ESA - Observing the Earth - Over land, sea and air, users give MERIS high marks

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Over land, sea and air, users give MERIS high marks

17 November 2003

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Proceedings during ESA's 2003 MERIS User Workshop, attracting more than 150 principal investigators, students and representatives from industry to Frascati in Italy during the week starting 10 November.

Credits: ESA

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Attendees pictured at the 2003 MERIS User Workshop in Frascati, Italy. The successful four-day meeting was the first opportunity users of the Envisat instrument had been given to meet up, share results and give their opinions on the instrument so far.

Credits: ESA

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This false colours ENVISAT_MERIS Full Resolution image acquired by Kiruna (Sweden) on 28 October 2003 (Layer combination 13,12,11), shows the fires on four different fronts along the southern Californian coast, stretching from Santa Ana to San Diego.

Credits: ESA 2003

Ocean colour scene

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Professor André Morel of the University of Pierre and Marie Curie in Paris - pictured at the 2003 MERIS User Workshop - is an expert in the field of ocean colour and has enjoyed a long association with the ESA instrument.

Credits: ESA

Something in the air

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Professor Jan-Peter Muller of University College London, pictured at the 2003 MERIS User Workshop, discussing atmospheric applications of the space-based instrument.

Credits: ESA

Ground work

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The Medium Resolution Imaging Spectrometer (MERIS) instrument onboard Envisat satellite acquired this image of Typhoon Maemi over the Sea of Japan when it weakened into a tropical storm some hours later of tearing into South Korea (seen in the centre of the image). The typhoon hit the southern coast of the peninsula with gale winds blowing at a record 216 kilometres an hour. Media reported of at least 72 people were killed and 24 missing by the time the storm subsided. Maemi is the Korean name for a cicada that legend says chirps madly to warn of a coming typhoon. The mouth of the Yangtze River can also be seen in the bottom left part of the image spilling out sediments into the East China Sea about 23 kilometres north of Shanghai.

Technical Information:
Instrument: MEdium Resolution Imaging Spectrometer (MERIS)
Date of Acquisition: 13 September 2003
Orbit number: 08030
Orbit direction: Descending
Instrument features: Reduced Resolution image (1200 metre resolution)
Band combination: R = 753.75 nm, G = 560 nm, B = 442.5 nm
Coordinates: NE Lat/Long: N 47.85/ E 139.79
NW Lat/Long: N 50.66/ E 124.35
SW Lat/Long: N 29.10/ E 119.42
SE Lat/Long: N 26.72/ E 130.95

Credits: ESA 2003

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Professor Jose Moreno of the University of Valencia briefed the 2003 MERIS User Workshop on the results of a multi-instrument validation campaign carried out in an agricultural area in Barrax in Spain.

Credits: ESA

Microscopic killers

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Dr Cristina Rodríguez-Benito of Chile-based oceanographic company Mariscope Chilena, pictured at the 2003 MERIS User Workshop. She shared her experiences using MERIS to monitor algae blooms responsible for blighting Chilean aquaculture. The hope is to build an operational forecasting system for bloom outbreaks in future.

Credits: ESA

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Most of the country of Chile can be observed on this Medium Resolution Imaging Spectrometer (MERIS) image, particularly the area surrounding the capital, Santiago, in the centre-right of the image, shown in grey. Scrolling down, the main cities of Rancagua, Curico, Talca, Chillan and Concepcion are clearly visible. Along the right side of the image are the snow-capped mountains of the Andes Chain.

Technical Information:
Instruments: MEdium Resolution Imaging Spectrometer (MERIS)
Date of Acquisition: 2 March 2003
Orbit number: 05296
Instrument features: Full Resolution image (300 - metre resolution)

Credits: ESA 2003

Looking forward

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ESA's 2003 MERIS User Workshop attracted more than 150 principal investigators, students and representatives from industry to Frascati in Italy during the week starting 10 November. The subject of discussion was the multispectral instrument MERIS.

Credits: ESA

Passing its global sight test leaves MERIS ready for work Envisat MERIS image of the world March 2003