Your SlideShare is downloading. ×
0
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Wind
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Wind

1,169

Published on

Wind , Wind erosion, Wind transportation, Wind deposition

Wind , Wind erosion, Wind transportation, Wind deposition

Published in: Education
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
1,169
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
71
Comments
0
Likes
1
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Wind <br />Geography<br />Standard: VIII<br />
  • 2. Created by,<br />M.Kohila, M.A. M.Phil., B.A.(Eng),B.Ed.,B.A.(His)<br />S.M.R.V.H.S.S.,<br />VADASERY,<br />NAGERCOIL,<br />KANYAKUMARI DISTRICT,<br />TAMILNADU,<br />INDIA<br />
  • 3. LEARNING OBJECTIVES<br />Knows that wind is relatively insignificant erosional agent.<br /> Learns about the causes for sand storms and dust storms.<br />Undersands the formation of sand dunes.<br />
  • 4. Content<br />
  • 5. Wind<br />Air that moves across the earth’s surface is called wind.<br />
  • 6. Wind erosion<br /><ul><li>Wind erosion is effective in arid and semiarid areas.
  • 7. In humid places moisture bind particles together and vegetation anchor the soil .
  • 8. So wind erosion is negligible.
  • 9. For, wind to be effective ,dryness and scandyvegeation are prerequisites.
  • 10. Wind may pick up, transport, and deposit.</li></li></ul><li>Works of wind<br />Wind works in two ways to erode the materials. <br />They are a. By deflation and 2. by abration<br />Blow out<br />By deflation - <br />By Abration - Ventifacts<br />புடைத்தெடுத்தல் - ஊதுபள்ளங்கள்<br />உராய்ந்துதேய்த்தல்-பட்டைக்கற்கள்<br />
  • 11. Bed Loads<br />Sand Storm<br />Dust storm<br />Barchan dune<br />
  • 12.
  • 13. Longitudinal dune<br />Transverse dune<br />Loess<br />
  • 14. Loess and yellow river in China<br />Desert in central Asia<br />
  • 15. Wind Erosion – Land forms<br />
  • 16.
  • 17. The end<br />

×