Global Monitoring of Atmospheric Ozone
|Within Vocab||SeaVoX Device Catalogue|
|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 and visible (UV/VIS) 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. GOME 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 - 0.0004) um. The instrument also carries three polarisation monitoring devices (PMD), with one channel each, measuring within (0.29 - 0.79) um at a spectra resolution range of (0.11 - 0.19) um. The swath width is 960 km wide and the scan angle is 32 degrees from nadir. The pixel size is 40 x 320 km^2. Flown on ERS-2. http://www.wmo-sat.info/oscar/instruments/view/166|
|Has Current Version||1|
||Atmospheric chemistry remote sensors||Mapping: 885531|
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