Pedology (from Greek: πέδον, pedon, “soil”; and λόγος, logos, “study”) is the study of soils in their natural environment. http://en.wikipedia.org/wiki/Pedology_(soil_study)

An introduction to Permafrost

A brief introduction to permafrost, including newer findings. Credits======National Park ServiceMariama DryakZachary RichterSWIPA 2017Vladimir Romanovsky Sources======Climate Change in the Arctichttps://www.nps.gov/media/video/view.htm?id=C352BB55-1DD8-B71C-079DCE23BBA86D5E Permafrosthttps://www.nps.gov/media/video/view.htm?id=C352BB55-1DD8-B71C-079DCE23BBA86D5E Teaser image International Permafrost Association https://ipa.arcticportal.org/publications/occasional-publications/what-is-permafrost

Permafrost may release largest Mercury source on Earth

There are 32 million gallons worth of mercury, or the equivalent of 50 Olympic swimming pools, trapped in the permafrost. For context, that’s “twice as much mercury as the rest of all soils, the atmosphere, and oceans combined. And it could be released. https://www.washingtonpost.com/news/energy-environment/wp/2018/02/05/the-arctic-is-full-of-toxic-mercury-and-climate-change-is-going-to-release-it   Ambarchik: Research on permafrost at the Siberian arctic coast https://www.youtube.com/watch?v=ZhGcJnRgzy4…

Arctic Sea Ice and Permafrost Status Report 2017

The Arctic is warming faster than anywhere else on Earth, affecting people in the region, fish and wildlife they depend on for food, and their environment. This unprecedented change has ramifications far beyond the region for the global economy, weather, climate, sea level, trade and security.  Highlights https://www.climate.gov/Arctic-2017Read the report at http://acrtic.noaa.gov/report-card

Experts: Permafrost + Gas Hydrates in Arctic, Greenland SLR, Security

In this panel, Vladimir Romanovsky (University of Alaska Fairbanks), talks about thawing permafrost. Anders Levermann (PIK) 12:30 ,talks about Greenland’s contribution to sea level rise, David Titley (Ret. U.S. Navy Admiral, now Pennsylvania State University) 23:38 , talks about security, with a subsequent panel discussion 33:34 . Video via Earth Institute https://www.youtube.com/watch?v=GFe3GOCBZO8

Sand?! Before and After Irma Florida

NASA MODIS satellite imagery reveals large amounts of newly deposited sand. Where did the sand came from? Where will it go? Before/after #Irma shot of S Florida. Note all the sediment stirred up in the shallow waters! MODIS imagery https://twitter.com/NWSCaribou/status/907296983718748161 What a difference a week makes, Turks and Caicos before and after #Irma https://twitter.com/AstroKomrade/status/906930295495999488