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Remote sensing
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arunp77 committed Nov 21, 2023
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Expand Up @@ -191,101 +191,138 @@ <h3> Sentinel missions</h3>
<th>Onboard Sensors</th>
<th>Year of Launch</th>
<th>Orbit</th>
<th>Primary Function</th>
</tr>
</thead>
<tbody>
<tr>
<td>Sentinel-1A</td>
<td>To provide all-weather, day-and-night Earth observation data for land and ocean monitoring.</td>
<td>Land use mapping, ice cover monitoring, maritime safety, flood mapping, and disaster response.</td>
<td>C-band synthetic aperture radar (SAR)</td>
<td>
<ul>
<li>C-band synthetic aperture radar (SAR)</li>
</ul>
</td>
<td>April 3, 2014</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Radar imagery for land use, ice cover, and maritime safety</td>
</tr>
<tr>
<td>Sentinel-1B</td>
<td>To provide all-weather, day-and-night Earth observation data for land and ocean monitoring, complementing Sentinel-1A.</td>
<td>Land use mapping, ice cover monitoring, maritime safety, flood mapping, and disaster response.</td>
<td>C-band synthetic aperture radar (SAR)</td>
<td>
<ul>
<li>C-band synthetic aperture radar (SAR)</li>
</ul>
</td>
<td>April 25, 2016</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Radar imagery for land use, ice cover, and maritime safety</td>
</tr>
<tr>
<td>Sentinel-2A</td>
<td>To provide high-resolution multispectral imagery for land cover mapping, vegetation monitoring, and water resource management.</td>
<td>Land cover mapping, vegetation monitoring, water resource management, agricultural monitoring, and forestry management.</td>
<td>Multispectral instrument (MSI)</td>
<td>
<ul>
<li>Multispectral instrument (MSI)</li>
</ul>
</td>
<td>June 23, 2015</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Multispectral imagery for land cover, vegetation, and water resources</td>
</tr>
<tr>
<td>Sentinel-2B</td>
<td>To provide high-resolution multispectral imagery for land cover mapping, vegetation monitoring, and water resource management, complementing Sentinel-2A.</td>
<td>Land cover mapping, vegetation monitoring, water resource management, agricultural monitoring, and forestry management.</td>
<td>Multispectral instrument (MSI)</td>
<td>
<ul>
<li>Multispectral instrument (MSI)</li>
</ul>
</td>
<td>March 7, 2017</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Multispectral imagery for land cover, vegetation, and water resources</td>
</tr>
<tr>
<td>Sentinel-3A</td>
<td>To provide continuous and accurate measurements of sea surface temperature, ocean color, and land surface temperature.</td>
<td>Ocean monitoring, climate change research, marine meteorology, and fisheries management.</td>
<td>Sea and Land Surface Temperature Radiometer (SLSTR), Ocean and Land Colour Instrument (OLCI), and Synthetic Aperture Radar Altimeter (SRAL)</td>
<td>
<ul>
<li>Sea and Land Surface Temperature Radiometer (SLSTR),</li>
<li>Ocean and Land Colour Instrument (OLCI),</li>
<li>Synthetic Aperture Radar Altimeter (SRAL)</li>
</ul>
</td>
<td>February 16, 2016</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Sea surface temperature, ocean currents, and sea ice</td>
</tr>
<tr>
<td>Sentinel-3B</td>
<td>To provide continuous and accurate measurements of sea surface temperature, ocean color, and land surface temperature, complementing Sentinel-3A.</td>
<td>Ocean monitoring, climate change research, marine meteorology, and fisheries management.</td>
<td>Sea and Land Surface Temperature Radiometer (SLSTR), Ocean and Land Colour Instrument (OLCI), and Synthetic Aperture Radar Altimeter (SRAL)</td>
<td>
<ul>
<li>Sea and Land Surface Temperature Radiometer (SLSTR),</li>
<li>Ocean and Land Colour Instrument (OLCI),</li>
<li>Synthetic Aperture Radar Altimeter (SRAL)</li>
</ul>
</td>
<td>April 25, 2018</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Sea surface temperature, ocean currents, and sea ice</td>
</tr>
<tr>
<td>Sentinel-4</td>
<td>To provide continuous monitoring of atmospheric composition, including ozone, nitrogen dioxide, sulfur dioxide, and formaldehyde.</td>
<td>Air quality monitoring, climate change research, and atmospheric modeling.</td>
<td>Total Ozone Parcel Instrument (TROPOMI)</td>
<td>
<ul>
<li>Total Ozone Parcel Instrument (TROPOMI)</li>
</ul>
</td>
<td>October 21, 2017</td>
<td>Geostationary orbit</td>
<td>Atmospheric composition, including ozone, nitrogen dioxide, and sulfur dioxide</td>
</tr>
<tr>
<td>Sentinel-5P</td>
<td>To provide atmospheric composition measurements, including greenhouse gases, aerosols, and trace gases.</td>
<td>Air quality monitoring, climate change research, and atmospheric modeling.</td>
<td>Total Ozone Parcel Instrument (TROPOMI)</td>
<td>
<ul>
<li>Total Ozone Parcel Instrument (TROPOMI)</li>
</ul>
</td>
<td>October 13, 2017</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Atmospheric composition, including greenhouse gases and aerosols</td>
</tr>
<td>Sentinel-5A</td>
<td>To provide atmospheric composition measurements, including ozone, nitrogen dioxide, sulfur dioxide, and formaldehyde.</td>
<td>Air quality monitoring, climate change research, and atmospheric modeling.</td>
<td>Total Ozone Parcel Instrument (TROPOMI)</td>
<td>
<ul>
<li>Total Ozone Parcel Instrument (TROPOMI)</li>
</ul>
</td>
<td>August 22, 2020</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Atmospheric composition, including ozone, nitrogen dioxide, and sulfur dioxide</td>
</tr>
<tr>
<td>Sentinel-6</td>
<td>To provide high-precision measurements of sea surface topography, significant wave height, and wind speed.</td>
<td>Ocean monitoring, climate change research, maritime safety, and coastal zone management.</td>
<td>Poseidon-3 radar altimeter, microwave radiometer (MWR), and synthetic aperture radar (SAR)</td>
<td>
<ul>
<li>Poseidon-3 radar altimeter,</li>
<li>microwave radiometer (MWR),</li>
<li>synthetic aperture radar (SAR)</li>
</ul>
</td>
<td>November 21, 2020</td>
<td>Sun-synchronous, near-polar orbit</td>
<td>Sea surface topography and wave heights</td>
</tr>
</tbody>
</table>
</table><br><br><br>

<h3>SAR Instrument</h3>



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