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Seasonal Surface Runoff Characteristics in the Semiarid Region of Western Heilongjiang Province in Northeast China—A Case of the Alun River Basin

1
School of Hydraulic, Energy and Power Engineering of Yangzhou University, No 196 Huayang –west Road, Yangzhou 225127, Jiangsu Province, China
2
Faculty of Agriculture, Tottori University, No 4-101Koyama-minami, Tottori 680-8553, Japan
3
School of Water Conservancy and Civil Engineering of Northeast Agricultural University, No 600 Changjiang Road, Harbin 150030, Heilongjiang Province, China
4
School of Information Engineering of Yangzhou University, No 196 Huayang–west Road, Yangzhou 225127, Jiangsu Province, China
*
Author to whom correspondence should be addressed.
Water 2019, 11(3), 557; https://doi.org/10.3390/w11030557
Received: 15 February 2019 / Revised: 14 March 2019 / Accepted: 14 March 2019 / Published: 18 March 2019
(This article belongs to the Special Issue Flood Modelling: Regional Flood Estimation and GIS Based Techniques)
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Abstract

Water resource issues are a challenging area of research in semiarid regions of the world. The objective of the current study was to reveal the main characteristics of seasonal surface runoff for the semiarid western Heilongjiang Province of China. The Alun River Basin, which has hydrological and meteorological characteristics of the local region, was adopted as the study location. A distributed rainfall-runoff combined with snowmelt hydrological model was used to carry out the runoff calculation for the six years (2011–2016). The results indicated that: The mean annual runoff coefficient was 0.34; snowmelt runoff accounted for 2.2% of annual total runoff in 2011–2016; the main part of annual rainfall and runoff was concentrated in the rainy season from June to September, the proportions of rainfall and runoff in this period were 78% and 86% to that of the annual means of 2011–2016; the peak flow represents a decreased trend since 2013, and evidently decreased in 2015 and 2016; less annual precipitation complex with paddy field retention of rainwater and runoff led to the peak flow and annual runoff coefficient in 2016 were obviously lower than that of annual means of 2011–2016. The results are expected to provide the basis for rational development and utilization of surface runoff, and further researches on surface runoff and water resources of the semiarid western Heilongjiang Province of China. View Full-Text
Keywords: surface runoff; semiarid region; the Alun River Basin; snowmelt; distributed hydrological model surface runoff; semiarid region; the Alun River Basin; snowmelt; distributed hydrological model
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Huang, J.; Tagawa, K.; Wang, B.; Wen, J.; Wang, J. Seasonal Surface Runoff Characteristics in the Semiarid Region of Western Heilongjiang Province in Northeast China—A Case of the Alun River Basin. Water 2019, 11, 557.

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