Articles | Volume 16, issue 8
https://doi.org/10.5194/bg-16-1657-2019
https://doi.org/10.5194/bg-16-1657-2019
Reviews and syntheses
 | 
23 Apr 2019
Reviews and syntheses |  | 23 Apr 2019

Reviews and syntheses: Dams, water quality and tropical reservoir stratification

Robert Scott Winton, Elisa Calamita, and Bernhard Wehrli

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Cited articles

Anderson, E. P., Jenkins, C. N., Heilpern, S., Maldonado-ocampo, J. A., Carvajal-vallejos, F. M., Encalada, A. C., and Rivadeneira, J. F.: Fragmentation of Andes-to-Amazon connectivity by hydropower dams, Sci. Adv., 4, 1–8, https://doi.org/10.1126/sciadv.aao1642, 2018. 
Ashley, K., Thompson, L. C., Lasenby, D. C., Mceachern, L., Smokorowski, K. E., and Sebastian, D.: Restoration of an interior lake ecosystem: The kootenay lake fertilization experiment, Water Qual. Res. J. Can., 32, 295–323, 1997. 
Bednařík, A., Blaser, M., Matoušů, A., Hekera, P., and Rulík, M.: Effect of weir impoundments on methane dynamics in a river, Sci. Total Environ., 584–585, 164–174, https://doi.org/10.1016/j.scitotenv.2017.01.163, 2017. 
Bengtsson, L., Herschy, R. W., and Fairbridge, R. W.: Encyclopedia of lakes and reservoirs: geography, geology, hydrology and paleolimnology, Springer, 2012. 
Beutel, M. W. and Horne, A. J.: A review of the effects of hypolimnetic oxygenation on lake and reservoir water quality, Lake Reserv. Manage., 15, 285–297, https://doi.org/10.1080/07438149909354124, 1999. 
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Short summary
A global boom in dam construction throughout the world’s tropics motivated us to review and synthesize information on the water quality impacts of dams with a focus on low-latitude contexts and scope for mitigation. Sediment trapping and reservoir stratification are key process driving chemical and ecological impacts on tropical rivers. We analyze the 54 most-voluminous low-latitude reservoirs and find that stratification seems to be a ubiquitous phenomenon.
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