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The Antarctic Sun: News about Antarctica - Groundwater could connect two of Earth's saltiest bodies of water

Research conducted with airborne instruments shows the presence of salty, unfrozen groundwater in the bitterly cold rocks below the Antarctic surface. A new study detailing the findings suggests deep conduits for brine could exist throughout the Wright Valley in Antarctica’s McMurdo Dry Valleys, potentially connecting two of Earth’s saltiest bodies of water. ....

Elise Overgaard , Ross Sea , Neil Foley , Slawek Tulaczyk , Lars Jensen , Hilary Dugan , University Of Wisconsin , University Of Montana , University Of California Santa Cruz , Don Juan , Don Juan Pond , Antarctic Sun Contributing , Wright Valley , Mcmurdo Dry Valleys , Juan Pond , Lake Vanda , Montana Western , California Santa Cruz , Transantarctic Mountains , Dry Valleys , Onyx River , Mcmurdo Station , Mcmurdo Dry Valleys , Bright Valley , Don Juan Pond , Lake Vanda ,

Ten Pioneering Women of Antarctica and the Places Named for Them | Travel

These coves, peaks, glaciers and other landmarks honor female explorers and scientists who have contributed to our understanding of the continent ....

Saint George , United States , United Kingdom , Ohio State University , San Diego , South Australia , New Zealand , Scripps Institution Of Oceanography , Alexander Island , Western Australia , Carmen Pujals Cove , Terry Tickhill , Antarctic Atlas , Barbara Hillary , Mount Fiennes , Felicity Aston , Karen Heywood , Irene Peden , Eileen Mcsaveney , Robert Scott , Irene Bernasconi , Arctic Ocean , Margaret Bradshaw , Ingrid Christensen , Bernasconi Cove , Lois Jones ,

Frontiers | Geochemically Defined Space-for-Time Transects Successfully Capture Microbial Dynamics Along Lacustrine Chronosequences in a Polar Desert

The space-for-time substitution approach provides a valuable empirical assessment to infer temporal effects of disturbance from spatial gradients. Applied to predict the response of different ecosystems under current climate change scenarios, it remains poorly tested in microbial ecology studies, partly due to the trophic complexity of the ecosystems studied. The McMurdo Dry Valleys of Antarctica represent a trophically simple polar desert projected to experience drastic changes in water availability under current climate change predictions. We used this ideal model system to develop and validate a microbial space-for-time sampling approach, using the variation of geochemical profiles that follow alterations in water availability and reflect past and future changes in the system. Our framework measured soil electrical conductivity, pH, and water activity in situ to geochemically define 17 space-for-time transects from the shores of four dynamic and two static Dry Valley lakes. We ident ....

United States , New York , New Zealand , Taylor Valley , United Kingdom , States Lee , Mdvs Niederberger , Ramoneda Massague , Lakes Vanda , Van Horn , Rr Core Team , Microbial Community Analysis , Zealand Antarctic Research Institute , Zealand Ministry Of Business , Microbial Community Composition Along Wetness Transects , Cambridge University Press , Facility University Of Waikato , Contribution Of Working Group , Invitrogen Inc , R Foundation For Statistical Computing , Cambridge University , University Of Waikato Doctoral Scholarship , Microbial Community Structure Along Wetness Transects , Scott Base The New Zealand , Community Ecology Package , Valley Ecosystem Resilience Dryver Programme ,