祁连山讨赖河流域上游积雪时空分布及其变化研究
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武磊, 李奋华, 李常斌, 吕佳南, 谢旭红, 周璇
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Spatiotemporal distribution of snow cover and its variation in the upper reaches of the Taolai River basin, Qilian Mountains
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Lei WU, Fenhua LI, Changbin LI, Jianan LÜ, Xuhong XIE, Xuan ZHOU
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表1 雪深变率特征值及面积占比统计
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Table 1 Statistics of variation characteristic value and area proportion of snow depth variability
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月份 | 变率特征值/(cm·a-1) | | 面积占比/% |
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最小值 | 最大值 | 均值 | | 减少 | 增加 |
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年平均 | -0.082 | 0.031 | -0.008 | | 68.30 | 31.70 | 1月 | -0.098 | 0.065 | -0.016 | | 47.74 | 52.26 | 2月 | -0.105 | 0.056 | -0.028 | | 70.47 | 29.53 | 3月 | -0.133 | 0.015 | -0.037 | | 87.48 | 12.52 | 4月 | -0.162 | 0.004 | -0.044 | | 98.23 | 1.77 | 5月 | -0.041 | 0.000 | -0.013 | | 99.88 | 0.12 | 6月 | -0.022 | 0.006 | -0.003 | | 96.55 | 3.45 | 7月 | -0.000 | 0.007 | 0.002 | | 0.78 | 99.22 | 8月 | -0.005 | 0.016 | 0.005 | | 64.23 | 35.77 | 9月 | -0.048 | 0.005 | -0.008 | | 91.63 | 8.37 | 10月 | -0.044 | 0.031 | -0.006 | | 81.05 | 18.95 | 11月 | -0.059 | 0.089 | 0.017 | | 15.78 | 84.22 | 12月 | -0.078 | 0.123 | 0.045 | | 7.43 | 92.57 |
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