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Coastal flooding during Hurricane Lili in 2002 on Louisiana Highway 1 (United States). Coastal flooding occurs when dry and low-lying land is submerged by seawater. [1] The range of a coastal flooding is a result of the elevation of floodwater that penetrates the inland which is controlled by the topography of the coastal land exposed to flooding.
A marine transgression is a geologic event where sea level rises relative to the land and the shoreline moves toward higher ground, resulting in flooding. Transgressions can be caused by the land sinking or by the ocean basins filling with water or decreasing in capacity.
The Zanclean flood or Zanclean deluge is theorized to have refilled the Mediterranean Sea 5.33 million years ago. [1] This flooding ended the Messinian salinity crisis and reconnected the Mediterranean Sea to the Atlantic Ocean, although it is possible that even before the flood there were partial connections to the Atlantic Ocean. [2]
Global environmental issues also influence causes of floods, namely climate change which causes an intensification of the water cycle and sea level rise. [2]: 1517 For example, climate change makes extreme weather events more frequent and stronger. [3] This leads to more intense floods and increased flood risk. [4] [5]
The Washington Post looked back at the end of the last ice age, when studies suggest a “flood of freshwater spilled into the Atlantic, halting the AMOC and plunging much of the Northern ...
Sea level rise of 0.2–0.3 meters is likely by 2050. In these conditions what is currently a 100-year flood would occur every year in the New Zealand cities of Wellington and Christchurch. With 0.5 m sea level rise, a current 100-year flood in Australia would occur several times a year.
The level in the Black Sea before the marine reconnection was estimated to have been 30 m (100 ft) below present sea level, rather than 80 m (260 ft) of the catastrophe theories or even lower; if the flood occurred at all, the sea level increase and the flooded area during the reconnection were significantly smaller than previously proposed.
Flooding can strike in seconds or days in various forms, each with its own life-threatening potential. However, all types of flooding should be taken seriously. ... This causes water levels to ...