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Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
ERS-1: A European success
1991-2000: From an engineering success to
the development of sophisticated applications
ERS-1: A European success
1991-2000: From an engineering success to
the development of sophisticated applications
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
1991: The evidence of an engineering
achievement
1991: The evidence of an engineering
achievement Successful commissioning
phase
All instruments are working nominally, sometimes exceeding the specifications
Successful commissioning phase
All instruments are working nominally, sometimes exceeding the specifications
• First SAR images: excellent quality
• First low bit rate data: all nominal
• First ATSR images: Kuwait on fire
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
Frascati - Castelli Romani (ERS SAR multitemporal)Scatterometer - Wind speed (July 1992)
1992: The start of a scientific success 1992: The start of a scientific success
Watching the seas
Watching the land
Watching the ice
First ERS Symposium:
Cannes– Big interest (180 papers, 450 participants)– Confirmation of the quality of the data provided by the instruments
First ERS Symposium:
Cannes– Big interest (180 papers, 450 participants)– Confirmation of the quality of the data provided by the instruments
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
ERS-1 + SPOT
1993: The beginning for an increasing number of applications
1993: The beginning for an increasing number of applications
A major EO milestone:ERS-1 & SAR Interferometry
• ERS-1 differential interferometry reaches the cm precision («Bonn experiment»)• Demonstration with Landers earthquake
A major EO milestone:ERS-1 & SAR Interferometry
• ERS-1 differential interferometry reaches the cm precision («Bonn experiment»)• Demonstration with Landers earthquake
Second ERS Symposium: Hamburg
315 papers, 600 participants
Second ERS Symposium: Hamburg
315 papers, 600 participants
Flooding: Mississipi river during Summer 1993Flooding: Mississipi river during Summer 1993
Oil slick: La Coruna (E)(December 92 - January 93)
Oil slick: La Coruna (E)(December 92 - January 93)
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
From D.T. Sandwell & W.H.F. Smith
1994: Monitoring the Earth1994: Monitoring the Earth
First Pilot Projects Workshop: Toledopaved the way for applications
First Pilot Projects Workshop: Toledopaved the way for applications
The geodetic missionAn unprecedented view of the Earth
seafloor
The geodetic missionAn unprecedented view of the Earth
seafloor
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
1995: The breakthrough of the tandem mission1995: The breakthrough of the tandem mission
Bachu (China)
DEM with 10 mvertical precision are achievable
ERS tandem mission(July 1995 - July 1996)
ERS tandem mission(July 1995 - July 1996)
Second Pilot Projects Workshop: Londonprogressing applications results
Second Pilot Projects Workshop: Londonprogressing applications results
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
Iceland: Vatnajokull eruptionIceland: Vatnajokull eruption
1996: Exploiting the potential of the tandem mission
1996: Exploiting the potential of the tandem mission
The tandem coherence provides an additional information level for land use studies.
A strong complementarity with optical data is recognised.
The tandem coherence provides an additional information level for land use studies.
A strong complementarity with optical data is recognised.
ERS tandem
SPOT
Fringe Workshop: Zurichthe first workshop dedicated to
interferometry
Fringe Workshop: Zurichthe first workshop dedicated to
interferometry
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
1997: Contributing to the observation of El Nino1997: Contributing to the observation of El Nino
Temperature anomaly derived from ERS-2 and
ERS-1 ATSR data
Temperature anomaly derived from ERS-2 and
ERS-1 ATSR data
Third ERS Symposium: Florence420 papers, 700 participants
Third ERS Symposium: Florence420 papers, 700 participants
October 1997
SAR tandem data used to monitor forest fires
in Indonesia
SAR tandem data used to monitor forest fires
in Indonesia
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
1998: ERS-1 still effective 1998: ERS-1 still effective
Mitch hurricane: ERS-1 together with ERS-2 and Spot satellites provides map of
the damages
Mitch hurricane: ERS-1 together with ERS-2 and Spot satellites provides map of
the damages
Okmok volcano (Alaska): ERS-1 observes the volcano inflation during the eruption.
ERS-1 data regularly used to monitor volcanoes
around the world.
Okmok volcano (Alaska): ERS-1 observes the volcano inflation during the eruption.
ERS-1 data regularly used to monitor volcanoes
around the world.
USGS
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
1999: Exploiting 8 years of ERS-1 archived data1999: Exploiting 8 years of ERS-1 archived data
Estimated Velocity Field [mm/yr]Pomona (California)
Second Fringe Workshop: LiegeConfirmation of the high value of the ERS-1 SAR data
archive
Second Fringe Workshop: LiegeConfirmation of the high value of the ERS-1 SAR data
archive
New sophisticated technique: permanent point scatterers
• allows to monitor sub-millimetric mouvement of buildings
• used for building collapse in Rome and Foggia (Italy)
New sophisticated technique: permanent point scatterers
• allows to monitor sub-millimetric mouvement of buildings
• used for building collapse in Rome and Foggia (Italy)
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
2000: The last ERS-1 contribution: assessing the French storm trees damages
2000: The last ERS-1 contribution: assessing the French storm trees damages
IGN map(Haguenau forest)
SPOT XS image (from archives)
ERS tandem coherence before the storm
ERS tandem coherence after the
storm
Damages estimate (coherence gradient in pink
tones)
The combination of SAR tandem data provides a quick estimate of the amount of tree damages, after the Christmas French storms.
The combination of SAR tandem data provides a quick estimate of the amount of tree damages, after the Christmas French storms.
Based on Spot Image
coherence products
SERTIT
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
27 July 199127 July 1991
7 March 20007 March 2000
45200 orbits45200 orbits
1.4 million SAR scenes1.4 million SAR scenes
From the first to the last ERS-1 SAR imageFrom the first to the last ERS-1 SAR image
some 3500 scientists using the data
some 3500 scientists using the data
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)Alps
Acquired on 7 March 2000, at 10:00 UTC (orbit number 45200)
Images generated with ERS-1 and ERS-2 data, using the technique of interferometry, made popular by ERS-1.
Both images highlight the outstanding data quality of the ERS-1 satellite until its last moments of operation.
Tyrrhenian Sea
Italy - Tuscan hills (7-8 March 2000)Generated with the ERS Interferometric Quick Look
Last acquired ERS-1 SAR dataLast acquired ERS-1 SAR data
Directorate of Application Programmes DOSTAG 23 May 2000
ERS-1 (1991-2000)
ERS-1: a European successERS-1: a European success