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8. The IAHS Science for Solutions decade, with Hydrology Engaging Local People IN a Global world (HELPING)

Author

Arheimer, Berit, Cudennec, Christophe, Castellarin, Attilio, Grimaldi, Salvatore, Heal, Kate, Lupton, Claire, Sarkar, Archana, Tian, Fuqiang, Archfield, Stacey, Blöschl, Günter, Borges Chaffe, Pedro, Croke, Barry, Dembélé, Moctar, Leong, Chris, Mijic, Ana, Mosquera, Giovanny, Nlend, Bertil, Olusola, Adeyemi, Polo, María, Sandells, Melody, Sheffield, Justin, van Hateren, Theresa, Shafiei, Mojtaba, Adla, Soham, Agarwal, Ankit, Aguilar, Cristina, Andersson, Jafet, Andraos, Cynthia, Andreu, Ana, Avanzi, Francesco, Bart, Ryan, Bartosova, Alena, Batelaan, Okke, Bennett, James, Bertola, Miriam, Bezak, Nejc, Boekee, Judith, Bogaard, Thom, Booij, Martijn, Brigode, Pierre, Buytaert, Wouter, Bziava, Konstantine, Castelli, Giulio, Castro, Cyndi, Ceperley, Natalie, Chidepudi, Sivarama, Chiew, Francis, Chun, Kwok, Dagnew, Addisu, Dekongmen, B., Del Jesus, Manuel, Dezetter, Alain, Do Nascimento Batista, José, Doble, Rebecca, Dogulu, Nilay, Eekhout, Joris, Elçi, Alper, Elenius, Maria, Finger, David, Fiori, Aldo, Fischer, Svenja, Förster, Kristian, Ganora, Daniele, Gargouri Ellouze, Emna, Ghoreishi, Mohammad, Harvey, Natasha, Hrachowitz, Markus, Jampani, Mahesh, Jaramillo, Fernando, Jongen, Harro, Kareem, Kola, Khan, Usman, Khatami, Sina, Kingston, Daniel, Koren, Gerbrand, Krause, Stefan, Kreibich, Heidi, Lerat, Julien, Liu, Junguo, Madruga de Brito, Mariana, Mahé, Gil, Makurira, Hodson, Mazzoglio, Paola, Merheb, Mohammad, Mishra, Ashish, Mohammad, Hiba, Montanari, Alberto, Mujere, Never, Nabavi, Ehsan, Nkwasa, Albert, Orduna Alegria, Maria, Orieschnig, Christina, Ovcharuk, Valeriya, Palmate, Santosh, Pande, Saket, Pandey, Shachi, Papacharalampous, Georgia, Pechlivanidis, Ilias, Penny, Gopal, Pimentel, Rafael, Post, David, Prieto, Cristina, Razavi, Saman, Salazar-Galán, Sergio, Sankaran Namboothiri, Adarsh, Santos, Pedro, Savenije, Hubert, Shanono, Nura, Sharma, Ashutosh, Sivapalan, Murugesu, Smagulov, Zhanibek, Szolgay, Jan, Teng, Jin, Teuling, Ryan, Teutschbein, Claudia, Tyralis, Hristos, van Griensven, Ann, van Schalkwyk, Andries, van Tiel, Marit, Viglione, Alberto, Volpi, Elena, Wagener, Thorsten, Wang-Erlandsson, Lan, Wens, Marthe, Xia, Jun, Arheimer, Berit, Cudennec, Christophe, Castellarin, Attilio, Grimaldi, Salvatore, Heal, Kate, Lupton, Claire, Sarkar, Archana, Tian, Fuqiang, Archfield, Stacey, Blöschl, Günter, Borges Chaffe, Pedro, Croke, Barry, Dembélé, Moctar, Leong, Chris, Mijic, Ana, Mosquera, Giovanny, Nlend, Bertil, Olusola, Adeyemi, Polo, María, Sandells, Melody, Sheffield, Justin, van Hateren, Theresa, Shafiei, Mojtaba, Adla, Soham, Agarwal, Ankit, Aguilar, Cristina, Andersson, Jafet, Andraos, Cynthia, Andreu, Ana, Avanzi, Francesco, Bart, Ryan, Bartosova, Alena, Batelaan, Okke, Bennett, James, Bertola, Miriam, Bezak, Nejc, Boekee, Judith, Bogaard, Thom, Booij, Martijn, Brigode, Pierre, Buytaert, Wouter, Bziava, Konstantine, Castelli, Giulio, Castro, Cyndi, Ceperley, Natalie, Chidepudi, Sivarama, Chiew, Francis, Chun, Kwok, Dagnew, Addisu, Dekongmen, B., Del Jesus, Manuel, Dezetter, Alain, Do Nascimento Batista, José, Doble, Rebecca, Dogulu, Nilay, Eekhout, Joris, Elçi, Alper, Elenius, Maria, Finger, David, Fiori, Aldo, Fischer, Svenja, Förster, Kristian, Ganora, Daniele, Gargouri Ellouze, Emna, Ghoreishi, Mohammad, Harvey, Natasha, Hrachowitz, Markus, Jampani, Mahesh, Jaramillo, Fernando, Jongen, Harro, Kareem, Kola, Khan, Usman, Khatami, Sina, Kingston, Daniel, Koren, Gerbrand, Krause, Stefan, Kreibich, Heidi, Lerat, Julien, Liu, Junguo, Madruga de Brito, Mariana, Mahé, Gil, Makurira, Hodson, Mazzoglio, Paola, Merheb, Mohammad, Mishra, Ashish, Mohammad, Hiba, Montanari, Alberto, Mujere, Never, Nabavi, Ehsan, Nkwasa, Albert, Orduna Alegria, Maria, Orieschnig, Christina, Ovcharuk, Valeriya, Palmate, Santosh, Pande, Saket, Pandey, Shachi, Papacharalampous, Georgia, Pechlivanidis, Ilias, Penny, Gopal, Pimentel, Rafael, Post, David, Prieto, Cristina, Razavi, Saman, Salazar-Galán, Sergio, Sankaran Namboothiri, Adarsh, Santos, Pedro, Savenije, Hubert, Shanono, Nura, Sharma, Ashutosh, Sivapalan, Murugesu, Smagulov, Zhanibek, Szolgay, Jan, Teng, Jin, Teuling, Ryan, Teutschbein, Claudia, Tyralis, Hristos, van Griensven, Ann, van Schalkwyk, Andries, van Tiel, Marit, Viglione, Alberto, Volpi, Elena, Wagener, Thorsten, Wang-Erlandsson, Lan, Wens, Marthe, and Xia, Jun

Abstract

The new scientific decade (2023-2032) of the International Association of Hydrological Sciences (IAHS) aims at searching for sustainable solutions to undesired water conditions - may it be too little, too much or too polluted. Many of the current issues originate from global change, while solutions to problems must embrace local understanding and context. The decade will explore the current water crises by searching for actionable knowledge within three themes: global and local interactions, sustainable solutions and innovative cross-cutting methods. We capitalise on previous IAHS Scientific Decades shaping a trilogy; from Hydrological Predictions (PUB) to Change and Interdisciplinarity (Panta Rhei) to Solutions (HELPING). The vision is to solve fundamental water-related environmental and societal problems by engaging with other disciplines and local stakeholders. The decade endorses mutual learning and co-creation to progress towards UN sustainable development goals. Hence, HELPING is a vehicle for putting science in action, driven by scientists working on local hydrology in coordination with local, regional, and global processes.

Published
2024

9. Fate and Transport Modelling for Evaluating Antibiotic Resistance in Aquatic Environments:Current Knowledge and Research Priorities

Author

Jampani, Mahesh, Mateo-Sagasta, Javier, Chandrasekar, Aparna, Fatta-Kassinos, Despo, Graham, David W., Gothwal, Ritu, Moodley, Arshnee, Chadag, Vishnumurthy Mohan, Wiberg, David, Langan, Simon, Jampani, Mahesh, Mateo-Sagasta, Javier, Chandrasekar, Aparna, Fatta-Kassinos, Despo, Graham, David W., Gothwal, Ritu, Moodley, Arshnee, Chadag, Vishnumurthy Mohan, Wiberg, David, and Langan, Simon

Abstract

Antibiotics have revolutionised medicine in the last century and enabled the prevention of bacterial infections that were previously deemed untreatable. However, in parallel, bacteria have increasingly developed resistance to antibiotics through various mechanisms. When resistant bacteria find their way into terrestrial and aquatic environments, animal and human exposures increase, e.g., via polluted soil, food, and water, and health risks multiply. Understanding the fate and transport of antibiotic resistant bacteria (ARB) and the transfer mechanisms of antibiotic resistance genes (ARGs) in aquatic environments is critical for evaluating and mitigating the risks of resistant-induced infections. The conceptual understanding of sources and pathways of antibiotics, ARB, and ARGs from society to the water environments is essential for setting the scene and developing an appropriate framework for modelling. Various factors and processes associated with hydrology, ecology, and climate change can significantly affect the fate and transport of ARB and ARGs in natural environments. This article reviews current knowledge, research gaps, and priorities for developing water quality models to assess the fate and transport of ARB and ARGs. The paper also provides inputs on future research needs, especially the need for new predictive models to guide risk assessment on AR transmission and spread in aquatic environments.

Published
2024

15. Integrated Evaluation of Wastewater Irrigation for Sustainable Agriculture and Groundwater Development

Author

Jampani, Mahesh, Liedl, Rudolf, Hülsmann, Stephan, Amerasinghe, Priyanie, Technische Universität Dresden, and United Nations University

Subjects
ddc:550, Spatio-temporal dynamics, hydrogeochemistry, land use change, peri-urban environment, management strategies
Abstract

Many agricultural landscapes in India are irrigated with wastewater, and it is a common livelihood practice particularly in urban and peri-urban areas. Farmers around urban agglomerations continuously depend on the wastewater released from nearby urban centres. While providing opportunities with respect to water and nutrient supply, irrigating with wastewater has adverse environmental impacts, particularly on the local aquifer systems. Therefore, addressing the wastewater irrigation influence on local aquifer systems is crucial for sustainable groundwater management. The present research demonstrates the impacts of wastewater irrigation, seasonality and spatio-temporal variations in the groundwater quality and its geochemical evolution and mixing processes in different land use and crop settings. The doctoral research aims at understanding the aquifer heterogeneity, land use conditions, groundwater dynamics and contaminant fate and transport in the long-term wastewater irrigation system to develop sustainable and suitable groundwater management strategies. The selected study watershed is located on the banks of Musi River in a peri-urban catchment of the Musi River basin in India. Statistical techniques, land use change modelling and solute flow and transport modelling tools are employed to identify and quantify the linkages between contaminants, agricultural use and environmental variables, particularly those characterizing the groundwater qualities. The research results suggest that concentrations of the major ionic substances increase after the monsoon season, especially in wastewater irrigated areas and the major polluted groundwaters to come from the wastewater irrigated parts of the watershed. Clusters of chemical variables identified indicate that groundwater pollution is highly impacted by mineral interactions and long-term wastewater irrigation. The groundwater geochemistry of the watershed is largely controlled by long-term wastewater irrigation, local rainfall patterns and water-rock interactions. The detected land use changes in the watershed indicate that, as a consequence of urban pressures, agricultural landscapes are being converted into built-up areas and, at the same time, former barren land is converted to agricultural plots. The mapped land use data are used in modelling the aquifer conditions and to observe the groundwater dynamics in the peri-urban environment. The study results provide the basis for sustainable agriculture and groundwater development using the efficient scenarios identified for wastewater irrigation management. The resulting strategies for integrated management of water and waste will contribute to the water security and achieve the respective Sustainable Development Goals (SDGs 2, 3, 6, 11 and 15).

Published
2019

16. Integrated Evaluation of Wastewater Irrigation for Sustainable Agriculture and Groundwater Development

Author

Liedl, Rudolf, Hülsmann, Stephan, Amerasinghe, Priyanie, Technische Universität Dresden, United Nations University, Jampani, Mahesh, Liedl, Rudolf, Hülsmann, Stephan, Amerasinghe, Priyanie, Technische Universität Dresden, United Nations University, and Jampani, Mahesh

Abstract

Many agricultural landscapes in India are irrigated with wastewater, and it is a common livelihood practice particularly in urban and peri-urban areas. Farmers around urban agglomerations continuously depend on the wastewater released from nearby urban centres. While providing opportunities with respect to water and nutrient supply, irrigating with wastewater has adverse environmental impacts, particularly on the local aquifer systems. Therefore, addressing the wastewater irrigation influence on local aquifer systems is crucial for sustainable groundwater management. The present research demonstrates the impacts of wastewater irrigation, seasonality and spatio-temporal variations in the groundwater quality and its geochemical evolution and mixing processes in different land use and crop settings. The doctoral research aims at understanding the aquifer heterogeneity, land use conditions, groundwater dynamics and contaminant fate and transport in the long-term wastewater irrigation system to develop sustainable and suitable groundwater management strategies. The selected study watershed is located on the banks of Musi River in a peri-urban catchment of the Musi River basin in India. Statistical techniques, land use change modelling and solute flow and transport modelling tools are employed to identify and quantify the linkages between contaminants, agricultural use and environmental variables, particularly those characterizing the groundwater qualities. The research results suggest that concentrations of the major ionic substances increase after the monsoon season, especially in wastewater irrigated areas and the major polluted groundwaters to come from the wastewater irrigated parts of the watershed. Clusters of chemical variables identified indicate that groundwater pollution is highly impacted by mineral interactions and long-term wastewater irrigation. The groundwater geochemistry of the watershed is largely controlled by long-term wastewater irrigation, local rai

Published
2019

20. Natural treatment system models for wastewater management: a study from Hyderabad, India.

Author

Sonkamble, Sahebrao, Wajihuddin, Md., Jampani, Mahesh, Sarah, S., Somvanshi, V. K., Ahmed, Shakeel, Amerasinghe, Priyanie, and Boisson, Alexandre

Subjects
SEWAGE purification, RURAL geography, POLLUTANTS, BIOLOGICAL nutrient removal, MICROORGANISMS, BEHAVIOR
Abstract

Wastewater generated on a global scale has become a significant source of water resources which necessitates appropriate management strategies. However, the complexities associated with wastewater are lack of economically viable treatment systems, especially in low- and middle-income countries. While many types of treatment systems are needed to serve the various local issues, we propose natural treatment systems (NTS) such as natural wetlands that are eco-friendly, costeffective, and can be jointly driven by public bodies and communities. In order for it to be part of wastewater management, this study explores the NTS potential for removal of pollutants, costeffectiveness, and reuse options for the 1.20 million m3/day of wastewater generated in Hyderabad, India. The pilot study includes hydro-geophysical characterization of natural wetland to determine pollutant removal efficiency and its effective utilization for treated wastewater in the peri-urban habitat. The results show the removal of organic content (76-78%), nutrients (77-97%), and microbes (99.5-99.9%) from the wetland-treated wastewater and its suitability for agriculture applications. Furthermore, the wetland efficiency integrated with engineered interventions led to the development of NTS models with different application scenarios: (i) constructed wetlands, (ii) minimized community wetlands, and (iii) single outlet system, suitable for urban, peri-urban and rural areas, respectively. [ABSTRACT FROM AUTHOR]

Published
2018
Full Text
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22. Conceptual model of flow and transport for a hard rock aquifer-Musi River microwatershed case study. Saph Pani Deliverable 3.2. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Ahmed, S., Alazard, M., Amerasinghe, Priyanie H., Boisson, A., Jampani, Mahesh, Pavelic, Paul, Sonkamble, S., Ahmed, S., Alazard, M., Amerasinghe, Priyanie H., Boisson, A., Jampani, Mahesh, Pavelic, Paul, and Sonkamble, S.

24. Report on case study assessment and feasibility studies. Saph Pani Deliverable 6. 2. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Amerasinghe, Priyanie H., Bouzit, M., Brunner, M., Essl, L., Jampani, Mahesh, Kimothi, C., Lakshmanan, E., Sidhu, J., Page, D., Sandhu, C., Starkl, M., Amerasinghe, Priyanie H., Bouzit, M., Brunner, M., Essl, L., Jampani, Mahesh, Kimothi, C., Lakshmanan, E., Sidhu, J., Page, D., Sandhu, C., and Starkl, M.

28. Report on initial sustainability assessment. Saph Pani Deliverable 6.1. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Amerasinghe, Priyanie H., Asolekar, Shyam R., Essl, L., Grischek, T., Gupta, P.K., Heinze, K, Jampani, Mahesh, Kimothi, C., Kumar, D., Lesch, M., Sandhu, C., Semwal, M., Singh, P.D.K., Starkl, M., Amerasinghe, Priyanie H., Asolekar, Shyam R., Essl, L., Grischek, T., Gupta, P.K., Heinze, K, Jampani, Mahesh, Kimothi, C., Kumar, D., Lesch, M., Sandhu, C., Semwal, M., Singh, P.D.K., and Starkl, M.

39. Conceptual model of flow and transport for a hard rock aquifer-Musi River microwatershed case study. Saph Pani Deliverable 3.2. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Ahmed, S., Alazard, M., Amerasinghe, Priyanie H., Boisson, A., Jampani, Mahesh, Pavelic, Paul, Sonkamble, S., Ahmed, S., Alazard, M., Amerasinghe, Priyanie H., Boisson, A., Jampani, Mahesh, Pavelic, Paul, and Sonkamble, S.

46. Report on initial sustainability assessment. Saph Pani Deliverable 6.1. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Amerasinghe, Priyanie H., Asolekar, Shyam R., Essl, L., Grischek, T., Gupta, P.K., Heinze, K, Jampani, Mahesh, Kimothi, C., Kumar, D., Lesch, M., Sandhu, C., Semwal, M., Singh, P.D.K., Starkl, M., Amerasinghe, Priyanie H., Asolekar, Shyam R., Essl, L., Grischek, T., Gupta, P.K., Heinze, K, Jampani, Mahesh, Kimothi, C., Kumar, D., Lesch, M., Sandhu, C., Semwal, M., Singh, P.D.K., and Starkl, M.

49. Report on case study assessment and feasibility studies. Saph Pani Deliverable 6. 2. [Project report of the Enhancement of Natural Water Systems and Treatment Methods for Safe and Sustainable Water Supply in India (Saph Pani)]

Author

Amerasinghe, Priyanie H., Bouzit, M., Brunner, M., Essl, L., Jampani, Mahesh, Kimothi, C., Lakshmanan, E., Sidhu, J., Page, D., Sandhu, C., Starkl, M., Amerasinghe, Priyanie H., Bouzit, M., Brunner, M., Essl, L., Jampani, Mahesh, Kimothi, C., Lakshmanan, E., Sidhu, J., Page, D., Sandhu, C., and Starkl, M.

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