[Parameters: Topic='ATMOSPHERE', Term='AIR QUALITY', Variable_Level_1='PARTICULATES']
MISR Level 3 Daily FIRSTLOOK Global Aerosol Product in netCDF V002Entry ID: MI3DAENF2
Abstract: The MISR Level 3 FIRSTLOOK Global Aerosol Product in netCDF format covering a day contains a statistical summary of column aerosol 555 nanometer optical depth, and a monthly aerosol compositional type frequency histogram. This data product is a global summary of the Level 2 aerosol parameters of interest averaged over a day and reported on a geographic grid, with resolution of 0.5 degree by 0.5 ... degree.
The FIRSTLOOK processing uses the new time dependence of the Atmospheric and Surface Climatology (TASC) from the same month/previous year. The TASC data set now contains snow-ice and ocean surface wind speed values that are updated on a monthly basis therefore, these data sets cannot be generated until the end of the month. Products generated are distinguished by the presence of "FIRSTLOOK" in the file names.
The MISR instrument consists of nine pushbroom cameras which measure radiance in four spectral bands. Global coverage is achieved in nine days. The cameras are arranged with one camera pointing toward the nadir, four cameras pointing forward and four cameras pointing aftward. It takes 7 minutes for all ninecameras to view the same surface location. The view angles relative to the surface reference ellipsoid, are 0, 26.1, 45.6, 60.0, and 70.5 degrees. The spectral band shapes are nominally gaussian, centered at 443, 555, 670, and 865 nm.
Start Date: 2007-06-01
Latitude Resolution: 0.5 Degree
Longitude Resolution: 0.5 Degree
Horizontal Resolution Range: 10 km - < 50 km or approximately .09 degree - < .5 degree
Temporal Resolution: Daily
Temporal Resolution Range: Daily - < Weekly
ISO Topic Category
Data Set Progress
Distribution Media: Online
Distribution Format: HDF and NetCDF
Role: DIF AUTHOR
Email: support-asdc at earthdata.nasa.gov
NASA Langley Atmospheric Science Data Center User and Data Services NASA Langley Research Center Mail Stop 157D
Province or State: VA
Postal Code: 23681-2199
Email: david.j.diner at nasa.gov
Jet Propulsion Laboratory 4800 Oak Grove Drive
Province or State: CA
Postal Code: 91109-8099
Diner, D.J., J.C. Beckert, T.H. Reilly, C.J. Bruegge, J.E. Conel, R. Kahn, J.V.
Martonchik, T.P. Ackerman, R. Davies, S.A.W. Gerstl, H.R. Gordon, J-P. Muller,
R.B. Myneni, R.J. Sellers, B. Pinty, and M.M. Verstraete (1988). Multiangle
Imaging SpectroRadiometer (MISR) description and experiment overview. IEEE
Trans. Geosci. ... Rem. Sens., Vol. 36, pp 1072-1087.
Martonchik, J.V., D.J. Diner, R. Kahn, T.P. Ackerman, M.M. Verstraete, B.
and H.R. Gordon (1988). Techniques for the retrieval of aerosol properties over
land and ocean using multi-angle imaging, IEEE Trans. Geosci. Rem. Sens., VOl.
36, pp 1212-1227.
A complete list of references can be found on the MISR web site's Publications page.
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2011-02-02
Last DIF Revision Date: 2015-03-27