Catchments - Rainfall-runoff processes
16 important questions on Catchments - Rainfall-runoff processes
Precipitation that falls on vegetation is categorized in interception (until interception capacity is reached) and throughfall. How does a part of intercepted precipitation still reach the soil?
What happens when the precipitation intensity is below the infiltration capacity?
What is the interception capacity dependant on?
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Why is soil compaction disadvantageous for the infiltration capacity?
Why can soil become hydrophobic?
What is the infiltration capacity dependent on?
What is soil compaction?
What is the water in the soil called?
Why does the infiltration capacity of the lower layer of soil increase during a rainfall event?
What are the upward and downward flows of water between saturated and unsaturated zone?
What facilitates percolation through the soil matrix?
What causes an overrun of water?
-infiltration excess (infiltration capacity is exceeded)
-saturation excess
-seepage (groundwater flows upwards to the surface
What causes the delayent of waterflow towards the catchment outlet?
When does surface runoff, or overland flow, occur?
(saturation excess overland flow&infiltration excess overland flow)
What does water level management in the netherlands look like? And why is it important?
It is important because it prevents sibsidence of peat soils, inundation (overstroming), brackish seepage (upwelling of deep salty groundwater), and a shortage of water for crops.
What is upward seepage?
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