Nimbus-7 Total Ozone Mapping Spectrometer (TOMS) Data Products User's GuideRichard D. McPeters, P. K. Bhartia, Arlin J. Krueger...[et Al.]. PDF Download
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Author: Richard D. McPeters
Publisher:
ISBN:
Category :
Languages : en
Pages : 67
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Book Description
Author: Richard D. McPeters
Publisher:
ISBN:
Category :
Languages : en
Pages : 67
Get Book Here
Book Description
Author: Richard D. McPeters
Publisher:
ISBN:
Category :
Languages : en
Pages : 67
Get Book Here
Book Description
Author: Richard D. McPeters
Publisher:
ISBN:
Category : Atmospheric ozone
Languages : en
Pages : 88
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722670399
Category :
Languages : en
Pages : 78
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Book Description
Two data products from the Total Ozone Mapping Spectrometer (TOMS) onboard Nimbus-7 have been archived at the Distributed Active Archive Center, in the form of Hierarchical Data Format files. The instrument measures backscattered Earth radiance and incoming solar irradiance; their ratio is used in ozone retrievals. Changes in the instrument sensitivity are monitored by a spectral discrimination technique using measurements of the intrinsically stable wavelength dependence of derived surface reflectivity. The algorithm to retrieve total column ozone compares measured Earth radiances at sets of three wavelengths with radiances calculated for different total ozone values, solar zenith angles, and optical paths. The initial error in the absolute scale for TOMS total ozone is 3 percent, the one standard deviation random error is 2 percent, and drift is less than 1.0 percent per decade. The Level-2 product contains the measured radiances, the derived total ozone amount, and reflectivity information for each scan position. The Level-3 product contains daily total ozone amount and reflectivity in a I - degree latitude by 1.25 degrees longitude grid. The Level-3 product also is available on CD-ROM. Detailed descriptions of both HDF data files and the CD-ROM product are provided. McPeters, Richard D. and Bhartia, P. K. and Krueger, Arlin J. and Herman, Jay R. and Schlesinger, Barry M. and Wellemeyer, Charles G. and Seftor, Colin J. and Jaross, Glen and Taylor, Steven L. and Swissler, Tom and Torres, Omar and Labow, Gordon and Byerly, William and Cebula, Richard P. Unspecified Center...
Author:
Publisher:
ISBN:
Category : Ozone
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Atmospheric ozone
Languages : en
Pages : 68
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Book Description
Two data products from the Total Ozone Mapping Spectrometer (ADEOS/TOMS) have been archived at the Distributed Active Archive Center, in the form of Hierarchical Data Format files.
Author:
Publisher:
ISBN:
Category : Ozone layer
Languages : en
Pages : 85
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Book Description
Author:
Publisher:
ISBN:
Category : Nimbus (Meteorological satellite)
Languages : en
Pages : 85
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Book Description
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781723769788
Category : Science
Languages : en
Pages : 38
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Book Description
Data from the TOMS series of instruments span the time period from November 1978, through the present with about a one and a-half year gap from January 1994 through July 1996. A set of four parameters derived from the TOMS measurements have been archived in the form of daily global maps or Level-3 data products. These products are total column ozone, effective surface reflectivity, aerosol index, and erythermal ultraviolet estimated at the Earth surface. A common fixed grid of I degree latitude by 1.25 degree longitude cells over the entire globe is provided daily for each parameter. These data are archived at the Goddard Space Flight Center Distributed Active Archive Center (DAAQ in Hierarchical Data Format (HDF). They are also available in a character format through the TOMS web site at http: //toms.gsfc.nasa.gov. The derivations of the parameters, the mapping algorithm, and the data formats are described. The trend uncertainty for individual TOMS instruments is about 1% decade, but additional uncertainty exists in the combined data record due to uncertainty in the relative calibrations of the various TOMS.McPeters, Richard D. and Bhartia, P. K. and Krueger, Arlin J. and Herman, Jay R. and Wellemeyer, Charles G. and Seftor, Colin J. and Byerly, William and Celarier, Edward A.Goddard Space Flight CenterTOTAL OZONE MAPPING SPECTROMETER; AEROSOLS; REFLECTANCE; CALIBRATING; OZONE; ESTIMATING; ALGORITHMS; EARTH SURFAC
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722365073
Category :
Languages : en
Pages : 72
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Book Description
Two data products from the Earth Probe Total Ozone Mapping Spectrometer (EP/TOMS) have been archived at the Distributed Active Archive Center, in the form of Hierarchical Data Format files. The EP/ TOMS began taking measurements on July 15, 1996. The instrument measures backscattered Earth radiance and incoming solar irradiance; their ratio is used in ozone retrievals. Changes in the reflectivity of the solar diffuser used for the irradiance measurement are monitored using a carousel of three diffusers, each exposed to the degrading effects of solar irradiation at different rates. The algorithm to retrieve total column ozone compares measured Earth radiances at sets of three wavelengths with radiances calculated for different total ozone values. The initial error in the absolute scale for TOMS total ozone is 3 percent, the one standard deviation random error is 2 percent, and the drift is less than 0.5 percent over the first year of data. The Level-2 product contains the measured radiances, the derived total ozone amount, and reflectivity information for each scan position. The Level-3 product contains daily total ozone and reflectivity in a 1-degree latitude by 1.25 degrees longitude grid. Level-3 files containing estimates of LTVB at the Earth surface and tropospheric aerosol information are also available, Detailed descriptions of both HDF data-files and the CD-ROM product are provided. McPeters, R. and Bhartia, P. K. and Krueger, A. and Herman, J. and Wellemeyer, C. and Seftor, C. and Jaross, G. and Torres, O. and Moy, L. and Labow, G. and Byerly, W. and Taylor, S. and Swissler, T. and Cebula, R. Goddard Space Flight Center...