期刊
JOURNAL OF HYDROLOGY
卷 516, 期 -, 页码 76-96出版社
ELSEVIER
DOI: 10.1016/j.jhydrol.2013.11.061
关键词
Soil moisture; Spatial variability; Temporal variability; Modeling; Optimal design
In this paper, we review the state of the art of characterizing and analyzing spatio-temporal dynamics of soil moisture content at the field scale. We discuss measurement techniques that have become available in recent years and that provide unique opportunities to characterize field scale soil moisture variability with high spatial and/or temporal resolution. These include soil moisture sensor networks, hydrogeo-physical measurement techniques, novel remote sensing platforms, and cosmic ray probes. Techniques and methods to analyze soil moisture fields are briefly discussed and include temporal stability analysis, wavelet analysis and empirical orthogonal functions. We revisit local and non-local controls on field scale soil moisture dynamics and discuss approaches to model these dynamics at the field scale. Finally, we address the topic of optimal measurement design and provide an outlook and future research perspectives. (C) 2013 Elsevier B.V. All rights reserved.
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