GIS Lab9 栅格计算器，叠加

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于 2020-04-09 17:58:06 发布 · 2.7k 阅读

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本文介绍了如何使用GIS进行生物燃料作物生产的景观适宜性分析，包括坡度限制、土地利用/土地覆盖限制和保护区限制三个约束条件。通过对坡度光栅数据的重新分类，以及与土地覆盖和保护区缓冲区的叠加分析，确定适合和不适合的农业生态实践区域。

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(1) Slope Gradient Constraint: Limitations due to steepness of slope can impact which landscapes can be used for certain land use practices. In Lab08, you generated a slope gradient raster data set from TC_elev_utm83. Now, you will reclassify the continuous raster that will yield two slope gradient classes indicating “Suitable” (<=15%) and “Unsuitable” (>15%) landscapes for bio-fuel crop production.

(2) Land Use/Land Cover Constraint: Limitations due to existing, intensive or inappropriate land use activities need to be assessed. From the Landcov10 raster data set that you produced back in