TWINLATIN Twinning European and Latin American River Basins for Research Enabling Sustainable Water Resources Management Final Report Authors Ekstrand, S; Mancinelli, C; Houghton-Carr, H; Govers, G; Debels, P; Camaño, B; Alcoz, S; Filiberto, I; Gámez, S; Duque, A. Printed in October 2009 Acknowledgement This report compiles the results from the TWINLATIN project (Twinning European and Latin-American River Basins for Research Enabling Sustainable Water Resources Management) which was co-funded by the European Commission under the EU 6th Framework Programme (contract number 018436). Naturvårdsverket co-financed the IVL research activities in Norrström as well as the capacity enhancement in other LA Basins. NERC-UK (Natural Environment Research Council) co-financed the CEH-W work in the project. MOPT - Uruguay (Ministry of Works and Transport) co-financed the DNH activities, and CVC- Colombia co-financed their participation in TWINLATIN The following additional scientific experts have been involved in the different work packages under TWINLATIN: IVL: Mikael Olshammar, Peter Wallenberg, Ida Westerberg, Tony Persson, Elisabet Kock CEH-W: Sonja Folwell KULeuven: Felliciana Licciardello, Carolien Tote EULA: Alejandra Stehr, Hernán Alcayaga, Francisco Romero, Roberto Ponce, Robinson Torres, and from DGA: Jorge O´kuinghttons, Fabián Espinoza. IPH: Walter Collischonn, Fernando Meirelles DNH: Jorge Gussoni, Sandra Villar CIEMA: Miguel Blanco, Sagrario Espinal UNIGECC: Mercedes Alonso, Augusto Febres, Iván del Carpio CVC: María Clemencia Sandoval, Iván Calero Some of the National agencies or public organisations active involved in the research activities have been: DGA, CIEP and CONAMA from Chile; ANA and Cuareim River Commission from Brazil; MVOTMA and MGAP from Uruguay; INETER from Nicaragua; CRC and Universidad del Valle from Colombia. List of contents EXECUTIVE SUMMARY.................................................................................... 3 Partners in the project ...............................................................................................................................9 1. INTRODUCTION.......................................................................................... 10 2. BRIEF DESCRIPTION OF THE RIVER BASINS......................................... 10 3. WORK PACKAGES ACTIVITIES AND RESULTS...................................... 13 3.1 WP1 Current Status and stakeholder structures.............................................................................13 BAKER..................................................................................................................................................13 CUAREIM - QUARAI ..........................................................................................................................14 COCIBOLCA ........................................................................................................................................15 CATAMAYO-CHIRA...........................................................................................................................16 CAUCA..................................................................................................................................................16 3.2 WP2 Monitoring and Database Construction..................................................................................18 Database construction (Implementation of environmental database).....................................................18 Monitoring activities..............................................................................................................................19 NORRSTRÖM.......................................................................................................................................19 THAMES ...............................................................................................................................................21 BAKER..................................................................................................................................................23 CUAREIM - QUARAI BASIN (Brazilian partner) ...............................................................................24 CUAREIM - QUARAI BASIN (Uruguayan partner)............................................................................26 COCIBOLCA LAKE.............................................................................................................................31 CATAMAYO-CHIRA...........................................................................................................................34 CAUCA..................................................................................................................................................38 Data quality & metadata issues ..............................................................................................................41 3.3 WP3 Hydrological modelling and extremes .....................................................................................43 NORRSTRÖM.......................................................................................................................................45 CEH-W ..................................................................................................................................................53 BAKER..................................................................................................................................................58 CUAREIM - QUARAI (Brazilian partner)............................................................................................68 CUAREIM - QUARAI Basin (Uruguayan side)....................................................................................71 COCIBOLCA LAKE.............................................................................................................................77 CATAMAYO-CHIRA...........................................................................................................................81 CAUCA..................................................................................................................................................84 3.4 WP4 Public participation...................................................................................................................87 BAKER..................................................................................................................................................88 COCIBOLCA LAKE.............................................................................................................................91 CAUCA BASIN.....................................................................................................................................99 CUAREIM - QUARAI (Uruguayan side)............................................................................................107 CUAREIM - QUARAI (Brazilian side)...............................................................................................111 CATAMAYO-CHIRA.........................................................................................................................116 3.5 WP5 Sustainable Management Strategies......................................................................................122 CEH-W ................................................................................................................................................122 CATAMAYO-CHIRA.........................................................................................................................122 BAKER................................................................................................................................................124 COCIBOLCA LAKE...........................................................................................................................126 CAUCA................................................................................................................................................126 CUAREIM - QUARAI (Uruguayan side)............................................................................................127 CUAREIM -QUARAI (Brazilian side)................................................................................................128 Strength, Weaknesses and Proposals – Prepared at the International Workshop on Sustainable Management Strategies, June 2008 - Montevideo, Uruguay................................................................128 3.6 WP6 Pollution pressure and impact analysis.................................................................................136 BAKER................................................................................................................................................136 CAUCA................................................................................................................................................138 CUAREIM-QUARAI (Uruguayan side)..............................................................................................139 CUAREIM - QUARAI (Brazilian side)...............................................................................................141 COCIBOLCA ......................................................................................................................................143 CATAMAYO-CHIRA.........................................................................................................................145 NORRSTRÖM.....................................................................................................................................147