Climate change leading to decreased water and sediment in Beiluo River.
The study looked at water and sediment changes in the Beiluo River's upstream area from 1959 to 2006. They found that precipitation, runoff, and sediment levels varied throughout the year and decreased over time, with a major shift in the early 1980s. Precipitation was the main factor affecting water and sediment levels from 1959 to 1979, while runoff was more influential from 1980 to 2006, with human activities playing a big role in sediment amounts.