• 论文 •

遥感技术在土地利用动态研究中的应用—以三江平原为例

1. 中国科学院长春地理研究所
• 出版日期:1985-03-20 发布日期:1985-03-20

A PRILIMINARY STUDY ON DYNAMIC CHANGE OF LANDUSE USING REMOTE SENSING

Liu Xinghan, Zhao Huachang

1. Changchun Institute of Geography, Academia Sinica
• Online:1985-03-20 Published:1985-03-20

Abstract: Remote sensing technique can use be to study dynamic change of landuse,its informations can directly be obtained from a series of sequent,periodical and temporal satellite images.It has been shown that on this aspect remote sensing image interpretation has a great of advantage over other survey technique,such as low cost,high precision and speed,especially in an outlying district. According to Landsat-2,3,4,MSS (1975—1983),RBV and their enhanced images,the yearly dynamic change of landuse in the Sanjiang Plain has been obtained by interpretation and analysis.The method is that,the first is to draw main limits and outlines of surface on two base maps which were made of polyster film,the secondary step is to put one on top of another for comparison and estimation,and the third step is to estimate percentage of change of each type of landuse.The results are obvious,arable land is contineuously enlarging,new residential areas are constantly emerging,river engineerings are extending,at that time,wilderness and tree land are unceasingly decreasing. In addition,it is known as a fact that remote image can be used to monitor effectivelly flood change and to draw outline of the flood extension of Sonhuajiang river,Raoli river and so on.