NASA researchers will join more than 350 scientists
\nfrom the United States, the European Union, Canada, Iceland,
\nJapan, Norway, Poland, Russia and Switzerland this winter to
\nmeasure ozone and other atmospheric gases using aircraft,
\nlarge and small balloons, ground-based instruments and
\nsatellites.<\/p>\n
\nThis second SAGE III Ozone Loss and Validation Experiment
\n(SOLVE II) campaign will be conducted in close collaboration
\nwith the European Commission, sponsored by the VINTERSOL
\n(Validation of International Satellites and Study of Ozone
\nLoss) campaign. (SAGE III stands for the third Stratospheric
\nAerosol and Gas Experiment.) SOLVE will take place in
\nKiruna, Sweden, the site of the first international effort
\nduring the winter of 1999-2000.<\/p>\n
“The primary goals of the joint SOLVE II-VINTERSOL campaign
\nare to further understanding of ozone loss processes in the
\nArctic, and verify that satellite observations of the ozone
\nlayer are accurate from space, ” said Michael Kurylo, SOLVE
\nII co-Program Scientist at NASA Headquarters, Washington.<\/p>\n
Ozone studies are important because the ozone layer prevents
\nthe sun’s harmful ultraviolet radiation from reaching the
\nEarth’s surface. Ultraviolet radiation is a primary cause of
\nskin cancer. Without protective upper-level ozone, there
\nwould be no life on Earth.<\/p>\n
The Arctic campaign will run from Jan. 8 through Feb. 6,
\n2003. Flights of large balloons will augment the aircraft
\ncampaign, extending the measurement period from late
\nNovember 2002 to late March 2003.<\/p>\n
During the campaign of 1999-2000, record ozone losses of 70
\npercent were observed at altitudes around 18 kilometers (11
\nmiles) and a great deal was learned about the processes
\nleading to the rapid ozone loss in the Arctic. The SOLVE II
\ncampaign will add to that body of knowledge.<\/p>\n
During the coming winter, scientists in SOLVE II-VINTERSOL
\nalso will work toward ensuring the accuracy of measurements
\nfrom current Earth observing satellites. Scientists will
\ntake measurements of the stratosphere using a large suite of
\ninstruments aboard NASA’s DC-8 aircraft and the European
\nhigh-flying aircraft M55 Geo-physica, the German DLR Falcon.
\nAn instrument from NASA’s Jet Propulsion Laboratory in
\nPasadena, Calif., will also fly on the M55 Geophysica. These
\nplanes will be based in Kiruna.<\/p>\n
Research balloons, carrying payloads weighing up to several
\nhundred pounds will be launched from Kiruna by teams from
\nthe Centre National d’Etudes Spatiales (France’s National
\nCenter for Space Studies) and NASA. A network of over 30
\nstations of ground-based instruments will take atmospheric
\nreadings over a wide area, which will show how the chemical
\ncomposition of Arctic stratosphere evolves through the whole
\nwinter.<\/p>\n
VINTERSOL is a pan-European campaign involving researchers
\nsupported by the European Commission and national research
\nagencies. NASA’s SAGE III satellite instrument is being used
\nto quantitatively assess ozone loss in the higher latitudes.
\nSAGE III was launched onboard a Russian Meteor-3M spacecraft
\non December 10, 2001. The validation of the SAGE III
\nobservations is a principal goal of SOLVE II.<\/p>\n
SOLVE II is sponsored by NASA’s Earth Science Enterprise,
\ndedicated to better understanding and protecting our home
\nplanet.<\/p>\n
For more information and images see:
\nhttp:\/\/www.gsfc.nasa.gov\/topstory\/20020930solve.html
\nhttp:\/\/svs.gsfc.nasa.gov\/stories\/solve\/<\/p>\n
For information about the SOLVE 2 Mission see:
\nhttp:\/\/cloud1.arc.nasa.gov\/solveII\/index.html<\/p>\n
For information about SAGE III see:
\nhttp:\/\/www-sage3.larc.nasa.gov\/<\/p>\n
For information about the VINTERSOL program see:
\nhttp:\/\/www.ozone-sec.ch.cam.ac.uk<\/p>\n","protected":false},"excerpt":{"rendered":"
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