Journal
WATER AND ENVIRONMENT JOURNAL
Volume 33, Issue 4, Pages 536-546Publisher
WILEY
DOI: 10.1111/wej.12423
Keywords
coastal wetland; environmental flow; mean annual runoff; water reserve
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Funding
- project Catedras - Mexican National for Science and Technology (CONACYT) [148]
- PRONATURA NOROESTE A.C. [2015/672.6 D]
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Hydrological variability is one of the main drivers for rivers structure, and functionality, making the environmental flow (EF) assessment a key element to understand some ecological processes depending on it. Therefore, we aimed to evaluate the EF regime for the main rivers feeding a coastal wetland complex in northwest Mexico, following the hydrologic methodology officially approved by the Mexican National Water Commission based on daily data series (1975-2014). A mean annual runoff around 11 556 Mm(3) was estimated to feed the Marismas Nacionales (MN) wetlands system from the discharge of seven rivers. It is expected that the estimated flows, regarded as necessary for the MN system to function properly as a whole, will change because of regional hydraulic infrastructure plans, threatening the discharge of the San Pedro and Baluarte rivers by reducing the flow significantly with negative effects on the MN wetlands.
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