Thursday, April 15, 2010

Eyjafjallajökull volcano eruption.



Eyjafjallajökull volcano eruption in south Iceland. Video by Icelandic National TV station RÚV. 24.03.2010. Music by Sion, Ambients, Freefalling. GPS coordinates of the eruption: 63.635° N, 19.440° W. YouTube
Read about Eyjafjallajökull volcano:
- Katla and Eyjafjallajökull Volcanoes: sciencedirect.com
- Eyjafjallajökull eruption: 20 March to present: earthice.hi.is

Friday, April 2, 2010

Ice Sheet Melt Identified as Trigger of 'Big Freeze'.

A new paper, which is published in Nature on April 1, 2010, has identified a mega-flood path across North America which channelled melt-water from a giant ice sheet into the oceans and triggering the Younger Dryas cold snap.

The study will help shed light on the implications of fresh water input into the North Atlantic today. There are current concerns that changes in the salinity of the ocean today, could cause another shut down of the Gulf Stream. Current climate changes, including global warming, may be altering the planetary system which regulates evaporation and precipitation, and moves fresh water around the globe. Cited from sciencedaily.com.

Read more ….