Table 2 The classification system used used in this study.

From: Prolonged water body types dataset of urban agglomeration in central China from 1990 to 2021

Name

Description

Lake

Polygonal water bodies, such as lake and reservoirs

River

Linear water bodies, such as river, canal, and channel

Wetland

Seasonal water bodies surrounding lakes and rivers, such as vegetated wetland and inland mudflat

Artificial Water

Aggregated permanent or seasonal ponds used for agriculture or aquaculture