Karst slopes at risk: Erosion surges with longer slopes, threatening communities.
The study looked at how different lengths of slopes affect soil erosion during rainfall in a Karst landscape. By studying various rainfall patterns and slope lengths, researchers found that as slopes get longer, runoff water and sediment deposit amounts change in different ways. They classified rainfall into three types based on intensity and duration and observed that sediment yield increased with slope length under one type but had a critical length in others. The relationship between slope length and runoff/sediment varied depending on the rainfall type. They found that certain combinations of rainfall factors significantly affected the amount of runoff and sediment. In general, longer slopes tended to produce more sediment, especially under specific rainfall conditions. The study suggests there is a complex connection between slope length, rainfall, and erosion in Karst landscapes.