中国西北干旱区降雪和极端降雪变化特征及未来趋势
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The change features and future trend of snowfall and extreme snowfall in the arid areas of Northwest China
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图3. 1971—2010年中国西北干旱区年降雪量(a)、 年降雪次数(b)、 极端降雪量(c)和极端降雪次数(d)变化趋势的空间分布(P≤0.05为显著) |
Fig.3. Spatial distribution of the trends of annual snowfall amount (a), occurrences of snowfall (b), the extreme snowfall amount (c) and occurrences of the extreme snowfall (d) in the arid areas of Northwest China during the period of 1971—2010 (P≤0.05 is considered statistically significant) |
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