[Generation mechanism of woodland runoff and sediment on Loess Plateau under hypo-rainfall--a case study of artificial P. tabulaeformis and secondary natural P. dadidiana stands].
Identifieur interne : 003F08 ( Main/Corpus ); précédent : 003F07; suivant : 003F09[Generation mechanism of woodland runoff and sediment on Loess Plateau under hypo-rainfall--a case study of artificial P. tabulaeformis and secondary natural P. dadidiana stands].
Auteurs : Chengzhong Pan ; Zhouping ShangguanSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2005.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Silicon Dioxide, Soil, Water.
- analysis : Geologic Sediments.
- growth & development : Pinus, Populus.
- Rain.
Abstract
Based on the long-term observation and from the viewpoints of water balance and runoff-and sediment generation, this paper studied the generation processes of runoff and sediment on two typical woodlands, artificial P. tabulaeformis and secondary natural P. dadidiana, and uncultivated slope-land in Loess Plateau under hypo-rainfall. The results showed that within the range of 5.0 - 50.0 mm rainfall, the total interception of canopy and litter was 15.45 % - 56.80 % for P. tabulaeformis and 20.56% - 47.81% for P. dadidiana, and decreased with increasing rainfall. Woodlands had a higher soil water infiltration capacity than uncultivated slope-land, especially in 0-20 cm soil layer. Both the two woodlands did not generate runoff under regular rainfall. Under the assumed rainfall of 2.5 mm x min(-1) intensity and 30 min duration, P. dadidiana stand did not produce runoff, but the runoff velocity and sediment-carrying capacity of uncultivated slope-land were 23.5 times, and runoff shearing stress and energy were 8 times as much as P. tabulaeformis stand. The runoff-and sediment generation on P. tabulaeformis stand decreased by 87.6% and 99.4%, respectively, compared with those on uncultivated slopeland, which was well accorded with the average observed value in runoff plots during 1988 - 2000. The theoretical analysis on the generation mechanism of woodland runoff and sediment may be effective to evaluate the benefits of forest in soil and water conservation.
PubMed: 16355768
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">[Generation mechanism of woodland runoff and sediment on Loess Plateau under hypo-rainfall--a case study of artificial P. tabulaeformis and secondary natural P. dadidiana stands].</title><author><name sortKey="Pan, Chengzhong" sort="Pan, Chengzhong" uniqKey="Pan C" first="Chengzhong" last="Pan">Chengzhong Pan</name><affiliation><nlm:affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Instiute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling 712100, China. mlpcz@sina.com</nlm:affiliation></affiliation></author><author><name sortKey="Shangguan, Zhouping" sort="Shangguan, Zhouping" uniqKey="Shangguan Z" first="Zhouping" last="Shangguan">Zhouping Shangguan</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:16355768</idno><idno type="pmid">16355768</idno><idno type="wicri:Area/Main/Corpus">003F08</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003F08</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">[Generation mechanism of woodland runoff and sediment on Loess Plateau under hypo-rainfall--a case study of artificial P. tabulaeformis and secondary natural P. dadidiana stands].</title><author><name sortKey="Pan, Chengzhong" sort="Pan, Chengzhong" uniqKey="Pan C" first="Chengzhong" last="Pan">Chengzhong Pan</name><affiliation><nlm:affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Instiute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling 712100, China. mlpcz@sina.com</nlm:affiliation></affiliation></author><author><name sortKey="Shangguan, Zhouping" sort="Shangguan, Zhouping" uniqKey="Shangguan Z" first="Zhouping" last="Shangguan">Zhouping Shangguan</name></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="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Geologic Sediments (analysis)</term><term>Pinus (growth & development)</term><term>Populus (growth & development)</term><term>Rain (MeSH)</term><term>Silicon Dioxide (analysis)</term><term>Soil (analysis)</term><term>Water (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Silicon Dioxide</term><term>Soil</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Geologic Sediments</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Pinus</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Rain</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Based on the long-term observation and from the viewpoints of water balance and runoff-and sediment generation, this paper studied the generation processes of runoff and sediment on two typical woodlands, artificial P. tabulaeformis and secondary natural P. dadidiana, and uncultivated slope-land in Loess Plateau under hypo-rainfall. The results showed that within the range of 5.0 - 50.0 mm rainfall, the total interception of canopy and litter was 15.45 % - 56.80 % for P. tabulaeformis and 20.56% - 47.81% for P. dadidiana, and decreased with increasing rainfall. Woodlands had a higher soil water infiltration capacity than uncultivated slope-land, especially in 0-20 cm soil layer. Both the two woodlands did not generate runoff under regular rainfall. Under the assumed rainfall of 2.5 mm x min(-1) intensity and 30 min duration, P. dadidiana stand did not produce runoff, but the runoff velocity and sediment-carrying capacity of uncultivated slope-land were 23.5 times, and runoff shearing stress and energy were 8 times as much as P. tabulaeformis stand. The runoff-and sediment generation on P. tabulaeformis stand decreased by 87.6% and 99.4%, respectively, compared with those on uncultivated slopeland, which was well accorded with the average observed value in runoff plots during 1988 - 2000. The theoretical analysis on the generation mechanism of woodland runoff and sediment may be effective to evaluate the benefits of forest in soil and water conservation.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16355768</PMID><DateCompleted><Year>2007</Year><Month>01</Month><Day>26</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1001-9332</ISSN><JournalIssue CitedMedium="Print"><Volume>16</Volume><Issue>9</Issue><PubDate><Year>2005</Year><Month>Sep</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>[Generation mechanism of woodland runoff and sediment on Loess Plateau under hypo-rainfall--a case study of artificial P. tabulaeformis and secondary natural P. dadidiana stands].</ArticleTitle><Pagination><MedlinePgn>1597-602</MedlinePgn></Pagination><Abstract><AbstractText>Based on the long-term observation and from the viewpoints of water balance and runoff-and sediment generation, this paper studied the generation processes of runoff and sediment on two typical woodlands, artificial P. tabulaeformis and secondary natural P. dadidiana, and uncultivated slope-land in Loess Plateau under hypo-rainfall. The results showed that within the range of 5.0 - 50.0 mm rainfall, the total interception of canopy and litter was 15.45 % - 56.80 % for P. tabulaeformis and 20.56% - 47.81% for P. dadidiana, and decreased with increasing rainfall. Woodlands had a higher soil water infiltration capacity than uncultivated slope-land, especially in 0-20 cm soil layer. Both the two woodlands did not generate runoff under regular rainfall. Under the assumed rainfall of 2.5 mm x min(-1) intensity and 30 min duration, P. dadidiana stand did not produce runoff, but the runoff velocity and sediment-carrying capacity of uncultivated slope-land were 23.5 times, and runoff shearing stress and energy were 8 times as much as P. tabulaeformis stand. The runoff-and sediment generation on P. tabulaeformis stand decreased by 87.6% and 99.4%, respectively, compared with those on uncultivated slopeland, which was well accorded with the average observed value in runoff plots during 1988 - 2000. The theoretical analysis on the generation mechanism of woodland runoff and sediment may be effective to evaluate the benefits of forest in soil and water conservation.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pan</LastName><ForeName>Chengzhong</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Instiute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling 712100, China. mlpcz@sina.com</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Shangguan</LastName><ForeName>Zhouping</ForeName><Initials>Z</Initials></Author></AuthorList><Language>chi</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></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>7631-86-9</RegistryNumber><NameOfSubstance UI="D012822">Silicon Dioxide</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D019015" MajorTopicYN="N">Geologic Sediments</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D028223" MajorTopicYN="N">Pinus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011891" MajorTopicYN="Y">Rain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012822" MajorTopicYN="N">Silicon Dioxide</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>1</Month><Day>27</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16355768</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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