Hydrological changes and land degradation in the southern and eastern Tarim basin, Xinjiang, China
Identifieur interne : 000C87 ( Istex/Corpus ); précédent : 000C86; suivant : 000C88Hydrological changes and land degradation in the southern and eastern Tarim basin, Xinjiang, China
Auteurs : X. Yang ; Z. Liu ; F. Zhang ; P. D. White ; X. WangSource :
- Land Degradation & Development [ 1085-3278 ] ; 2006-07.
English descriptors
- KwdEn :
Abstract
Using the combined methods of digital image processing of remote sensing data, a Geographical Information System (GIS) and analysis of historical books and maps, this paper aims to contribute to a better understanding of the processes and mechanisms of land‐use and land‐cover changes and hydrological variations during the last 2000 years in a hyper‐arid environment. The southern and eastern Taklamakan Desert, one of the driest and ecologically most sensitive regions in China and characterized by a long history of human settlements, was chosen as the study area. A hydrological connection between the Keriya and Niya rivers in former times was recognized for the first time using satellite imagery. After transferring the notes and maps of historical times into a simplified modern map, it shows that the Lop Nuer decreased in size from a large lake in the Han Dynasty (206 BC to AD 220) to a much smaller one in the Qing Dynasty (AD 1644–1911). Areas settled in former times differ morphologically from the dune landscape in satellite imagery because of flat relief along dried river courses. A review of archaeological literature reinforces the fact that in the lower reaches of the Keriya and Niya rivers, in the interior of the Taklamakan Desert, irrigated agriculture was widely practised from ca. 200 BC to ca. AD 500. A possible climatic change toward drier conditions at ca. AD 500 is suggested as the cause of the abandonment of the cities in the desert and for the initial drying of the formerly large Lop Nuer Lake. Copyright © 2006 John Wiley & Sons, Ltd.
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DOI: 10.1002/ldr.744
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ISTEX:311638017D612B8684D67B42A5A9888983381903Le document en format XML
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The southern and eastern Taklamakan Desert, one of the driest and ecologically most sensitive regions in China and characterized by a long history of human settlements, was chosen as the study area. A hydrological connection between the Keriya and Niya rivers in former times was recognized for the first time using satellite imagery. After transferring the notes and maps of historical times into a simplified modern map, it shows that the Lop Nuer decreased in size from a large lake in the Han Dynasty (206 BC to AD 220) to a much smaller one in the Qing Dynasty (AD 1644–1911). Areas settled in former times differ morphologically from the dune landscape in satellite imagery because of flat relief along dried river courses. A review of archaeological literature reinforces the fact that in the lower reaches of the Keriya and Niya rivers, in the interior of the Taklamakan Desert, irrigated agriculture was widely practised from ca. 200 BC to ca. AD 500. 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The southern and eastern Taklamakan Desert, one of the driest and ecologically most sensitive regions in China and characterized by a long history of human settlements, was chosen as the study area. A hydrological connection between the Keriya and Niya rivers in former times was recognized for the first time using satellite imagery. After transferring the notes and maps of historical times into a simplified modern map, it shows that the Lop Nuer decreased in size from a large lake in the Han Dynasty (206 BC to AD 220) to a much smaller one in the Qing Dynasty (AD 1644–1911). Areas settled in former times differ morphologically from the dune landscape in satellite imagery because of flat relief along dried river courses. A review of archaeological literature reinforces the fact that in the lower reaches of the Keriya and Niya rivers, in the interior of the Taklamakan Desert, irrigated agriculture was widely practised from ca. 200 BC to ca. AD 500. A possible climatic change toward drier conditions at ca. AD 500 is suggested as the cause of the abandonment of the cities in the desert and for the initial drying of the formerly large Lop Nuer Lake. 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D.</givenNames><familyName>White</familyName></personName></creator><creator xml:id="au5" creatorRole="author" affiliationRef="#af1"><personName><givenNames>X.</givenNames><familyName>Wang</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="CN" type="organization"><unparsedAffiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">land degradation</keyword><keyword xml:id="kwd2">hydrology</keyword><keyword xml:id="kwd3">oasis</keyword><keyword xml:id="kwd4">desert</keyword><keyword xml:id="kwd5">dryland</keyword><keyword xml:id="kwd6">agricultural history</keyword><keyword xml:id="kwd7">western China</keyword></keywordGroup><fundingInfo><fundingAgency>National Natural Science Foundation of China</fundingAgency><fundingNumber>40425011</fundingNumber><fundingNumber>40021202</fundingNumber><fundingNumber>40271118</fundingNumber></fundingInfo><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Using the combined methods of digital image processing of remote sensing data, a Geographical Information System (GIS) and analysis of historical books and maps, this paper aims to contribute to a better understanding of the processes and mechanisms of land‐use and land‐cover changes and hydrological variations during the last 2000 years in a hyper‐arid environment. The southern and eastern Taklamakan Desert, one of the driest and ecologically most sensitive regions in China and characterized by a long history of human settlements, was chosen as the study area. A hydrological connection between the Keriya and Niya rivers in former times was recognized for the first time using satellite imagery. After transferring the notes and maps of historical times into a simplified modern map, it shows that the Lop Nuer decreased in size from a large lake in the Han Dynasty (206 <sc>BC</sc> to <sc>AD</sc> 220) to a much smaller one in the Qing Dynasty (<sc>AD</sc> 1644–1911). Areas settled in former times differ morphologically from the dune landscape in satellite imagery because of flat relief along dried river courses. A review of archaeological literature reinforces the fact that in the lower reaches of the Keriya and Niya rivers, in the interior of the Taklamakan Desert, irrigated agriculture was widely practised from <i>ca</i>. 200 <sc>BC</sc> to <i>ca</i>. <sc>AD</sc> 500. A possible climatic change toward drier conditions at <i>ca.</i> <sc>AD</sc> 500 is suggested as the cause of the abandonment of the cities in the desert and for the initial drying of the formerly large Lop Nuer Lake. Copyright © 2006 John Wiley & Sons, Ltd.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Hydrological changes and land degradation in the southern and eastern Tarim basin, Xinjiang, China</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>LAND DEGRADATION IN THE TARIM BASIN</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Hydrological changes and land degradation in the southern and eastern Tarim basin, Xinjiang, China</title></titleInfo><name type="personal"><namePart type="given">X.</namePart><namePart type="family">Yang</namePart><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</affiliation><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, PO Box 9825, Beijing 100029, China.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Z.</namePart><namePart type="family">Liu</namePart><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">F.</namePart><namePart type="family">Zhang</namePart><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P. D.</namePart><namePart type="family">White</namePart><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">X.</namePart><namePart type="family">Wang</namePart><affiliation>Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China</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">2006-07</dateIssued><dateCaptured encoding="w3cdtf">2005-05-03</dateCaptured><dateValid encoding="w3cdtf">2005-10-25</dateValid><copyrightDate encoding="w3cdtf">2006</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">7</extent><extent unit="references">20</extent></physicalDescription><abstract lang="en">Using the combined methods of digital image processing of remote sensing data, a Geographical Information System (GIS) and analysis of historical books and maps, this paper aims to contribute to a better understanding of the processes and mechanisms of land‐use and land‐cover changes and hydrological variations during the last 2000 years in a hyper‐arid environment. The southern and eastern Taklamakan Desert, one of the driest and ecologically most sensitive regions in China and characterized by a long history of human settlements, was chosen as the study area. A hydrological connection between the Keriya and Niya rivers in former times was recognized for the first time using satellite imagery. After transferring the notes and maps of historical times into a simplified modern map, it shows that the Lop Nuer decreased in size from a large lake in the Han Dynasty (206 BC to AD 220) to a much smaller one in the Qing Dynasty (AD 1644–1911). Areas settled in former times differ morphologically from the dune landscape in satellite imagery because of flat relief along dried river courses. A review of archaeological literature reinforces the fact that in the lower reaches of the Keriya and Niya rivers, in the interior of the Taklamakan Desert, irrigated agriculture was widely practised from ca. 200 BC to ca. AD 500. A possible climatic change toward drier conditions at ca. AD 500 is suggested as the cause of the abandonment of the cities in the desert and for the initial drying of the formerly large Lop Nuer Lake. Copyright © 2006 John Wiley & Sons, Ltd.</abstract><note type="funding">National Natural Science Foundation of China - No. 40425011; No. 40021202; No. 40271118; </note><subject lang="en"><genre>keywords</genre><topic>land degradation</topic><topic>hydrology</topic><topic>oasis</topic><topic>desert</topic><topic>dryland</topic><topic>agricultural history</topic><topic>western China</topic></subject><relatedItem type="host"><titleInfo><title>Land Degradation & Development</title></titleInfo><titleInfo type="abbreviated"><title>Land Degrad. Dev.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Research Article</topic></subject><identifier type="ISSN">1085-3278</identifier><identifier type="eISSN">1099-145X</identifier><identifier type="DOI">10.1002/(ISSN)1099-145X</identifier><identifier type="PublisherID">LDR</identifier><part><date>2006</date><detail type="title"><title>Land Degradation in Changing Environments</title></detail><detail type="volume"><caption>vol.</caption><number>17</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>381</start><end>392</end><total>12</total></extent></part></relatedItem><identifier type="istex">311638017D612B8684D67B42A5A9888983381903</identifier><identifier type="DOI">10.1002/ldr.744</identifier><identifier type="ArticleID">LDR744</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2006 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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