Temporal Stability of Surface Soil Moisture in  Artificially Revegetated Desert Area

JOURNAL OF DESERT RESEARCH

2009, Vol. 29

Issue (1): 81-86 DOI:

生物土壤与生态

Temporal Stability of Surface Soil Moisture in Artificially Revegetated Desert Area

PAN Yan-xia1,2, WANG Xin-ping1， SU Yan-gui1,2, LI Xiao-jun1,2, GAO Yan-hong1,2

1.Shapotou Desert Experimental Research Station， Cold and Arid Regions Environmental and Engineering Research Institute， Chinese Academy of Sciences, Lanzhou 730000， China; 2.Graduate School of the Chinese Academy of Sciences, Beijing 100039, China

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Abstract

The aim of this paper is to discuss the applicability of temporal stability theory in soil moisture of artificially revegetated desert area. Here we analyzed the temporal stability of soil moisture content in an area of 0.45 hm2 located in the artificially revegetated desert area where has been fixed for fifty years and the bio-crust covered the whole surface. The data from a network consisting of 60 soil moisture measuring points over a period of 7 months (from April to October 2005) were used. At each point, soil moisture was measured at the different time using time domain reflectometry (TDR) in the depths of 15 cm and 30 cm. The results clearly showed which point was the mean representative soil moisture point. The temporal stability was high under even the most extreme situations. This pattern was more obvious in the depth of 30 cm than in the depth of 15 cm and the temporal stability was always higher when the soil was dry than when the water content was high.

Key words: desert area artificially revegetated plants soil moisture temporal stability

Received: 09 October 2007 Published: 20 January 2009

ZTFLH:

S152.7



	Articles by authors
	PAN Yan-xia
	WANG Xin-ping
	SU Yan-gui
	LI Xiao-jun
	GAO Yan-hong

Cite this article:

PAN Yan-xia;WANG Xin-ping;SU Yan-gui;LI Xiao-jun;GAO Yan-hong;. Temporal Stability of Surface Soil Moisture in Artificially Revegetated Desert Area. JOURNAL OF DESERT RESEARCH, 2009, 29(1): 81-86.

URL:

http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2009/V29/I1/81

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