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Ф Physical change from liquid to gas Ф 600 calories evaporate 1 gram H 2 O Ф Solar Radiation, Air Temperature, Vapor Pressure, Wind all affect rate

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Ф Physical change from liquid to gas

Ф 600 calories evaporate 1 gram H2O

Ф Solar Radiation, Air Temperature, Vapor Pressure, Wind all affect rate of evaporation

Ф Evaporated moisture enters the atmosphere as water vapor

Ф When water falls from the atmosphere to the ground, it is called precipitation

Ф Caused by either the coalescence process or the ice-crystal process.

Ф Rain, snow, sleet, and hail are all forms of precipitation.

Ф 3 major ways water is stored: vapor in atmosphere, liquid or solid on surface and liquid in ground.Ф Surface storage occurs in oceans, lakes, reservoirs, and glaciersФ Under ground storage occurs in soil, aquifers, and crevices of rock formationsФ In general, water storage is places where water is stored until it reenters the cycle

Ф Water vapor is a byproduct of photosynthesis.

Ф Water in the soil is absorbed by plants.

Ф Plants break down the water into hydrogen and oxygen in photosynthesis, however much of the water absorbed is released back into the atmosphere through the pores of leaves.

Ф When the plants die the water in its tissues is released back into the environment.

Ф Runoff is a flow from a drainage basin or watershed

Ф Usually unaffected by artificial diversions.

Ф Total runoff is made of precipitation, surface runoff, and groundwater runoff.

Ф Total runoff in stream channels is called streamflow.

Ф When water is dumped back into the ocean or a main body of water its is called ground water discharge.

Ф Percolation is when water moves through soil.

Ф Gravity is the main source of locomotion, the forth is water.

Ф Vadose is the water that exists in the aerated zone of soil.

Ф Ground water is found in the saturated zone of soil.

Ф Water percolates and is stored in aquifers.

Ф Physical process of moving H2O through top area of soil is infiltration.

Ф Amount of water transferred depends on porosity and permeability of soil.

Ф Other factors: puddles on surface, texture and structure of soil, moisture, and water concentration in soil.

Ф Condensation is when water vapor changes to a liquid.

Ф In condenses into airborne particles, either form dew, clouds or fog.

Ф Condensation results from a cooling of air or from the increasing amount of vapor in air, to the saturation point.

Ф When water condenses, 600 cal is released into the environment.

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