SAR data Sensords and examples
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1 SAR data Sensords and examples Sar Technical Training for Forest Mapping 2014/2015 Cédric Lardeux Jean-Paul Rudant Pierre-Louis Frison
2 Suivi des surfaces continentales par télédétection radar Capteurs satellitaires radar ERS1 RSO Diffusiomètre Bande C RADARSAT RSO Bande C RADARSAT2 RSO Bande C TerraSAR X RSO Bande X JERS RSO Bande L ERS2 RSO Diffusiomètre Bande C Quikscat Diffusiomètre Bande Ku ENVISAT RSO Bande C METOP Diffusiomètre Bande C ALOS RSO Bande L COSMO-SkyMed RSO Bande X Tandem X RSO Bande X SAR for Forest 2002 Mapping 2014/
3 Radar Data SAR ERS JERS ASAR ENVISAT PALSAR ALOS NEW: Cosmo skymed Terrasar X
4 Radar Data SAR ERS-1/ ERS-2 (ESA) ERS-1: ERS-2: C Band (6cm) Polarisation : VV Incidence : Ground Resolution: 20 m Swath : 100 km Orbit : Périod : 35 days Source: ESA
5 Polarization Typhon Isidore Mexico ASAR-VV polarization MERIS (600 m)
6 Polarization VV Polarization for ocean monitoring
7 Radar Data: ERS example North Cameroun: Cultural practice, burned area
8 Radar Data: ERS example Urban area
9 Radar Data: ERS example Douala region, Cameroon
10 Radar Data: ERS example Oil pollution Near Bakassi Nigeria-Cameroon
11 Radar Data RADARSAT (Canada) Band C (6cm) Polarisation : HH Incidence : Ground Resolution: m Swath : km Orbit : Périod : 24 days Source: CRSC
12 Radar Data: RADARSAT Floods impacts detection Gash River (Soudan, 2003): 10 km northward Kassala
13 Radar Data JERS-1 (NASDA, Japon) L Band (25cm) Polarisation : VV Incidence (mean) 35 Ground Resolution: 18 m Swath : 75 km Orbit : Périod : 44 days
14 Radar Data: JERS1 Burried structure and source for the water resources L band penetration: Saharan desert K&C Desert & Water Theme Mapping of sub-surface hydrology in arid areas.
15 Radar Data ASAR - ENVISAT Direction de déplacement 100 km 485 km 405 km Wave VV or HH <10m resolution (SLC) 5 x 5 km to 10 x 5 km vignettes Global Monitoring VV or HH 1000m resolution 405 km swath width Wide Swath VV or HH 150m resolution 405 km swath width Image VV or HH <30m resolution (PRI-GEC) up to 100 km swath Alternative Polarisation VV/HH or VV/VH or HH/HV 30m resolution (PRI-GEC) up to 100 km swath
16 Radar Data ENVISAT : ASAR Sat. Bandes spectrales Angle d incidence Polarisation Résolution (m) Couverture (km) ERS C- Band 23 VV E N V I S A T C- Band Image: Alt. Polarisation : Wide: Global Monitoring: Wave: VV or HH VV/HH,VV/VH or HH/HV VV or HH VV or HH VV or HH < 30 < < > à 10
17 Radar Data: ASAR examples Flooding Study in Madagascar Alaotra lake, dry season LGET-IOGA, IPM, UPEM Alaotra Lake, March 2005
18 Radar Data: ASAR examples VV pol. HV pol.
19 Radar Data Since 2007: Polarimetry High resolution ( 1 m)
20 Radar Data PALSAR - ALOS (NASDA) Band L ( 25cm) Full Polarisation polarisationvv, HH, HV, VH Incidence : Ground Resolution: m Swath : km Orbit : Périod : 24 days
21 Radar Data: PALSAR INTEREST: L Band Polarimetry Systematic acquisition strategy
22 Radar Data: PALSAR
23 Radar Data TerraSAR-X Since 2007 Band X (3 cm) DualPolarisation 1 or 2 among VV, HH, HV Incidence : Ground Resolution: 1-20 m Swath : km Revisit Time: 11 days
24 Source: InfoTerra
25 Radar Data: TerraSAR-X Cambodia TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m Objective: Forest type Mapping
26 Radar Data: TerraSAR-X Cambodia Bamboo & Forest TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m
27 Radar Data: TerraSAR-X Cambodia Dense Forest TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m
28 Radar Data: TerraSAR-X Cambodia Deciduous Forest TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m
29 Radar Data: TerraSAR-X Cambodia Herbaceous TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m
30 Radar Data: TerraSAR-X Cambodia Bamboo & Forest Herbaceous Deciduous Forest TerraSAR-X Spot Light :25th Jan Polar: VV Spat. Resolution: 1m Dense Forest
31 Radar Data Name Acquisition period Band Frequency Polarization mode Spatial resolution (m) Revisit time (days) Scene cover (km) ERS-1 / C VV x185 JERS L HH Radarsat C HH x 75 ASAR C 1 or 2 pol. HH/HV/VV x60 Radarsat C Polarimetric HH/HV/VV to 10? NA PALSAR L Polarimetric HH/HV/VV 25 5 à 10? 100x100 max TerraSAR-X X Polarimetric HH/HV/VV 6,5 5? 77km de large Cosmo- Partial: X Skymed HH/HV/VV 0,6 à 2,4 1 à 3 15x15km SAOCOM 2015 L km Sentinel C 10 à 60m 5 290km ALOS L Polarimetric HH/HV/VV
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