This week, fizzy ocean water and the alkaline fluid that bubbles up from deep ocean vents are coursing through a structure at NASA’s Jet Propulsion Laboratory in Pasadena, Calif. that […]
Water/Hycean Worlds & Oceanography
Astrobiologist Dale Andersen Status Report 2 December 2012, Lake Untersee, Antarctica
Keith’s note: Dale Andersen just phone in his latest status report from his base camp at Lake Untersee, Antarctica. Dale was able to make his first dive under the ice […]
Astrobiologist Dale Andersen Status Report 30 November 2012, Lake Untersee, Antarctica
Keith’s note: I spoke with Dale Andersen at Lake Untersee, Antarctica today via satphone. The dive hole has been completed and is about 3 meters deep. Valeri and Vladimir are […]
Astrobiologist Dale Andersen Status Report 26 November 2012, Lake Untersee, Antarctica
With the small 25 cm diameter sampling hole opened in the south basin of Lake Untersee, Valery, Vladimir and Michael collected 30 liters of water that is now being filtered in […]
Astrobiologist Dale Andersen Status Report 25 November 2012, Lake Untersee, Antarctica
Looks like our nice weather may continue for a few days. Today Alfonso, Michael and I installed two small met stations to collect wind/temp/RH at two locations around the lake.
Astrobiologist Dale Andersen Status Report 24 November 2012, Lake Untersee, Antarctica
We are now fully operational at the Lake Untersee, all the tents are up and the weather has been cooperating nicely with little wind and sunny skies. I guess we need […]
Astrobiologist Dale Andersen Status Report 21 November 2012, Novolazarevskaya Station, Antarctica
Received from Dale Andersen Novolazarevskaya Station, Antarctica, on 21 November 2012 via Iridium email:
Ocean Deoxygenation, Past, Present, and Future
A front page article and supplemental material were published by the American Geophysical Union in the Nov. 15, 2011 issue of EOS on “Ocean Deoxygenation, Past, Present, and Future.” The […]
Away Team Update: A Pre-Mission Conversation With NASA NEEMO 15 Aquanaut Steve Squyres
Over the years NASA has mounted a series of NEEMO (NASA Extreme Environment Mission Operations) missions using NOAA’s Aquarius Reef Base located near Key Largo, Florida.
Cycling Nitrogen in Ancient Oceans
In recent years, scientists have found evidence that a ‘near complete’ biological nitrogen cycle existed in the oceans during the late Archean to early Proterozoic (from 2.5 to 2 billion […]
