Daily Hydrological Connectivity Status for 48 Lakes in Poyang Lake, 2000-2022

48 dish-shaped lakes in China's Poyang Lake have their daily hydrological connection status classified from 2000 to 2022. The dataset was created by Zhiyu Ye using a seed dispersal connectivity identification method on a 30-meter resolution water body dataset. It categorizes each lake's status as connected to the main lake, connected to other sub-lakes, or completely isolated.

Use Cases

• Modeling seasonal and long-term hydrological changes in Poyang Lake based on daily connection status.
• Analyzing the isolation frequency of specific sub-lakes based on their daily status codes.
• Studying the connectivity patterns between the main lake and its satellite lakes over a 23-year period.

Strengths

• Daily temporal resolution over a 23-year period (2000-2022).
• Covers 48 specific lakes with provided name mappings.
• Derived from a 30-meter resolution water body dataset using a defined SDCI method.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect geographic bias inherent to the single-lake system of Poyang Lake.

Provenance

Source

figshare, author Zhiyu Ye.

Collection Method

Derived using the seed dispersal connectivity identification (SDCI) method on a daily 30-meter water body dataset.

Time Range

2000 to 2022

Freshness

Last updated 2026-05-12 12:21:02; freshness should be verified.

Geography

Poyang Lake, China