Concepts
5 concepts
measurement
drought severity
Standardized measure of water deficit calculated using the Standardized Precipitation Evapotranspiration Index (SPEI) over 12-month periods
measurement
electrical conductivity
Soil electrical conductivity measured via electrical resistivity tomography to estimate soil moisture and subsurface properties
measurement
ground-penetrating radar
Geophysical method using electromagnetic waves to measure subsurface properties including snow density through travel-time analysis
measurement
foresummer drought sensitivity
The slope of peak NDVI as a linear function of the June Palmer Drought Severity Index, representing plant productivity responses to early growing season drought conditions
measurement
fracture density
The number and extent of fractures in bedrock that control fluid flow and transport properties