1 / 8

Brad Paisley - Water https://youtube/watch?v=1AHnQtY1bg4

Brad Paisley - Water https://www.youtube.com/watch?v=1AHnQtY1bg4. https://www.google.com/search?q=brad+paisley+water&hl=en&qscrl=1&rlz=1T4RNQN_enUS489US489&source=lnms&tbm=isch&sa=X&ei=DlkzU52oDYTk2QWNlIG4AQ&sqi=2&ved=0CAcQ_AUoAg&biw=1067&bih=493#imgdii =_.  Section 7: Water Salinization.

Download Presentation

Brad Paisley - Water https://youtube/watch?v=1AHnQtY1bg4

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. Brad Paisley - Water https://www.youtube.com/watch?v=1AHnQtY1bg4 https://www.google.com/search?q=brad+paisley+water&hl=en&qscrl=1&rlz=1T4RNQN_enUS489US489&source=lnms&tbm=isch&sa=X&ei=DlkzU52oDYTk2QWNlIG4AQ&sqi=2&ved=0CAcQ_AUoAg&biw=1067&bih=493#imgdii=_

  2.  Section 7: Water Salinization http://concealwhileyouheal.com/community/become-a-beach-babe-thanks-to-these-ocean-benefits/

  3. 57. When freshwater resources become saline, they can no longer be used for irrigation or drinking. Saline water is toxic to plants, and high sodium levels cause dry soils to become hard and compact and reduce their ability to absorb water. Salinity is not dangerous to humans, but water becomes nonpotable for human consumption at about 250 mg/l. http://www.steveshamesphotos.com/nevada21.htm

  4. 58. What can increase salt concentrations in water and soils in several ways? Groundwater extraction and irrigation can increase salt concentrations in water and soils. First, irrigation increases the salinity of soil water when evaporation removes water but leaves salt behind. Irrigation has caused high salinity levels in what areas in the United States? the lower reaches of the Colorado River, and California's Central Valley Aerial view of central California fields suffering from severe salinization. Source: � United States Department of Agriculture, Agricultural Research Service

  5. Irrigation can also cause salinization by what (2) ways? • by raising the water table and lifting saline groundwater near the surface into the root zone Irrigation, Kufra Growing, Sahara, Africa Wallpapers-diq.com

  6. 60. A third type of salinization occurs in coastal areas, where excessive groundwater pumping draws seawater into aquifers and contaminates wells. In coastal aquifers freshwater floats on top of denser seawater. When this lens of freshwater is diminished by withdrawals, seawater rises up from below. If you poured some ocean water into a lake, the ocean water would sink to the bottom. (Temperature dependent) http://spaceplace.nasa.gov/ocean-currents/en/

  7. Salt (sodium chloride) in solid form and in a liquid, 23% solution called brine The Institute of Ecosystem Studies found that salinity levels have also increased significantly in urban and suburban areas in the northeastern United States. The authors attributed this rise to two main factors? use of salts for de-icing roads in winter and increased levels of street paving http://www.go-explore-trans.org/green-scene-fighting-the-white-stuff/

More Related