FY-4A闪电成像仪在干旱区应用评估及与多源数据对比

宋琳, 张国平, 王曙东, 万夫敬, 孙豪

Evaluation of FY-4A lightning mapping imager applied in arid region and its comparison with multi-source data

SONG Lin, ZHANG Guoping, WANG Shudong, WAN Fujing, SUN Hao

表1 2019年新疆地区11次典型雷暴过程FY-4A LMIG与不同地基探测系统闪电数量及比值

Tab.1 The lightning amounts of FY-4A LMIG and different ground-based detection systems and the ratios between them in Xinjiang during 11 typical thunderstorms processes in 2019

雷暴个例 闪电数量 LMIG与不同地基探测系统闪电数量比值 LMIG 3-DLLS WWLLN ADTD 3-DLLS WWLLN ADTD 20190601 2 6 22 14 0.1 667 0.0 909 0.1 428 20190606 21 54 11 35 0.3 888 1.9 090 0.6 000 20190616 34 154 21 69 0.2 207 1.6 190 0.4 927 20190710 103 478 67 268 0.2 154 1.5 373 0.3 843 20190721-1 263 1137 199 830 0.2 313 1.3 216 0.3 168 20190721-2 157 413 39 216 0.3 801 4.0 000 0.7 268 20190801 11 45 48 43 0.2 444 0.2 291 0.2 558 20190804 28 114 98 140 0.2 456 0.2 857 0.2 000 20190805 2 142 74 74 0.0 140 0.0 270 0.0 270 20190806 12 432 118 253 0.0 277 0.1 016 0.0 474 20190807 8 65 53 106 0.1 230 0.1 509 0.0 754