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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > South Central CASC > FY 2014 Projects > Examining Soil and Drought Dynamics to Improve Fire Forecasting in the Southern Great Plains ( Show direct descendants )

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_ScienceBase Catalog
__National and Regional Climate Adaptation Science Centers
___South Central CASC
____FY 2014 Projects
_____Examining Soil and Drought Dynamics to Improve Fire Forecasting in the Southern Great Plains
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Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/gdj3.47/abstract): Two datasets of soil temperature observations collected at Norman, Oklahoma, USA, were analysed to study horizontal and vertical variability in their observations. The first dataset comprised 15-min resolution soil temperature observations from 20 September 2011 to 18 November 2013 in seven plots across a 10-m transect. In each plot, sensors were located at depths of 5, 10, and 30 cm. All seven plots observed fairly consistent maximum soil temperature observations during the spring, fall, and winter months. Starting in late May, the observed spread in soil temperatures across the 10-m transect increased significantly until August when the...
Precipitation amounts and frequencies are major regulators of soil heat-load profiles as the interval between rainfall events allows for increased heat storage during cloudless periods. The extreme drought of 2011 and the subsequent Flash Drought that occurred in summer, 2012, developed in part due to soil temperature dynamics across the landscape of the Southern High Plains. The negative impacts of highly variable soil temperatures on ecosystem process can be easily seen in family gardens. Most gardeners across the SHP realize that mulching has a beneficial impact on the success of any gardening effort as mulch reduces the heat storage of the soil thereby providing for a more stable temperature while also reducing...