Soil moisture-temperature relationships: results from two field experiments

被引：88
作者：
Lakshmi, V
Jackson, TJ
Zehrfuhs, D
机构：
[1] Univ S Carolina, Dept Geol Sci, Columbia, SC 29208 USA
[2] USDA ARS, Hydrol & Remote Sensing Lab 104, Beltsville, MD 20705 USA
来源：
HYDROLOGICAL PROCESSES | 2003年 / 17卷 / 15期
关键词：
soil moisture; surface temperature; field experiments; WATER CONTENT; L-BAND;
D O I：
10.1002/hyp.1275
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
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 (C) 2003 John Wiley Sons, Ltd.
引用
收藏
页码：3041 / 3057
页数：17
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