extreme drought and flood events  极端旱涝事件

statistics of flood and drought events  旱、涝气候

agricultural drought and flood disaster  农业旱涝灾害

Agricultural Drought and Flood Index  农业旱涝指标

Agricultural flood and drought disaster  农业水旱灾害风险

Anomaly of drought and flood years  旱涝异常

Characteristics of drought and flood  旱涝特征

CHARACTERS OF DROUGHT AND FLOOD  旱涝特征

Disaster of flood and drought  洪旱灾害

Drought and flood  旱涝灾害; 旱涝; 气候旱涝; 夏季旱涝; 旱涝分布

Drought and flood anomaly  旱涝异常

drought and flood at flood season  汛期旱涝

Drought and flood change  旱涝变化

Drought and flood disaster  太湖水旱灾害; 旱涝灾害

drought and flood disaster prediction  旱涝灾害预测

Drought and Flood Disasters  旱涝灾害; 水旱灾害

Drought and Flood During Flood Season  汛期旱涝

Drought and flood forecast  旱涝预测

Drought and flood grades  旱涝等级