Hydrosphere
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet, minor planet or natural satellite.
30 Year Normal Precipitation 1981-2010
PRISM Climate Group, Oregon State University, http://prism.oregonstate.edu, created 4 Feb 2004.
Cation Exchange Capacity (CEC) - 0.15m
Cation-exchange capacity is a measure of how many cations can be retained on soil particle surfaces. Negative charges on the surfaces of soil particles bind positively-charged atoms or molecules, but allow these to exchange with other positively charged particles in the surrounding soil water.
North America Precipitation (2019)
North America Precipitation (2019)