VOL. 98 NO. 5 MAY 2017 Seafl oor in the MH370 Search Area What Is Snow Drought? Earth & Space Science News Earth’s Deep Carbon HOW HOT CAN ANTARCTICA GET? Earth & Space Science News Contents MAY 2017 PROJECT UPDATE VOLUME 98, ISSUE 5 24 Geological Insights from the Search for Malaysia Airlines Flight MH370 A rich trove of marine geophysical data acquired in the search for missing flight MH370 is yielding knowledge of ocean floor processes at a level of detail rare in the deep ocean. PROJECT UPDATE 30 Synthesizing Our Understanding of Earth’s Deep Carbon The Deep Carbon Observatory is entering a new phase, in which it will integrate 10 years of discoveries into an overarching model to benefit the scientific community 18 and a wider public. OPINION COVER Defining Snow Drought Evaluating the Highest Temperature 15and Why It Matters Swings from snow drought to extreme Extremes in the Antarctic winter rainfall make managing reservoirs The record high temperature for regions south of 60°S latitude is a balmy 19.8°C incredibly difficult. But what exactly is (67.6°F), recorded 30 January 1982 at a research station on Signy Island. “snow drought”? Earth & Space Science News Eos.org // 1 Contents DEPARTMENTS Editor in Chief Barbara T. Richman: AGU, Washington, D. C., USA; eos_
[email protected] Editors Christina M. S. Cohen Wendy S. Gordon Carol A. Stein California Institute Ecologia Consulting, Department of Earth and of Technology, Pasadena, Austin, Texas, USA; Environmental Sciences, Calif., USA; wendy@ecologiaconsulting University of Illinois at cohen@srl .caltech.edu .com Chicago, Chicago, Ill., José D.