[Oxygen and hydrogen stable isotope compositions of soil water in deep loess profile under different land use types of northern Shaanxi, China].
Identifieur interne : 000626 ( Main/Exploration ); précédent : 000625; suivant : 000627[Oxygen and hydrogen stable isotope compositions of soil water in deep loess profile under different land use types of northern Shaanxi, China].
Auteurs : Wang-Jia Ji [République populaire de Chine] ; Ya-Nan Huang [République populaire de Chine] ; Bing-Bing Li [République populaire de Chine] ; Zhi Li [République populaire de Chine]Source :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2019.
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Abstract
Investigation of stable isotope composition under different land use types is helpful for understanding soil water movement and hydrological effects of land use change. We collected soil samples in profiles ＞ 15 m deep under four land use types (i.e. farmland, grassland, Salix cheilophila and Populus sp.) in the loess deposits of northern Shaanxi. We measured hydrogen and oxygen stable isotope composition of soil water to explore the mechanism of soil water movement and the impacts of land use types. The isotope compositions of soil water under four land use types were significantly different. The δD values of soil water under farmland, grassland, S. cheilophila and Populus sp. were -81.1‰--60.1‰, -91.2‰--61.0‰, -87.4‰--63.6‰ and -73.5‰--62.2‰, while the δ18O values were -11.2‰--7.6‰, -12.6‰--8.2‰, -11.5‰--8.1‰ and -9.9‰--7.7‰, respectively. The soil water stable isotopes fluctuated across the profiles. The soil water isotope compositions in the layers of 0-3 m changed sharply, with the δD values being -80.2‰--61.8‰, -75.9‰--65.5‰, -76.0‰--63.6‰ and -73.5‰--62.2‰, respectively. In the layers of 3-12 m, the isotope profiles of farmland and grassland were parabolic, whereas those of S. cheilophila and Populus sp. were relatively stable. Soil water isotope compositions in the layers deeper than 12 m were generally stable with the δD values of -80.8‰--71.5‰, -83.0‰--67.5‰, -87.4‰--76.0‰ and -67.5‰--64.3‰, respectively. Across the four land use types, soil water stable isotope compositions were not significantly different either in the shallow layers or in the deep soil layers, but their differences in the layers of 3-12 m were significant. Soil moisture was mainly recharged from precipitation with piston flow as the main form of soil water movement. Soil water under four land use types might be recharged by wet events of different intensities. Soil water under farmland and grassland could be recharged by wet events of small intensity, but that under S. cheilophila and Populus sp. may be mainly recharged by the rainstorm in summer and autumn.
DOI: 10.13287/j.1001-9332.201912.020
PubMed: 31840459
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wicri:level="1"><nlm:affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi</wicri:regionArea><wicri:noRegion>Shaanxi</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2019">2019</date><idno type="RBID">pubmed:31840459</idno><idno type="pmid">31840459</idno><idno type="doi">10.13287/j.1001-9332.201912.020</idno><idno type="wicri:Area/Main/Corpus">000561</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">000561</idno><idno type="wicri:Area/Main/Curation">000561</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">000561</idno><idno type="wicri:Area/Main/Exploration">000561</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">[Oxygen and hydrogen stable isotope compositions of soil water in deep loess profile under different land use types of northern Shaanxi, China].</title><author><name sortKey="Ji, Wang Jia" sort="Ji, Wang Jia" uniqKey="Ji W" first="Wang-Jia" last="Ji">Wang-Jia Ji</name><affiliation wicri:level="1"><nlm:affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi</wicri:regionArea><wicri:noRegion>Shaanxi</wicri:noRegion></affiliation></author><author><name sortKey="Huang, Ya Nan" sort="Huang, Ya Nan" uniqKey="Huang Y" first="Ya-Nan" last="Huang">Ya-Nan Huang</name><affiliation wicri:level="1"><nlm:affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi</wicri:regionArea><wicri:noRegion>Shaanxi</wicri:noRegion></affiliation></author><author><name sortKey="Li, Bing Bing" sort="Li, Bing Bing" uniqKey="Li B" first="Bing-Bing" last="Li">Bing-Bing Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi</wicri:regionArea><wicri:noRegion>Shaanxi</wicri:noRegion></affiliation></author><author><name sortKey="Li, Zhi" sort="Li, Zhi" uniqKey="Li Z" first="Zhi" last="Li">Zhi Li</name><affiliation wicri:level="1"><nlm:affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi</wicri:regionArea><wicri:noRegion>Shaanxi</wicri:noRegion></affiliation></author></analytic><series><title level="j">Ying yong sheng tai xue bao = The journal of applied ecology</title><idno type="ISSN">1001-9332</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>China (MeSH)</term><term>Hydrogen (MeSH)</term><term>Oxygen (MeSH)</term><term>Soil (MeSH)</term><term>Water (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Chine (MeSH)</term><term>Eau (MeSH)</term><term>Hydrogène (MeSH)</term><term>Oxygène (MeSH)</term><term>Sol (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Hydrogen</term><term>Oxygen</term><term>Soil</term><term>Water</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Chine</term><term>Eau</term><term>Hydrogène</term><term>Oxygène</term><term>Sol</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>République populaire de Chine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Investigation of stable isotope composition under different land use types is helpful for understanding soil water movement and hydrological effects of land use change. We collected soil samples in profiles ＞ 15 m deep under four land use types (i.e. farmland, grassland, Salix cheilophila and Populus sp.) in the loess deposits of northern Shaanxi. We measured hydrogen and oxygen stable isotope composition of soil water to explore the mechanism of soil water movement and the impacts of land use types. The isotope compositions of soil water under four land use types were significantly different. The δD values of soil water under farmland, grassland, S. cheilophila and Populus sp. were -81.1‰--60.1‰, -91.2‰--61.0‰, -87.4‰--63.6‰ and -73.5‰--62.2‰, while the δ<sup>18</sup>O values were -11.2‰--7.6‰, -12.6‰--8.2‰, -11.5‰--8.1‰ and -9.9‰--7.7‰, respectively. The soil water stable isotopes fluctuated across the profiles. The soil water isotope compositions in the layers of 0-3 m changed sharply, with the δD values being -80.2‰--61.8‰, -75.9‰--65.5‰, -76.0‰--63.6‰ and -73.5‰--62.2‰, respectively. In the layers of 3-12 m, the isotope profiles of farmland and grassland were parabolic, whereas those of S. cheilophila and Populus sp. were relatively stable. Soil water isotope compositions in the layers deeper than 12 m were generally stable with the δD values of -80.8‰--71.5‰, -83.0‰--67.5‰, -87.4‰--76.0‰ and -67.5‰--64.3‰, respectively. Across the four land use types, soil water stable isotope compositions were not significantly different either in the shallow layers or in the deep soil layers, but their differences in the layers of 3-12 m were significant. Soil moisture was mainly recharged from precipitation with piston flow as the main form of soil water movement. Soil water under four land use types might be recharged by wet events of different intensities. Soil water under farmland and grassland could be recharged by wet events of small intensity, but that under S. cheilophila and Populus sp. may be mainly recharged by the rainstorm in summer and autumn.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Automated" Owner="NLM"><PMID Version="1">31840459</PMID><DateCompleted><Year>2019</Year><Month>12</Month><Day>17</Day></DateCompleted><DateRevised><Year>2020</Year><Month>01</Month><Day>08</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1001-9332</ISSN><JournalIssue CitedMedium="Print"><Volume>30</Volume><Issue>12</Issue><PubDate><Year>2019</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Ying yong sheng tai xue bao = The journal of applied ecology</Title><ISOAbbreviation>Ying Yong Sheng Tai Xue Bao</ISOAbbreviation></Journal><ArticleTitle>[Oxygen and hydrogen stable isotope compositions of soil water in deep loess profile under different land use types of northern Shaanxi, China].</ArticleTitle><Pagination><MedlinePgn>4143-4149</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.13287/j.1001-9332.201912.020</ELocationID><Abstract><AbstractText>Investigation of stable isotope composition under different land use types is helpful for understanding soil water movement and hydrological effects of land use change. We collected soil samples in profiles ＞ 15 m deep under four land use types (i.e. farmland, grassland, Salix cheilophila and Populus sp.) in the loess deposits of northern Shaanxi. We measured hydrogen and oxygen stable isotope composition of soil water to explore the mechanism of soil water movement and the impacts of land use types. The isotope compositions of soil water under four land use types were significantly different. The δD values of soil water under farmland, grassland, S. cheilophila and Populus sp. were -81.1‰--60.1‰, -91.2‰--61.0‰, -87.4‰--63.6‰ and -73.5‰--62.2‰, while the δ<sup>18</sup>O values were -11.2‰--7.6‰, -12.6‰--8.2‰, -11.5‰--8.1‰ and -9.9‰--7.7‰, respectively. The soil water stable isotopes fluctuated across the profiles. The soil water isotope compositions in the layers of 0-3 m changed sharply, with the δD values being -80.2‰--61.8‰, -75.9‰--65.5‰, -76.0‰--63.6‰ and -73.5‰--62.2‰, respectively. In the layers of 3-12 m, the isotope profiles of farmland and grassland were parabolic, whereas those of S. cheilophila and Populus sp. were relatively stable. Soil water isotope compositions in the layers deeper than 12 m were generally stable with the δD values of -80.8‰--71.5‰, -83.0‰--67.5‰, -87.4‰--76.0‰ and -67.5‰--64.3‰, respectively. Across the four land use types, soil water stable isotope compositions were not significantly different either in the shallow layers or in the deep soil layers, but their differences in the layers of 3-12 m were significant. Soil moisture was mainly recharged from precipitation with piston flow as the main form of soil water movement. Soil water under four land use types might be recharged by wet events of different intensities. Soil water under farmland and grassland could be recharged by wet events of small intensity, but that under S. cheilophila and Populus sp. may be mainly recharged by the rainstorm in summer and autumn.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ji</LastName><ForeName>Wang-Jia</ForeName><Initials>WJ</Initials><AffiliationInfo><Affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Ya-Nan</ForeName><Initials>YN</Initials><AffiliationInfo><Affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Bing-Bing</ForeName><Initials>BB</Initials><AffiliationInfo><Affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Zhi</ForeName><Initials>Z</Initials><AffiliationInfo><Affiliation>College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, Shaanxi, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>chi</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><VernacularTitle>陕北黄土区深剖面不同土地利用方式下土壤水氢氧稳定同位素特征.</VernacularTitle></Article><MedlineJournalInfo><Country>China</Country><MedlineTA>Ying Yong Sheng Tai Xue Bao</MedlineTA><NlmUniqueID>9425159</NlmUniqueID><ISSNLinking>1001-9332</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>7YNJ3PO35Z</RegistryNumber><NameOfSubstance UI="D006859">Hydrogen</NameOfSubstance></Chemical><Chemical><RegistryNumber>S88TT14065</RegistryNumber><NameOfSubstance UI="D010100">Oxygen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N" Type="Geographic">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006859" MajorTopicYN="N">Hydrogen</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010100" MajorTopicYN="N">Oxygen</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="Y">Soil</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="Y">Water</DescriptorName></MeshHeading></MeshHeadingList><OtherAbstract Type="Publisher" Language="chi"><AbstractText>研究不同利用方式下的土壤水分稳定同位素组成有助于理解土壤水分运动过程,且可以分析土地利用变化的水文效应.本研究采集陕北黄土区4种土地利用方式(农地、草地、沙柳和杨树)下＞15 m深的土样,测定土壤水的氢氧稳定同位素组成,探究土壤水分运动机制并分析土地利用方式的影响.结果表明: 4种土地利用方式下土壤水氢氧稳定同位素组成特征具有显著差异.农地、草地、沙柳地和杨树地土壤水δD分别在-81.1‰～-60.1‰、-91.2‰～-61.0‰、-87.4‰～-63.6‰和-73.5‰～-62.2‰,δ<sup>18</sup>O分别在-11.2‰～-7.6‰、-12.6‰～-8.2‰、-11.5‰～-8.1‰和-9.9‰～-7.7‰.土壤水氢氧稳定同位素垂直分布均呈波动变化:浅层(活跃层,0～3 m)土壤水氢氧稳定同位素变化剧烈,δD值分别在-80.2‰～-61.8‰、-75.9‰～-65.5‰、-76.0‰～-63.6‰和-73.5‰～-62.2‰;中层(3～12 m)农地和草地氢氧稳定同位素剖面呈抛物线型,而沙柳地和杨树地相对稳定;但深层(12 m以下)土壤水氢氧稳定同位素值基本稳定,δD值分别在-80.8‰～-71.5‰、-83.0‰～-67.5‰、-87.4‰～-76.0‰和-67.5‰～-64.3‰.4个样地土壤水氢氧稳定同位素值在浅层和深层土壤均无明显差异,而在中层差异较大.土壤水分主要来自降水.活塞流可能是土壤水分运动的主导方式.不同样地土壤水可能接受不同强度降水的补给,农地和草地也可被强度小的降水事件补给,而沙柳地和杨树地可能主要接受夏秋季暴雨补给.</AbstractText></OtherAbstract><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">hydrogen and oxygen stable isotopes</Keyword><Keyword MajorTopicYN="N">land use change</Keyword><Keyword MajorTopicYN="N">loess area</Keyword><Keyword MajorTopicYN="N">soil water movement</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>12</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31840459</ArticleId><ArticleId IdType="doi">10.13287/j.1001-9332.201912.020</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Ji, Wang Jia" sort="Ji, Wang Jia" uniqKey="Ji W" first="Wang-Jia" last="Ji">Wang-Jia Ji</name></noRegion><name sortKey="Huang, Ya Nan" sort="Huang, Ya Nan" uniqKey="Huang Y" first="Ya-Nan" last="Huang">Ya-Nan Huang</name><name sortKey="Li, Bing Bing" sort="Li, Bing Bing" uniqKey="Li B" first="Bing-Bing" last="Li">Bing-Bing Li</name><name sortKey="Li, Zhi" sort="Li, Zhi" uniqKey="Li Z" first="Zhi" last="Li">Zhi Li</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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