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2016 | 25 | 5 |
Tytuł artykułu

Evaluating SWAT snowmelt parameters and simulating spring snowmelt nonpoint source pollution in the source area of the Liao River

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Snowmelt hydrology becomes an important component of the soil and water assessment tool (SWAT) when spring flows are dominated by melting snow. The objective of this study was to evaluate the performance of the SWAT model’s snowmelt parameters by simulating nonpoint source pollution in the source area of the Liao River – a cold area in China. The seven snowmelt parameters for the simulation were adjusted. The exports rule of nonpoint source pollution for the spring snowmelt period was analyzed. The result show that SFTMP, SMTMP, SMFMX, SMFMN, and TIMP were sensitive parameters, while SNOCOVMX and SNO50COV were insensitive. In addition, two common statistics (Nash-Sutcliffe coefficient, and coefficient of determination) were used to evaluate the model. This evaluation indicated that the SWAT model had good performance simulating the seasonal nonpoint source pollution with large snowmelt. According to the analysis, rainfall and snowmelt is a main driver of nonpoint source pollution in the cold area, and that summer and spring are high-risk seasons. The study provides a new and suitable method of nonpoint source pollution simulation for the cold areas.
Słowa kluczowe
Wydawca
-
Rocznik
Tom
25
Numer
5
Opis fizyczny
p.2177-2185,fig.,ref.
Twórcy
autor
  • Key Lab of Groundwater Resources and Environment, Jilin Province, College of the Environment and Resources, Jilin University, Changchun 130021, China
autor
  • Key Lab of Groundwater Resources and Environment, Jilin Province, College of the Environment and Resources, Jilin University, Changchun 130021, China
autor
  • Key Lab of Groundwater Resources and Environment, Jilin Province, College of the Environment and Resources, Jilin University, Changchun 130021, China
autor
  • Key Lab of Groundwater Resources and Environment, Jilin Province, College of the Environment and Resources, Jilin University, Changchun 130021, China
autor
  • Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100000, China
Bibliografia
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  • 20. MENG X.Y., JI X.N., LIU Z.H., XIAO J.C., CHEN X., WANG F. Research on improvement and application of snowmelt module in SWAT. Journal of Natural Resources. 29 (3), 528, 2014 [In Chinese].
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-5257bacb-1b66-403f-ba35-6923da6b9f41
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