蒙古高原地形与植被指数的特征尺度及多尺度耦合关系
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胡云锋, 徐芝英
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Characteristic Scales and the Multi-scale Correlation Between DEM and NDVI Factors: A Case Study in the Mongolian Plateau
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Yun-feng HU, Zhi-ying XU
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表1 NDVI与高程多尺度相关关系 |
Table 1 The multi-scale correlations between NDVI and DEM |
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低频 系数 | 尺度 (km) | 样线 | 高频 | 尺度 | 样线 | 43°N | 47°N | 100°E | 110°E | 系数 | (km) | 43°N | 47°N | 100°E | 110°E | a1 | 1 | -0.6429 | -0.1528 | 0.7213 | 0.2853 | d1 | 1 | -0.0223 | -0.1132 | 0.0133 | -0.0459 | a2 | 2 | -0.6486 | -0.1545 | 0.7335 | 0.2883 | d2 | 2 | 0.0001 | 0.0178 | -0.1234 | -0.0239 | a3 | 4 | -0.6583 | -0.1562 | 0.7414 | 0.2905 | d3 | 4 | 0.1281 | -0.0370 | 0.1438 | 0.1423 | a4 | 8 | -0.6673 | -0.1605 | 0.7595 | 0.2932 | d4 | 8 | 0.1645 | 0.0638 | -0.2583 | 0.0414 | a5 | 16 | -0.6772 | -0.1774 | 0.7790 | 0.2943 | d5 | 16 | 0.0945 | 0.4742 | 0.2999 | 0.3958 | a6 | 32 | -0.6913 | -0.1939 | 0.8155 | 0.3172 | d6 | 32 | 0.2324 | 0.4050 | -0.0139 | -0.1285 | a7 | 64 | -0.7148 | -0.2000 | 0.8447 | 0.3360 | d7 | 64 | 0.2907 | -0.0468 | 0.2328 | 0.2015 | a8 | 128 | -0.8518 | -0.2853 | 0.8890 | 0.4233 | d8 | 128 | 0.6293 | 0.8194 | 0.8951 | -0.2567 |
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