Your SlideShare is downloading. ×
A GIS-based Modeling For Groundwater Vulnerability Index in Tuul River Basin, North Central Mongolia
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

A GIS-based Modeling For Groundwater Vulnerability Index in Tuul River Basin, North Central Mongolia

1,383

Published on

Published in: Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,383
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
46
Comments
0
Likes
0
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. A GIS-based Modeling For Groundwater Vulnerability Index in Tuul River Basin, North Central Mongolia
    V.Ulziisaikhan, M-Eng., PhD Student, MUST
    Email: terelj@gmail.com
    N.Jadambaa, PhD - Hydrogeology
    Email: jadambaa_n@yahoo.com
    D.Batjargal, BSc. – Hydrogeology
    Email: bachka_8@yahoo.com
    Ulaanbaatar, 2010
  • 2. A GIS-based Groundwater Vulnerability Index in Tuul River Basin, Mongolia
    Study Area: Tuul River Basin, Mongolia
    Geography:
    • Elevation: 742 ~ 2780 m
    • 3. Area: 49,744 sq. km
    • 4. River length: over 700 km
    • 5. Upstream: From Terelj, Khentii Mountain
    • 6. Downstream: To Orkhon river
    Climate:
    • Mean annual temperature 0.2 ~ -4.3 C
    • 7. Precipitation ranges 240 ~ 392 mm
    • 8. Annual potential evaporation - mm
  • Groundwater Exploitable Resource Map -Tuul River Basin
  • 9. METHODLOGY
    DRASTIC - US Environmental Protection Agency (Aller et al. 1987)
    DRASTIC Index = Dx5 + Rx4 + Ax5 + Sx2 + Tx1 + Ix5 + Cx3
  • 10. Parameter Map – Depth to Water
  • 11. Parameter Map - Recharge
  • 12. Parameter Map – Aquifer Media
  • 13. Parameter Map- Soil Texture
  • 14. Parameter Map- Topography
  • 15. Parameter Map- Vados Zone (I)
  • 16. Parameter Map- Conductivity
  • 17. RESULT – ҮР ДҮН

×