JIANG Zhen-lan,SHA Jin-ming.Analysis on Land Cover Change of Fuzhou City by Multi-temporal TM Images[J].Research of Soil and Water Conservation,2003,10(04):69-71.
利用多时相TM影像分析福州市地表植被的变化
- Title:
- Analysis on Land Cover Change of Fuzhou City by Multi-temporal TM Images
- Keywords:
- land vegetation cover; change analysis; NDVI; multi-dimension; Fuzhou City
- 分类号:
- TP79;Q948.156
- 摘要:
- 变化分析是多时相遥感影像的主要应用领域。根据彩色合成原理，将1988年的NDVI影像、2000年的NDVI影像及2000年与1988年的NDVI相减所得影像进行彩色合成，其不同颜色反应了不同植被覆盖度区域的不同变化。笔者结合实地考察资料，根据不同颜色及各种植被覆盖区的不同变化程度，将福州市植被变化情况分成八大类别。
- Abstract:
- Change analysis is a major application field in multi-temporal remote sensing image study.Different colors are synthesized scientifically from the NDVI images of 1988 and 2000 as well as the image produced by the subtraction between the values of the two, with areas of different vegetation coverage in different colors.According to on-the-spot investigation findings, the vegetation cover change of Fuzhou City is grouped into eight categories in terms of the different colors in the image and the coverage changes in different areas.
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备注/Memo
收稿日期:2003-1-5。
基金项目:福建省教育厅“生态环境脆弱性的遥感监测”。
作者简介:江振蓝（1977- ），女，福建师范大学地理科学院硕士研究生，研究方向为RS与GIS.