Infrastructure effects on floods in the Mekong River Delta in Vietnam
Identifieur interne : 001120 ( Istex/Corpus ); précédent : 001119; suivant : 001121Infrastructure effects on floods in the Mekong River Delta in Vietnam
Auteurs : Le Thi Viet Hoa ; Haruyama Shigeko ; Nguyen Huu Nhan ; Tran Thanh CongSource :
- Hydrological Processes [ 0885-6087 ] ; 2008-04-30.
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- KwdEn :
Abstract
The Mekong River Delta (MRD) is one of two primary rice‐growing areas in Vietnam. Flooding in the Mekong River is a recurrent event and is not only one of the most destructive natural disasters but also a natural resource in this area. The cultivated surface soil layer in the Mekong Delta has a thickness of only about 50 cm, and is heavily polluted by acidic water infiltrating from deeper soil layers during the dry season. The annual floods carry fertile silt to farmland and fresh water to wash away the acidic water and provide the water needed to grow vast rice fields. The flood water carries with it various fish species that facilitate aquaculture development in the area. The floods also wash away polluted water and provide the whole delta with clean water. Owing to these different factors, the flooding in this area has a positive impact on agriculture and a negative impact on regional planning. Recent infrastructural changes designed to mitigate flood damage and protect crops and residents' lives make the inundation regime more complicated. To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. Copyright © 2008 John Wiley & Sons, Ltd.
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DOI: 10.1002/hyp.6945
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Flooding in the Mekong River is a recurrent event and is not only one of the most destructive natural disasters but also a natural resource in this area. The cultivated surface soil layer in the Mekong Delta has a thickness of only about 50 cm, and is heavily polluted by acidic water infiltrating from deeper soil layers during the dry season. The annual floods carry fertile silt to farmland and fresh water to wash away the acidic water and provide the water needed to grow vast rice fields. The flood water carries with it various fish species that facilitate aquaculture development in the area. The floods also wash away polluted water and provide the whole delta with clean water. Owing to these different factors, the flooding in this area has a positive impact on agriculture and a negative impact on regional planning. Recent infrastructural changes designed to mitigate flood damage and protect crops and residents' lives make the inundation regime more complicated. To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. 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To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. 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To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. 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number="30"></count></countGroup><titleGroup><title type="main" xml:lang="en">Infrastructure effects on floods in the Mekong River Delta in Vietnam</title><title type="short" xml:lang="en">INFRASTRUCTURE EFFECTS ON FLOODS IN THE MEKONG RIVER DELTA IN VIETNAM</title></titleGroup><creators><creator xml:id="au1" creatorRole="author" affiliationRef="#af1" corresponding="yes"><personName><givenNames>Le Thi Viet</givenNames><familyName>Hoa</familyName></personName><contactDetails><email>flower.hoa@gmail.com</email></contactDetails></creator><creator xml:id="au2" creatorRole="author" affiliationRef="#af2"><personName><givenNames>Haruyama</givenNames><familyName>Shigeko</familyName></personName></creator><creator xml:id="au3" creatorRole="author" affiliationRef="#af3"><personName><givenNames>Nguyen Huu</givenNames><familyName>Nhan</familyName></personName></creator><creator xml:id="au4" creatorRole="author" affiliationRef="#af3"><personName><givenNames>Tran 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xml:id="kwd2">numerical model</keyword><keyword xml:id="kwd3">flood</keyword><keyword xml:id="kwd4">topography</keyword><keyword xml:id="kwd5">simulation</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>The Mekong River Delta (MRD) is one of two primary rice‐growing areas in Vietnam. Flooding in the Mekong River is a recurrent event and is not only one of the most destructive natural disasters but also a natural resource in this area. The cultivated surface soil layer in the Mekong Delta has a thickness of only about 50 cm, and is heavily polluted by acidic water infiltrating from deeper soil layers during the dry season. The annual floods carry fertile silt to farmland and fresh water to wash away the acidic water and provide the water needed to grow vast rice fields. The flood water carries with it various fish species that facilitate aquaculture development in the area. The floods also wash away polluted water and provide the whole delta with clean water.</p><p>Owing to these different factors, the flooding in this area has a positive impact on agriculture and a negative impact on regional planning. Recent infrastructural changes designed to mitigate flood damage and protect crops and residents' lives make the inundation regime more complicated. To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. Copyright © 2008 John Wiley & Sons, Ltd.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Infrastructure effects on floods in the Mekong River Delta in Vietnam</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>INFRASTRUCTURE EFFECTS ON FLOODS IN THE MEKONG RIVER DELTA IN VIETNAM</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Infrastructure effects on floods in the Mekong River Delta in Vietnam</title></titleInfo><name type="personal"><namePart type="given">Le Thi Viet</namePart><namePart type="family">Hoa</namePart><affiliation>Institute of Natural Environmental Studies, Graduate School of Frontier Science, University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo 113‐0033, Japan</affiliation><affiliation>Institute of Natural Environmental Studies, Graduate School of Frontier Science, University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo 113‐0033, Japan.===</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Haruyama</namePart><namePart type="family">Shigeko</namePart><affiliation>Institute of Natural Environmental Studies, Graduate School of Frontier Science, University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo 113‐0033, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Nguyen Huu</namePart><namePart type="family">Nhan</namePart><affiliation>National Hydro‐Meteorological Center, Ministry of Natural Resource and Environment, 8 Mac Dinh Chi, Ho Chi Minh, Viet Nam</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Tran Thanh</namePart><namePart type="family">Cong</namePart><affiliation>National Hydro‐Meteorological Center, Ministry of Natural Resource and Environment, 8 Mac Dinh Chi, Ho Chi Minh, Viet Nam</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>John Wiley & Sons, Ltd.</publisher><place><placeTerm type="text">Chichester, UK</placeTerm></place><dateIssued encoding="w3cdtf">2008-04-30</dateIssued><dateCaptured encoding="w3cdtf">2006-12-26</dateCaptured><dateValid encoding="w3cdtf">2007-04-08</dateValid><copyrightDate encoding="w3cdtf">2008</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">11</extent><extent unit="tables">1</extent><extent unit="references">30</extent></physicalDescription><abstract lang="en">The Mekong River Delta (MRD) is one of two primary rice‐growing areas in Vietnam. Flooding in the Mekong River is a recurrent event and is not only one of the most destructive natural disasters but also a natural resource in this area. The cultivated surface soil layer in the Mekong Delta has a thickness of only about 50 cm, and is heavily polluted by acidic water infiltrating from deeper soil layers during the dry season. The annual floods carry fertile silt to farmland and fresh water to wash away the acidic water and provide the water needed to grow vast rice fields. The flood water carries with it various fish species that facilitate aquaculture development in the area. The floods also wash away polluted water and provide the whole delta with clean water. Owing to these different factors, the flooding in this area has a positive impact on agriculture and a negative impact on regional planning. Recent infrastructural changes designed to mitigate flood damage and protect crops and residents' lives make the inundation regime more complicated. To understand the role of infrastructure in the flood regime in this area as well as the mechanism of the flood regime, it is necessary to apply an integrated method of study including numerical modelling, a geographic information system (GIS), and statistical analyses. This study includes a brief presentation of the measured data analysis of flood variation trends over the 43‐year period from 1961 to 2004 and an analysis of the hydrological effects of infrastructure changes associated with human activities in the period from 1996 to 2001 based on the integrated hydraulic model known as HydroGis. Copyright © 2008 John Wiley & Sons, Ltd.</abstract><subject lang="en"><genre>keywords</genre><topic>Mekong River Delta</topic><topic>numerical model</topic><topic>flood</topic><topic>topography</topic><topic>simulation</topic></subject><relatedItem type="host"><titleInfo><title>Hydrological Processes</title><subTitle>An International Journal</subTitle></titleInfo><titleInfo type="abbreviated"><title>Hydrol. Process.</title></titleInfo><name type="personal"><namePart type="given">Kuniyoshi</namePart><namePart type="family">Takeuchi</namePart></name><name type="personal"><namePart type="given">Hiroshi</namePart><namePart type="family">Ishidaira</namePart></name><name type="personal"><namePart type="given">Haruo</namePart><namePart type="family">Sawada</namePart></name><name type="personal"><namePart type="given">Takao</namePart><namePart type="family">Masumoto</namePart></name><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Research Article</topic></subject><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>2008</date><detail type="title"><title>Studies on the Mekong River Basin ‐ Modelling of Hydrology and Water Resources</title></detail><detail type="volume"><caption>vol.</caption><number>22</number></detail><detail type="issue"><caption>no.</caption><number>9</number></detail><extent unit="pages"><start>1359</start><end>1372</end><total>14</total></extent></part></relatedItem><identifier type="istex">82B4D37E5B04AE6B5A7BF31F6BFA9E8CBEDE314D</identifier><identifier type="DOI">10.1002/hyp.6945</identifier><identifier type="ArticleID">HYP6945</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2008 John Wiley & Sons, Ltd.</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>John Wiley & Sons, Ltd.</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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