极端气候对陕西植被生产力时空变化的影响

王娟敏, 孙娴, 植石群, 程路, 刘爱君

Impact of extreme climate on the spatiotemporal changes of vegetation productivity in Shaanxi Province

WANG Juanmin, SUN Xian, ZHI Shiqun, CHENG Lu, LIU Aijun

表5 1981—2018年4—10月陕西省极端高温、极端低温、极端降水和极端干旱对森林、草地和农田GPP的影响风险系数

Tab.5 Risk coefficients of extremely high temperature， extremely low temperature， extreme precipitation and extreme drought from April to October during 1981-2018 on GPP of forests，grasslands and farmlands in Shaaxi Province

极端高温 极端低温 月份 森林 草地 农田 森林 草地 农田 P Δμ P Δμ P Δμ P Δμ P Δμ P Δμ 4 0.144 0.116 0.292 0.030 0.196 0.226 0.516 -0.669 0.292 -0.087 0.288 -0.601 5 0.410 -0.503 0.337 -0.120 0.284 -0.048 0.665 -0.944 0.290 0.017 0.342 -0.409 6 0.404 -0.461 0.157 0.008 0.286 -0.396 0.487 -0.432 0.335 0.056 0.139 0.611 7 0.361 -0.248 0.147 -0.043 0.222 -0.448 0.466 -0.441 0.299 -0.399 0.233 0.200 8 0.435 -0.265 0.276 -0.333 0.303 -0.395 0.315 -0.148 0.357 -0.330 0.151 0.344 9 0.263 0.066 0.304 -0.257 0.372 -0.431 0.510 -0.389 0.439 -0.435 0.285 -0.062 10 0.147 0.110 0.184 0.084 0.247 -0.057 0.567 -0.640 0.485 -0.221 0.443 -0.248 月份 极端降水 极端干旱 森林 草地 农田 森林 草地 农田 P Δμ P Δμ P Δμ P Δμ P Δμ P Δμ 4 0.134 0.400 0.232 0.166 0.146 0.430 0.289 -0.165 0.236 -0.005 0.286 -0.098 5 0.069 0.351 0.239 0.189 0.225 0.021 0.613 -0.849 0.254 -0.075 0.322 -0.299 6 0.032 0.642 0.209 0.136 0.151 0.498 0.372 -0.324 0.483 -0.569 0.297 -0.181 7 0.051 0.380 0.093 1.073 0.147 0.838 0.519 -0.496 0.260 -0.152 0.203 0.078 8 0.254 -0.365 0.214 0.059 0.233 -0.305 0.610 -0.590 0.378 -0.432 0.342 -0.639 9 0.203 0.066 0.129 0.569 0.234 0.039 0.347 -0.196 0.296 -0.225 0.312 -0.236 10 0.185 0.090 0.055 0.306 0.267 0.002 0.238 0.003 0.438 -0.206 0.344 -0.126