Arid
DOI10.1175/JHM556.1
Adsorption of water vapor by bare soil in an olive grove in southern Spain
Verhoef, A.; Diaz-Espejo, A.; Knight, J. R.; Villagarcia, L.; Fernandez, J. E.
通讯作者Verhoef, A.
来源期刊JOURNAL OF HYDROMETEOROLOGY
ISSN1525-755X
出版年2006
卷号7期号:5页码:1011-1027
英文摘要

Data for water vapor adsorption and evaporation are presented for a bare soil (sandy loam, clay content 15%) in a southern Spanish olive grove. Water losses and gains were measured using eight high-precision minilysimeters, placed around an olive tree, which had been irrigated until the soil reached field capacity (similar to 0.22 m(3) m(-3)). They were subsequently left to dry for 10 days. A pair of lysimeters was situated at each of the main points of the compass (N, E, S, W), at a distance of 1 m (the inner set of lysimeters; ILS) and 2 m (the outer set of lysimeters; OLS), respectively, from the tree trunk.


Distinct periods of moisture loss (evaporation) and moisture gain (vapor adsorption) could be distinguished for each day. Vapor adsorption often started just after noon and generally lasted until the (early) evening. Values of up to 0.7 mm of adsorbed water per day were measured. Adsorption was generally largest for the OLS (up to 100% more on a daily basis), and increased during the dry down. This was mainly the result of lower OLS surface soil moisture contents (period-average absolute difference similar to 0.005 m(3) m(-3)), as illustrated using various analyses employing a set of micrometeorological equations describing the exchange of water vapor between bare soil and the atmosphere. These analyses also showed that the amount of water vapor adsorbed by soils is very sensitive to changes in atmospheric forcing and surface variables. The use of empirical equations to estimate vapor adsorption is therefore not recommended.


类型Article
语种英语
国家England ; Spain
收录类别SCI-E
WOS记录号WOS:000241755800012
WOS关键词CLIMATIC CONDITIONS ; DEW DEPOSITION ; SURFACE ; DESERT ; EVAPORATION ; TEMPERATURE ; MOVEMENT ; MOISTURE ; MODEL
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/152251
作者单位(1)Univ Reading, Dept Soil Sci, Sch Human & Environm Sci, Reading RG6 6DW, Berks, England;(2)CSIC, Inst Recursos Nat & Agrobiol, E-41080 Seville, Spain;(3)Univ Pablo Olavide, Dept Sistemas Fis Quim & nat, Seville, Spain
推荐引用方式
GB/T 7714
Verhoef, A.,Diaz-Espejo, A.,Knight, J. R.,et al. Adsorption of water vapor by bare soil in an olive grove in southern Spain[J],2006,7(5):1011-1027.
APA Verhoef, A.,Diaz-Espejo, A.,Knight, J. R.,Villagarcia, L.,&Fernandez, J. E..(2006).Adsorption of water vapor by bare soil in an olive grove in southern Spain.JOURNAL OF HYDROMETEOROLOGY,7(5),1011-1027.
MLA Verhoef, A.,et al."Adsorption of water vapor by bare soil in an olive grove in southern Spain".JOURNAL OF HYDROMETEOROLOGY 7.5(2006):1011-1027.
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