Evaluation of the 2012 drought with a newly established national soil monitoring network

Jesse E. Bell, Ronald D. Leeper, Michael A. Palecki, Evan Coopersmith, Tim Wilson, Rocky Bilotta, Scott Embler

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The NOAA United States Climate Reference Network (USCRN) deployed soil moisture sensors during 2009 to 2011 to monitor the temporal and spatial variability of soil moisture at 114 locations in the contiguous United States. These new soil observations will enhance our understanding of changing soil conditions for better drought monitoring. One year after full deployment of the network, a large drought occurred across most of the United States and provided an opportunity to evaluate the utility of this network for drought monitoring. The soil moisture signal of the 2012 drought in the continental United States was detected nationally at all observational depths (5, 10, 20, 50, and 100 cm), with an overall 11.07% decrease from the average of the 2011 to 2013 summers. The top three depths (5, 10, and 20 cm) experienced the largest decrease in soil moisture. Although 2013 national precipitation totals returned to normal values and national soil moisture levels recovered from the 2012 drought, the national average soil moisture concentrations combined at the 50- and 100-cm depths remained around 18% below predrought levels. Regional analysis of the 2012 drought identified that the Upper Midwest, Northeast, Northern Rockies and Plains, and Ohio Valley climate regions were most impacted and demonstrated a temporal pattern similar to the national analysis. These results demonstrate the utility of using USCRN for monitoring national soil moisture conditions, assessing droughts, and tracking climate change with time.

Original languageEnglish (US)
JournalVadose Zone Journal
Volume14
Issue number11
DOIs
StatePublished - Nov 2015

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soil moisture
drought
soil water
monitoring
soil
climate
monitoring network
evaluation
normal values
soil quality
valleys
climate change
sensor
valley
summer
analysis

ASJC Scopus subject areas

  • Soil Science

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Bell, J. E., Leeper, R. D., Palecki, M. A., Coopersmith, E., Wilson, T., Bilotta, R., & Embler, S. (2015). Evaluation of the 2012 drought with a newly established national soil monitoring network. Vadose Zone Journal, 14(11). https://doi.org/10.2136/vzj2015.02.0023

Evaluation of the 2012 drought with a newly established national soil monitoring network. / Bell, Jesse E.; Leeper, Ronald D.; Palecki, Michael A.; Coopersmith, Evan; Wilson, Tim; Bilotta, Rocky; Embler, Scott.

In: Vadose Zone Journal, Vol. 14, No. 11, 11.2015.

Research output: Contribution to journalArticle

Bell, JE, Leeper, RD, Palecki, MA, Coopersmith, E, Wilson, T, Bilotta, R & Embler, S 2015, 'Evaluation of the 2012 drought with a newly established national soil monitoring network', Vadose Zone Journal, vol. 14, no. 11. https://doi.org/10.2136/vzj2015.02.0023
Bell, Jesse E. ; Leeper, Ronald D. ; Palecki, Michael A. ; Coopersmith, Evan ; Wilson, Tim ; Bilotta, Rocky ; Embler, Scott. / Evaluation of the 2012 drought with a newly established national soil monitoring network. In: Vadose Zone Journal. 2015 ; Vol. 14, No. 11.
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