%0 Journal Article %A Cheng Weimin %A Xie Binggeng %A Xiao Ningchuan %T METHODOLOGY FOR PALEOGEOGRAPHICAL STUDIES AND SPECIFIC CASE STUDIES—A CASE STUDY OF LOESS PROFILE IN LUOCHUAN %D 1993 %R 10.11821/xb199302005 %J Acta Geographica Sinica %P 131-142 %V 48 %N 2 %X Contemporary physical geography ha.s been attempting to form a five dimension united dynamic system by combining matter, energy, information and temporal and spatial changes. In this system, the changes of various geographical elements over temporal series constitute geogra-phical processes. %U https://www.geog.com.cn/EN/10.11821/xb199302005