近60年河北省冬小麦干旱风险时空规律
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张力,陈阜,雷永登
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Spatial and temporal patterns of drought risk for winter wheat grown in Hebei province in past 60 years
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Li ZHANG,Fu CHEN,Yong-Deng LEI
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表2 不同气象因子的气候倾向率
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Table 2 Climate tendency rate of different meteorological factors
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时期 Stage | 水分亏缺指数 CWDI | 需水量 ETC | 降水 Precipitation | 气温 Temperature | 日照时数 Sun hour | 相对湿度 Relative humidity | 风速 Wind speed | 播种-返青 Sowing-greening | -0.54 | -0.09* | -0.01 | 0.29*** | -0.21*** | -0.17 | -0.11*** | 返青-拔节 Greening-jointing | 0.73 | 0.15 | 0.00 | 0.47*** | -0.07 | -1.39** | -0.13*** | 拔节-抽穗 Jointing-heading | -0.25 | -0.41 | 0.09 | 0.21 | -0.07 | -0.14 | -0.15*** | 抽穗-成熟 Heading-maturity | -1.28* | -1.04** | 1.04** | 0.18** | -0.22*** | 0.30 | -0.14*** |
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