| 黑河实验区地表植被指数的区域分布及季节变化 |
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| 引用本文： | 贾立,王介民.黑河实验区地表植被指数的区域分布及季节变化[J].高原气象,1999,18(2):245-249,T002. |
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| 作者姓名： | 贾立 王介民 |
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| 作者单位： | 中国科学院兰州高原大气物理研究所,甘肃省兰州市,730000 |
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| 摘 要： | 利用具有较高空间分辨率的Ｌａｎｄｓａｔ ＴＭ卫星资料估算了黑河实验区夏季和近冬季地表标准化差值植被指数ＮＤＶＩ，分析了ＮＤＶＩ的区域分布特征和季节变化。结果表明，由于该实验区下垫面的复杂性，ＮＤＶＩ表现出明显的空间和季节变化，ＮＤＶＩ的图像能够很好地反映出地表植被的分布状况。
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| 关 键 词： | 标准化差值植被指数(NDVI) 区域分布 季节变化 |
THE AREA DISTRIBUTION AND SEASONAL VARIATION OF NDVI OVER HEIFE AREA |
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| JIA Li,WANG Jie-min.THE AREA DISTRIBUTION AND SEASONAL VARIATION OF NDVI OVER HEIFE AREA[J].Plateau Meteorology,1999,18(2):245-249,T002. |
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| Authors: | JIA Li WANG Jie-min |
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| Abstract: | Normalized difference vegetation index(NDVI) over HEIFE area in summer and near winter are derived from Landsat TM data. The spatial distribut i on and seasonal change of NDVI are obvious due to the complicity of underlying surface in this area. It is shown that the situation of vegetation of surface c an be reflected well by NDVI. |
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| Keywords: | Normalized difference vegetation index (NDVI) Area distribution Seasonal change |
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