CAJ | 학술논문

根据北川河流域2000年ETM＋、1994年和2007年TM共三期遥感影像数据,在RS和GIS技术支持下,分析了研究区土地利用的数量变化和空间变化特征,明确了土地利用变化的主要类型和方向,探讨了土地利用变化的过程,并进行了土地利用变化的景观格局分析.结果显示：该流域土地利用以草地和耕地为主,1994-2007年耕地大面积减少,主要转化为草地和林地;耕地和未利用地朝着规模缩小的方向发展,林地、水域和建设用地朝着规模增加的方向发展,草地变化缓慢;随着时间的推移和经济的发展,各种景观的多样性、破碎度、优势度和分离度发生了不均匀较为复杂的变化,各种景观形态的复杂程度排序为：建设用地〉林地〉草地〉未利用地〉水域〉耕地.
근거북천하류역2000년ETM＋、1994년화2007년TM공삼기요감영상수거,재RS화GIS기술지지하,분석료연구구토지이용적수량변화화공간변화특정,명학료토지이용변화적주요류형화방향,탐토료토지이용변화적과정,병진행료토지이용변화적경관격국분석.결과현시：해류역토지이용이초지화경지위주,1994-2007년경지대면적감소,주요전화위초지화임지;경지화미이용지조착규모축소적방향발전,임지、수역화건설용지조착규모증가적방향발전,초지변화완만;수착시간적추이화경제적발전,각충경관적다양성、파쇄도、우세도화분리도발생료불균균교위복잡적변화,각충경관형태적복잡정도배서위：건설용지〉임지〉초지〉미이용지〉수역〉경지.
Using the integrated technology of Remote Sensing（RS） and Geographic Information System（GIS）,based on remote sensing images which were acquired by Landsat TM in 1994 and 2007 and Landsat ETM＋ in 2000,this paper analyzed the spatial-temporal change characteristics of land use in the small watershed,revealed the major patterns and trends of land use change,discussed the process of land use change,and usesd the landscape pattern.The results show that the major land covers in the watershed are farmland and grassland.During the period of 1994 and 2007,a large area of farmland decreased.The conversions of farmland to grassland and forestland are the major patterns of land use change.State index indicates that the farmland and unused land are in reducing while the forestland,water areas and Construction land are in increasing and grassland changes slowly.With the time elapsing and economical development,diversity indexes,dominance,fragment and isolation of each landscape type become complicated and anomalistic in different periods.Fractal dimensions of landscape types from high to low are Construction land,forestland,grassland,unused land,water areas and farmland.