The Nansen Ice Shelf

NASA scientists and ice sheet modelers, Ryan Walker and Christine Dow, traveled to a remote location on the coast of Antarctica to investigate how tides affect the movement and stability of the Nansen Ice Shelf, a 695-mile extension of ice protruding into Antarctica’s Ross Sea. Relatively understudied, Nansen’s manageable size lends itself to becoming a…

Little Algae creates Huge Melt Feedback on Greenland Ice

Algae responsible for large albedo feedback on Greenland’s frozen surface, not only soot and dust. We believe gathering measurements from the surface of Greenland ice is fundamental to advancing our understanding of the melting Arctic. http://darksnowproject.org Video via https://www.youtube.com/user/greenman3610 Dark Snow 2017 Update “Am I really seeing that?” is a common sensation here, as below,…

Climate Expert Mike Mann: Understanding Dire Climate Predictions

This 2016 lecture featuring Michael E Mann http://www.meteo.psu.edu/holocene/public_html/Mann/index.php begins with a review of the now-solid evidence for a human influence on the climate of recent decades. Such evidence includes instrumental measurements available for the past two centuries, paleoclimate observations spanning more than a millennium, and comparisons of the predictions from computer models with observed patterns…

Extreme Weather Impacts in the U.S. (June 20-21 2017)

Tropical Storm Cindy Triggers Flooding Along Gulf Coast; State of Emergency Declared in Alabama https://weather.com/storms/hurricane/news/tropical-storm-cindy-impacts-gulf-coast Deadly heat waves becoming more common due to climate change http://edition.cnn.com/2017/06/19/world/killer-heat-waves-rising/index.html Phoenix Flights Cancelled Because It’s Too Hot For Planes https://www.youtube.com/watch?v=E75PeHDnkBw ‘This is on another level’: They came, they camped, they baked at Death Valley http://edition.cnn.com/2017/06/20/us/death-valley-california-extreme-heat/index.html Number of heat days…