Hydrological modelling of a small watershed using generated rainfall in the soil and water assessment tool model
Identifieur interne : 000B10 ( Istex/Corpus ); précédent : 000B09; suivant : 000B11Hydrological modelling of a small watershed using generated rainfall in the soil and water assessment tool model
Auteurs : M. P. Tripathi ; R. K. Panda ; N. S. Raghuwanshi ; R. SinghSource :
- Hydrological Processes [ 0885-6087 ] ; 2004-07.
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- KwdEn :
Abstract
An adequately tested soil and water assessment tool (SWAT) model was applied to the runoff and sediment yield of a small agricultural watershed in eastern India using generated rainfall. The capability of the model for generating rainfall was evaluated for a period of 18 years (1981–1998). The watershed and subwatershed boundaries, drainage networks, slope, soil series and texture maps were generated using a geographical information system (GIS). A supervised classification method was used for land‐use/cover classification from satellite imageries. Model simulated monthly rainfall for the period of 18 years was compared with observations. Simulated monthly rainfall, runoff and sediment yield values for the monsoon season of 8 years (1991–1998) were also compared with their observed values. In general monthly average rainfall predicted by the model was in close agreement with the observed monthly average values. Also, simulated monthly average values of surface runoff and sediment yield using generated rainfall compared well with observed values during the monsoon season of the years 1991–1998. Results of this study revealed that the SWAT model can generate monthly average rainfall satisfactorily and thereby can produce monthly average values of surface runoff and sediment yield close to the observed values. Therefore, it can be concluded that the SWAT model could be used for developing a multiple year management plan for the critical erosion prone areas of a small watershed. Copyright © 2004 John Wiley & Sons, Ltd.
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DOI: 10.1002/hyp.1448
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<front><div type="abstract" xml:lang="en">An adequately tested soil and water assessment tool (SWAT) model was applied to the runoff and sediment yield of a small agricultural watershed in eastern India using generated rainfall. The capability of the model for generating rainfall was evaluated for a period of 18 years (1981–1998). The watershed and subwatershed boundaries, drainage networks, slope, soil series and texture maps were generated using a geographical information system (GIS). A supervised classification method was used for land‐use/cover classification from satellite imageries. Model simulated monthly rainfall for the period of 18 years was compared with observations. Simulated monthly rainfall, runoff and sediment yield values for the monsoon season of 8 years (1991–1998) were also compared with their observed values. In general monthly average rainfall predicted by the model was in close agreement with the observed monthly average values. Also, simulated monthly average values of surface runoff and sediment yield using generated rainfall compared well with observed values during the monsoon season of the years 1991–1998. Results of this study revealed that the SWAT model can generate monthly average rainfall satisfactorily and thereby can produce monthly average values of surface runoff and sediment yield close to the observed values. Therefore, it can be concluded that the SWAT model could be used for developing a multiple year management plan for the critical erosion prone areas of a small watershed. Copyright © 2004 John Wiley & Sons, Ltd.</div>
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<p>An adequately tested soil and water assessment tool (SWAT) model was applied to the runoff and sediment yield of a small agricultural watershed in eastern India using generated rainfall. The capability of the model for generating rainfall was evaluated for a period of 18 years (1981–1998). The watershed and subwatershed boundaries, drainage networks, slope, soil series and texture maps were generated using a geographical information system (GIS). A supervised classification method was used for land‐use/cover classification from satellite imageries.</p>
<p>Model simulated monthly rainfall for the period of 18 years was compared with observations. Simulated monthly rainfall, runoff and sediment yield values for the monsoon season of 8 years (1991–1998) were also compared with their observed values. In general monthly average rainfall predicted by the model was in close agreement with the observed monthly average values. Also, simulated monthly average values of surface runoff and sediment yield using generated rainfall compared well with observed values during the monsoon season of the years 1991–1998. Results of this study revealed that the SWAT model can generate monthly average rainfall satisfactorily and thereby can produce monthly average values of surface runoff and sediment yield close to the observed values. Therefore, it can be concluded that the SWAT model could be used for developing a multiple year management plan for the critical erosion prone areas of a small watershed. Copyright © 2004 John Wiley & Sons, Ltd.</p>
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<titleInfo type="abbreviated" lang="en"><title>SMALL WATERSHED HYDROLOGICAL MODELLING</title>
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<titleInfo type="alternative" contentType="CDATA" lang="en"><title>Hydrological modelling of a small watershed using generated rainfall in the soil and water assessment tool model</title>
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<name type="personal"><namePart type="given">M. P.</namePart>
<namePart type="family">Tripathi</namePart>
<affiliation>Department of Soil and Water Engineering, Faculty of Agricultural Engineering, Indira Gandhi Agricultural University, Raipur—492 006 (Chhattisgarh), India</affiliation>
<affiliation>Department of Soil and Water Engineering Faculty of Agricultural Engineering, Indira Gandhi Agricultural University, Raipur—492 006 (Chhattisgarh), India.===</affiliation>
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<name type="personal"><namePart type="given">R. K.</namePart>
<namePart type="family">Panda</namePart>
<affiliation>Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur—721 302 (West Bengal), India</affiliation>
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<name type="personal"><namePart type="given">N. S.</namePart>
<namePart type="family">Raghuwanshi</namePart>
<affiliation>Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur—721 302 (West Bengal), India</affiliation>
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<name type="personal"><namePart type="given">R.</namePart>
<namePart type="family">Singh</namePart>
<affiliation>Agricultural and Food Engineering Department, Indian Institute of Technology, Kharagpur—721 302 (West Bengal), India</affiliation>
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<originInfo><publisher>John Wiley & Sons, Ltd.</publisher>
<place><placeTerm type="text">Chichester, UK</placeTerm>
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<dateIssued encoding="w3cdtf">2004-07</dateIssued>
<dateCaptured encoding="w3cdtf">2002-04-02</dateCaptured>
<dateValid encoding="w3cdtf">2003-04-23</dateValid>
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<abstract lang="en">An adequately tested soil and water assessment tool (SWAT) model was applied to the runoff and sediment yield of a small agricultural watershed in eastern India using generated rainfall. The capability of the model for generating rainfall was evaluated for a period of 18 years (1981–1998). The watershed and subwatershed boundaries, drainage networks, slope, soil series and texture maps were generated using a geographical information system (GIS). A supervised classification method was used for land‐use/cover classification from satellite imageries. Model simulated monthly rainfall for the period of 18 years was compared with observations. Simulated monthly rainfall, runoff and sediment yield values for the monsoon season of 8 years (1991–1998) were also compared with their observed values. In general monthly average rainfall predicted by the model was in close agreement with the observed monthly average values. Also, simulated monthly average values of surface runoff and sediment yield using generated rainfall compared well with observed values during the monsoon season of the years 1991–1998. Results of this study revealed that the SWAT model can generate monthly average rainfall satisfactorily and thereby can produce monthly average values of surface runoff and sediment yield close to the observed values. Therefore, it can be concluded that the SWAT model could be used for developing a multiple year management plan for the critical erosion prone areas of a small watershed. Copyright © 2004 John Wiley & Sons, Ltd.</abstract>
<note type="funding">CSIR, New Delhi</note>
<subject lang="en"><genre>keywords</genre>
<topic>GIS</topic>
<topic>generated rainfall</topic>
<topic>hydrological modelling</topic>
<topic>runoff</topic>
<topic>sediment yield</topic>
<topic>SWAT model</topic>
<topic>watershed and subwatershed</topic>
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<relatedItem type="host"><titleInfo><title>Hydrological Processes</title>
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<titleInfo type="abbreviated"><title>Hydrol. Process.</title>
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<subject><genre>article-category</genre>
<topic>Research Article</topic>
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<identifier type="ISSN">0885-6087</identifier>
<identifier type="eISSN">1099-1085</identifier>
<identifier type="DOI">10.1002/(ISSN)1099-1085</identifier>
<identifier type="PublisherID">HYP</identifier>
<part><date>2004</date>
<detail type="volume"><caption>vol.</caption>
<number>18</number>
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<detail type="issue"><caption>no.</caption>
<number>10</number>
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<extent unit="pages"><start>1811</start>
<end>1821</end>
<total>11</total>
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<identifier type="DOI">10.1002/hyp.1448</identifier>
<identifier type="ArticleID">HYP1448</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 2004 John Wiley & Sons, Ltd.</accessCondition>
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