Results 41 to 50 of about 768,879 (180)

Using the Pauli Scattering Mechanisms for Analysis of Polarimetric SAR Images from RADARSAT Constellation and TanDEM-X Missions

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
This article describes techniques for extraction of information in polarimetric images from RADARSAT constellation mission (RCM) and TanDEM-X (TDX) and TerraSAR-X (TSX) satellites.
Knut Eldhuset
doaj   +1 more source

Surface Change Detection on Venus: An Inter‐Mission Comparison Framework Between Magellan and Future Radar Images

open access: yesJournal of Geophysical Research: Planets, Volume 131, Issue 9, September 2026.
Abstract Detecting surface changes on Venus by comparing Magellan synthetic aperture radar (SAR) data with future high‐resolution data from Envision and VERITAS will be essential for constraining present‐day volcanism and characterizing planetary surface processes.
Yao Gao   +5 more
wiley   +1 more source

Operational Surface Water Detection and Monitoring Using Radarsat 2

open access: yesRemote Sensing, 2016
Traditional on-site methods for mapping and monitoring surface water extent are prohibitively expensive at a national scale within Canada. Despite successful cost-sharing programs between the provinces and the federal government, an extensive number of ...
Sandra Bolanos   +3 more
doaj   +1 more source

Polarimetric Measurements for Sentinel-1 and Radarsat Constellation Mission using Reference Point Targets [PDF]

open access: yes
The paper focuses on polarimetric measurements executed for two C-Band SAR missions: Sentinel-1 (S1) and Radarsat Constellation Mission (RCM). RCM is able to operate as a quad-pol system which transmits alternating-ly H and V polarization pulses and receives H and V simultaneously.
Schmidt, Kersten   +3 more
openaire   +3 more sources

Beyond SMAP: Can GNSS‐R Platforms Ensure Continuity of Global Soil Moisture Observations?

open access: yesWater Resources Research, Volume 62, Issue 9, September 2026.
Abstract The absence of a definitive follow‐on strategy for the Soil Moisture Active Passive (SMAP) mission, which has already surpassed its planned mission lifetime, presents a significant challenge for the hydrological science community. GNSS‐Reflectometry (GNSS‐R), which exploits reflected satellite navigation signals, has emerged as a rapidly ...
Ehsan Jalilvand   +7 more
wiley   +1 more source

Investigation of C-Band SAR Polarimetry for Mapping a High-Tidal Coastal Environment in Northern Canada

open access: yesRemote Sensing, 2020
Synthetic Aperture Radar (SAR) has been used in characterizing intertidal zones along northern Canadian coastlines. RADARSAT-2, with its full polarimetric information, has been considered for monitoring these vulnerable ecosystems and helping enhance the
Khalid Omari   +3 more
doaj   +1 more source

Floods From Space: How Remote Sensing, AI, and Cloud Platforms Are Reshaping Disaster Risk Reduction

open access: yesJournal of Flood Risk Management, Volume 19, Issue 3, September 2026.
ABSTRACT Flooding remains one of the most damaging climate‐related hazards globally, yet flood remote sensing has historically developed largely along sensor‐specific pathways. This review addresses the need for a systematic and decision‐oriented synthesis of how space‐borne remote sensing has evolved toward integrated flood monitoring and disaster ...
Ricky Anak Kemarau   +6 more
wiley   +1 more source

Oil Spill Candidate Detection Using a Conditional Random Field Model on Simulated Compact Polarimetric Imagery

open access: yesCanadian Journal of Remote Sensing, 2022
Although the compact polarimetric (CP) synthetic aperture radar (SAR) mode of the RADARSAT Constellation Mission (RCM) offers new opportunities for oil spill candidate detection, there has not been an efficient machine learning model explicitly designed ...
Saeid Taleghanidoozdoozan   +2 more
doaj   +1 more source

What SAR Labels Hide About a Changing Arctic

open access: yesEarth's Future, Volume 14, Issue 8, August 2026.
Abstract Synthetic aperture radar (SAR) has been the backbone of Arctic sea ice monitoring since the 1990s, yet nearly every operational product that assigns an ice class or geophysical state (melt onset dates, freeze‐up timing, ice‐type classifications) is derived by compressing continuous radar backscatter into discrete categorical labels.
M. Mahmud
wiley   +1 more source

First Quasi-Synchronous Hurricane Quad-Polarization Observations by C-band Radar Constellation Mission and RADARSAT-2

open access: yes, 2022
International audienceThis is the first presentation of quasi-synchronous spaceborne synthetic aperture radar (SAR) high-resolution images acquired from C-band Radar Constellation Mission (RCM) and RADARSAT-2 consisting of quad-polarization (HH+HV+VH+VV)
Zhang, Biao   +2 more
core   +1 more source

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