Presentation is loading. Please wait.

Presentation is loading. Please wait.

(Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Observed Changes in Snow, Ice and Frozen Ground Primary Source:

Similar presentations


Presentation on theme: "(Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Observed Changes in Snow, Ice and Frozen Ground Primary Source:"— Presentation transcript:

1 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Observed Changes in Snow, Ice and Frozen Ground Primary Source: IPCC WG-I Chapter 4 - Observations: Changes in Snow, Ice and Frozen Ground

2 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Components of the Cryosphere On land - 75% of world’s freshwater 10% of land surface 7% of ocean surface (annual ave.)

3 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Change in Spring Snowcover March-April Isotherms [˚C] (change during the satellite era)

4 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Ice Freeze & Breakup Dates Northern Lakes and Rivers Later freezing: ~ 6 days/100-yr Earlier breakup: ~ 6 days/100-yr

5 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Change in Sea Ice Extent (National Snow and Ice Data Center)

6 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Arctic Sea Ice Extent 2007: Lowest 2008: Second lowest 2009: Third lowest

7 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4)

8 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4)

9 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4)

10 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4)

11 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4)

12 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Arctic Sea Ice Extent (National Snow and Ice Data Center) 2007: Lowest 2008: Second lowest 2009: Third lowest

13 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Arctic Sea Ice Thickness (National Snow and Ice Data Center)

14 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Changes in Glacier Length

15 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Changes in Glacier Mass Balance

16 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Change in Greenland’s Elevation ( /1999)

17 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Change in Antarctica’s Elevation ( )

18 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Changes in Active-Layer Thickness and Depth of Seasonal Freeze 5%-95% confidence interval

19 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Area of Seasonally Frozen Ground (Northern Hemisphere)

20 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Summary of Changes

21 (Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) END Observed Changes in Snow, Ice and Frozen Ground


Download ppt "(Mt/Ag/EnSc/EnSt 404/504 - Global Change) Observed Snow & Ice (from IPCC WG-I, Chapter 4) Observed Changes in Snow, Ice and Frozen Ground Primary Source:"

Similar presentations


Ads by Google