https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/021714ad-1cae-441c-bb6f-4be866a0f742 SOIL TEMPERATURE Date=2021-08-31 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=American Meteorological Society Glossary of Meteorology Online "http://amsglossary.allenpress.com/glossary" New Value=The Nature and Properties of Soils, Prentice Hall, 1996. Date=2021-08-31 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=The temperature measured at a given soil depth, typically at 2, 4, 8, and sometimes 20 and 40 in. Many biological processes, including seed germination, plant emergence, microbial activity, and soil respiration are a function of soil temperature. New Value=The degree of hotness or coldness of the soil as measured on some definite temperature scale. The degree of hotness or coldness of the soil as measured on some definite temperature scale. 2021-08-31 08:35:20.0