Articles | Volume 18, issue 12
Hydrol. Earth Syst. Sci., 18, 5303–5315, 2014
https://doi.org/10.5194/hess-18-5303-2014
Hydrol. Earth Syst. Sci., 18, 5303–5315, 2014
https://doi.org/10.5194/hess-18-5303-2014

Research article 18 Dec 2014

Research article | 18 Dec 2014

Dams on Mekong tributaries as significant contributors of hydrological alterations to the Tonle Sap Floodplain in Cambodia

M. E. Arias et al.

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Cited articles

Adamson, P. T., Rutherfurd, I. D., Peel, M. C., and Conlan, I. A.: The Hydrology of the Mekong River, in: The Mekong, 53–76, Academic Press, San Diego, available from: http://www.sciencedirect.com/science/article/B9FBM-4Y59TWF-M/2/29840b78b5de4ee935ae707cd803a3b4, 2009.
Agostinho, A. A., Bonecker, C. C., and Gomes, L. C.: Effects of water quantity on connectivity: the case of the upper Paraná River floodplain, Ecohydrol. Hydrobiol., 9, 99–113, https://doi.org/10.2478/v10104-009-0040-x, 2009.
Arias, M. E., Cochrane, T. A., Kummu, M., Killeen, T. J., Piman, T., and Caruso, B. S.: Quantifying changes in flooding and habitats in the Tonle Sap Lake (Cambodia) caused by water infrastructure development and climate change in the Mekong Basin, J. Environ. Manage., 112, 53–66, 2012.
Arias, M. E., Cochrane, T. A., Kummu, M., Lauri, H., Koponen, J., Holtgrieve, G. W., and Piman, T.: Impacts of hydropower and climate change on drivers of ecological productivity of Southeast Asia's most important wetland, Ecol. Model., 272, 252–263, 2014.
Arias, M. E., Cochrane, T. A., Norton, D., Killeen, T. J., and Khon, P.: The flood pulse as the underlying driver of vegetation in the largest wetland and fishery of the Mekong Basin, AMBIO, 42, 864–876, https://doi.org/10.1007/s13280-013-0424-4, 2013.
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Short summary
Hydrological modeling and assessment tools were used to provide evidence of the expected hydrological alterations that hydropower development in the lower Mekong tributaries could bring to the Tonle Sap. The most significant alterations are in terms of water levels during the dry season and rates of water level rise/drop which are crucial for tree seed germination and fish migrations, and therefore major ecological disruptions are likely to follow.