An analysis of unmet water demand under climate change scenarios in the Gualí River Basin, Colombia, through the implementation of Hydro-BID and WEAP hydrological modeling tools | Zendy

Darwin Mena | Zendy; Abel Solera | Zendy; Lina Restrepo | Zendy; Melissa Pimiento | Zendy; Miguel Cañón | Zendy; Freddy Santiago Duarte | Zendy

Open Access

An analysis of unmet water demand under climate change scenarios in the Gualí River Basin, Colombia, through the implementation of Hydro-BID and WEAP hydrological modeling tools

Author(s) -

Darwin Mena,

Abel Solera,

Lina Restrepo,

Melissa Pimiento,

Miguel Cañón,

Freddy Santiago Duarte

Publication year - 2019

Publication title -

journal of water and climate change

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 22

eISSN - 2408-9354

pISSN - 2040-2244

DOI - 10.2166/wcc.2019.118

Subject(s) - climate change , environmental science , drainage basin , water resources , water resource management , streamflow , structural basin , environmental resource management , hydrological modelling , water supply , hydrology (agriculture) , geography , environmental engineering , climatology , engineering , geology , ecology , paleontology , oceanography , cartography , geotechnical engineering , biology

Climate change can affect hydrological services in Andean basins, so a possible reduction in water supply can lead to not meeting the needs of different users, which has become a real challenge for decision-makers with regards to water management. This paper presents the results obtained from hydrological modeling exercises in the Gualí River Basin (Colombia) by combining the Hydro-BID modeling tool, which consists of an analytical hydrology database for Latin America and the Caribbean that provides a great advantage for countries with limited information and the Water Evaluation and Planning System (WEAP) modeling tool, in order to determine the potential impacts of climate change on unsatisfied demand for water in the basin. The results show a possible decrease in flow compared to current conditions; between 5.8% and 9.56% for CPR 2.6, and between 2.18% and 6.86% for CPR 8.5. The approach presented is useful to ensure that timely decisions are made to meet the demands of users under the conditions of climate change.

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