PROGRESS IN GEOGRAPHY ›› 2020, Vol. 39 ›› Issue (2): 255-264.doi: 10.18306/dlkxjz.2020.02.007
• Articles • Previous Articles Next Articles
WEN Yuanyuan, ZHAO Jun*(), WANG Yanqiang, WANG Yuchun, WANG Jianbang
Received:
2019-01-18
Revised:
2019-03-18
Online:
2020-02-28
Published:
2020-04-28
Contact:
ZHAO Jun
E-mail:zhaojun@nwnu.edu.cn
Supported by:
WEN Yuanyuan, ZHAO Jun, WANG Yanqiang, WANG Yuchun, WANG Jianbang. Spatiotemporal variation characteristics of surface evapotranspiration in Shanxi Province based on MOD16[J].PROGRESS IN GEOGRAPHY, 2020, 39(2): 255-264.
Tab.1
Statistics on the trend and significance of evapotranspiration (ET) and potential evapotranspiration (PET) in Shanxi Province, 2000-2014"
变化趋势 | 面积占比/% | 总计/% | ||||
---|---|---|---|---|---|---|
不显著 | 弱显著 | 显著 | 极显著 | |||
ET | 增加 | 34.01 | 3.86 | 5.89 | 3.67 | 47.43 |
减少 | 38.37 | 4.17 | 6.63 | 3.40 | 52.57 | |
PET | 增加 | 2.61 | 8.12 | 34.16 | 33.21 | 78.10 |
减少 | 10.77 | 4.51 | 5.58 | 1.04 | 21.90 |
Tab.2
Correlation coefficients of climatic factors with evapotranspiration (ET) and potential evapotranspiration (PET)"
气象因子 | 降水 | 风速 | 气温 | 水汽压 | 相对 湿度 | 日照 时数 | |
---|---|---|---|---|---|---|---|
空间相关性 | ET | 0.73 | 0.23 | 0.35 | 0.39 | 0.46 | -0.60 |
PET | -0.23 | -0.29 | 0.57 | 0.44 | -0.48 | -0.28 | |
时间相关性 | ET | 0.81 | -0.64 | 0.45 | 0.76 | 0.80 | -0.18 |
PET | 0.68 | 0.40 | 0.93 | 0.74 | -0.04 | 0.88 |
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