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1. Hydrology in a changing world : environmental and human dimensions

Author

Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
FLUX, REGIME HYDROLOGIQUE, SECHERESSE, VARIATION, EROSION, VARIABILITE, HYDROLOGIE, GESTION DE L'EAU, ETUDE REGIONALE, ZONE COTIERE, BASE DE DONNEES, ENVIRONNEMENT, RESSOURCES EN EAU, FACTEUR ANTHROPIQUE, POLITIQUE DE L'EAU, INONDATION, BASSIN VERSANT, MODELE HYDROLOGIQUE, COURS D'EAU, FACTEUR CLIMATIQUE, CHANGEMENT CLIMATIQUE, SEDIMENTATION FLUVIATILE, TRANSPORT SOLIDE, ECOLOGIE
Published
2014

2. Projected climate change impacts on water resources in northern Morocco with an ensemble of regional climate models

Author

Tramblay, Yves, Ruelland, D., Bouaicha, R., Servat, Eric, Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
climate variability, EAU DE SURFACE, VARIABILITE, climate downscaling, RESSOURCES EN EAU, hydrological modelling, REGION, BASSIN VERSANT, MODELE HYDROLOGIQUE, Morocco, EVALUATION, FACTEUR CLIMATIQUE, PRECIPITATION, BARRAGE, CHANGEMENT CLIMATIQUE, SIMULATION, CALIBRAGE, MODELE CLIMATIQUE, MODELE GR4J, RESERVOIR, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, TEMPERATURE, METHODOLOGIE, PENURIE
Abstract

International audience; The Mediterranean region is considered as a hot spot of climate change, where precipitation islikely to decrease with the rise of temperature. These changes could have a strong effect in north Africa andnotably in Morocco where the agricultural sector is of high importance and very dependent on surface waterresources. Therefore, there is a need to quantify the possible climate change impacts on water resources ofthis region. The most common approach to conduct hydrological impact studies of climate change is to runhydrological models with climate scenarios, usually provided by climate model outputs downscaled to thecatchment of interest. In the present study an ensemble of six regional climate model (RCM) simulationsfrom the European project ENSEMBLES at a 25 km resolution is considered to evaluate the climate changeimpacts on the inflows of the sixth largest dam located in northern Morocco. A quantile perturbation methodis used to generate future temperature and precipitation series under the emission scenario A1B. The GR4Jhydrological model is first calibrated on different climatic conditions to assess the temporal transferability ofits parameters and then run with the perturbed temperature and precipitation series. The ensemble approachallows the projection uncertainties to be evaluated from the spread in the individual RCM simulations. AllRCM simulations project a decrease in surface water resources during the extended winter season(November to May), from –9% to –54% depending on the model.

Published
2014

3. Etude géochimique et isotopique d'un aquifère phréatique côtier anthropisé : nappe de Oussja-Ghar El Melah (Tunisie)

Author

Ben Ammar, S., Taupin, Jean-Denis, Zouari, K., Khouatmia, M., Ben Assi, M., Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
isotopes de l’eau, NAPPE PHREATIQUE, QUALITE DE L'EAU, PIEZOMETRIE, Tunisie, RUISSELLEMENT, HYDROGEOCHIMIE, DATATION DE L'EAU, IRRIGATION, AQUIFERE, TRITIUM, EAU SOUTERRAINE, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, SALINISATION, hydrogéochimie, aquifère côtier, ZONE COTIERE, COURS D'EAU, ANTHROPISATION, INFILTRATION, GEOCHIMIE, âge de l’eau, PRECIPITATION, ISOTOPE, POLLUTION DES EAUX CONTINENTALES, NITRATE, salinisation
Abstract

International audience; L’aquifère de la plaine de Oussja-Ghar El Melah en Tunisie (P = 500 mm/an), est constitué d’une cuvette côtière fluviatile Plio-Quaternaire, enserrée entre montagnes, zone marécageuse et mer. Durant les dernières décennies, urbanisation et activités agricoles se sont intensifiées, induisant une baisse de la piézométrie, processus amplifié par les années sèches, et une détérioration de la qualité de l’eau. Les premiers résultats chimique et isotopique (18O, 2H, 3H) des eaux ont montré une hétérogénéité des faciès salins ainsi que différentes origines possibles dans l’acquisition de la minéralisation. La dégradation de la qualité des eaux est plus importante dans les zones les plus irriguées marquées par de fortes teneurs en nitrates. Les teneurs en tritium montrent un renouvellement récent des eaux différenciant deux modes de recharge, rapide liée à l’infiltration des eaux d’irrigation et des eaux de ruissellement au niveau des rivières et plus diffuse constituée par l’infiltration directe des précipitations.

Published
2014

4. Hydrology in a changing world : environmental and human dimensions

Author

Paturel, Jean-Emmanuel, Zorom, M., Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
1950 2006, DONNEES, SERIE CHRONOLOGIQUE, METEOROLOGIE, EVOLUTION, BASSIN VERSANT, CLIMAT, PLUIE, PRECIPITATION, CHANGEMENT CLIMATIQUE, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, TEMPERATURE, VARIATION JOURNALIERE, ComputingMilieux_MISCELLANEOUS, ANALYSE STATISTIQUE
Abstract

International audience

Published
2014

5. Hydrology in a changing world : environmental and human dimensions

Author

Salles, Christian, Chu, Yin, Perrin, Jean Louis, Tournoud, Marie-George, Boudet, L., Cres, François-Noël, Rodier, C., Zheng, S., Huang, L., Ma, Y., Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Anhui University [Hefei], Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
REGIME HYDROLOGIQUE, DEVELOPPEMENT ECONOMIQUE, rainfall, DUREE, MODELE HYDROLOGIQUE, flood duration frequency, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, TEMPERATURE, FREQUENCE, LAC, land use and climate changes, EVAPOTRANSPIRATION, MODELE MERCEDES, ETUDE REGIONALE, downscaling, DEBIT, PRATIQUE CULTURALE, INONDATION, BASSIN VERSANT, COURS D'EAU, ANALYSE, PRECIPITATION, CHANGEMENT CLIMATIQUE, SIMULATION, CRUE, UTILISATION DU SOL, METHODOLOGIE, VARIATION JOURNALIERE
Abstract

International audience; The Chao Lake, located in the Yangtze basin, is the fifth largest freshwater lake in China. The lake catchment (9130 km2 ) includes the city of Hefei (3.5 million inhabitants) and a large extent of paddy fields and rural areas. The Fengle River is a tributary of the Chao Lake. It is currently subject to flood risks and inundation issues. Many changes are expected in land use and agricultural practices in the future, due to the tourist appeal of the Chao Lake shore and the fast expansion of the city of Hefei. Climate changes are also expected in this region, with a high impact on the rainfall regime. The consequences of all these changes on flood occurrence and magnitude are a major issue for the economic development of the area and tools are needed to carry out such an analysis. Here, a methodology is proposed for investigating the potential impact of rainfall regime change on flood duration and frequencies in the future. The methodology consists of three steps: first from a literature review scenarios of changes in precipitation are identified and used to build future series of daily rainfall; secondly, future daily discharges are simulated using a distributed hydrological model (MERCEDES) previously calibrated on current rainfall–discharge data; finally the current vs future discharge dynamics are characterized in terms of flood frequencies from discharge–duration–frequency curves. The methodology is implemented on the Fengle River, for which 20 years of daily discharges (Taoxi station), daily rainfall (eight stations), temperature and evapotranspiration (Hefei weather station) are available.

Published
2014

6. Hydrology in a changing world : environmental and human dimensions

Author

Hublart, P., Denis Ruelland, Alain Dezetter, Hervé Jourde, Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
BESOIN EN EAU, AGRICULTURE, Cours d'eau, Culture, FONTE DE LA NEIGE, Variabilité, RESSOURCES EN EAU, CULTURE, EVALUATION, Bassin versant, IRRIGATION, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, Evaluation, Irrigation, Ressources en eau, ComputingMilieux_MISCELLANEOUS, Changement climatique, EAU DE SURFACE, Viticulture, EVAPOTRANSPIRATION, Evapotranspiration, VARIABILITE, Climat, Pénurie, Agriculture, MODELISATION, Fonte de la neige, BASSIN VERSANT, COURS D'EAU, Zone de montagne, CLIMAT, VITICULTURE, Modélisation, ESTIMATION, CHANGEMENT CLIMATIQUE, Besoin en eau, Eau de surface, ZONE DE MONTAGNE, Estimation, PENURIE
Abstract

International audience

Published
2014

7. Hydrology in a changing world : environmental and human dimensions

Author

Dezetter, Alain, Fabre, J., Ruelland, D., Servat, Eric, Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
BASSIN VERSANT, MODELE HYDROLOGIQUE, CLIMAT, EVALUATION, PRECIPITATION, PLUIE, DONNEES, MODELE GR4J, RESSOURCES EN EAU, TEMPERATURE, METHODOLOGIE, DEBIT
Published
2014

8. Over 25 years of FRIEND-Water : an overview

Author

Henny van Lanen, Demuth, S., Daniell, T., Hannah, D. M., Laaha, G., Mahe, G., Tallaksen, L. M., Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), Ruelland, D. (co-ed.), Hydrosciences Montpellier (HSM), and Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
REGIME HYDROLOGIQUE, Écoulement, PROGRAMME DE RECHERCHE, RESSOURCES EN EAU, Formation professionnelle, FORMATION PROFESSIONNELLE, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, ECOULEMENT, Ressources en eau, ComputingMilieux_MISCELLANEOUS, Hydrologie, Vulgarisation, Programme de recherche, Coopération internationale, HYDROLOGIE, GESTION DE L'EAU, ETUDE REGIONALE, Methodologie, BASE DE DONNEES, Etude régionale, VULGARISATION, COOPERATION INTERNATIONALE, Gestion de l'eau, Base de données, Régime hydrologique, METHODOLOGIE
Abstract

International audience

Published
2014

9. Hydrology in a changing world : environmental and human dimensions

Author

Tellro Waï, N., Ngounou Ngatcha, B., Mahé, Gil, Doumnang, J.C., Delclaux, François, Goundoul, N., Genthon, Pierre, Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
1960 2000, REGIME HYDROLOGIQUE, COURS D'EAU, AMENAGEMENT HYDRAULIQUE, UTILISATION DE L'EAU, RESSOURCES EN EAU, EXPLOITATION DES RESSOURCES NATURELLES, FACTEUR ANTHROPIQUE
Published
2014

10. Hydrology in a changing world : environmental and human dimensions

Author

Liénou, G., Mahé, Gil, Piih, S.L., Sighomnou, D., Paturel, Jean-Emmanuel, Bamba, F., Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
BASSIN VERSANT, SECHERESSE, COURS D'EAU, AMENAGEMENT HYDRAULIQUE, BARRAGE, CHANGEMENT CLIMATIQUE, HISTOIRE, INVENTAIRE, RESSOURCES EN EAU, REPARTITION GEOGRAPHIQUE, ANALYSE STATISTIQUE
Published
2014

11. Hydrology in a changing world : environmental and human dimensions

Author

Luu Thi Nguyet Minh, Didier Orange, Tran Hong Thai, Garnier, Josette, Le Lan Anh, Trinh Anh Duc, Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
REGIME HYDROLOGIQUE, EAU DE SURFACE, COURS D'EAU, DELTA, INVERSION, CYCLE, ECOULEMENT, EAU SOUTERRAINE, POLLUTION DES EAUX CONTINENTALES, VARIATION JOURNALIERE, MAREE
Published
2014

12. Hydrology in a changing world : environmental and human dimensions

Author

Mouche, E., Moussu, F., Mügler, C., Ribolzi, O., Valentin, C., Sengtahevanghoung, O., Guillaume Lacombe, Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Modélisation Hydrologique (HYDRO), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Géosciences Environnement Toulouse (GET), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Biogéochimie et écologie des milieux continentaux (Bioemco), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), International Water Management Institute, International Water Management Institute, Vientiane, Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Observatoire Midi-Pyrénées (OMP), Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Météo France-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut National de la Recherche Agronomique (INRA)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AgroParisTech-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, REGIME HYDROLOGIQUE, FORET, COUVERT VEGETAL, MODELE GR2M, FACTEUR ANTHROPIQUE, DEBIT, BASSIN VERSANT, MODELE HYDROLOGIQUE, COURS D'EAU, PLUIE, MODELE GR4J, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, UTILISATION DU SOL, METHODOLOGIE
Abstract

International audience; We investigated the impact of land-use change on the hydrology of different major Lao tributary watersheds of Mekong River. The region is the North of Laos centred on Luang Prabang and the watersheds are the Nam Khan, Nam Ou, Nam Suong, Nam Lik and Nam Ngum. An additional small agricultural catchment called Houay Pano close to the Nam Khan, is also considered. We used the lumped rainfall–-runoff conceptual models GR4J and GR2M, developed by Irstea in France, the Mekong River Commission hydro-meteorological database and the Japanese Aphrodite meteorological database. The objective was to detect in the hydrological regime of the watersheds an impact of de(re)forestation, processes known to have occurred since the 1980s, but at a degree which has not been quantified. For this purpose we adopted the cross simulation methodology developed by Irstea which has proved to be efficient to detect trends in long term watershed hydrology. The results did not show any significant hydrological change since 1960. On the other hand the application of the same methodology to the small catchment Houay Pano surveyed since 2001 proved to be convincing. We saw evidence of the impact of slash and burn practice, followed by a long fallow period, on a catchment's hydrology over a seven year period.

Published
2014

13. Lessons from long-term monitoring of soil erosion in three southeast Asian agricultural catchments undergoing rapid land-use changes

Author

Valentin, C., Boonsaner, A., Janeau, J. L., Pascal Jouquet, Des Tureaux, T. H., Huon, S., Latsachack, K., Le Troquer, Y., Maeght, J. L., Orange, D., Rinh, P. D., Pierret, A., Podwojewski, P., Ribolzi, O., Rouw, A., Sengtaheuanghoung, O., Silvera, N., Robain, H., Soulileuth, B., Thothong, W., Duc Toan, T., Hai, T. S., Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
CONSERVATION DU SOL, GESTION, CULTURE ITINERANTE, SYSTEME DE CULTURE, RIZ PLUVIAL, FACTEUR ANTHROPIQUE, RUISSELLEMENT, PRATIQUE CULTURALE, ARBRE FORESTIER, BASSIN VERSANT, MAIS, ERODIBILITE DU SOL, LUTTE ANTIEROSIVE, OBSERVATOIRE, PENTE, MANIOC, FOURRAGE, EROSION HYDRIQUE, TECK, UTILISATION DU SOL

14. Study of the relationship between sediment transport and rainfall extremes in the watershed of the Wadi Mina (northwest Algeria)

Author

Hallouz, F., Meddi, M., Gil MAHE, Ecole Nationale Superieure d'Hydraulique [Blida, Algérie], Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
BASSIN VERSANT, ENVASEMENT, FACTEUR CLIMATIQUE, PRECIPITATION, BARRAGE, DEGRADATION DU SOL, EROSION HYDRIQUE, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology, TRANSPORT SOLIDE, SEDIMENT, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

15. Architecture of environmental information systems applied to scientific observatories: Examples of Carnoules and MEDYCYSS observatories

Author

Boyer, J. F., Servat, E., Casiot, C., Hervé JOURDE, Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
SYSTEME D'INFORMATION ENVIRONNEMENTALE, EAU, SYSTEME D'INFORMATION GEOGRAPHIQUE, OBSERVATOIRE, METADONNEES, NORMALISATION, BASE DE DONNEES, ENVIRONNEMENT, METHODOLOGIE

16. Hydrology in a changing world : environmental and human dimensions

Author

Grouillet, B., Fabre, J., Ruelland, D., Lila Collet, Boyer, J. -F, Hydrosciences Montpellier (HSM), Institut national des sciences de l'Univers (INSU - CNRS)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Daniell, T.M. (ed.), Van Lanen, H.A.J. (co-ed.), Demuth, S. (co-ed.), Laaha, G. (co-ed.), Servat, Eric (co-ed.), Mahé, Gil (co-ed.), Boyer, Jean-François (co-ed.), Paturel, Jean-Emmanuel (co-ed.), Dezetter, Alain (co-ed.), and Ruelland, D. (co-ed.)

Subjects
BESOIN EN EAU, AGRICULTURE, climate change impacts, River Ebro, CROISSANCE DEMOGRAPHIQUE, RESSOURCES EN EAU, MODELISATION, anthropogenic pressure, EVOLUTION, FACTEUR ANTHROPIQUE, BASSIN VERSANT, River Herault, EVALUATION, water demand, ESTIMATION, FACTEUR CLIMATIQUE, IRRIGATION, CHANGEMENT CLIMATIQUE, [SDU.STU.HY]Sciences of the Universe [physics]/Earth Sciences/Hydrology
Abstract

International audience; The Ebro (Spain) and the Herault (France) are contrasting catchments representative of the Mediterranean context. Simultaneous increases of population, irrigated areas and industrial development observed in the recent past associated with future climate change indicators shows the necessity of considering the capacity of these catchments to satisfy water demand. This evaluation requires knowledge of the spatiotemporal dynamics of water demands and their main drivers. This paper thus presents a conceptual modelling framework to estimate water demand and its evolution. The Ebro basin is dominated by agricultural water demand, which has been increasing, mostly due to the expansion of irrigated areas. In the Herault basin, domestic demand has greatly increased since the 1970s. Future water demand was assessed by the 2050 horizon under climatic and socio-economic scenarios. Results show that water demand should keep increasing notably for irrigation requirements. This work was a first step to analyse the capacity of each hydro-system to satisfy current and future water demands.

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