Capabilities of RADARSAT-2 and use by the Canadian...
Transcript of Capabilities of RADARSAT-2 and use by the Canadian...
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Capabilities of RADARSAT-2 and
use by the Canadian Government
Daniel De LisleManager, RADARSAT-2 Applications & Utilisations Canadian Space Agency
RADARSAT-2 Data and Products © MacDONALD, DETTWILER AND ASSOCIATES LTD., 2008 – All Rights Reserved
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Key Priorities and ObjectivesResponding to the challenges of:Monitoring the environmentManaging natural resourcesPerforming coastal surveillance
• Objectives:Data continuity from RADARSAT-1Maintain Canada's position in SAR capabilities for Earth observation, in partnership with the Private Sector – MacDonald Dettwiler and Associates (MDA) New applications opportunities
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RADARSAT-2 operates in an orbit identical as RADARSAT-1 except for a 180o offset
Dec 14, 2007
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1995: RADARSAT-1
2007: RADARSAT-2
2014:2015: 2015: RCM
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Imaging frequency Spatial resolution
Polarization Repeat Cycle (Coherent change detection)
RADARSAT-2 C-Band, 5.405 GHz <3 to 100 m Single, Dual, Polarimetric
24 days
RADARSAT-1 C-Band, 5.3 GHz 10 to 100 m Single (HH) 24 days
RCM (3 satellites)
C-Band, 5.405 GHz <5 to 100 m Single, Dual, Polarimetric (exp)
12 days / sat (4 days)
Envisat ASAR C-Band, 5.331 GHz 30 to 1000 m Single, Dual 35 days
ALOS PALSAR L-Band, 1.27 GHz 10 to 100 m Single, Dual, Polarimetric (exp)
46 days
COSMO SkyMed (4 satellites)
X-Band 9.6 GHz 1 to 100 m Single, Dual 16 days / sat (5 days)
TerraSAR-X X-Band, 9.650 GHz 1 to 15 m Single, Dual, Polarimetric (exp)
11 days
Sentinel (5 sat., 1 SAR)
C-Band, 5.405 GHz 5 to 100 m Single, Dual 12 days
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CSA EO Strategy: Focus on the Priorities of Canadians
• Sovereignty - monitoring the Arctic sea lines and territories
• Safety - navigation in ice-laden waters, disaster management
• Environment - monitoring the health of the ozone layer and the transport of air pollutants
• Climate - understanding the factors controlling the climate, monitoring changes resulting from climate variations
• Resources - forests, agriculture, mineral and energy exploration, etc
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RADARSAT Government Clients
• Environment Canada (including Canadian Ice Service)
• Department of National Defence• Department of Fisheries and Oceans• Natural Resources Canada • Agriculture and Agri-food Canada• Indian and Northern Affairs Canada• Parks Canada• Public Safety
…and others
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Environment Canada – Ice Mapping
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Environment Canada ISTOPEnvironment Canada ISTOPIntegrated Satellite Tracking of Polluters
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Davis Strait, Nunavut
Offshore petroleum seep detection
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Department of National Defence Coastal SurveillanceDepartment of National Defence Coastal Surveillance
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CFB Petawawa: Incidence Angle Dependence Study
Freeman Classification
(S, V, D)
Dominant ScattererChange: 22° 37 ° ( no
change, S V, V S)
Change in dominant scattering with incidence angle
(D,V,S)
Processing and analysis courtesy of Joseph Buckley,
Royal Military College of Canada, and Don Leckie, Canadian Forest Service
RA
DA
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AT-2 D
ata and Products ©
MacD
ON
ALD
, DE
TTWILE
R A
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CIA
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LTD., 2008 –
All R
ights Reserved
GRIP Project: Development and Demonstration of Radarsat 2 Forestry
Applications
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Enhancing Resilience to a Changing Climate Program
• RADARSAT-2 provides knowledge of seasonal variations of glacier ice flow
• It improves estimate of the current rates of ice discharge to the ocean and the understanding of the response of ice masses to future climate warming
• Essential to understand the impacts of external climate forcing on the dynamics of Arctic glaciersRadarsat-2 ScanSar image (HH
polarization) acquired on May 27, 2008, over the Devon ice cap, Nunavut
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Color composition of scattering mechanisms:Double-bounce, Volume, Surface displayed Red, Green and Blue
RADARSAT-2 Data and Product © MacDonald, Dettwiler and Associates Ltd. (2008) – All RightsReserved.
Orchard Area Forest Area
NRCan
Using C-Band Fully Polarimetric SAR Data to Discriminate Orchard From Forest Stands
Groundwater Earth Observation and Thematic Research project
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MENTOR: SAR-Wind Viewer from Environment Canada•Web-based application
•Designed for forecasters
Displays:
•GEM-LAM data (Canadian regional forecast system)
•Buoy observations
•SAR-derived winds colour-coded (RadarSat-1, Envisat)
•Level-1 SAR data
•Proven to be a valuable complementary data set for operational marine forecasting
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17
Use of Multiple Polarizations for Crop Identification
RADARSAT-2 Fine Quad PolJuly 16, 2008
R-HH, G-VH, B-VV
Corn
Wheat
Soybean
RAD
ARSAT-2 D
ata and Products ©M
acDO
NALD
, DETTW
ILER AN
DASSO
CIATES LTD
., 2008 –All R
ights Reserved
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RADARSAT - MODIS Image Fusion
RADARSAT
MODIS
RADARSAT+ MODIS
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Glasgow Fine Quad PolAugust 16, 2008
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SOAR Science Operational Applications Research
The SOAR Program provides access to RADARSAT-2 data only for research and developpement purposes.
The SOAR Program provides an opportunity to explore the enhanced capabilities of RADARSAT-2 and their potential contributions to applications through a loan of limited amounts of RADARSAT-2 data to research projects.
Now that the satellite is fully operational, Government of Canada will develop specific R&D initiatives under the SOAR Program umbrella.
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• SOAR International– Pre-launch initiative to promote R2: 192 supported projects
• SOAR Education– Provide access of RADARSAT-2 data to Canadian Universities for R&D
• SOAR Province– Provide access of RADARSAT-2 data to Provincial entities as an
incentive similar to RADARSAT-1• SOAR EU
– Provide access of RADARAT-2 data to European scientists for R&D projects in collaboration with ESA
– Similar to category 1 data for Envisat• SOAR CX
– Collaboration with DLR for a joint AO R2 TerraSAR X• SOAR Africa
– Contribution to the CEOS TIGER initiative
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RADARSAT-2 Background Mission • Task the satellite when no other scenes are being
ordered – Reduces the use of the block data allocation while optimizing the use of the satellite.
• Very low priority acquisitions
• Creation of a thematic archive with “to be processed later” data
• Risk of acquiring very few or no data for a given application
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Background Mission Themes of interest
• Agriculture: Crop inventory, Tillage, Soil Moisture, Land Cover / Land Use• Ecology: Ecological Monitoring, Habitat Monitoring, Land Use / Land Cover,
Wetlands, National Parks Surveillance , Oil & gas monitoring, IPY projects• Forestry: Change and Biomass, Environmental Effects, Land Cover and Land Cover
Change, Random Needs (bad burn year, ice storm, insect defoliation, wind storms…)• Geology: Surficial Geology & Structure, Permafrost Monitoring, Oil & Gas
Exploration, Background Glaciology Movement, Mosaic of High Arctic• Hydrology: Groundwater, Surface Water Mapping, River Ice / Lake Ice, Melt Extent,
Permafrost, Glaciology, Flooding• Mapping: Major Cities/Landmarks, Mosaic of Canada, Native Reserves, Coastline• Security and Safety: Disturbance Monitoring, Change Detection, Geological Hazards,
Subsidence, Coastal zones surveillance• Topography: Planimetry - Altimetry
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For More Information…Canadian Space Agency Web Site:
- www.space.gc.ca/rsat2-e- www.space.gc.ca/rsat2-f
MDA-GSI Web Site: Data sets are available for anyone to download from www.radarsat2.info. It includes a Vancouver data set of all beam modes and Quadpol data from research sites of:
- San Francisco, USA- Oberfaffenhofen, Germany- Flevoland – Netherlands- Altona, Canada- Straight of Gibraltar.