Snowmelt
Videos
In hydrology, snowmelt is surface runoff produced from melting snow. It can also be used to describe the period or season during which such runoff is produced. Water produced by snowmelt is an importa
Vegetation gives off heat, resulting in this circular snowmelt pattern.
2005 (Less dust)
2006 (More dust)
2008 (Less dust)
Flood
Videos
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 of significant concern in a
Urban flooding in a street in Morpeth, England, 2008
View of flooded New Orleans in the aftermath of Hurricane Katrina
Flooding of a creek due to heavy monsoonal rain and high tide in Darwin, Northern Territory, Australia
Flood in Jeddah, covering the King Abdullah Street in Saudi Arabia