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Concept

Global Monitoring of Atmospheric Ozone - 2

URI http://vocab.nerc.ac.uk/collection/L22/current/TOOL1081/
Within Vocab SeaVoX Device Catalogue
Alternative Labels GOME-2
Definition An optical across-scanning, shortwave grating spectrometer, designed to measure trace gases (e.g. ozone, nitrogen dioxide) as well as aerosol distribution in the atmosphere. The instrument detects reflected sunlight from the Earth's surface and atmosphere within the ultraviolet, visible and near-infrared (UV/VIS/NIR) spectral range at nadir. The detected radiation is split into different wavelengths , and quantitative information on ozone (O3) and several other trace-gas species is obtained from the absorption properties of the observed spectrum. Sideways viewing for polar coverage and instrument characterisation measurements using the Moon are also carried out. GOME-2 has four optical channels with 1024 spectral elements each, contiguously covering a total range of (0.24 - 0.79) um at spectral resolution ranging from (0.0002 - 0.0005) um. The instrument also carries a polarisation monitoring device (PMD) with 200 channels, measuring within (0.31 - 0.79) um at a spectral resolution range of (0.0028 - 0.04) um. The swath width is 1920 km wide and the scan angle is 55 degrees from nadir. The pixel size is 40 x 80 km^2. Flown on Metop-A, Metop-B, Metop-C. http://www.wmo-sat.info/oscar/instruments/view/167
Date 2016-11-15T15:28:05
Identifier SDN:L22::TOOL1081
Note accepted
Has Current Version 1
version 1
inScheme http://vocab.nerc.ac.uk/scheme/SDNDEV/current/
Broader L05:314 Atmospheric chemistry remote sensors Mapping: 885532

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