R. J., van der Ploeg, M., Van Loon, A. F., van Meerveld, I., van Nooijen, R., van Oel, P. R., Vidal, J. -P, von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A. J., Ward, P., Westerberg, I. K., White, C., Wood, E. F., Woods, R., Xu, Z., Yilmaz, K. K., and Zhang, Y.

Abstract

QC 20210112

Published
2019
Full Text
View/download PDF

7. Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Author

Blöschl, G. Bierkens, M. F. P. Chambel, A. Cudennec, C. Destouni, G. Fiori, A. Kirchner, J. W. McDonnell, J. J. Savenije, H. H. G. Sivapalan, M. Stumpp, C. Toth, E. Volpi, E. Carr, G. Lupton, C. Salinas, J. Széles, B. Viglione, A. Aksoy, H. Allen, S. T. Amin, A. Andréassian, V. Arheimer, B. Aryal, S. K. Baker, V. Bardsley, E. Barendrecht, M. H. Bartosova, A. Batelaan, O. Berghuijs, W. R. Beven, K. Blume, T. Bogaard, T. Borges de Amorim, P. Böttcher, M. E. Boulet, G. Breinl, K. Brilly, M. Brocca, L. Buytaert, W. Castellarin, A. Castelletti, A. Chen, X. Chen, Y. Chen, Y. Chifflard, P. Claps, P. Clark, M. P. Collins, A. L. Croke, B. Dathe, A. David, P. C. de Barros, F. P. J. de Rooij, G. Di Baldassarre, G. Driscoll, J. M. Duethmann, D. Dwivedi, R. Eris, E. Farmer, W. H. Feiccabrino, J. Ferguson, G. Ferrari, E. Ferraris, S. Fersch, B. Finger, D. Foglia, L. Fowler, K. Gartsman, B. Gascoin, S. Gaume, E. Gelfan, A. Geris, J. Gharari, S. Gleeson, T. Glendell, M. Gonzalez Bevacqua, A. González-Dugo, M. P. Grimaldi, S. Gupta, A. B. Guse, B. Han, D. Hannah, D. Harpold, A. Haun, S. Heal, K. Helfricht, K. Herrnegger, M. Hipsey, M. Hlaváčiková, H. Hohmann, C. Holko, L. Hopkinson, C. Hrachowitz, M. Illangasekare, T. H. Inam, A. Innocente, C. Istanbulluoglu, E. Jarihani, B. Kalantari, Z. Kalvans, A. Khanal, S. Khatami, S. Kiesel, J. Kirkby, M. Knoben, W. Kochanek, K. Kohnová, S. Kolechkina, A. Krause, S. Kreamer, D. Kreibich, H. Kunstmann, H. Lange, H. Liberato, M. L. R. Lindquist, E. Link, T. Liu, J. Loucks, D. P. Luce, C. Mahé, G. Makarieva, O. Malard, J. Mashtayeva, S. Maskey, S. Mas-Pla, J. Mavrova-Guirguinova, M. Mazzoleni, M. Mernild, S. Misstear, B. D. Montanari, A. Müller-Thomy, H. Nabizadeh, A. Nardi, F. Neale, C. Nesterova, N. Nurtaev, B. Odongo, V. O. Panda, S. Pande, S. Pang, Z. Papacharalampous, G. Perrin, C. Pfister, L. Pimentel, R. Polo, M. J. Post, D. Prieto Sierra, C. Ramos, M. H. Renner, M. Reynolds, J. E. Ridolfi, E. Rigon, R. Riva, M. Robertson, D. E. Rosso, R. and Blöschl, G. Bierkens, M. F. P. Chambel, A. Cudennec, C. Destouni, G. Fiori, A. Kirchner, J. W. McDonnell, J. J. Savenije, H. H. G. Sivapalan, M. Stumpp, C. Toth, E. Volpi, E. Carr, G. Lupton, C. Salinas, J. Széles, B. Viglione, A. Aksoy, H. Allen, S. T. Amin, A. Andréassian, V. Arheimer, B. Aryal, S. K. Baker, V. Bardsley, E. Barendrecht, M. H. Bartosova, A. Batelaan, O. Berghuijs, W. R. Beven, K. Blume, T. Bogaard, T. Borges de Amorim, P. Böttcher, M. E. Boulet, G. Breinl, K. Brilly, M. Brocca, L. Buytaert, W. Castellarin, A. Castelletti, A. Chen, X. Chen, Y. Chen, Y. Chifflard, P. Claps, P. Clark, M. P. Collins, A. L. Croke, B. Dathe, A. David, P. C. de Barros, F. P. J. de Rooij, G. Di Baldassarre, G. Driscoll, J. M. Duethmann, D. Dwivedi, R. Eris, E. Farmer, W. H. Feiccabrino, J. Ferguson, G. Ferrari, E. Ferraris, S. Fersch, B. Finger, D. Foglia, L. Fowler, K. Gartsman, B. Gascoin, S. Gaume, E. Gelfan, A. Geris, J. Gharari, S. Gleeson, T. Glendell, M. Gonzalez Bevacqua, A. González-Dugo, M. P. Grimaldi, S. Gupta, A. B. Guse, B. Han, D. Hannah, D. Harpold, A. Haun, S. Heal, K. Helfricht, K. Herrnegger, M. Hipsey, M. Hlaváčiková, H. Hohmann, C. Holko, L. Hopkinson, C. Hrachowitz, M. Illangasekare, T. H. Inam, A. Innocente, C. Istanbulluoglu, E. Jarihani, B. Kalantari, Z. Kalvans, A. Khanal, S. Khatami, S. Kiesel, J. Kirkby, M. Knoben, W. Kochanek, K. Kohnová, S. Kolechkina, A. Krause, S. Kreamer, D. Kreibich, H. Kunstmann, H. Lange, H. Liberato, M. L. R. Lindquist, E. Link, T. Liu, J. Loucks, D. P. Luce, C. Mahé, G. Makarieva, O. Malard, J. Mashtayeva, S. Maskey, S. Mas-Pla, J. Mavrova-Guirguinova, M. Mazzoleni, M. Mernild, S. Misstear, B. D. Montanari, A. Müller-Thomy, H. Nabizadeh, A. Nardi, F. Neale, C. Nesterova, N. Nurtaev, B. Odongo, V. O. Panda, S. Pande, S. Pang, Z. Papacharalampous, G. Perrin, C. Pfister, L. Pimentel, R. Polo, M. J. Post, D. Prieto Sierra, C. Ramos, M. H. Renner, M. Reynolds, J. E. Ridolfi, E. Rigon, R. Riva, M. Robertson, D. E. Rosso, R.

Abstract

This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come.

Published
2019
Full Text
View/download PDF

8. Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Author

Blöschl, G., Bierkens, M.F.P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J.W., McDonnell, J.J., Savenije, H.H.G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S.T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S.K., Baker, V., Bardsley, E., Barendrecht, M.H., Bartosova, A., Batelaan, O., Berghuijs, W.R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M.E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M.P., Collins, A.L., Croke, B., Dathe, A., David, P.C., de Barros, F.P.J., de Rooij, G., Di Baldassarre, G., Driscoll, J.M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W.H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M.P., Grimaldi, S., Gupta, A.B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T.H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M.L.R., Lindquist, E., Link, T., Liu, J., Loucks, D.P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B.D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V.O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M.J., Post, D., Prieto Sierra, C., Ramos, M.-H., Renner, M., Reynolds, J.E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D.E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R.C., Skaugen, T., Smith, H., Spiessl, S.M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R.J., van der Ploeg, M., Van Loon, A.F., van Meerveld, I., van Nooijen, R., van Oel, P.R., Vidal, J.-P., von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A.J., Ward, P., Westerberg, I.K., White, C., Wood, E.F., Woods, R., Xu, Z., Yilmaz, K.K., Zhang, Y., Blöschl, G., Bierkens, M.F.P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J.W., McDonnell, J.J., Savenije, H.H.G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S.T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S.K., Baker, V., Bardsley, E., Barendrecht, M.H., Bartosova, A., Batelaan, O., Berghuijs, W.R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M.E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M.P., Collins, A.L., Croke, B., Dathe, A., David, P.C., de Barros, F.P.J., de Rooij, G., Di Baldassarre, G., Driscoll, J.M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W.H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M.P., Grimaldi, S., Gupta, A.B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T.H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M.L.R., Lindquist, E., Link, T., Liu, J., Loucks, D.P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B.D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V.O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M.J., Post, D., Prieto Sierra, C., Ramos, M.-H., Renner, M., Reynolds, J.E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D.E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R.C., Skaugen, T., Smith, H., Spiessl, S.M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R.J., van der Ploeg, M., Van Loon, A.F., van Meerveld, I., van Nooijen, R., van Oel, P.R., Vidal, J.-P., von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A.J., Ward, P., Westerberg, I.K., White, C., Wood, E.F., Woods, R., Xu, Z., Yilmaz, K.K., and Zhang, Y.

Abstract

This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Published
2019

9. Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Author

Blöschl, G., Bierkens, M.F.P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J.W., McDonnell, J.J., Savenije, H.H.G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S.T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S.K., Baker, V., Bardsley, E., Barendrecht, M.H., Bartosova, A., Batelaan, O., Berghuijs, W.R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M.E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M.P., Collins, A.L., Croke, B., Dathe, A., David, P.C., de Barros, F.P.J., de Rooij, G., Di Baldassarre, G., Driscoll, J.M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W.H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M.P., Grimaldi, S., Gupta, A.B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T.H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M.L.R., Lindquist, E., Link, T., Liu, J., Loucks, D.P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B.D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V.O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M.J., Post, D., Prieto Sierra, C., Ramos, M.-H., Renner, M., Reynolds, J.E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D.E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R.C., Skaugen, T., Smith, H., Spiessl, S.M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R.J., van der Ploeg, M., Van Loon, A.F., van Meerveld, I., van Nooijen, R., van Oel, P.R., Vidal, J.-P., von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A.J., Ward, P., Westerberg, I.K., White, C., Wood, E.F., Woods, R., Xu, Z., Yilmaz, K.K., Zhang, Y., Blöschl, G., Bierkens, M.F.P., Chambel, A., Cudennec, C., Destouni, G., Fiori, A., Kirchner, J.W., McDonnell, J.J., Savenije, H.H.G., Sivapalan, M., Stumpp, C., Toth, E., Volpi, E., Carr, G., Lupton, C., Salinas, J., Széles, B., Viglione, A., Aksoy, H., Allen, S.T., Amin, A., Andréassian, V., Arheimer, B., Aryal, S.K., Baker, V., Bardsley, E., Barendrecht, M.H., Bartosova, A., Batelaan, O., Berghuijs, W.R., Beven, K., Blume, T., Bogaard, T., Borges de Amorim, P., Böttcher, M.E., Boulet, G., Breinl, K., Brilly, M., Brocca, L., Buytaert, W., Castellarin, A., Castelletti, A., Chen, X., Chen, Y., Chifflard, P., Claps, P., Clark, M.P., Collins, A.L., Croke, B., Dathe, A., David, P.C., de Barros, F.P.J., de Rooij, G., Di Baldassarre, G., Driscoll, J.M., Duethmann, D., Dwivedi, R., Eris, E., Farmer, W.H., Feiccabrino, J., Ferguson, G., Ferrari, E., Ferraris, S., Fersch, B., Finger, D., Foglia, L., Fowler, K., Gartsman, B., Gascoin, S., Gaume, E., Gelfan, A., Geris, J., Gharari, S., Gleeson, T., Glendell, M., Gonzalez Bevacqua, A., González-Dugo, M.P., Grimaldi, S., Gupta, A.B., Guse, B., Han, D., Hannah, D., Harpold, A., Haun, S., Heal, K., Helfricht, K., Herrnegger, M., Hipsey, M., Hlaváčiková, H., Hohmann, C., Holko, L., Hopkinson, C., Hrachowitz, M., Illangasekare, T.H., Inam, A., Innocente, C., Istanbulluoglu, E., Jarihani, B., Kalantari, Z., Kalvans, A., Khanal, S., Khatami, S., Kiesel, J., Kirkby, M., Knoben, W., Kochanek, K., Kohnová, S., Kolechkina, A., Krause, S., Kreamer, D., Kreibich, H., Kunstmann, H., Lange, H., Liberato, M.L.R., Lindquist, E., Link, T., Liu, J., Loucks, D.P., Luce, C., Mahé, G., Makarieva, O., Malard, J., Mashtayeva, S., Maskey, S., Mas-Pla, J., Mavrova-Guirguinova, M., Mazzoleni, M., Mernild, S., Misstear, B.D., Montanari, A., Müller-Thomy, H., Nabizadeh, A., Nardi, F., Neale, C., Nesterova, N., Nurtaev, B., Odongo, V.O., Panda, S., Pande, S., Pang, Z., Papacharalampous, G., Perrin, C., Pfister, L., Pimentel, R., Polo, M.J., Post, D., Prieto Sierra, C., Ramos, M.-H., Renner, M., Reynolds, J.E., Ridolfi, E., Rigon, R., Riva, M., Robertson, D.E., Rosso, R., Roy, T., Sá, J.H.M., Salvadori, G., Sandells, M., Schaefli, B., Schumann, A., Scolobig, A., Seibert, J., Servat, E., Shafiei, M., Sharma, A., Sidibe, M., Sidle, R.C., Skaugen, T., Smith, H., Spiessl, S.M., Stein, L., Steinsland, I., Strasser, U., Su, B., Szolgay, J., Tarboton, D., Tauro, F., Thirel, G., Tian, F., Tong, R., Tussupova, K., Tyralis, H., Uijlenhoet, R., van Beek, R., van der Ent, R.J., van der Ploeg, M., Van Loon, A.F., van Meerveld, I., van Nooijen, R., van Oel, P.R., Vidal, J.-P., von Freyberg, J., Vorogushyn, S., Wachniew, P., Wade, A.J., Ward, P., Westerberg, I.K., White, C., Wood, E.F., Woods, R., Xu, Z., Yilmaz, K.K., and Zhang, Y.

Abstract

This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

Published
2019

10. Analysing spatio-temporal process and parameter dynamics in models to characterise contrasting catchments

Author

Guse, B., Pfannerstill, M., Kiesel, J., Strauch, Michael, Volk, Martin, Fohrer, N., Guse, B., Pfannerstill, M., Kiesel, J., Strauch, Michael, Volk, Martin, and Fohrer, N.

Abstract

The relevance of hydrological processes varies in space and time resulting in typical temporal patterns for catchments. Contrasting catchments moreover differ in their catchment metrics. Hydrological models claim to be able to reproduce typical temporal patterns of dominant processes using site-specific model parameters. Thus, patterns of temporal dynamics in dominant modelled processes and their corresponding dominant parameters are a fingerprint of how a model represents the hydrological behaviour of a catchment and how these process patterns vary between contrasting catchments.In this study, we demonstrate how catchment metrics, modelled processes and parameter dominances can be jointly used to characterise catchments. We assess how catchment characteristics are represented in spatio-temporal process dynamics in models and how to understand the reasons for hydrological (dis)similarity among catchments along a landscape gradient. For this purpose, catchment metrics which characterise contrasting landscapes (lowland, mid-range mountain and alpine catchments) are related to dominant processes and parameters which were provided by a temporally resolved sensitivity analysis (TEDPAS) and simulations of a hydrological model.Our study shows that the applied model is able to represent the different processes and their seasonal variability according to the specific hydrological conditions of the study catchments. By analysing catchment metrics, modelled processes and model parameters jointly, we show that the largest differences are identified for the alpine catchment, whilst similarities are found among the other catchments. Following a landscape gradient, high flow phases are dominated by different flow components. In contrast, the model shows groundwater dominance in low flow phases in non-alpine catchments while in the alpine catchment low flows in winter are mainly controlled by snow processes. The joint analysis of catchment metrics, temporal dynamics of dominant pro

Published
2019

11. Twenty-three unsolved problems in hydrology (UPH)–a community perspective

Author

Blöschl, G. Bierkens, M. F. P. Chambel, A. Cudennec, C. Destouni, G. Fiori, A. Kirchner, J. W. McDonnell, J. J. Savenije, H. H. G. Sivapalan, M. Stumpp, C. Toth, E. Volpi, E. Carr, G. Lupton, C. Salinas, J. Széles, B. Viglione, A. Aksoy, H. Allen, S. T. Amin, A. Andréassian, V. Arheimer, B. Aryal, S. K. Baker, V. Bardsley, E. Barendrecht, M. H. Bartosova, A. Batelaan, O. Berghuijs, W. R. Beven, K. Blume, T. Bogaard, T. Borges de Amorim, P. Böttcher, M. E. Boulet, G. Breinl, K. Brilly, M. Brocca, L. Buytaert, W. Castellarin, A. Castelletti, A. Chen, X. Chen, Y. Chen, Y. Chifflard, P. Claps, P. Clark, M. P. Collins, A. L. Croke, B. Dathe, A. David, P. C. de Barros, F. P. J. de Rooij, G. Di Baldassarre, G. Driscoll, J. M. Duethmann, D. Dwivedi, R. Eris, E. Farmer, W. H. Feiccabrino, J. Ferguson, G. Ferrari, E. Ferraris, S. Fersch, B. Finger, D. Foglia, L. Fowler, K. Gartsman, B. Gascoin, S. Gaume, E. Gelfan, A. Geris, J. Gharari, S. Gleeson, T. Glendell, M. Gonzalez Bevacqua, A. González-Dugo, M. P. Grimaldi, S. Gupta, A. B. Guse, B. Han, D. Hannah, D. Harpold, A. Haun, S. Heal, K. Helfricht, K. Herrnegger, M. Hipsey, M. Hlaváčiková, H. Hohmann, C. Holko, L. Hopkinson, C. Hrachowitz, M. Illangasekare, T. H. Inam, A. Innocente, C. Istanbulluoglu, E. Jarihani, B. Kalantari, Z. Kalvans, A. Khanal, S. Khatami, S. Kiesel, J. Kirkby, M. Knoben, W. Kochanek, K. Kohnová, S. Kolechkina, A. Krause, S. Kreamer, D. Kreibich, H. Kunstmann, H. Lange, H. Liberato, M. L. R. Lindquist, E. Link, T. Liu, J. Loucks, D. P. Luce, C. Mahé, G. Makarieva, O. Malard, J. Mashtayeva, S. Maskey, S. Mas-Pla, J. Mavrova-Guirguinova, M. Mazzoleni, M. Mernild, S. Misstear, B. D. Montanari, A. Müller-Thomy, H. Nabizadeh, A. Nardi, F. Neale, C. Nesterova, N. Nurtaev, B. Odongo, V. O. Panda, S. Pande, S. Pang, Z. Papacharalampous, G. Perrin, C. Pfister, L. Pimentel, R. Polo, M. J. Post, D. Prieto Sierra, C. Ramos, M. H. Renner, M. Reynolds, J. E. Ridolfi, E. Rigon, R. Riva, M. Robertson, D. E. Rosso, R. and Blöschl, G. Bierkens, M. F. P. Chambel, A. Cudennec, C. Destouni, G. Fiori, A. Kirchner, J. W. McDonnell, J. J. Savenije, H. H. G. Sivapalan, M. Stumpp, C. Toth, E. Volpi, E. Carr, G. Lupton, C. Salinas, J. Széles, B. Viglione, A. Aksoy, H. Allen, S. T. Amin, A. Andréassian, V. Arheimer, B. Aryal, S. K. Baker, V. Bardsley, E. Barendrecht, M. H. Bartosova, A. Batelaan, O. Berghuijs, W. R. Beven, K. Blume, T. Bogaard, T. Borges de Amorim, P. Böttcher, M. E. Boulet, G. Breinl, K. Brilly, M. Brocca, L. Buytaert, W. Castellarin, A. Castelletti, A. Chen, X. Chen, Y. Chen, Y. Chifflard, P. Claps, P. Clark, M. P. Collins, A. L. Croke, B. Dathe, A. David, P. C. de Barros, F. P. J. de Rooij, G. Di Baldassarre, G. Driscoll, J. M. Duethmann, D. Dwivedi, R. Eris, E. Farmer, W. H. Feiccabrino, J. Ferguson, G. Ferrari, E. Ferraris, S. Fersch, B. Finger, D. Foglia, L. Fowler, K. Gartsman, B. Gascoin, S. Gaume, E. Gelfan, A. Geris, J. Gharari, S. Gleeson, T. Glendell, M. Gonzalez Bevacqua, A. González-Dugo, M. P. Grimaldi, S. Gupta, A. B. Guse, B. Han, D. Hannah, D. Harpold, A. Haun, S. Heal, K. Helfricht, K. Herrnegger, M. Hipsey, M. Hlaváčiková, H. Hohmann, C. Holko, L. Hopkinson, C. Hrachowitz, M. Illangasekare, T. H. Inam, A. Innocente, C. Istanbulluoglu, E. Jarihani, B. Kalantari, Z. Kalvans, A. Khanal, S. Khatami, S. Kiesel, J. Kirkby, M. Knoben, W. Kochanek, K. Kohnová, S. Kolechkina, A. Krause, S. Kreamer, D. Kreibich, H. Kunstmann, H. Lange, H. Liberato, M. L. R. Lindquist, E. Link, T. Liu, J. Loucks, D. P. Luce, C. Mahé, G. Makarieva, O. Malard, J. Mashtayeva, S. Maskey, S. Mas-Pla, J. Mavrova-Guirguinova, M. Mazzoleni, M. Mernild, S. Misstear, B. D. Montanari, A. Müller-Thomy, H. Nabizadeh, A. Nardi, F. Neale, C. Nesterova, N. Nurtaev, B. Odongo, V. O. Panda, S. Pande, S. Pang, Z. Papacharalampous, G. Perrin, C. Pfister, L. Pimentel, R. Polo, M. J. Post, D. Prieto Sierra, C. Ramos, M. H. Renner, M. Reynolds, J. E. Ridolfi, E. Rigon, R. Riva, M. Robertson, D. E. Rosso, R.

Abstract

This paper is the outcome of a community initiative to identify major unsolved scientific problems in hydrology motivated by a need for stronger harmonisation of research efforts. The procedure involved a public consultation through online media, followed by two workshops through which a large number of potential science questions were collated, prioritised, and synthesised. In spite of the diversity of the participants (230 scientists in total), the process revealed much about community priorities and the state of our science: a preference for continuity in research questions rather than radical departures or redirections from past and current work. Questions remain focused on the process-based understanding of hydrological variability and causality at all space and time scales. Increased attention to environmental change drives a new emphasis on understanding how change propagates across interfaces within the hydrological system and across disciplinary boundaries. In particular, the expansion of the human footprint raises a new set of questions related to human interactions with nature and water cycle feedbacks in the context of complex water management problems. We hope that this reflection and synthesis of the 23 unsolved problems in hydrology will help guide research efforts for some years to come.

Published
2019
Full Text
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12. WASP: Web Archiving and Search Personalized

Author

Alonso, O., Kiesel, J., Vries, A.P. de, Hagen, M., Stein, B., Potthast, M., Alonso, O., Kiesel, J., Vries, A.P. de, Hagen, M., Stein, B., and Potthast, M.

Abstract

DESIRES 2018: Design of Experimental Search & Information Retrieval Systems, Contains fulltext : 197597.pdf (publisher's version ) (Open Access)

Published
2018

13. WASP: Web Archiving and Search Personalized

Author

Alonso, O., Kiesel, J., Vries, A.P. de, Hagen, M., Stein, B., Potthast, M., Alonso, O., Kiesel, J., Vries, A.P. de, Hagen, M., Stein, B., and Potthast, M.

Abstract

DESIRES 2018: Design of Experimental Search & Information Retrieval Systems, Contains fulltext : 197597.pdf (publisher's version ) (Open Access)

Published
2018

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