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Surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil.
Article. Vocabulary. Runoff occurs when there is more water than land can absorb. The excess liquid flows across the surface of the land and into nearby creeks, streams, or ponds. Runoff can come from both natural processes and human activity. The most familiar type of natural runoff is snowmelt.
Learn how precipitation runs off the land surface and flows into rivers and oceans, and how human activities affect runoff and water quality. Explore the factors that influence runoff, such as meteorological, geological, and land use conditions.
Surface runoff is the flow of water, primarily from rain or melted snow, over the ground surface towards rivers, lakes, and other water bodies.
Definition. Surface runoff refers to the flow of water that occurs when excess rainwater, meltwater, or irrigation water flows over the ground surface. This phenomenon is crucial in understanding how land use changes, such as urbanization or deforestation, can impact geomorphic processes. It affects soil erosion, water quality, and the ...
Surface runoff occurs when precipitation exceeds the infiltration capacity of the soil, often leading to excess water pooling on the surface. It plays a significant role in transporting nutrients and sediments from land to aquatic ecosystems, affecting their health and stability.
Learn about runoff, the part of precipitation that flows downhill as surface water, and how it affects the natural water cycle and the landscape. Find out how runoff can cause erosion, flooding, and water quality problems.
Runoff is the water that flows over the land surface or through the soil to a stream. Learn about the different types of runoff, such as surface runoff, interflow and base flow, and how they affect the hydrology and ecology of a region.
Surface runoff is the water that flows across the land surface to lower elevations when the rainfall exceeds the soil's infiltration rate. Learn how surface runoff occurs, how it is measured, and how it varies by continent and season.
Learn the definition and factors of surface runoff, the flow of water on the land surface when rainfall exceeds soil infiltration. Find related entries and content in Oxford Reference.