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The Human Impact on the Water Cycle

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Patrick TomHon

on 6 December 2011

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Transcript of The Human Impact on the Water Cycle

jkhlihli Precipitation Runoff Seepage Root Uptake Evaporation Transpiration Condensation Condensation Transpiration Root Intake Ground Water Infiltration Snow/Ice Melt - Controlled Runoff Flow of Water to Oceans Evaporation Ground Water Discharge Snow/Ice Melt - Surface Runoff Precipitation Water vapor rises up in the air and gets cold and condenses into clouds.
The clouds gradually grow heavier as the water vapor condenses more and more. Human Involvement in the Water Cycle The Impact of Human Activities on
The WATER CYCLE The Water Cycle There is a lack of IC in urban enviroments
Impervious Cover (IC) This lack of IC allows for water to flow quickly through streets and drainage systems to streams and rivers. This increases the speed of the water in the river and causes greater erosion. The lack of IC in urban areas could also lead to increased flooding possibilities Works Cited http://www.coastal.ca.gov/nps/watercyclefacts.pdf
http://ga.water.usgs.gov/edu/watercyclegwdischarge.html Heat from sun rises the temperature of water in lakes and ocean causing the water to turn to vapor. The water then rises. When water vapor from the plants is lost
from the leaves, stems or roots (like sweating
for plants). When too much water is condensed in the clouds, the clouds
can no longer hold it. The water then falls to earth as snow,
hail or rain. Plan to Help Combat Deforestation and Pollution Increase in CO2 in the Atmosphere Deforestation and Pollution Deforestation and Pollution are wrecking havoc on our Water Cycle and are even effecting our everyday lives How is CO2 Increased? Natural Processes
- Volcanic Activity
- Erosion
- Respiration
Human Activities
- Cutting and Burning Forests
- Burning Fossel Fuels
- Mining CO2 improves the efficiency of enzymes in chloroplasts, effecting stomata openings and the amount of water plants release and absorb Increase of groundwater and water in lakes, rivers, and streams Lower Stomatal openings may affect the rate of transpiration This in turn may further decrease already declining precipitation The ocean level can also rise with the increase of global temperatures This can affect tides and currents, which can lead to devastating affects on fishing industries and marine ecosystems Government/Community Efforts
- Planting of trees around communities
- Planting of various plants along riverbanks
- Limiting certain high CO2 producing industries
- Passage of laws that force corporations to use
"Green" practices Individual Efforts
- Planting of trees and other plants around homes
- Greater citizen involvement in raising enviromental awareness Runoff from precipitation that is "controlled" in streams and rivers. Usually begins as surface runoff. Runoff from precipitation that flows overland, and could possibly flow into streams and rivers. It could also evaporate or inflitrate into the groundwater. Some precipitation or surface runoff penetrates the earth into ground water. This water can penetrate aquifers or remain upper areas of the water table. The water moves out of the ground. When water flows into the ground after precipitation it becomes ground water. Ground Water Discharge is when the ground water comes up from the ground through underground streams, underground rivers, or man-made water outlets.
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