Much attention has been given to parts of the climate system with longer "memories" than the atmosphere (e. g., the oceans). Some-- what less attention has been focused on soil moisture. The lack of long-term measurements of soil moisture profiles has precluded the examination of how soil wetness responds to precipitation variations on long time scales. This knowledge is crucial for investigating the impact of soil moisture on atmospheric variability. Recently we have been able to examine how the observed precipitation signals in soil moisture profiles vary over different time scales.
In particular, this involved quantifying the dampening of the amplitude of the precipitation …
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