Capabilities of Satellite-Based Precipitation to Estimate the Spatiotemporal Variation of Flood/Drought Class in Poyang Lake Basin

Table 1

Flood and drought classification based on the 𝑍 index values.

Class	𝑍 value	Type
1	𝑍>1.96	Severe flood
2	1.44<𝑍≤1.96	Moderate flood
3	0.84<𝑍≤1.44	Slight flood
4	−0.84≤𝑍≤0.84	Normal
5	−1.44≤𝑍<−0.84	Slight drought
6	−1.96≤𝑍<−1.44	Moderate drought
7	𝑍<−1.96	Severe drought