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The Spatial Pattern and Temporal Stability of the Soil Water Content of Sloped Forestland on the Loess Plateau, China
Xu, Guoce1; Li, Zhanbin1,2; Li, Peng1; Zhang, Tiegang3; Chang, Enhao1; Wang, Feichao1; Yang, Wengang1; Cheng, Yuting1; Li, Rongrong1
2017-07-01
Source PublicationSOIL SCIENCE SOCIETY OF AMERICA JOURNAL
ISSN0361-5995
Volume81Issue:4Pages:902-914
Corresponding AuthorLi, Peng(lipeng74@163.com)
AbstractSoil water content (SWC) has a key role in the hydrological process and the distribution of vegetation in arid and semiarid regions. Understanding the temporal stability of SWC across a whole hillslope can help to better determine SWC dynamics and to understand changes in stable patterns of SWC affected by vegetative restoration. This study analyzed the temporal stability of the SWC distribution pattern at eight soil depths at intervals of 0.2 m based on 21 locations up a hillslope planted with Chinese pine (Pinus tabulaeformis Carr.). The dominant influencing factors responsible for the temporal stability of SWC distribution pattern during two periods (during 1 yr and during the rainy season) were examined. The results showed that the mean SWCs at each soil depth were low and showed moderate variability. The SWCs followed a normal distribution at each soil depth for each individual measurement. The SWC spatial pattern at each soil depth showed strong temporal stability for the two study periods. The temporal persistence of SWC generally showed an upward trend with increasing soil depth. The temporal stability of the SWC spatial pattern during the rainy season was stronger than that during the full year. The best representative location of SWC changed with soil depth, and the number of representative locations in different soil depths was not constant. The spatial mean SWCs could be estimated accurately by the best representative locations. The mean relative difference in SWC indicated a significant correlation only with soil particles and roots for both periods (p < 0.01). Elevation and soil organic C were the dominant factors influencing the temporal variability of SWC during the full year and during the rainy season, respectively. However, it is currently unfeasible to predict representative locations based on key influencing factors.
DOI10.2136/sssaj2016.10.0331
WOS KeywordSEMIARID STEPPE ; MULTIVARIATE GEOSTATISTICS ; VERTICAL-DISTRIBUTION ; COMPLEX TERRAIN ; TIME STABILITY ; NEUTRON PROBE ; FIELD-SCALE ; LAND USES ; MOISTURE ; VARIABILITY
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundations of China[41330858] ; National Natural Science Foundations of China[41401316] ; National Natural Science Foundations of China[41471226] ; National key research and development program[2016YFC0402404] ; New Star Foundation on Shaanxi Province Youth Science and Technology[2016KJXX-68] ; Key Laboratory Scientific Research Program - Shaanxi Provincial Education Department[15JS065] ; Postdoctoral Science Foundation of Shaanxi Province
Funding OrganizationNational Natural Science Foundations of China ; National key research and development program ; New Star Foundation on Shaanxi Province Youth Science and Technology ; Key Laboratory Scientific Research Program - Shaanxi Provincial Education Department ; Postdoctoral Science Foundation of Shaanxi Province
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000409298400020
PublisherSOIL SCI SOC AMER
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/61770
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Peng
Affiliation1.Xian Univ Technol, State Key Lab Base Ecohydraul Engn Arid Area, Xian 710048, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
3.Minist Water Resources, Inst Water Resources Pastoral Area, Hohhot 010020, Inner Mongolia, Peoples R China
Recommended Citation
GB/T 7714
Xu, Guoce,Li, Zhanbin,Li, Peng,et al. The Spatial Pattern and Temporal Stability of the Soil Water Content of Sloped Forestland on the Loess Plateau, China[J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,2017,81(4):902-914.
APA Xu, Guoce.,Li, Zhanbin.,Li, Peng.,Zhang, Tiegang.,Chang, Enhao.,...&Li, Rongrong.(2017).The Spatial Pattern and Temporal Stability of the Soil Water Content of Sloped Forestland on the Loess Plateau, China.SOIL SCIENCE SOCIETY OF AMERICA JOURNAL,81(4),902-914.
MLA Xu, Guoce,et al."The Spatial Pattern and Temporal Stability of the Soil Water Content of Sloped Forestland on the Loess Plateau, China".SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 81.4(2017):902-914.
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