26 datasets

NASA Earthdata CMR + NASA Data Portal2026 · Image data

The GSFC TOMS CCD L3 5x5deg Monthly Tropospheric Column Ozone product (TrCO3_Monthly_TOMS) contains tropospheric column ozone amounts averaged by month from 1979 to 2005. Total column measurements are obtained from the Total Ozone Monitoring Sensor (TOMS) on the Nimbus-7 (1979-1993) and the Earth Probe (1996-2005) satellites. Tropospheric column ozone (TCO) is determined using the convective-cloud

NASA Earthdata CMR + NASA Data Portal2025 · Image data

Version 4 is the current version of the data set. Older versions are no longer available and have been superseded by Version 4. These data are a part of MEaSUREs 2012 projects. The particular project, "Multi-Decadal Sulfur Dioxide Climatology from Satellite Instruments", is expected to produce SO2 Earth Science Data Record by means of combining measurements from backscatter Ultraviolet (BUV), ther

NASA Earthdata CMR + NASA Data Portal2023 · Astronomical catalogue

SONEX_Satellite_Data is the satellite data used to support the SONEX suborbital campaign. Contained in this data product are ozone measurements from TOMS-EP and various wind measurements from GOES-8. Data collection for this product is complete. The SASS (Subsonics Assessment) Ozone and NOx Experiment (SONEX) was an international, multi-organizational mission that took place in October-November 19

NASA Earthdata CMR + NASA Data Portal2018 · Image data

As part of the NASA's Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, this projects describes a multi-decadal Fundamental Climate Data Record (FCDR) of calibrated radiances as well as an Earth System Data Record (ESDR) of aerosol properties over the continents derived from a 32-year record of satellite near-UV observations by three sensors. The TOMS Earth Prob

NASA Earthdata CMR + NASA Data Portal2013 · Image data

The Multi-Satellite Lambertian Equivalent Reflectivity (Local Satellite Time) 1 day L3 Global 5.0deg Lat Zones data product (MSLERLSTL3zm) is derived from observations made by the Nimbus-7 SBUV, and NOAA 9, 11, 14, 16, 17, 18, 19 SBUV/2 instruments (340 nm), Nimbus-7 and Earth Probe TOMS (331 nm), OMI (340 nm) and SeaWiFS (412 nm) from 1978 to 2011. The Local Satellite Time (LST) data are uncorrec

NASA Earthdata CMR + NASA Data Portal2012 · Image data

The Multi-Satellite Lambertian Equivalent Reflectivity (Noon Normalized) 1 day L3 Global 5.0deg Lat Zones data product (MSLERNNL3zm) is derived from observations made by the Nimbus-7 SBUV, and NOAA 9, 11, 14, 16, 17, 18, 19 SBUV/2 instruments (340 nm), Nimbus-7 and Earth Probe TOMS (331 nm), OMI (340 nm) and SeaWiFS (412 nm) from 1978 to 2011. The Noon Normalized (NN) data have been corrected to l

NASA Earthdata CMR + NASA Data Portal2005 · Image data

Daily Aerosol Index (AI) data from Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) for the period of August 12-September 25, 2000 were processed and provided by the Atmospheric Chemistry and Dynamics Branch at NASA/GSFC for the SAFARI 2000 Dry Season Aircraft Campaign.The TOMS AI is formed directly from measured TOMS radiances in two channels. It is a measure of how much the wavelength de

NASA Earthdata CMR + NASA Data Portal2005 · Image data

Tropical Tropospheric Ozone (TTO) data from Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) for the period of August 8-September 29, 2000 were processed and provided by the Atmospheric Chemistry and Dynamics Branch at NASA/GSFC for the SAFARI 2000 Dry Season Aircraft Campaign.The TTO measurement is derived from TOMS total ozone (Thompson and Hudson, 1999; Thompson et al., 2001) using the

NASA Earthdata CMR + NASA Data Portal2004 · Image data

The Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily global gridded data product contains total column ozone, UV aerosol index, Lambertian effective surface reflectivity (Rayleigh corrected), and UV-B erythemal local noon irradiances. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in the EOS Hi

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily zonal means data product contains total column ozone values. The data are averaged in 5 degree latitude bands. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Code 614).

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily zonal means data product contains Lambertian effective surface reflectivity values (Rayleigh corrected). The data are averaged in 5 degree latitude bands. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Code 614).

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 monthly averaged global gridded data product contains UV-B erythemal local noon irradiance values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Spa

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 monthly averaged global gridded data product contains Lambertian effective surface reflectivity values (Rayleigh corrected). The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmos

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily global gridded data product contains Lambertian effective surface reflectivity values (Rayleigh corrected). The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at N

NASA Earthdata CMR + NASA Data Portal2004 · Image data

The Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily ground station overpass data product contains total column ozone, UV aerosol index, Lambertian effective surface reflectivity (Rayleigh corrected), UV aerosol index and sulfur dioxide index values. The overpass data files contain the data derived from the best-matched TOMS field-of-view (FOV) to a site for every day the T

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 monthly averaged global gridded data product contains UV aerosol index values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Co

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily zonal means data product contains UV aerosol index values. The data are averaged in 5 degree latitude bands. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Code 614).

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily global gridded data product contains UV aerosol index values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Code 614).

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily global gridded data product contains UV-B erythemal local noon irradiance values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight C

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 daily global gridded data product contains total column ozone values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (Code 614).

NASA Earthdata CMR + NASA Data Portal2004 · Image data

This Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 monthly averaged global gridded data product contains total column ozone values. The data are mapped to a global grid of size 180 x 288 with a lat-long resolution of 1.00 x 1.25 degrees. These data are stored in an ASCII format. The TOMS data were produced by the Laboratory for Atmospheres at NASA Goddard Space Flight Center (

NASA Earthdata CMR + NASA Data Portal2004 · Image data

The Earth Probe (EP) Total Ozone Mapping Spectrometer (TOMS) version 8 orbital swath data product contains total column ozone, UV aerosol index, and Lambertian effective surface reflectivity (Rayleigh corrected) at approximately 50x50 km2 resolution (at nadir). This product also contains some auxiliary derived and ancillary parameters including N-values, SO2 index, cloud fraction, cloud pressure,

NASA Earthdata CMRcollection

The Earth Probe-Total Ozone Mapping Spectrometer (EP-TOMS) spacecraft was launched on July 2, 1996 from a Pegasus rocket. The launch of EP-TOMS continues the global measurements of ozone that began with the TOMS instrument on Nimbus-7 and Meteor-3 (1978-1994). EP-TOMS ozone data is obtained 3 or 4 times per day and is processed to ASCII data (in Dobson units). Nimbus-7, Meteor-3, and ADEOS TOMS da

NASA Earthdata CMRcollection

SONEX was conducted to understand a variety of NOx sources including the current subsonic aircraft fleet in the North Atlantic, with and without convection. To improve the models and our understanding, Photochemistry was collected to determine the impact of subsonic aircraft emissions on Tropospheric NOx and Ozone budgets. The experiment took place October - November 1997 from Bangor, Maine; Shann

NASA Earthdata CMRcollection

The Total Ozone Mapping Spectrometer (TOMS) is an instrument built and operated by the National Aeronautics and Space Administration (NASA). The instrument uses backscattered ultraviolet radiance to infer total column ozone measurements. The data consists of daily gridded averages of total ozone covering the entire globe. The original Nimbus-7 TOMS operated from November 1978 until May 1993. Meteo