Locations of SRDB V5 observations combining pre-existing observations from V4 and new observations from Russian and Chinese literature, and literature from other languages (primarily English). Circle size represents sample size at each location.
This new version of the Global Soil Respiration Database (SRDB) is a near-universal compendium of published soil respiration (Rs) data.
Study area in the Midwestern US with study site locations and extent of analysis. The study area was limited to the spatial extent of LiDAR topographic data (gray hillshade). Squares represent the 28 sites, a total of 210 km2, that were selected for having plowed, bare soil.
A soil organic carbon index and remote sensing data were used to estimate erosion in Midwestern USA.