Water Flashcards
(5 cards)
hat are the main water stores in the hydrological cycle?
Oceans: Hold about 96.9% of Earth’s water.
Cryosphere: Glaciers and ice caps.
Groundwater: Aquifers.
Surface Water: Rivers, lakes.
Soil Moisture: Water in unsaturated soil.
Atmosphere: Water vapor.
Biosphere: Water within living organisms.
Define key fluxes in the water cycle.
Evaporation: Water turning into vapor from surfaces.
Transpiration: Water vapor released from plants.
Condensation: Vapor cooling to form liquid.
Precipitation: Water falling as rain, snow, etc.
Infiltration: Water entering the soil.
Percolation: Water moving through soil to groundwater.
Runoff: Water flowing over land into water bodies
What is fossil water?
Ancient groundwater stored in aquifers for thousands of years.
Non-renewable on human timescales.
What is a drainage basin
An area of land where precipitation collects and drains off into a common outlet, like a river.
Bounded by a watershed.
what are the types of drought
Meteorological hydrological agricultural food deficit/economic