Table 1 Data labels and descriptions for the shapefiles.

From: A three-decade lake dataset on the Mongolian plateau tracking water area and quality dynamics (1990–2020)

Attribute

Description and values

shape

Feature type of the lake object.

lati

Latitude of the dam point in decimal degree (type: float) on datum World Geodetic System (WGS) 1984.

longi

Longitude of the dam point in decimal degree (type: float) on WGS 1984.

perimeter

Perimeter of the lake polygon in kilometer.

poly_area

Area of the lake’s water surface in square kilometer.

name

English name of the lake. Some lakes may have alias.

country

The name of the country where the lake is located in.

province

The name of the province where the lake is located in.

lake_id

Identifies each lake with lake inventory dataset.

reservoir

1 represents that the lake is a reservoir; 0 represents that the lake is not a reservoir.

notes

Statements for specific cases in English, e.g. two lakes merged to one single lake due to drastic expansions.