1 / 17

The Water Cycle

The Water Cycle. Ellen Metzger BAESI Water in A Changing Climate July 2009. Water in the Earth System. What are some reservoirs for water in the Earth system? What are some processes that move water through the Earth system? What is the source of energy for the water cycle? .

erek
Télécharger la présentation

The Water Cycle

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Water Cycle Ellen Metzger BAESI Water in A Changing Climate July 2009

  2. Water in the Earth System • What are some reservoirs for water in the Earth system? • What are some processes that move water through the Earth system? • What is the source of energy for the water cycle?

  3. Earth’s Water http://oceanworld.tamu.edu/resources/environment-book/Images/earthwheredistribution.gif

  4. Freshwater Reservoirs Source: USGS

  5. How do human activities affect the water cycle?

  6. Human Activities and the Water Cycle • Overuse of groundwater: subsidence • Paving • Increased runoff • Decreased infiltration and recharge • Climate change: melting polar ice, sea level rise, different patterns of precipitation • Dams and reservoirs • Channelization of streams, removal of flood plains

  7. Undeveloped area Urban area Urban Water Cycle http://www.nccwep.org/stormwater/stormwater101/runoff.php

  8. Surface Water: Watersheds http://www.ducks.ca/resource/general/wetland/images/watrshed.jpg

  9. Water Cycle Reservoirs:Residence times

  10. Groundwater Source: USGS Terms: Water table Aquifer

  11. http://www.ec.gc.ca/Water/images/nature/grdwtr/a5f3e-rev.gif

  12. Overuse of Ground Water:Cone of Depression http://web.arc.losrios.edu/~borougt/ConeOfDepression.gif

  13. Subsidence in Santa Clara Valley Source: USGS

  14. Source: USGS

  15. Groundwater System – Santa Clara Valley http://www.museumca.org/creeks/images/GrndWtrP.gif

  16. San Joaquin Valley: Subsidence 1925-1977" From USGS Professional Paper 1401-A/ Photo by Dick Ireland, USGS, 1977

More Related