ity and the impact of large-scale climate events on and refreezes each year. For decades the navy had weather patterns. This El Nino has helped establish collected data on ice thickness in the Arctic, which interagency, federal, and state partnerships to make was important information needed for navigation and de- practical use of climate forecasts." fense. The information, important to science, will now El Nino episodes usually occur approximately ev- provide a history of sea ice previously unavailable. ery two to seven years. Recent El Nino events oc- The data will build a baseline of sea-ice thickness curred in 1976-77,1982-83,1986-87,1991-93 , and in the Arctic basin to examine how global change af- 1994-95. fects ice cover. The Arctic Submarine Laboratory, on behalf of the Declassified Navy Data on Arctic Sea Ice Chief of Naval Operations, approved declassifying the Hoped to Provide Insight to Global Change sea-ice data within a specific swath of the Arctic Formerly classified data on the thickness of sea ice Ocean, roughly between Alaska and the North Pole. in the Arctic Ocean is being opened and will be ana- The area is known as the "Gore Box" for Vice Presi- lyzed and released over the next year and a half. The dent Al Gore's initiative to declassify Arctic military data, gathered by U.S. Navy submarines over several data for scientific use. decades, is from the first of approximately 20 cruise The data will provide a historical context for cur- tracks—an April 1992 transarctic ocean track. Infor- rent, more intensive studies of Arctic ice by the Sur- mation from the rest of the tracks or maps of the sub- fac e Heat Budget of the Arctic Ocean (SHEBA) marine route will be analyzed and released as well. project, in which the National Science Foundation has frozen a ship into the ice to serve as a floating science The data is hoped to provide hints about global change. platform for 13 months. SHEBA's aim is to chart the Climate modelers differ over the fate of the great fate of the pack ice, ultimately improving predictions expanse of Arctic sea ice. More than half the ice melts of global change. • The AMS updates its Web site with new information monthly. W e hope our membership and others interested in AMS will regularly go to the site to obtain the latest information on meetings, journals, chapters, AMS contacts, the monthly AMS Newsletter, and other information. In the past few months, we have added a number of new items. These are as follows. • Earth Sciences Historical Page • The Ninth Conference on Satellite Meteorology April 1998 AMS Newsletter • The AMS Conference on Cloud Physics • AMS Journals Online • Earth Interactions Online • April AMS Employment Announcements • 1997/98 CCM Directory • Online Abstract Submission • 1998 Dues Statement http://www.ametsoc.org/AMS 67 4 Vol. 79 , No. 4, April 1998
Bulletin of the American Meteorological Society – American Meteorological Society
Published: Apr 1, 1998
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