RADARSAT constellation, project objectives and status

Séguin, Guy; Ahmed, Sajjad

doi:10.1109/igarss.2009.5418242

Cited by 21 publications

(12 citation statements)

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“…Since the inception of the RADARSAT program, Canada has been continuously providing C-band Synthetic Aperture Radar (SAR) data with the launch of RADARSAT-1 in 1995 and its successor RADARSAT-2 in 2007 [1]. The RADARSAT Constellation Mission (RCM), to be launched in late 2018, is the evolution of the RADARSAT program with the objective of ensuring data continuity, improved operational use of SAR data, and enhanced system reliability [2]. The mission, with its three identical C-band SAR satellites, will provide daily complete coverage of Canada's territory and marine regions, including the entire Arctic region [3].…”

Section: Introductionmentioning

confidence: 99%

“…The mission, with its three identical C-band SAR satellites, will provide daily complete coverage of Canada's territory and marine regions, including the entire Arctic region [3]. The short revisit time of the mission (four days) affords a range of applications that are based on the regular collection of data and creation of composite images that highlight changes over time, such as those induced by climate change, land use evolution, coastal modifications, urban subsidence, and even human impacts on local environments [2,3]. The compact polarimetric (CP) SAR configuration will be included in the RCM, enabling the use of CP SAR data in wide swath imagery.…”

Section: Introductionmentioning

confidence: 99%

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Assessment of the High Resolution SAR Mode of the RADARSAT Constellation Mission for First Year Ice and Multiyear Ice Characterization

2018

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Simulated compact polarimetry from the RADARSAT Constellation Mission (RCM) is evaluated for sea ice classification. Compared to previous studies that evaluated the potential of RCM for sea ice classification, this study focuses on the High Resolution (HR) Synthetic Aperture Radar (SAR) mode of the RCM associated with a higher noise floor (Noise Equivalent Sigma Zero of −19 dB), which can prove challenging for sea ice monitoring. Twenty three Compact Polarimetric (CP) parameters were derived and analyzed for the discrimination between first year ice (FYI) and multiyear ice (MYI). The results of the RCM HR mode are compared with those previously obtained for other RCM SAR modes for possible CP consistency parameters in sea ice classification under different noise floors, spatial resolutions, and radar incidence angles. Finally, effective CP parameters were identified and used for the classification of FYI and MYI using the Random Forest (RF) classification algorithm. This study indicates that, despite the expected high noise floor of the RCM HR mode, CP SAR data from this mode are promising for the classification of FYI and MYI in dry ice winter conditions. The overall classification accuracies of CP SAR data over two test sites (96.13% and 96.84%) were found to be comparable to the accuracies obtained using Full Polarimetric (FP) SAR data (98.99% and 99.20%).

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Assessment of the High Resolution SAR Mode of the RADARSAT Constellation Mission for First Year Ice and Multiyear Ice Characterization

2018

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“…The RADARSAT-1 (launched in 1995), RADARSAT-2 (launched in 2007) and the RADARSAT Constellation Mission (to be launched in late 2018) are the past, current, and future Synthetic Aperture Radar (SAR) space missions which consist the Canadian RADARSAT program [1]. The RADARSAT Constellation Mission (RCM) is the evolution of the RADARSAT Program and has the objective of ensuring data continuity, improved operational use of SAR data and enhanced system reliability [2]. Canada is developing the RCM using small satellites to further maximize the ability to carry out round-the-clock surveillance from space [2].…”

Section: Introductionmentioning

confidence: 99%

“…The RADARSAT Constellation Mission (RCM) is the evolution of the RADARSAT Program and has the objective of ensuring data continuity, improved operational use of SAR data and enhanced system reliability [2]. Canada is developing the RCM using small satellites to further maximize the ability to carry out round-the-clock surveillance from space [2]. The Canadian Space Agency (CSA, Saint-Hubert, QC, Canada), in collaboration with other government-of-Canada departments and Canadian industry, is leading the design, development and operation of the RCM to help in addressing key priorities.…”

Section: Introductionmentioning

confidence: 99%

“…The RCM will have three identical small satellites, providing daily SAR imagery over Canada's land and oceans. The short revisit frequency of the mission, combined with accurate orbital control affords a range of applications that are based on the regular collection of data and creation of composite images that highlight changes over time, such as those induced by climate change, land use evolution, coastal modifications, urban subsidence and even human impacts on local environments [2,4].…”

Section: Introductionmentioning

confidence: 99%

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The RADARSAT Constellation Mission in Support of Environmental Applications

Dabboor

Iris

Singhroy

2018

The 2nd International Electronic Conference on Remote Sensing

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The RADARSAT Constellation Mission (RCM) is a future Canadian spaceborne Synthetic Aperture Radar (SAR) mission, with the purpose of supporting the operational use of SAR imagery for different Earth observation applications. The mission, through its three identical satellites, will provide average daily complete coverage of Canada's land and oceans. In this paper, we provide an overview of the RCM and its characteristics and advancements over previous Canadian SAR missions. However, emphasis is given to the expected potential of the RCM in regard to environmental applications. Experimental results of environmental applications using simulated RCM data have shown promising potential for the mission.

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Toward Comprehensive Understanding of Air‐Sea Interactions Under Tropical Cyclones: On the Importance of High Resolution and Multi‐Modal Observations

Combot,

Mouche,

de Boyer Montegut

et al. 2024

Geophysical Research Letters

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The three‐dimensional structure of the Tropical Cyclone's baroclinic wake is synthesized as an averaged baroclinic‐dominant response of the upper ocean. The resulting persisting sea surface depression can easily be monitored using the present‐day altimeter constellation. Following a semi‐empirical framework, these baroclinic wake signatures are linked to the inner core TC dynamic and the ocean stratification. To collect these fine‐scale parameters, spaceborne SAR instruments and Argo fleet are used, to precisely capture the maximum wind region and the irregularities of the ocean vertical structure. This combination of high‐resolution information is found paramount to fully capture the modulation of sea surface height anomalies, and its mean trend, especially for major hurricanes. Baroclinic signatures mostly range around 10–20 cm and peak at 40 cm. Deeper anomalies correspond to barotropic response, removed from the present analysis.

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RADARSAT constellation, project objectives and status

Cited by 21 publications

References 0 publications

Assessment of the High Resolution SAR Mode of the RADARSAT Constellation Mission for First Year Ice and Multiyear Ice Characterization

Assessment of the High Resolution SAR Mode of the RADARSAT Constellation Mission for First Year Ice and Multiyear Ice Characterization

The RADARSAT Constellation Mission in Support of Environmental Applications

Toward Comprehensive Understanding of Air‐Sea Interactions Under Tropical Cyclones: On the Importance of High Resolution and Multi‐Modal Observations

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