Understanding Freshwater Quality Problems in a Changing World Edited by BERIT ARHEIMER Swedish Meteorologicaland Hydrological Institute (SMHI), Sweden Co-edited by ADRIAN COLLINS ADAS, Wolverhampton, UK VALENTINA KRYSANOVA Potsdam Institutefor Climate Impact Research, Germany ELANGO LAKSHMANAN Anna University, Chennai, India MICHEL MEYBECK Sisyphe, CNRS, Universite Pierre et Marie Curie, Paris, France MIKE STONE University of Waterloo, Ontario, Canada Proceedings of Symposium H04, organized by the International Commissions on Water Quality and on Continental Erosion of IAHS, and held in Gothenburg, Sweden, 22-26 July 2013 during the joint assembly of IAHS, IASPO and IASPEI. IAHS Publication 361 in the IAHS Series of Proceedings and Reports Contents Preface by Berit Arheimer, Adrian Collins, Valentino Krysanova, Elango Lakshmanan, v Michel Meybeck & Mike Stone Heavy metal contamination in rivers across the globe: an indicator of complex 3 interactions between societies and catchments Michel Meybeck Challenges for water-quality research in the new IAHS decade on: Hydrology Under 17 Societal andEnvironmental Change Matthew R. Hipsey & Berit Arheimer Pan-Europe The future development of chemical monitoring of priority substances in the context of 33 the Water Framework Directive Mario Carere, Bernd Manfred Gawlik, Linda Rado & Andrea Vergari Pan-European information needs on quality of freshwater Anita Kiinitzer 39 Regional overview of nutrient load in Europe - challenges when using a large-scale 49 model approach, E-HYPE Chantal Donnelly, Berit Arheimer, Rene Capell, Joel Dahne & Johan Stromqvist South Europe The complex task of maintaining water quality in Mediterranean basins: Case study, 59 Llobregat River basin, Spain J. Paredes, A. Andreu & A. Solera East Europe Overview of water quality problems in Estonia with the focus on drained peat areas as a 69 source of nitrogen Anatoli Vassiljev & Irina Blinova Euro-Asia On the problems of water quality in Russia and some approaches to their solution 77 G. M. Barenboim, V. I. Danilov-Danilyan, A. N. Gelfan & Yu. G. Motovilov Africa Water quality issues in West and Central Africa: present status and future challenges 87 Samuel Pare & L. Yvonne Bonzi-Coulibaly North America Field to watershed scale water quality adaptations to address a changing world 96 JaehakJeong, Robin Taylor, Santhi Chinnasamy, Colleen Green Rossi & Xavier M. Osorio Leyton X Contents South America Water resources in South America: sources and supply, pollutants and perspectives 106 Wouter Buytaert & Lutz Breuer East Asia Water quality problems and control strategies in China Haijun Zuo, Pengtao Yu, 114 Yanhui Wang, Valentino Krysanova, Huixia Wang, LihongXu, Shuai Pan & WeiXiong Recent developments in river water quality in a typical Mongolian river basin, the 123 Kharaa case study Jiirgen Hofinann, Michael Rode & Philipp Theuring Water quality problems in Japanese lakes: a brief overview 132 Naoyuki Kishimoto & Satoshi Ichise South Asia Issues of water quality, health and poverty: the Indian scenario 142 Akhilendra Bhushan Gupta & Sunil Gupta Water quality hot spots in Indian rivers Jakir Hussain & Ikbal Husain 150 Fluorosis prevalence in rural India: An example from Rajasthan Ikbal Husain & 158 Jakir Hussain Loire River eutrophication mitigation (1981-2011) measured by seasonal nutrients and 167 algal pigments C. Minaudo, F. Moatar, M. Meybeck, F. Curie, N. Gassama & M. Leitao Recent evolution and expected changes of nutrient loads in a heavily exploited 175 watershed: the Po River, Italy Pierluigi Viaroli, Marco Bartoli, Giuseppe Castaldelli, Mariachiara Naldi, Daniele Nizzoli & Giampaolo Rossetti Assessment of groundwater quality contamination by nitrate leaching using multivariate 183 statistics and Geographic Information Systems loannis Matiatos & Niki Evelpidou Groundwater pollution and the safe water supply challenge in Cotonou town, Benin 191 (West Africa) Henri S. V. Totin, Ernest Amoussou, Leocadie Odoulami, Patrick A. Edorh, Moussa Boukari & Michel Boko Effects of residence time and nutrient load on eutrophic conditions and phytoplankton 197 variations in agricultural reservoirs Mitsuyo Saito, Shin-ichi Onodera & Yuta Shiimizu 204 Nutrient transport and surface water-groundwater interactions in the tidal zone of the Yamato River, Japan Shin-ichi Onodera, Mitsuyo Saito, Masashi Yoshikawa, Koki Onishi, Yuta Shimizu & Hiroko Ito The dynamics of dissolved oxygen and metabolic rates in a shallow subtropical urban 212 lake, Louisiana, USA Y. Jun Xu & Ryan Mesmer The quality of surface water and groundwater in the eastern Haouz and Tassaout area, 220 Morocco Samia Rochdane, Abdennabi El Mandour, Mohammed Jaffal, Mahjoub Himi & Albert Casas ECOMAG: a distributed model of runoff formation and pollution transformation in river 227 basins Yu. Motovilov Contents xi Parameterizing dynamic water quality models in ungauged basins: issues and solutions 235 Eva Mockler & Michael Bruen Water quality as a limiting factor for irrigated agriculture Sima Belie, Andelka Belie & 243 Milica Vranesevic Groundwater trace metal pollution and health risk assessment in agricultural areas 250 Jing Li, Fa Dong Li, Qiu Ying Zhang, Guang Shuai Zhao, Qiang Liu & Shuai Song Combined use of stable isotope ratios to understand groundwater quality changes in 257 Kumamoto area, southern Japan Takahiro Hosono, Takahiro Tokunaga, Akane Tsushima, Makoto Kagabu, Haruhiko Nakata & Jun Shimada Assessing the changes in groundwater quality around tanneries: the Chennai example, 265 India K. Brindha & L. Elango Hydrogeological investigation of groundwater resources in the district of South 24 271 Parganas, India R. K. Majumdar & S. Kar Freshwater quality monitoring systems: ways towards improvements 278 Marina G. Erechtchoukova, Peter A. Khaiter & Dennis P. Khaiter Suspended sediment flux modelling in a transboundary Himalayan river basin 286 Archana Sarkar, R.D. Singh & Nayan Sharma Spatial and temporal distribution ofPAHs in the North Saskatchewan River, Alberta, 294 Canada Mike Stone, Adrian L. Collins, Curtis Brock & Darcy McDonald Summer dredging campaigns and their effect on water quality H. Proffitt, P. Beckwith 305 & N. Smith 313 Land use and water quality trends of the Fitzroy River, Australia Bofu Yu, Marianna Joo & Chris Carroll Water temperature sensitivity under climatic change: comparison between mountain and 321 lowland rivers in the Loire basin A. Beaufort, V. Bustillo, F. Curie, F. Moatar, A. Ducharne & D. Thiery Potential effects of human and climate change on freshwater resources in Pakistan 329 Abdul Qadir, Safdar Ali Anwar, Nadia Jamil & ArshedMakhdoom Sabir Changes of the basic physico-chemical characteristics of small rivers influenced by 336 anthropogenic elements in the area of Lodz, Poland Adam Bartnik & Piotr Moniewski 345 Groundwater vulnerability to changes in land use and society in India P. S. Datta Integrating riparian wetlands into river basin management - towards an ecohydrological 353 approach Bedta Pataki, Geza Jolankai, Istvdn Zsuffa & Herta Czedli Ecohydrological perspectives of declining water sources and quality in traditional water 361 bodies of Delhi R.B. Singh, S. Gahlot & Anju Singh Key word index 369.