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Temporal patterns and spatial scale of soil water variability in a small humid catchment

Zhang, Tielin LU orcid and Berndtsson, Ronny LU orcid (1988) In Journal of Hydrology 104(1-4). p.111-128
Abstract

Temporal and spatial variability of soil water content on mainly two different scales is visualized by means of correlation analyses. The soil water data were collected at seven sites for a period of about ten years. The spatial variability of soil water in the unsaturated zone is illustrated and discussed from the aspects of interdepth, intersite and temporal changes respectively. The results in terms of the correlation structure show an increase in spatial variability when depth increases. Three soil layers with different patterns of variability are identified: 0-60, 60-140, and 140-240 cm. It is concluded that the mean time series values of the soil water content do not differ significantly within horizontal distances of about... (More)

Temporal and spatial variability of soil water content on mainly two different scales is visualized by means of correlation analyses. The soil water data were collected at seven sites for a period of about ten years. The spatial variability of soil water in the unsaturated zone is illustrated and discussed from the aspects of interdepth, intersite and temporal changes respectively. The results in terms of the correlation structure show an increase in spatial variability when depth increases. Three soil layers with different patterns of variability are identified: 0-60, 60-140, and 140-240 cm. It is concluded that the mean time series values of the soil water content do not differ significantly within horizontal distances of about 10-20m. For distances of about 1100m this variation may be more than 5% by volume in absolute values. Higher spatial variability is noted during the summer period (May-September).

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Hydrology
volume
104
issue
1-4
pages
18 pages
publisher
Elsevier
external identifiers
  • scopus:0024163558
ISSN
0022-1694
DOI
10.1016/0022-1694(88)90160-6
language
English
LU publication?
yes
id
e1ba5bff-02c9-4da6-b20f-00334a911c55
date added to LUP
2023-08-17 15:24:31
date last changed
2025-04-04 15:10:04
@article{e1ba5bff-02c9-4da6-b20f-00334a911c55,
  abstract     = {{<p>Temporal and spatial variability of soil water content on mainly two different scales is visualized by means of correlation analyses. The soil water data were collected at seven sites for a period of about ten years. The spatial variability of soil water in the unsaturated zone is illustrated and discussed from the aspects of interdepth, intersite and temporal changes respectively. The results in terms of the correlation structure show an increase in spatial variability when depth increases. Three soil layers with different patterns of variability are identified: 0-60, 60-140, and 140-240 cm. It is concluded that the mean time series values of the soil water content do not differ significantly within horizontal distances of about 10-20m. For distances of about 1100m this variation may be more than 5% by volume in absolute values. Higher spatial variability is noted during the summer period (May-September).</p>}},
  author       = {{Zhang, Tielin and Berndtsson, Ronny}},
  issn         = {{0022-1694}},
  language     = {{eng}},
  month        = {{12}},
  number       = {{1-4}},
  pages        = {{111--128}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Hydrology}},
  title        = {{Temporal patterns and spatial scale of soil water variability in a small humid catchment}},
  url          = {{http://dx.doi.org/10.1016/0022-1694(88)90160-6}},
  doi          = {{10.1016/0022-1694(88)90160-6}},
  volume       = {{104}},
  year         = {{1988}},
}