| − | '''Climatic factor''' (abbreviated as ''C factor'' in the [[Wind erosion equation]] characterizes - according to the [[USDA]] terminology - ''"climatic [[erosivity]], specifically wind speed and surface soil moisture. The factor for any given locality is expressed as a percentage of the C factor for Garden City, Kansas, which has a value of 100."<ref>[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology]List of USDA terminology</ref>''
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