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Factors influencing soil moisture in the Loess Plateau, China: a review

Published online by Cambridge University Press:  10 October 2018

Wenwu ZHAO ,
Xuening FANG ,
Stefani DARYANTO ,
Xiao ZHANG  and
Yaping WANG
Wenwu ZHAO*
Affiliation:
State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China. Email: zhaoww@bnu.edu.cn Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
Xuening FANG
Affiliation:
State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China. Email: zhaoww@bnu.edu.cn Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
Stefani DARYANTO
Affiliation:
Department of Earth Sciences, Indiana University-Purdue University, Indianapolis (IUPUI), Indianapolis, Indiana 46202, USA.
Xiao ZHANG
Affiliation:
State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China. Email: zhaoww@bnu.edu.cn Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
Yaping WANG*
Affiliation:
State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China. Email: zhaoww@bnu.edu.cn Institute of Land Surface System and Sustainable Development, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.
*
*Corresponding authors
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Abstract

Soil moisture is a key issue for eco-hydrological research in arid and semi-arid regions, and is primarily concerned with water availability for vegetation. Shallow and deep soil moisture occurs according to the maximum infiltration depth. Soil moisture has three-dimensional characteristics: inter-layer variability, horizontal heterogeneity and temporal variability. Soil moisture is affected by various factors including terrain, soil characteristics, climate and vegetation, and the effects of these change with time (e.g., rainfall patterns) and space (e.g., soil depth). In arid and semi-arid regions, deep soil moisture is of particular importance to vegetation restoration and the evaluation of vegetation sustainability; however, accurate prediction of the spatial distribution of deep soil moisture in the Loess Plateau of China still faces numerous challenges. Therefore, future research should focus on the mechanisms, models and scale effects of soil moisture, particularly for deep soil moisture.

Keywords

arid and semi-arid regionsdeep soil moisturelandscape hydrologyrestorationscaleshallow soil moisture
Type
Articles
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 109 , Issue 3-4: Earth Surface Processes and Environmental Sustainability in China , September 2018 , pp. 501 - 509
Copyright
Copyright © The Royal Society of Edinburgh 2018 

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