Research Base On The "3S" Technology Of Land-use Changes

Land is the most foundamental natural resources for human being’s living anddevelopment. With the rapid increase in interfering intensity of human being’s activitiesto the land system, the contradiction between human being’s activities and Land-use isbecoming more and more glaring. Thus,in the background of rapid development ofeconomy, it has important significance in adjusting and making up reasonal andaccording local policy of Land-use for us to analyse the changing regular pattern ofLand-use, and to adjust objectively that whether the Land-use is reasonble or not, andreveal the social economy elements of arousing the changes of Land-use.This essay adopts the "3S" technology in the reseach of Land-use Changes for theobtainment of regional data information, and in the basis of data information establishingthe model of Land-use changes, and analysing the changing characteristics of Land-use.Thus to apply major ingredient to discuss the social driving elements of Land-use. Thisessay is divided into seven parts.The first part:introduce the choosing background and researching significance,andthen review the situation in home and overseas of Land-use, and give a brief account ofresearch method,main content and technical route.The second part:introduce the "3S" integrated technigue and its appliment in theresearch of Land-use Changes.The third part:introduce the general situation of researching area,and use remotesensing data deposition as its theoretical basis, and discuss at length the procedure of extracting the information of Land-use Changes.The forth part:combine “3S” technology,verify precisely to the changinginformation, and review the origional data base,and obtain the changing area of variouskinds of land in Land-use.The fifth part:through analysing the changs of Land-use, including the quality ofLand-use, the degree of Land-use and the analysis of the comprehensive of Land-useChanges,we find that in the recent years, ChongRen county is being in the phase of rapiddevelopment.The sixth part:make the main ingredient’s analysis in chosen social driving powerelements that effect Land-use Changes, indicate from the analysis results that the majorelement of social driving power effect in land exploiting change are economy, populationand urbanization.The seventh part: summary to this essay and put forward several ponders.