基于ESA-LUC和MODIS-NDVI的西北干旱荒漠-绿洲体系分类阈值及应用
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武磊, 李常斌, 王刘明, 谢旭红, 张媛, 魏健美
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Division and application of desert-oasis system in arid Northwest China based on ESA-LUC and MODIS-NDVI
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Lei Wu, Changbin Li, Liuming Wang, Xuhong Xie, Yuan Zhang, Jianmei Wei
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表2 中国西北干旱区ESA-LUC体系及MODIS-NDVI对应统计(2005年)
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Table 2 Statistics of ESA-LUC system corresponding to MODIS-NDVI in the arid northwestern China (2005)
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序号 | ESA-LUC | MODIS-NDVI |
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代码 | 类型 | 最小值 | 最大值 | 平均值 |
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1 | 10 | Cropland-Rainfed | 旱作农田 | 0.05 | 0.96 | 0.61 | 2 | 11 | Herbaceous cover | 禾本科草地 | 0.03 | 0.96 | 0.46 | 3 | 20 | Cropland-Irrigated | 灌溉农田 | 0.02 | 0.99 | 0.62 | 4 | 30 | Mosaic cropland/tree | 农林混交 | 0.05 | 0.96 | 0.49 | 5 | 40 | Mosaic vegetation/tree | 人工林地 | 0.00 | 0.98 | 0.45 | 6 | 60 | Tree cover | 林地 | 0.37 | 0.92 | 0.81 | 7 | 61 | Tree cover | 0.44 | 0.90 | 0.74 | 8 | 70 | Tree cover | 0.00 | 0.97 | 0.78 | 9 | 72 | Tree cover | 0.00 | 0.02 | 0.01 | 10 | 80 | Tree cover | 0.02 | 1.00 | 0.74 | 11 | 90 | Tree cover | 0.74 | 0.91 | 0.85 | 12 | 100 | Mosaic tree/shrub/herbaceous | 林灌草 | 0.00 | 0.98 | 0.68 | 13 | 110 | Mosaic herbaceous/tree/shrub | 草林灌 | 0.00 | 0.99 | 0.72 | 14 | 120 | Shrubland | 灌丛 | 0.00 | 0.91 | 0.19 | 15 | 122 | Shrubland deciduous | 落叶灌丛 | 0.02 | 0.70 | 0.14 | 16 | 130 | Grassland | 草地 | -0.09 | 1.00 | 0.26 | 17 | 140 | Lichens and mosses | 地衣苔藓 | 0.02 | 0.49 | 0.14 | 18 | 150 | Sparse vegetation | 稀疏草 | -0.03 | 0.90 | 0.21 | 19 | 170 | Tree cover | 树林植被 | 0.65 | 0.84 | 0.75 | 20 | 180 | Shrub or herbaceous cover | 灌&禾本科 | -0.06 | 0.99 | 0.55 | 21 | 190 | Urban areas | 城镇 | 0.01 | 0.90 | 0.41 | 22 | 200 | Bare areas | 裸地 | -0.05 | 0.99 | 0.10 | 23 | 201 | Consolidated bare areas | 固定裸地 | -0.02 | 0.86 | 0.08 | 24 | 202 | Unconsolidated bare areas | 非固定裸地 | -0.02 | 0.67 | 0.08 | 25 | 210 | Water bodies | 水域 | -0.30 | 0.99 | 0.23 |
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