Abstract

The recognition of temporally stable location with respect to soil moisture content is of importance for soil water management decisions, especially at watershed scale. And most importantly, the profile soil moisture which play a vital role in generation of runoff in a watershed. In this regard, it is very essential to understand the behavior of soil moisture for their vertical and horizontal stability. To this end, a watershed located in the Western Ghats close to Kodigibail Village, Siddapur Taluk, Uttara Kannada District of Karnataka State, India, was selected for monitoring of soil moisture. The soil moisture was measured at weekly time step for a period of Jan 206 to Dec 2009. The measured soil moisture values were used for evaluation following issues (a) temporal and spatial variation of the observed soil moisture and (b) stability of soil moisture for both vertical and horizontal scale. The results obtained through the analysis of the observed soil moisture revealed that, the soil moisture content in the watershed exhibit both vertical and horizontal stability and can be considered as representative of the watershed.

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