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首页> 外文期刊>Chinese Geographical Science >A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province
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A GIS-based Tupu Analysis of Dynamics of Saline-alkali Land in Western Jilin Province

机译：基于GIS的吉林省西部盐碱地动态图谱分析。

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Based on Tupu theory, this paper studied the.dynamic changes, conversion modes, expansion intensity and landscape attributes of the saline-alkali lands in Changling County, Zhenlai County and Da'an City of the western Jilin Province in 1980-2000 with the help of GIS. The results show that the saline-alkali land rather sharply increased in Da'an during 1995-2000; the main conversion processes in the three counties were from grassland to saline-alkali land and from saline-alkali land to grassland; and the typical shapes, spatial expansion speed and mode, and landscape attributes of the saline-alkali land were different in the three counties, which were closely related to local topography, predominant wind orientation, water resources distribution, etc. The corresponding spatial expansion mode was mar-ginality in Changling, random in Zhenlai and more kernels in Da'an, respectively. Landscape attributes also responded to the spatial-temporal dynamic changes of the saline-alkali land and the landscape indices of Da'an fluctuated greatly. The frame of this research may provide fundamental reference for landscape analysis and give some suggestions for regional sustainable development.
机译：本文基于图普理论，研究了吉林省西部长岭县，镇and县和大安市1980-2000年盐碱地的动态变化，转化方式，扩展强度和景观特征。 GIS。结果表明，大安市盐碱地面积在1995-2000年间急剧增加。这三个县的主要转化过程是从草地到盐碱地，从盐碱地到草地。三个县盐碱地的典型形状，空间扩展速度和方式，景观属性不同，这与当地地形，主导风向，水资源分布等密切相关。相应的空间扩展方式在长岭是边际，在振来是随机的，在大安是更多的内核。景观属性也对盐碱地的时空动态变化做出反应，大安市的景观指数波动很大。本研究框架可为景观分析提供基础参考，并为区域可持续发展提供一些建议。

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