2025年1月美国洛杉矶破纪录山火事件的干旱气象条件归因
于晓晶, 张丽霞, 于志翔, 杨可儿

Attribution of drought-related meteorological conditions for the record-breaking wildfire event in Los Angeles in January 2025
YU Xiaojing, ZHANG Lixia, YU Zhixiang, YANG Ke’er
图2 1981—2020年7—12月美国西部地区降水量(a,单位:mm)、水汽压差(b,单位:kPa)、植被总初级生产力(c,单位:gC·m-2)和火情天气指数(d)的气候态空间分布
Fig.2 The climatological spatial distribution of precipitation (a, Unit: mm), VPD (b, Unit: kPa), GPP (c, Unit: gC·m-2) and FWI (d) in the western United States from July to December during 1981-2020