Discussion of “Assessments of Impacts of Climate Change and Human Activities on Runoff with SWAT for the Huifa River Basin, Northeast China” by Aijing Zhang; Chi Zhang; Guobin Fu; Bende Wang; Zhenxin Bao; and Hongxing Zheng

Omid Bozorg Haddad (), M. Jahandideh-Tehrani () and M. Mariño ()

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2013, vol. 27, issue 7, 2073 pages

Abstract: Zhang et al. (Water Resour Manag doi: 10.1007/s11269-012-0182-2 , 2012 ) studied the impacts of climate change and human activities on the runoff for the Huifa River basin. They employed a soil and water assessment tool (SWAT), which was calibrated for the baseline period 1956–1964, and then used to reconstruct the natural runoff for the climate change period 1965–2000. Results showed that both climate change and human activities decrease the observed runoff. Climate change impacts on annual runoff were −37.7, −59.5, +36.9, and −45.2 mm/a for 1965–1975, 1976–1985, 1986–1995, and 1996–2005 respectively, compared with the baseline period 1956–1964. Human activities decreased runoff and caused a relatively larger magnitude impact than those of climate change after 1985. Human activities decreased the annual runoff by −32.9, −46.8, −67.8, and −54.9 mm/a for 1965–1975, 1976–1985, 1986–1995, and 1996–2005 respectively. Human activities further decreased runoff in wet years due to regulation and storage of water projects. Copyright Springer Science+Business Media Dordrecht 2013

Keywords: Impact; Climate change; Human activities; Runoff; SWAT (search for similar items in EconPapers)
Date: 2013
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DOI: 10.1007/s11269-013-0273-8

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