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In geomorphology, a pluvial refers to a geologic episode, change, process, deposit, or feature that is the result of the action or effects of rain. Sometimes, it also refers to the fluvial action of rainwater flowing in a stream channel, including a flood, known as a pluvial flood, that is the direct result of excessive precipitation. [1] [2]
Pluvial, which is (almost) purely based on seasonal rainfall and not on snow. A peak is usually in winter, although it can occur at any point along the year. If it occurs in the time of monsoons, it is sometimes called tropical pluvial. Nivo-pluvial, with a nival peak in late spring and a pluvial peak in the fall. The main minimum is in winter.
A flood is an overflow of water that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrology and are of significant concern in agriculture, civil engineering and public health.
This word refers to a large, dark-brown animal that lives in (or around) African rivers. They are renowned for their barrel-shaped bodies, enormous heads and short legs.
A flash flood is a rapid and sudden flooding of low-lying areas. It typically occurs within a few hours, often even minutes, of heavy rainfall. This makes flash floods extremely dangerous as there ...
There are several types of urban flooding, each with a different cause. City planners distinguish pluvial flooding (flooding caused by heavy rain), fluvial flooding (caused by a nearby river overflowing its banks), or coastal flooding (often caused by storm surges). Urban flooding is a hazard to both the population and infrastructure.
refers to a "dominant discharge" or "channel-forming discharge", which is typically the 1–2 year flood, though there is a large amount of scatter around this mean. This is the event that causes significant erosion and deposition and determines the channel morphology.
2018 Maryland flood Just two years after a historic and deadly flash flood struck the region, another heavy rain bought around 8 inches (20 cm) in two hours to Elliccott City, Maryland, resulting in a disastrous that was assessed to be much worse than the previous one. This was the second "1000-year flood" event in two years. 4 July 2018: 0 ...