Dynamics of deep soil moisture in response to vegetational restoration on the Loess Plateau of China
Jia, YH; Shao, MA
2014
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume519Pages:523-531
AbstractThe limitation of soil water in semiarid regions restricts the formation of a good cover of vegetation. The Loess Plateau in China, well known for its severe soil erosion, has a thick loessial soil that holds substantial volumes of water and provides the basis of a sustainable restoration of vegetation. Our limited understanding of the dynamics of deep soil moisture, however, could lead to the mismanagement of soil water resources or could even misguide the policies of vegetational reconstruction. To evaluate the temporal response of deep soil moisture in different types of revegetation, we observed soil moisture to a depth of 340 cm in four plots, planted with Korshinsk peashrub (MOP), purple alfalfa (ALF), native plants (natural fallow, NAF), and millet (MIL), on 15 measurement events from 2010 to 2012. Our analysis provided four main conclusions. (1) The quantitative difference of potential evapotranspiration and actual precipitation resulted in natural deficits of soil moisture. The dynamics of deep soil moisture, however, were mainly dominated by the type of vegetation. Deep soils in plots of MOP and ALF became drier than the soil in plots of NAF and MIL. (2) Deep soil moisture in MOP and ALF was weakly variable. Correlations of time series of soil moisture between the upper and lower layers tended not to be significant. Dried soil layer, a special hydrological phenomenon, had formed in the plots. (3) The correlation between variances of soil moisture and the corresponding mean values were not always significantly positive due to the influence of vegetational type, observational depth, and date. (4) Fallow may be the best cover for achieving adequate hydrological sustainability of the soil. These results are expected to help improve the understanding of the response of deep soil moisture to vegetational restoration and to provide insight into the dynamics of deep soil moisture influenced by vegetation on loessial slopes. (C) 2014 Published by Elsevier B.V.
SubtypeJournal
KeywordRunoff plot Grain for Green Spatial pattern Volumetric soil water content Spatiotemporal variation
Subject AreaEngineering ; Geology ; Water Resources
WOS Subject ExtendedEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS KeywordWATER-CONTENT ; TEMPORAL STABILITY ; SPATIAL-PATTERN ; ORGANIC-MATTER ; GREEN PROJECT ; ANSAI COUNTY ; LAND-USE ; SURFACE ; HILLSLOPE ; TRANSECT
Indexed BySCI
Language英语
WOS IDWOS:000347589500043
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44488
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Jia, YH,Shao, MA. Dynamics of deep soil moisture in response to vegetational restoration on the Loess Plateau of China[J]. JOURNAL OF HYDROLOGY,2014,519:523-531.
APA Jia, YH,&Shao, MA.(2014).Dynamics of deep soil moisture in response to vegetational restoration on the Loess Plateau of China.JOURNAL OF HYDROLOGY,519,523-531.
MLA Jia, YH,et al."Dynamics of deep soil moisture in response to vegetational restoration on the Loess Plateau of China".JOURNAL OF HYDROLOGY 519(2014):523-531.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Jia, YH]'s Articles
[Shao, MA]'s Articles
Baidu academic
Similar articles in Baidu academic
[Jia, YH]'s Articles
[Shao, MA]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Jia, YH]'s Articles
[Shao, MA]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.