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Surface flow and overland flow are related but not exactly the same. Surface flow generally refers to water that moves across the ground surface, including both overland flow and water from other sources like melting snow or rainfall that doesn't infiltrate the soil. Overland flow specifically describes the movement of water over the land surface when rainfall exceeds the infiltration capacity of the soil, leading to runoff. Thus, while all overland flow is surface flow, not all surface flow is classified as overland flow.
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Distinguish between interception and overland flow?
interception-is the store of water droplets by plant leaves as rainfall occurs; overland flow-describes water which runs downslope in unconcentrated form such as sheet floods,rills and rivulets._by Malcom kahonde
What is surface flow?
Surface flow is when water from the rain runs on the surface into the ocean.
Does lava flow to the surface and become a magma?
No. Magma flows to the surface and becomes lava.
How does surface tension and viscosity affect the flow of liquids?
Surface tension affects how liquid molecules interact at the surface, causing liquids to form droplets or spread out. Viscosity is a measure of a liquid's resistance to flow, where high viscosity liquids flow slower than low viscosity liquids. Both properties can impact how liquids flow and behave in different situations.
How does surface tension relate to metal casting?
Surface tension in metal casting affects the flow and wetting of the molten metal on the mold surface. High surface tension can lead to poor flow and incomplete filling of the mold cavities, resulting in defects in the casting. Lowering surface tension through the addition of surfactants can improve the casting process by promoting better wetting and flow of the metal.
What is another name for surface runoff?
Another name for surface runoff is overland flow.
What does overland flow mean?
The surface flow is of two types 1. saturated flow, which is caused due to saturation of soil and 2. Hortonian flow, which is caused due to excess rainfall intensity. When the rainfall intensity exceeds the infilatration capacity of the soil, Hortonian flow takes place.
Distinguish between interception and overland flow?
interception-is the store of water droplets by plant leaves as rainfall occurs; overland flow-describes water which runs downslope in unconcentrated form such as sheet floods,rills and rivulets._by Malcom kahonde
What is the nature of the Hortonian Overland Flow?
Hortonian Overland Flow is characterized by pooling of water caused rainfall exceeding the rate at which water infiltrates the ground. It is most common in urban areas with paved surfaces.
That water that moves across Earths surface after rainfall is called what?
runoff
How does runoff distributed?
Runoff is distributed through surface flow, infiltration into the ground, and evaporation. When water falls onto the surface, it can either flow overland into streams and rivers, infiltrate into the ground to replenish groundwater, or evaporate back into the atmosphere. The distribution of runoff depends on factors such as topography, soil type, land use, and precipitation intensity.
What is surface flow?
Surface flow is when water from the rain runs on the surface into the ocean.
What are human causes of overland flow?
Human causes of overland flow include urbanization, which increases impervious surfaces like roads and buildings, preventing water from infiltrating into the ground; deforestation, which reduces vegetation that helps absorb and slow down water; and poor land management practices such as excessive tilling or removal of natural water-absorbing features like wetlands. These activities can exacerbate overland flow and lead to increased flooding and erosion.
Running water above earth surface?
Running water above the Earth's surface refers to water flowing over the ground in rivers, streams, and creeks. This water is sourced typically from rainfall, melting snow, or springs and plays a crucial role in shaping landscapes, providing habitats for numerous organisms, and serving as a vital resource for human activities such as agriculture and transportation. It also contributes to the water cycle by replenishing lakes and oceans.
Differentiate between open channel flow and pipe flow-?
The open channel flow has a free surface whereas the pipe flow has a closed surface.
Differentiate between open channel flow and pipe flow?
The open channel flow has a free or rather open surface whereas the pipe flow has a closed surface.
Are base flow same as groundwater?
Base flow is the portion of streamflow that comes from groundwater discharge, but it is not exactly the same as groundwater. Groundwater refers to the water stored underground in aquifers, while base flow specifically refers to the contribution of groundwater to streamflow during dry periods when surface runoff is low.
