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Remote sensing dynamic monitoring and analysis of vegetation coverage changes city: Taking Mianyang city as an example

机译：遥感动态监测与植被覆盖变化城市的分析：以绵阳市为例

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Vegetation cover change by Remote Sensing Monitoring is an important part of urban ecological environment monitoring, the results can provide scientific basis for urban sustainable development. Using the Landsat TM images of Mianyang city on May 1, 1988, and on May 6, 2007, and after the geometric correction, calibration of radiation, atmospheric correction and normalization vegetation index calculation, we completed the above estimation of vegetation coverage in the two periods, and the results in this two periods. At the same time, in Mianyang, the vegetation coverage changes between 1988 and 2007 have been taken in the remote sensing monitoring and quantitative analysis. The results show that from 1988 to 2007, the vegetation coverage in Mianyang city as a whole is on the decline; In 1988, 40% ～ 60% of the high vegetation is the main body, it covers an area of 35.01 km2, the vegetation coverage is greater than 40% and the area is about 64.76 km2, accounts for 67.19% of total area of the built up area; In 2007, 20% ～ 40% lower vegetation is the main body, it covers an area of 46.72 km2, the vegetation coverage is less than 40% of the area of 46.72 km2, accounts for 94.04% of the built up area total area.
机译：遥感监测植被覆盖变化是城市生态环境监测的重要组成部分，结果可为城市可持续发展提供科学依据。在1988年5月1日使用绵阳市的Landsat TM图像，并于2007年5月6日，在几何校正之后，辐射校准，大气校正和常规化植被指数计算，我们完成了上述两种植被覆盖的估算期间，这两个时期的结果。与此同时，在绵阳，1988年至2007年间植被覆盖率在遥感监测和定量分析中采用。结果表明，从1988年到2007年，绵阳市整个植被覆盖率正在下降; 1988年，40％〜60％的高植被是主体，它占地面积35.01平方公里，植被覆盖率大于40％，该地区约为64.76平方公里，占总面积的67.19％建立面积; 2007年，植被20％〜40％是主体，占地面积46.72平方公里，植被覆盖率占面积46.72平方公里的40％，占建筑面积的94.04％。

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