Saturated hydraulic conductivity of soils in the Horqin Sand Land of Inner Mongolia, northern China.
Identifieur interne : 002497 ( Main/Exploration ); précédent : 002496; suivant : 002498Saturated hydraulic conductivity of soils in the Horqin Sand Land of Inner Mongolia, northern China.
Auteurs : Shuxia Yao [République populaire de Chine] ; Tonghui Zhang ; Chuancheng Zhao ; Xinping LiuSource :
- Environmental monitoring and assessment [ 1573-2959 ] ; 2013.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Nappe phréatique.
- composition chimique : Sol.
- Chine, Climat désertique, Conservation des ressources naturelles, Mouvements de l'eau, Surveillance de l'environnement.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- analysis : Groundwater.
- China, Conservation of Natural Resources, Desert Climate, Environmental Monitoring, Water Movements.
Abstract
Water is a limiting factor to plant growth in Horqin Sand Land of China. Knowledge of soil saturated hydraulic conductivity (K(sat)) is of importance because K(sat) influences soil evaporation and water cycling at various scales. In order to analyze the variation of K(sat) along with sand types and soil depths, and its relationship with soil physiochemical properties, six typical lands were chosen, including mobile dune, fixed dune, pine woodland, poplar woodland, grassland, and cropland, and K(sat) was measured in situ by Guelph Permeameter at each type of land. Soil bulk density, organic matter content, and soil particle size distribution were determined in parallel with K(sat) measurement. The results showed that (1) The averaged K(sat) was decreased in the order: mobile dune > fixed dune > pine woodland > poplar woodland > grassland > cropland; changes in K(sat) varied considerably as soil depth increased, e.g., the changes of K(sat) along with soil depth in fixed dune was fitted by exponential model, but it was fitted by parabola model in the pine woodland and grassland. (2) The K(sat) values of fixed dune and mobile dune were varied considerably among three slope positions (dune top, windward slope, and leeward slope). (3) The relationships of K(sat) and soil physiochemical property revealed that soil bulk density, organic matter content, and coarse sand fraction (2∼0.1 mm) were the key factors affecting K(sat) in Horqin Sand Land. Compared with clay and silt content proportion, sand fraction in this region showed a more significant positive correlation with K(sat).
DOI: 10.1007/s10661-012-3002-5
PubMed: 23179727
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Knowledge of soil saturated hydraulic conductivity (K(sat)) is of importance because K(sat) influences soil evaporation and water cycling at various scales. In order to analyze the variation of K(sat) along with sand types and soil depths, and its relationship with soil physiochemical properties, six typical lands were chosen, including mobile dune, fixed dune, pine woodland, poplar woodland, grassland, and cropland, and K(sat) was measured in situ by Guelph Permeameter at each type of land. Soil bulk density, organic matter content, and soil particle size distribution were determined in parallel with K(sat) measurement. The results showed that (1) The averaged K(sat) was decreased in the order: mobile dune > fixed dune > pine woodland > poplar woodland > grassland > cropland; changes in K(sat) varied considerably as soil depth increased, e.g., the changes of K(sat) along with soil depth in fixed dune was fitted by exponential model, but it was fitted by parabola model in the pine woodland and grassland. (2) The K(sat) values of fixed dune and mobile dune were varied considerably among three slope positions (dune top, windward slope, and leeward slope). (3) The relationships of K(sat) and soil physiochemical property revealed that soil bulk density, organic matter content, and coarse sand fraction (2∼0.1 mm) were the key factors affecting K(sat) in Horqin Sand Land. Compared with clay and silt content proportion, sand fraction in this region showed a more significant positive correlation with K(sat).</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23179727</PMID><DateCompleted><Year>2013</Year><Month>09</Month><Day>05</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1573-2959</ISSN><JournalIssue CitedMedium="Internet"><Volume>185</Volume><Issue>7</Issue><PubDate><Year>2013</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Environmental monitoring and assessment</Title><ISOAbbreviation>Environ Monit Assess</ISOAbbreviation></Journal><ArticleTitle>Saturated hydraulic conductivity of soils in the Horqin Sand Land of Inner Mongolia, northern China.</ArticleTitle><Pagination><MedlinePgn>6013-21</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s10661-012-3002-5</ELocationID><Abstract><AbstractText>Water is a limiting factor to plant growth in Horqin Sand Land of China. Knowledge of soil saturated hydraulic conductivity (K(sat)) is of importance because K(sat) influences soil evaporation and water cycling at various scales. In order to analyze the variation of K(sat) along with sand types and soil depths, and its relationship with soil physiochemical properties, six typical lands were chosen, including mobile dune, fixed dune, pine woodland, poplar woodland, grassland, and cropland, and K(sat) was measured in situ by Guelph Permeameter at each type of land. Soil bulk density, organic matter content, and soil particle size distribution were determined in parallel with K(sat) measurement. The results showed that (1) The averaged K(sat) was decreased in the order: mobile dune > fixed dune > pine woodland > poplar woodland > grassland > cropland; changes in K(sat) varied considerably as soil depth increased, e.g., the changes of K(sat) along with soil depth in fixed dune was fitted by exponential model, but it was fitted by parabola model in the pine woodland and grassland. (2) The K(sat) values of fixed dune and mobile dune were varied considerably among three slope positions (dune top, windward slope, and leeward slope). (3) The relationships of K(sat) and soil physiochemical property revealed that soil bulk density, organic matter content, and coarse sand fraction (2∼0.1 mm) were the key factors affecting K(sat) in Horqin Sand Land. Compared with clay and silt content proportion, sand fraction in this region showed a more significant positive correlation with K(sat).</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Yao</LastName><ForeName>Shuxia</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Cold and Arid Regions of Environmental and Engineering Research Institute, Chinese Academy of Sciences, 320 Donggang West Road, Lanzhou, 730000, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Tonghui</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Zhao</LastName><ForeName>Chuancheng</ForeName><Initials>C</Initials></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Xinping</ForeName><Initials>X</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2012</Year><Month>11</Month><Day>24</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Environ Monit Assess</MedlineTA><NlmUniqueID>8508350</NlmUniqueID><ISSNLinking>0167-6369</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003247" MajorTopicYN="N">Conservation of Natural Resources</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003889" MajorTopicYN="N">Desert Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004784" MajorTopicYN="N">Environmental Monitoring</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D060587" MajorTopicYN="N">Groundwater</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014872" MajorTopicYN="N">Water Movements</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>07</Month><Day>27</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>11</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>11</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>11</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>9</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23179727</ArticleId><ArticleId IdType="doi">10.1007/s10661-012-3002-5</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Liu, Xinping" sort="Liu, Xinping" uniqKey="Liu X" first="Xinping" last="Liu">Xinping Liu</name><name sortKey="Zhang, Tonghui" sort="Zhang, Tonghui" uniqKey="Zhang T" first="Tonghui" last="Zhang">Tonghui Zhang</name><name sortKey="Zhao, Chuancheng" sort="Zhao, Chuancheng" uniqKey="Zhao C" first="Chuancheng" last="Zhao">Chuancheng Zhao</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Yao, Shuxia" sort="Yao, Shuxia" uniqKey="Yao S" first="Shuxia" last="Yao">Shuxia Yao</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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