Resources Science, Volume. 42, Issue 5, 907(2020)
Fig. 1. Location of the Weihe River Basin and distribution of meteorological stations
Fig. 2. Temporal change of annual and seasonal potential evapotranspiration in the Weihe River Basin, 1960-2016
Fig. 3. Spatial distribution of average annual and seasonal potential evapotranspiration in the Weihe River Basin, 1960-2016
Fig. 4. Correlations between sensitivities and altitude in the Weihe River Basin, 1960-2016
Fig. 5. Fitting calculated potential evapotranspiration and total contribution of meteorological factors at each meteorological station in theWeihe River Basin, 1960-2016
Table 1. Classification of sensitivity coefficient
View tableView in ArticleTable 1. Classification of sensitivity coefficient
敏感性系数 S 敏感性等级 0.00<| S |<0.05敏感性很小,可忽略不计 0.05≤| S |<0.20中度敏感 0.20≤| S |<1.00高度敏感 | S |≥1.00极度敏感
Table 2. Decadal linear trend of annual and seasonal meteorological factors and potential evapotranspiration in the Weihe River Basin, 1960-2016
View tableView in ArticleTable 2. Decadal linear trend of annual and seasonal meteorological factors and potential evapotranspiration in the Weihe River Basin, 1960-2016
时间尺度 太阳辐射/(MJ/m2/10a) 风速/(m/s/10a) 相对湿度/(%/10a) 平均气温/(℃/10a) 潜在蒸散量/(mm/10a) 全年 -0.04 -0.062** -0.402 0.297** 2.387 春季 0.163* -0.076** -1.393** 0.361** 4.585** 夏季 -0.206** -0.05** 0.028 0.191** -2.838 秋季 -0.04 -0.052** -0.384 0.297** 0.81 冬季 -0.075 -0.072** 0.13 0.323** -0.216
Table 3. Sensitivity coefficients of annual and seasonal potential evapotranspiration to meteorological factors in the Weihe River Basin, 1960-2016
View tableView in ArticleTable 3. Sensitivity coefficients of annual and seasonal potential evapotranspiration to meteorological factors in the Weihe River Basin, 1960-2016
时间尺度 太阳辐射 风速 相对湿度 平均气温 全年 0.446** 0.135* -0.578** 0.263** 春季 0.515** 0.115* -0.484** 0.324** 夏季 0.662** 0.078* -0.435** 0.517** 秋季 0.427** 0.115* -0.747** 0.309** 冬季 0.175* 0.234** -0.651** -0.105*
Table 4. Contribution of the changes of meteorological factors to changes of annual and seasonal potential evapotranspiration in the Weihe River Basin, 1960-2016
View tableView in ArticleTable 4. Contribution of the changes of meteorological factors to changes of annual and seasonal potential evapotranspiration in the Weihe River Basin, 1960-2016
时间
尺度太阳辐射的
贡献/(mm/a)风速的
贡献/(mm/a)相对湿度的
贡献/(mm/a)平均气温的
贡献/(mm/a)贡献
总和/(mm/a)潜在蒸散量
变化/(mm/a)全年 -0.193 -0.564 0.25 0.784 0.277 0.239 春季 0.118 -0.185 0.231 0.311 0.476 0.459** 夏季 -0.266 -0.156 -0.016 0.177 -0.261 -0.284 秋季 -0.03 -0.092 0.05 0.157 0.085 0.081 冬季 -0.016 -0.131 -0.014 0.139 -0.022 -0.022
Table 5. Correlation coefficients between meteorological factors in the Weihe River Basin, 1960-2016
View tableView in ArticleTable 5. Correlation coefficients between meteorological factors in the Weihe River Basin, 1960-2016
相关系数 太阳辐射 风速 相对湿度 风速 0.381** — — 相对湿度 -0.720** -0.106 — 平均气温 0.282** -0.372* -0.535**
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Mengyao GUO, Dunxian SHE, Liping ZHANG, Rouxin TANG, Pengyan ZHAO.
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Received: Nov. 19, 2018
Accepted: --
Published Online: Apr. 15, 2021
The Author Email: Dunxian SHE (shedunxian@whu.edu.cn)
