Minimize The Envisat Mission: 10 years of operation

Launched on 01 March 2002, Envisat has completed ten years of operations. During its operational life, Envisat has played a major role in the progresses made in Earth System Science, as well as on the creation of operational monitoring services, paving the way for future Earth Observation missions.

The Envisat satellite is in good health, despite few sensor anomalies. The Envisat services on the ground have been continuously upgraded in order to satisfy the growing needs of a very large community of users, ranging from scientists in many fields of Earth Science, to several operational applications. The modification of its orbit in 2010 has allowed an extension to the Envisat mission until the end of 2013. The new orbit, together with the good status of the payload would allow, if requested, to further extend the mission in order to ensure the continuity of crucial Earth-observation datasets until the next generation of ESA satellites are fully operational.

This series of images features views of the world acquired by Envisat over its ten years of operation.

Hurricanes
Hurricane Katrina (Florida, United States of America)
View large image [JPG 323 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MERIS_RR_1P
Date of acquisition 28 Aug 2005
Orbit number: 18273
Band combination: 7, 5, 2

More images in this series are available in the Hurricane Katrina event.

Hurricane Irene (United States of America)
View large image [JPG 152 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MERIS_RR_1P
Date of acquisition 27 Aug 2011
Orbit number: 49637
Band combination: 11, 14, 3

More images in this series are available in the Hurricane Irene event.

Fires
Fires in Greece
View large image [JPG 95 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MERIS_FR_1P
Date of acquisition 31 Jul 2007
Orbit number: 28661
Band combination: 7, 5, 2
View large image [JPG 73 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MERIS_FR_1P
Date of acquisition 31 Jul 2007
Orbit number: 28661
Band combination: 15, 13, 11

More images in this series are available in the Peninsula of Peloponnese event.

Fires in Galicia (Spain)
View large image [JPG 160 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MERIS_FR_1P
Date of acquisition 09 Aug 2006
Orbit number: 23223
Band combination: 7, 5, 2

More images in this series are available in the Fires in Galicia event.

Floods
Flood in United Kingdom
View large image [JPG 321 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) - Wide swath standard image
Product: ASAR_WSM_1P
Date of acquisition 2006 and 2007
Band combination: Red - Denotes signal increase between crisis data and archive
Blue - Denotes signal drop between crisis data and archive
Surface without any change (no damage) is black and white
Interpretation: Blue is potentially flooded surface
Red may indicate flooding as well, for example in presence of wind, if the signal has not been changed by other factors (agricultural etc.)

More images in this series are available in the Flood in United Kingdom event.

Flood in Northern Europe

This Envisat ASAR image was acquired on 19 August 2002, 9:30 UTC, Orbit 2452 around the town of Dresden (bottom right, bright yellow area) along the Elbe river. The image is taken in Alternate Polarisation mode and the colours are given by the different polarisation (red HH, green HV, and blue the difference between the two). Water-covered areas are clearly visible in blue and around Riesa town flooded areas are quite large. This image was reduced for volume reasons. The original image has a spatial resolution about 25 meters.

View large image [JPG 521 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR)
Product: ASA_AP
Date of acquisition 19 Aug 2002
Orbit number: 02452
Band combination: HH, HV - Difference between the two

More images in this series are available in the Flood in Northern Europe event.

Oil Spills
Oil spill in Gulf of Mexico

Two views of an oil spill approaching the Louisiana coast.

View large image [JPG 189 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) (150 m resolution)
Product: ASA_WSM_1P
Date of acquisition 16:04:16 - 29 Apr 2010
Orbit number: 42679
Band combination: Grey scale
View large image [JPG 224 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MER_FR_1P
Date of acquisition 29 Apr 2010
Orbit number: 42679
Band combination: 7, 5, 2

More images in this series are available in the Oil spill in Gulf of Mexico event.

Oil slick in Galicia

This image covers the south coast of the Galicia region and shows a spot of oil which has reached the coast. The ASAR image was acquired at the beginning of the Envisat mission, and is an excellent tool to monitor and detect oil on water surfaces

View large image [JPG 146 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) - Wide swath standard image (150 m resolution)
Product: ASA_WSM_1P
Date of acquisition 10:44:20 - 17 Nov 2002
Orbit number: 03741
Band combination: Grey scale

More images in this series are available in the Oil slick in Galicia event.

Oil spill in Philippines
View large image [JPG 334 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) - Wide swath standard image (150 m resolution)
Product: ASA_WSM_1P
Date of acquisition 13:58:08 - 25 Aug 2006
Orbit number: 23454
Band combination: Grey scale

More images in this series are available in the Oil spill in Philippines event.

Special Events
Sandstorm in Egypt (Eastern Mediterranean)
View large image [JPG 282 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS) (300 m resolution)
Product: MER_FR_1P
Date of acquisition 07:44:29 - 12 Dec 2010
Orbit number: 45926
Band combination: 7, 5, 2

More images in this series are available in the Sandstorm in Egypt event.

Algal bloom (Baltic Sea)
View large image [JPG 205 KB]
Technical Information
Satellite: Envisat
Instrument: Medium Resolution Imaging Spectrometer (MERIS) (300 m resolution)
Product: MER_RR_1P
Date of acquisition 13 Jul 2005
Orbit number: 17611
Band combination: 7, 5, 2

More images in this series are available in the Algal bloom (Baltic Sea) event.

Volcanoes
Eyjafjallajokull (Iceland)
View large image [JPG 172 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MER_FR_1P
Date of acquisition 17 Apr 2010
Orbit number: 42505
Band combination: 7, 5, 2

More images in this series are available in the Eyjafjallajokull event.

Etna (Italy)
View large image [JPG 71 KB]
Technical Information
Satellite: Envisat
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Product: MER_FR_1P (300 m resolution)
Date of acquisition 29 Oct 2002
Band combination: 15, 9, 1

More images in this series are available in the Etna event.

Deforestation
Deforestation in Brazil (multi-temporal)
View large image [JPG 346 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) - Image Mode Precision (30 m resolution)
Product: ASAR_IMP_1P
Date of acquisition 15 Feb 2006, 06 Apr 2005, 26 Jan 2005

More images in this series are available in the Deforestation in Brazil event.

Ice
Antarctica B-15A iceberg monitoring in Ross Sea
View large image [JPG 176 KB]
Technical Information
Satellite: Envisat
Instrument: Advanced Synthetic Aperture Radar (ASAR) - Wide swath standard image (150 m resolution)
Instrument: ASA_WSM_1P
Date of acquisition 15 Apr 2005
Orbit number: 16340
Band combination: Grey scale
View large image [JPG 118 KB]
Technical Information
Satellite: Envisat
Instrument: MEedium Resolution Imaging Spectrometer (MERIS) (300 m resolution)
Product: MER_FR_1P
Date of acquisition 13 Feb 2005
Orbit number: 15470

More images in this series are available in the Antarctica B-15A iceberg event.

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