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Canadian Space Agency Assets STG coordination meeting
STG 2 Darmstadt
Nov. 26-27, 2007
Yves Crevier
Until Official STG rep is identified
Canadian Space-based Assets • RADARSAT series
– Active sensor – ideal for polar imaging activities
– Flexible imaging configuration – high and low res., narrow and synoptic coverage, land and water surface
– High frequency of revisit
– VERY RICH Polar archive (North and South)
• Other assets– Scisat
– Anik F2
• Envisat ASAR and Meris – within the data policy framework as agreed with ESA
Canadian Space-based Assets • RADARSAT seriesRADARSAT series
– RADARSAT 1 - 11+ year archive RADARSAT 1 - 11+ year archive – RADARSAT 1 - New acquisitions to enhance the value RADARSAT 1 - New acquisitions to enhance the value
of the archive – Satellite available until March 2009of the archive – Satellite available until March 2009– RADARSAT 2 – Use the Canadian Government data RADARSAT 2 – Use the Canadian Government data
allocation for science activities under IPYallocation for science activities under IPY– RADARSAT Constellation Mission – IPY LegacyRADARSAT Constellation Mission – IPY Legacy
• Focus on National and International consultation Focus on National and International consultation and coordination and coordination
RADARSAT 1 Archive
• Archive is "information rich" – as it was constituted by coherent data acquisition plans (multi-date, varying geometry, varying coverage, seasonally coherent)
• Significant repeat coverage allows unique change detection, thematic analysis opportunity
• Complimentary to existing data – optical framework, mapping databases, etc.
RADARSAT 1 Background Missions
Arctic Science Archive Processing(ASAP)
• To increase the use of RADARSAT 1 archive under the IPY Framework and other national priorities
• Focus on National and Int'l consultation process
• Initiate the processing of a significant portion of the RADARSAT-1 Canadian archive - received through direct reception at GSS and PASS or recorded data that was played back in Canada
• Preparation for RADARSAT-2 era; Canada maintaining leading position in space-based SAR remote sensing
ASAP Portefolio:
Name Image Type
Geographical coverage
Mission Start date
End date
Product Number of
scenes
Extension Map
Frozen Baseline
Fine Descending orbits only
North of 60 + coastal regions of Hudson and James Bay and Arctic Archipelago
Canadian Interferometric mission
Sept 2000
Feb 2001
Individual mage product Include only data received as real-time or playback data in Gatineau or Prince Albert.
3106 Processing of multiple passes over site-specific areas RSAT 1 and 2 new acquisitions
1
Sea Ice Min and Max Snapshots
ScanSAR Wide A&B
Circum-Polar Basin
Extended Background Mission
Sept 2003 2004 2005 2006
March 2003 2004 2005 2006
Individual image products only over Canadian waters Mosaics of annual min and max ice extent
358 Continued the snapshots in time with RSAT 1 and 2 Processing of circum-polar data sets – require the archive content of ASF and Tromso
2
Arctic Supersites Site 1-7
ScanSAR Wide A&B
ArcticNet research sites
Shoulder seasons to capture freeze and thaw cycles
1996 … Individual image products
2878 RSAT 1 and 2 new acquisitions 3
Great Slave Site 8
ScanSAR Wide A&B
Great Slave Lake Shoulder seasons to capture freeze and thaw cycles
1996 … Individual image products
237 RSAT 1 and 2 new acquisitions 3
Great Bear Site 9
ScanSAR Wide A&B
Great Bear Lake Shoulder seasons to capture freeze and thaw cycles
1996 … Individual image products
221 RSAT 1 and 2 new acquisitions 3
NWT Site 10
Standard Radargrammetry mission – S2, S7
1996 … Individual image products
117 RSAT 1 and 2 new acquisitions 3
Mackenzie Delta Site 11
Fine, Wide and Scansar
Mackenzie Delta 1996 … 203 RSAT 1 and 2 new acquisitions 3
Axel Heidberg Site 12
Fine 1 Descending
Axel Heidberg Island
Canadian Interferometric Mission
Sept 2000
Feb 2001
Individual image products Single-look complex
389 RSAT 1 and 2 new acquisitions 3
CIS Image Archive
Scansar Wide
Canadian waters Normal operations
March 1997
… Block-averaged images (2x2) and full res. Images
35000 + RSAT 1 and 2 new acquisitions 4
Canadian Arctic Land masses mosaics
Scansar Narrow
Canadian Arctic CSA background Winter 1998,99
Single images and mosaics at 250, 500 and 1000m pixel size.
600
No plans 5
RAMP AMM
Mixed Antarctica – full coverage
Antarctic Mapping Mission
Sept 1997
Oct 1997
Continental mosaic produced by the Polar Byrd Laboratory. Individual images
8000 MiniMAMM 2
RAMP MAMM
Fine Antarctica – partial coverage
Modified Antarctic Mapping Mission
Sept 2000
Oct 2000
Continental mosaic produced by the Polar Byrd Laboratory. Individual images
MiniMAMM 2
Frozen Baseline – F1
Phase 1 - Baseline Fine Mode. Northern Canadian complete coverage (20 000 scenes)
Min and Max Sea Ice Extent
Phase 2 - - Arctic Basin ScanSAR Sea-Ice Snapshots (364 scenes)
Canadian Supersites1. Coastal Beaufort, Mackenzie Delta 2. Churchill, Hudson Bay west3. Ellesmere, Kane Basin4. Devon, Ellesmere south5. Nouveau Quebec, Hudson Bay east6. Baffin south7. Torngats, Labrador coastal north8. Great Slave9. Great Bear10. NWT11. Mackenzie Delta fine12. Axel Heidberg
1
2
3
4
5
6
7
8
9
10
12
11
Canadian Supersites
Phase 3 - Arctic Super-sites (4038 scenes)
ASAP Database
Continued Imaging Initiatives ASAP Follow-on phases
• Antarctic Mapping Mission (MiniMAMM 2, …) • Polar Snapshots – Sea ice min and max series (2003 – 20…)• Canadian Arctic Land masses (InSAR) • Other supersites identified by the Canadian and Int'l
communities• And others…
• New data: Radarsat 1 and Radarsat 2 data products• Consultation for the definition of thematically intelligent
archive for polar regions
Coordination
• Ensure collaboration to/for:
– Harmonize processing for RADARSAT 1 archive (i.e. Alaska Satellite Facilities, KSAT)
– Acquisition and planning coordination – Through National and International networks
– Open data policy for science activities
• Support the objective of WMO Space Task Group
RADARSAT-1 Reception Coverage
20042004
20032003
20022002
20012001
20002000
19991999
19981998
19971997
19961996
19951995 Data Reception Facilities: 35 (including 8 transportable stations)
Data Archiving Facilities: 23
Actually under certification: 0
Data Reception Facilities: 35 (including 8 transportable stations)
Data Archiving Facilities: 23
Actually under certification: 0
2 Transportable Stations (2000)
1 Transportable Stations (2003)
3 Transportable Stations (2004)
20052005
2 Transportable Stations (2005)2 Transportable Stations (2005)
20062006
Russia(2007)
Russia(2007)
Japan(1998)Japan(1998)
Korea(1998)Korea(1998)
China(1998)China(1998)
Thailand(2000)
Thailand(2000)
Singapore(1997)
Singapore(1997)
Malaysia(2003)
Malaysia(2003)
Alice Springs(1998)
Alice Springs(1998)
Hobart(1998)
Hobart(1998)
McMurdo(1995)
McMurdo(1995)
Benevento(2006)
Benevento(2006)
West Freugh(1996)
West Freugh(1996)
Tromso(1996)
Tromso(1996)
Turkey(2002)
Turkey(2002)
Norway(2007)
Norway(2007)
Kazakhstan (2)(2005)
Kazakhstan (2)(2005)
Saudi Arabia(1998)
Saudi Arabia(1998)
Moscow(2004)
Moscow(2004)
Fairbanks
(1995)Fairbanks
(1995)
Miami(2004)Miami(2004)
Gatineau(1995)
Gatineau(1995)
Prince Albert(1995)
Prince Albert(1995)
Brazil(2001)Brazil(2001)
Argentina(2002)
Argentina(2002)
Puerto Rico(2000)
Puerto Rico(2000)
20072007
Challenges• Data policy
• Distribution framework for Radarsat-1: Commercial
• Radarsat-2 owned and operated by MDA – use of Canadian Government Data Allocation
• Restricted to science use – NO operations supported
• Costs related to the data processing in the archive
• Broad dissemination and return on investment
Summary• RADARSAT data & products are available, contributing
to Canadian and International goals for Polar sustainability, resources management, sovereignty, and science
• Canadian EO satellite coordinated with global goals and data demand and supply.
• National and Int'l consultation to guide strategic development of RSAT dataset and optimal use of its resources
• Coordination with other Information Network managers and linkages
