Sometimes referred to as the fixed mean structure. By using a geostatistical method, this trend can be removed, and then the remaining component as random short-range variation (random error or residual) be modeled. The main reason to remove a trend in geostatistics is to satisfy stationarity assumptions.
GLOBAL TREND
Meaning of GLOBAL TREND in English
Sean Woo's Finance, GIS and real estate English glossary. Английский глоссарий по ГИС(Географическая информационная система) и недвижимости Sean Woo's Finance. 2012