气象干旱指数在青藏高原东缘高寒草地的适用性评价及2022年干旱监测分析
范浩男, 王玮, 戴昂, 马林飞, 李肖康

Applicability evaluation of meteorological drought index in alpine grassland at the eastern edge of the Qinghai-Xizang Plateau and drought monitoring in 2022
FAN Haonan, WANG Wei, DAI Ang, MA Linfei, LI Xiaokang
表1 4种干旱指数精度分析结果
Tab.1 Accuracy identification results of four drought indices
干旱指数 一致性样本数/个 非一致性样本数/个 识别精度/% 误差/%
有旱(Sdry) 无旱(Lnormal) 多测(Lfault) 漏测(Smissed)
PA 638 344 704 349 48.21 51.79
PDSI 721 483 512 319 59.16 40.84
SPI 481 308 559 687 38.79 61.21
MCI 569 192 522 752 37.42 62.58