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BOREAS_RS3ATMOS BOREAS RSS-03 Atmospheric Conditions from a Helicopter-Mounted Sunphotometer WALTHALL, C.L.; LOECHEL, S. BOREAS RSS-03 Atmospheric Conditions from a Helicopter-Mounted Sunphotometer 1999 Oak Ridge, Tennessee, U.S.A. Oak Ridge National Laboratory Distributed Active Archive Center Online Files doi:10.3334/ORNLDAAC/288 288

ABSTRACT: The BOREAS RSS-03 team collected and processed helicopter-based measurements of atmospheric conditions to estimates of aerosol optical thickness and atmospheric water vapor. The automatic sun-tracking photometer for helicopters was deployed during all three IFC's of 1994 at numerous tower and auxiliary sites in both the NSA and SSA. Seven spectral channels (440, 540, 613, 670, 870 and 1030 am) were chosen to span the visible and NIR wavelengths and to avoid gaseous absorption. One additional channel, 940 nm, was selected to measure the water column abundance above the helicopter platform.

1994-05-31 1994-09-16 COMPLETE 53.59 56 -106.2 -97.34 ESIP Earth Science Information Partners Program EOSDIS Earth Observing System Data Information System TECHNICAL CONTACT ORNL DAAC User Services ORNL DAAC USER SERVICES OFFICE OAK RIDGE NATIONAL LABORATORY OAK RIDGE, TENNESSEE 37831 USA DIF AUTHOR ORNL DAAC User Services ornldaac@ornl.gov (865) 241-3952 (865) 574-4665

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P.O. Box 2008, MS 6407

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Oak Ridge Tennessee 37831-6407 USA 1999-01-30 ORNL_DAAC THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC) http://daac.ornl.gov/ 288 DATA CENTER CONTACT ORNL DAAC USER SERVICES ornldaac@ornl.gov +1(865)241-3952 +1(865)574-4665

ORNL DAAC USER SERVICES OFFICE

P.O. Box 2008, MS 6407

Oak Ridge National Laboratory

Oak Ridge Tennessee 37831-6407 USA EARTH SCIENCE ATMOSPHERE AEROSOLS AEROSOL OPTICAL DEPTH/THICKNESS EARTH SCIENCE ATMOSPHERE ATMOSPHERIC WATER VAPOR WATER VAPOR SUN PHOTOMETERS HELICOPTER EARTH SCIENCE HELICOPTER SUNPHOTOMETER OPTICAL THICKNESS GET DATA http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=288 VIEW RELATED INFORMATION https://daac.ornl.gov//BOREAS/guides/RSS03_Helo_Sun_Photo.html BOREAS RSS-03 Atmospheric Conditions from a Helicopter-Mounted Sunphotometer USA/NASA ENGLISH GCMD CEOS IDN DIF VERSION 9.0