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Soil moisture–temperature relationships: results from two field experiments
Author(s) -
Lakshmi Venkat,
Jackson Thomas J.,
Zehrfuhs Diane
Publication year - 2003
Publication title -
hydrological processes
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.222
H-Index - 161
eISSN - 1099-1085
pISSN - 0885-6087
DOI - 10.1002/hyp.1275
Subject(s) - water content , environmental science , moisture , soil science , vegetation (pathology) , hydrology (agriculture) , tifton , field capacity , soil water , geology , meteorology , geography , geotechnical engineering , agronomy , medicine , pathology , dry matter , biology
This paper analyses data from two field experiments in Chickasha, Oklahoma, and Tifton, Georgia, carried out in July 1999 and June 2000 respectively. The observations on soil moisture at two depths, viz. 0–2·5 and 0–5·0 cm, surface temperature, and temperatures at 1, 5 and 10 cm depths are analysed. The relationship between the soil moisture and the temperature variability in time is examined as a function of vegetation type and location. Results from these experiments show that, during drydown, surface temperature shows an increase that corresponds to a decrease in the soil moisture. Linear models for prediction of soil moisture (at both depths) using surface temperature observations are examined. Copyright © 2003 John Wiley & Sons, Ltd.

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