{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,8]],"date-time":"2025-11-08T22:43:40Z","timestamp":1762641820428},"reference-count":51,"publisher":"IWA Publishing","issue":"3","content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2015,9,1]]},"abstract":"<jats:p>Changes in water temperature and stratification dynamics can have a significant effect on hydrodynamics and water quality in reservoirs. Therefore, to assess future climate impacts, projections of three regional climate models for Europe, under the IPCC A1B emission scenario (2081\u20132100), were used with the CE-QUAL-W2 water quality model to evaluate changes in the thermal regime of 24 Portuguese reservoirs, representing different geographic regions, morphologies, volumes and hydrological regimes. Simulation results were compared with reference simulations for the period 1989\u20132008 and changes in water temperature and thermal stratification characteristics were evaluated. Future inflow scenarios were estimated from precipitation-runoff non-linear correlations and outflows were estimated considering present water uses, including hydropower, water supply and irrigation. Results suggest a significant increment in the mean water temperature of the reservoirs for the entire water volume and at water surface of 2.3 and 2.5 \u00b0C, respectively, associated with a runoff reduction of approximately 23%. Overall, variations in annual stratification patterns are characterized by changes in the mean annual length of stratification anomaly that ranged from \u221221 to +39 days. Results also show the influence of depth and volume over the reservoir's temperature anomaly, highlighting the importance of future water uses and operation rule curves optimization for reservoirs.<\/jats:p>","DOI":"10.2166\/wcc.2015.071","type":"journal-article","created":{"date-parts":[[2015,9,2]],"date-time":"2015-09-02T12:41:00Z","timestamp":1441197660000},"page":"544-560","update-policy":"http:\/\/dx.doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":5,"title":["Thermal stratification of Portuguese reservoirs: potential impact of extreme climate scenarios"],"prefix":"10.2166","volume":"6","author":[{"given":"Manuel C.","family":"Almeida","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Pedro S.","family":"Coelho","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Ant\u00f3nio C.","family":"Rodrigues","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Paulo A.","family":"Diogo","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Rita","family":"Maur\u00edcio","sequence":"first","affiliation":[{"name":"Faculdade de Ci\u00eancias e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal"}]},{"given":"Rita M.","family":"Cardoso","sequence":"first","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias, Universidade de Lisboa, 1749-016 Lisboa, Portugal"}]},{"given":"Pedro M.","family":"Soares","sequence":"first","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias, Universidade de Lisboa, 1749-016 Lisboa, Portugal"}]}],"member":"945","published-online":{"date-parts":[[2015,4,8]]},"reference":[{"key":"2020032615472496200_JWC-D-14-00071C1","first-page":"541","volume-title":"Report of the Intergovernmental Panel on Climate Change","author":"Alcamo","year":"2007"},{"key":"2020032615472496200_JWC-D-14-00071C2","first-page":"507","volume-title":"Aquatic Ecology","author":"Arvola","year":"2010"},{"key":"2020032615472496200_JWC-D-14-00071C3","doi-asserted-by":"crossref","DOI":"10.1029\/2006GL029021","article-title":"Lake Superior summer water temperatures are increasing more rapidly than regional air temperatures: A positive ice-albedo feedback","volume":"34","author":"Austin","year":"2007","journal-title":"Geophysical Research Letters"},{"key":"2020032615472496200_JWC-D-14-00071C4","unstructured":"Bates\n              B. C.\n            \n            \n              Kundzewicz\n              Z. W.\n            \n            \n              Wu\n              S.\n            \n            \n              Palutikof\n              J. P.\n            \n           (eds) 2008Climate Change and Water. Technical Paper of the Intergovernmental Panel on Climate Change, IPCC Secretariat, Geneva, 210 pp."},{"key":"2020032615472496200_JWC-D-14-00071C5","doi-asserted-by":"crossref","first-page":"2591","DOI":"10.1002\/joc.3616","article-title":"WRF High resolution simulation of Iberian mean and extreme precipitation climate","volume":"33","author":"Cardoso","year":"2013","journal-title":"International Journal of Climatology"},{"key":"2020032615472496200_JWC-D-14-00071C6","unstructured":"Cole\n              T. M.\n            \n            \n              Wells\n              S. A.\n            \n          \n          2011\n          CE-QUAL-W2: A Two-Dimensional, Laterally Averaged, Hydrodynamic and Water Quality Model, Version 3.7. User manual. Report of Department of Civil and Environmental Engineering, Portland State University, Portland, OR."},{"key":"2020032615472496200_JWC-D-14-00071C7","doi-asserted-by":"crossref","first-page":"1109","DOI":"10.4319\/lo.1996.41.5.1109","article-title":"Effects of climate warming on fish thermal habitat in streams of the United States","volume":"41","author":"Eaton","year":"1996","journal-title":"Limnology and Oceanography"},{"key":"2020032615472496200_JWC-D-14-00071C8","unstructured":"EEA\n          2012\n          Climate change, impacts and vulnerability in Europe 2012. 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