Yellow River Source Region Desertification History Over ~2000 Years

Lake Ngoring sediment grain-size analysis reconstructs ~2000 years of aeolian activity in the Yellow River source region. Die Bai authored this dataset, which shows a sharp increase in desertification after ~1650 AD, driven by winter warming. The data was last updated on 2026-05-20.

Use Cases

• Modeling desertification feedback loops based on the identified link between winter warming and permafrost degradation.
• Analyzing long-term climate trends based on the ~2000-year record of aeolian activity.
• Correlating sedimentological and pollen records for independent ecological corroboration as described.
• Assessing ecological risk in vulnerable alpine regions based on the identified dominant driver of recent desertification.

Strengths

• Dataset provides a ~2000-year temporal record of environmental change.
• Findings are independently corroborated by pollen records as mentioned in the description.
• The 146.2 KB size indicates a focused, manageable dataset for analysis.

Limitations

• Row count and column-level documentation are unknown, limiting suitability assessment.
• The dataset's 146.2 KB size suggests a limited scope, potentially containing summary statistics rather than raw measurements.

Provenance

Source

Die Bai via figshare.

Collection Method

Grain-size analysis of sediments from Lake Ngoring.

Time Range

Past ~2000 years.

Freshness

Last updated 2026-05-20 14:38:13.

Geography

Yellow River source region, specifically Lake Ngoring.