第二次全国土地调查中耕地坡度级提取的应用研究

Extraction Applied Research of Land Slope in the Second National Land Survey

耕地坡度最重要的一种地形定量指标,是第二次全国土地调查中比较重要的一个内容,它直接关系到耕地面积的汇总统计。以云南省富源县为例,介绍了第二次全国土地调查当中耕地坡度级提取的实用方法。该方法精度高,成本低,速度快,对土地调查工作起到了一定的促进作用。

Land slope is a very important indicator in terrain analysis . At the same time , it is a important thing in the second national land survey. It is directly related to the summary statistics of land area. Through analysing Yunnan Fuyuan , How to extract Land slope in the second national land survey is introduced . The methods is high precision, low cost, and fastly. It is really promotion the Land survey.