Spatially integrated regional mean
Approach: I just read the data from the original data file and flip the latitude arrange from original 90N->90S to 90S->90N.
Temporal resolution: yearly
General information: This product was derived from Harmonized World Soil Database (HWSD) v1.2 dataset.
Spatial resolution: 0.5x0.5 degree
Derived data code: http://redwood.ess.uci.edu/mingquan/www/ILAMB/Download/CODES/CODES/subroutines/convert/convert-soilc-HWSD.ncl
history: Tue Mar 19 20:15:17 2019: ncrename -v soilc,cSoilAbove1m soilc_0.5x0.5.nc tmp.nc