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

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 hydrol...

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Bibliographic Details
Published in:Journal of water and climate change 2021-02, Vol.12 (1), p.185-200
Main Authors: Mena, Darwin, Solera, Abel, Restrepo, Lina, Pimiento, Melissa, Cañón, Miguel, Duarte, Freddy
Format: Article
Language:English
Subjects:
Agricultural production
Climate change
Climate change scenarios
Climate models
Decision making
Demand analysis
downscaling
Environmental impact
hydro-bid
Hydrologic models
Hydrology
Modelling
Observatories
Population
Precipitation
River basins
Rivers
Runoff
Sea level
Software
Water demand
Water management
Water shortages
Water supply
weap
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Summary: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.
ISSN:2040-2244
2408-9354
DOI:10.2166/wcc.2019.118