1 / 11

The Water Cycle

The Water Cycle. Water on Planet Earth. The Water Cycle. Water Molecule Cycle Time ~ 1 year. The Water Cycle. Water Covers 2 / 3 of Our Planet. BUT 97% is Salty Water Of the 3% Fresh Water: 2% is frozen in ice Only 1% is available for Drinking & growing crops. Polar Glaciers.

patsy
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 Water on Planet Earth

  2. The Water Cycle Water Molecule Cycle Time ~ 1 year

  3. The Water Cycle

  4. Water Covers 2/3 of Our Planet • BUT 97% is Salty Water • Of the 3% Fresh Water: • 2% is frozen in ice • Only 1% is available for Drinking & growing crops Polar Glaciers Mountain Snow & Glaciers

  5. Fresh Water Locations on Our Planet • Almost 70% is locked up in Ice • About 30% is in Groundwater (Underground Aquifers) • < 1% is in Lakes, Rivers, & Wetlands

  6. Fresh Water Uses in Society • 70% of fresh water is used to grow food • 83,000,000 more people need to eat & drink every year • Americans use 100 gal/day; 3rd world countries use < 5 gal/day • We’re draining Aquifers faster than the natural recharge rate due to our population growth

  7. Our Thirsty World: Fresh Water

  8. Drinking Water: Sources & Stressors

  9. Parched in India: Mobbing the Well

  10. River Meanders

  11. The Ocean Floor

More Related