农业干旱业务化监测研究进展与展望
刘伟琦, 马绍休, 宫毓来, 冯坤, 梁林昊

Research progress and perspective for operationalization of agricultural drought monitoring
Weiqi Liu, Shaoxiu Ma, Yulai Gong, Kun Feng, Linhao Liang
表3 USDM中关键客观指标与干旱级别的联系
Table 3 The links between 6 key objective indicators and drought levels in USDM
等级描述指标范围
PDSICPC土壤湿度模式每周USGS流量指标SPI客观干旱指标带
D0偏干-1.0~-1.921~3021~30-0.5~-0.721~30
D1轻旱-2.0~-2.911~011~20-0.8~-1.211~20
D2中旱-3.0~-3.96~106~10-1.3~-1.56~10
D3重旱-4.0~-4.93~53~5-1.6~-1.93~5
D4特旱≤-5.00~20~2≤-2.00~2