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OMI surface LER database |
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![]() Tropospheric
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NO2
- global CH2O - global CO - global |
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UV
- UV index - UV dose |
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Ozone
- total column - global field - ozone bulletin - ozone profiles - tropospheric |
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Aerosol
- ADRE - aerosol index Methane - global CO2 - global Clouds - cloud info Surface - solar irradiance |
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Volcanic plume
- SO2 & AAI |
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Albedo
- climatologies Fluorescence - sun-induced |
The OMI surface LER database contains the Lambertian-equivalent
reflectivity (LER) of the Earth's surface at 23 one-nm wide wavelength
bins between 328 and 499 nm. The LER albedo values were derived from OMI
data using the Doubling-Adding KNMI (DAK) polarised radiative transfer
code. The model consists of an atmosphere for which Rayleigh scattering
and ozone absorption are taken into account, and which is bounded below
by a Lambertian surface. The surface LER is available for each month of
the year and for the following wavelengths: 328, 335, 342, 345, 354,
367, 372, 376, 380, 388, 406, 416, 418, 425, 440, 442, 452, 463, 471,
477, 488, 494, and 499 nm.
Archive:
The database is available as a single HDF-5 file:
OMI-Aura_L3-OMLER_2005m01-2009m12_v003-2010m0503t063707.he5 (299 MB)
Previous versions of the databases can be downloaded here.
The spatial resolution of the database grid is 0.5°×0.5°.
The format and the contents of the database file are both explained here.
Data use /
License / Citation:
The OMI surface LER database is free to use for commercial and
non-commercial purposes. If you use the database for a publication
(research or otherwise), or for any other purpose, please refer to the
following publication:
Q.L. Kleipool, M.R. Dobber, J.F. de Haan, and P.F. Levelt, Earth
surface reflectance climatology from 3 years of OMI data, J.
Geophys. Res. 113, D18308, doi:10.1029/2008JD010290, 2008 (PDF)
We suggest that you include the following acknowledgement: "We
acknowledge the free use of the OMI surface LER database provided by the
Royal Netherlands Meteorological Institute (KNMI)."
Documentation: