Name: Envisat GOMOS Geolocated Calibrated Transmission Spectra and Photometer Fluxes [GOM_TRA_1P]
Creator: European Space Agency
License: https://earth.esa.int/eogateway/documents/20142/1564626/Terms-and-Conditions-for-the-use-of-ESA-Data.pdf

Envisat GOMOS Geolocated Calibrated Transmission Spectra and Photometer Fluxes [GOM_TRA_1P]

GOMOS

Passive Remote Sensing

Spectrometers

Spectrometers/Radiometers

Envisat

Atmosphere

Atmospheric Indicators

Climate

<p>This data product describes the geolocated and calibrated transmission spectra products, containing the full transmission and the covariance spectra needed for Level 2 processing. Coverage is as follows:</p>

<ul>
	<li>Elevation range: +62 deg to +68 deg</li>
	<li>Azimuth range: +90 deg to +190 deg (with respect to the flight direction).</li>
</ul>

<p>The file size is 1 MB per occultation, depending on the duration of the occultation.</p>

European Space Agency, 2017, Envisat GOMOS Geolocated Calibrated Transmission Spectra and Photometer Fluxes [GOM_TRA_1P], Version R/IPF 6.01.

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<p>Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions.</p>

<p>The ESA Orthorectified Map-oriented (Level 1) Products collection is composed of MOS-1/1B MESSR (Multi-spectral Electronic Self-Scanning Radiometer) data products generated as part of the MOS Bulk Processing Campaign using the MOS Processor v3.02.</p>

<p>The products are available in GeoTIFF format and disseminated within EO-SIP packaging. Please refer to the&nbsp;<a href="/documents/d/earth-online/mos-product-format-specification" target="_blank">MOS Product Format Specification</a>&nbsp;for further details.&nbsp;</p>

<p>The collection consists of data products of the following type:&nbsp;</p>

<ul>
	<li><strong>MES_GEC_1P</strong>: Geocoded Ellipsoid GCP Corrected Level 1 MOS-1/1B MESSR products which are the default products generated by the MOS MESSR processor in all cases (where possible), with usage of the latest set of LANDSAT improved GCP (Ground Control Points). These are orthorectified map-oriented products, corresponding to the old MOS-1/1B MES_ORT_1P products with geolocation improvements.&nbsp;</li>
</ul>

<p> </p>

<table class="eogtable">
	<caption><i>MESSR Instrument Characteristics</i></caption>
	<tbody>
		<tr>
			<td class="eogtable-heading">Band</td>
			<td class="eogtable-heading">Wavelength Range (nm)</td>
			<td class="eogtable-heading">Spatial Resolution (m)</td>
			<td class="eogtable-heading">Swath Width (km)</td>
		</tr>
		<tr>
			<td class="eogtable-heading">1 (VIS)</td>
			<td>510 – 690</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">2 (VIS)</td>
			<td>610 – 690</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">3 (NIR)</td>
			<td>720 – 800</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">4 (NIR)</td>
			<td>800 – 1100</td>
			<td>50</td>
			<td>100</td>
		</tr>
	</tbody>
</table>

ESA Orthorectified Map-oriented (Level 1) Products

<p>The ESA System Corrected Map-oriented (Level 1) Products collection is composed of MOS-1/1B MESSR (Multi-spectral Electronic Self-Scanning Radiometer) data products generated as part of the MOS Bulk Processing Campaign using the MOS Processor v3.02.</p>

<p>The products are available in GeoTIFF format and disseminated within EO-SIP packaging. Please refer to the&nbsp;<a href="/documents/d/earth-online/mos-product-format-specification" target="_blank">MOS Product Format Specification</a>&nbsp;for further details.&nbsp;</p>

<p>The collection consists of data products of the following type:</p>

<ul>
	<li><strong>MES_GES_1P</strong>: Geocoded Ellipsoid System Corrected Level 1 MOS-1/1B MESSR products as generated by the MOS MESSR processor where the generation of MES_GEC_1P products is not possible. These replace the old MES_SYC_1P products.&nbsp;</li>
</ul>

<table class="eogtable">
	<caption><i>MESSR Instrument Characteristics</i></caption>
	<tbody>
		<tr>
			<td class="eogtable-heading">Band</td>
			<td class="eogtable-heading">Wavelength Range (nm)</td>
			<td class="eogtable-heading">Spatial Resolution (m)</td>
			<td class="eogtable-heading">Swath Width (km)</td>
		</tr>
		<tr>
			<td class="eogtable-heading">1 (VIS)</td>
			<td>510 – 690</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">2 (VIS)</td>
			<td>610 – 690</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">3 (NIR)</td>
			<td>720 – 800</td>
			<td>50</td>
			<td>100</td>
		</tr>
		<tr>
			<td class="eogtable-heading">4 (NIR)</td>
			<td>800 – 1100</td>
			<td>50</td>
			<td>100</td>
		</tr>
	</tbody>
</table>

ESA System Corrected Map-oriented (Level 1) Products

<p>The ESA System Corrected (Level 1) MOS-1/1B VTIR Products collection is composed of MOS-1/1B VTIR (Visible and Thermal Infrared Radiometer) data products generated as part of the MOS Bulk Processing Campaign using the MOS Processor v3.02.</p>

<p>The products are available in GeoTIFF format and disseminated within EO-SIP packaging. Please refer to the <a href="/documents/d/earth-online/mos-product-format-specification">MOS Product Format Specification</a> for further details.</p>

<p>The collection consists of data products of the following type:</p>

<ul>
	<li><strong>VTI_SYC_1P</strong>: System corrected Level 1 MOS-1/1B VTIR products in EO-SIP format.&nbsp;</li>
</ul>

<table class="eogtable">
	<caption><i>VTIR Instrument Characteristics</i></caption>
	<tbody>
		<tr>
			<td class="eogtable-heading">Band</td>
			<td class="eogtable-heading">Wavelength Range (µm)</td>
			<td class="eogtable-heading">Spatial Resolution (km)</td>
			<td class="eogtable-heading">Swath Width (km)</td>
		</tr>
		<tr>
			<td class="eogtable-heading">1 (VIS)</td>
			<td>0.5 – 0.7</td>
			<td>0.9</td>
			<td>1500</td>
		</tr>
		<tr>
			<td class="eogtable-heading">2 (TIR)</td>
			<td>6.0 – 7.0</td>
			<td>2.7</td>
			<td>1500</td>
		</tr>
		<tr>
			<td class="eogtable-heading">3 (TIR)</td>
			<td>10.5 – 11.5</td>
			<td>2.7</td>
			<td>1500</td>
		</tr>
		<tr>
			<td class="eogtable-heading">4 (TIR)</td>
			<td>11.5 – 12.5</td>
			<td>2.7</td>
			<td>1500</td>
		</tr>
	</tbody>
</table>

ESA System Corrected (Level 1) MOS-1/1B VTIR Products

<p>The GEOSAT-2 Spain Coverage collection consists of imagery covering Spain, including the Balearic and Canary islands, acquired by GEOSAT-2 between March and November of 2021.</p>

<figure class="centered-mobile-centered"><a data-lightbox="Spatial coverage of the 2021 collection." data-title="Spatial coverage of the 2021 collection." href="/documents/d/earth-online/spatial-coverage-of-the-2021-collection"><img alt="Spatial coverage of the 2021 collection." class="centered-mobile-centered" src="/documents/d/earth-online/spatial-coverage-of-the-2021-collection-tm" /> </a>

<figcaption><i><a href="/documents/d/earth-online/spatial-coverage-of-the-2021-collection">Spatial coverage of the 2021 collection.</a></i></figcaption>
</figure>

<p>The available imagery have a geolocation accuracy of &lt; 4 m RMSE, a cloud cover percentage of &lt; 10 %, and were acquired at an off-nadir angle from -30° to 30°.&nbsp;</p>

<p>The following product types are available:</p>

<ul>
	<li><strong>Pan-sharpened:</strong> A four-band image, resulting from adding the information of each multispectral band to the panchromatic band. The fusion does not preserves all spectral features of the multispectral bands, so it should not be used for radiometric purposes. Resolution 1 m; Bands: All.</li>
</ul>

<ul>
	<li><strong>Bundle:</strong> Panchromatic (1 m resolution) + Multispectral bands (4 m resolution): five-band image containing the panchromatic and multispectral products packaged together, with band co-registration.</li>
</ul>

<p>The available processing level is L1C orthorectified: a calibrated and radiometrically corrected product, manually orthorectified and resampled to a map grid.</p>

<table class="eogtable">
	<caption><strong><i></i></strong></caption>
	<tbody>
		<tr>
			<td class="eogtable-heading"><strong>Property</strong></td>
			<td class="eogtable-heading"><strong>Spatial Resolution</strong></td>
		</tr>
		<tr>
			<td>Pan-sharpened</td>
			<td>1.0 m</td>
		</tr>
		<tr>
			<td>Bundle (PAN + MS)</td>
			<td>1.0 m (PAN), 4.0 m (MS)</td>
		</tr>
	</tbody>
</table>

GEOSAT-2 Spain Coverage

The Dragon 6 Cooperation Call is now open, with a proposal submission deadline of 11 December 2023.

Envisat GOMOS Geolocated Calibrated Transmission Spectra and Photometer Fluxes [GOM_TRA_1P]

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