Results 61 to 70 of about 768,879 (180)

Retrieval and Attribution of Tropical Cyclone Vertical Tilt From SAR and Infrared Satellite Imagery

open access: yesGeophysical Research Letters, Volume 53, Issue 5, 16 March 2026.
Abstract Tropical cyclones (TCs) are destructive natural hazards, and their vertical tilt, defined as the displacement between the sea surface center and cloud top center, plays a key role in storm structure and intensity changes. This study constructed a global satellite‐based tilt data set from 1,024 paired synthetic aperture radar (SAR) and infrared
Shanshan Mu   +4 more
wiley   +1 more source

Optimal Compact Polarimetric Parameters and Texture Features for Discriminating Sea Ice Types during Winter and Advanced Melt

open access: yesCanadian Journal of Remote Sensing, 2018
C-band synthetic aperture radar (SAR) is widely used for sea ice monitoring and operational activities. The RADARSAT Constellation Mission (RCM), with its anticipated launch in 2018, will provide hybrid compact polarimetric (CP) C-band SAR data offering ...
Sasha Nasonova   +4 more
doaj   +1 more source

Synoptic Controls of Extreme Ice Area Flux Events Along Nares Strait

open access: yesJournal of Geophysical Research: Oceans, Volume 131, Issue 3, March 2026.
Abstract Nares Strait, the channel between Ellesmere Island and northwest Greenland, connects the Arctic Ocean's Lincoln Sea to northern Baffin Bay. The transport of thick, multi‐year sea ice southward down the Strait contributes to the overall loss of this important ice class from the Arctic.
K. McNeil   +3 more
wiley   +1 more source

A delay model for satellite constellation networks with inter-satellite links [PDF]

open access: yes, 2009
Within this paper we examine a non-geostationary satellite constellation network with inter-satellite links (ISLs) for global air traffic control (ATC) and air passenger communication (APC).
Romain Hermenier   +5 more
core   +1 more source

Identifying Thermodynamic Regimes of CO2 Gas Exchange During the Melt Transition on First‐Year Sea Ice Using a Multi‐Sensor Synthetic Aperture Radar Approach

open access: yesJournal of Geophysical Research: Oceans, Volume 131, Issue 3, March 2026.
Abstract Few multi‐year observations of CO2 gas exchange exist over melting first year sea ice (FYI). We report 4 years of CO2 flux data during the melt season in Dease Strait, Nunavut, Canada. Utilizing a dried, closed‐path eddy covariance system on an island within the strait, we identify two statistically distinct CO2 flux melt regimes: a pre‐pond ...
Christina A. Braybrook   +5 more
wiley   +1 more source

Autonomous control of a reconfigurable constellation of satellites on geostationary orbit with artificial potential fields [PDF]

open access: yes, 2012
This paper presents a method of controlling a constellation of small satellites in Geostationary Earth Orbit (GEO) such that the constellation is able to reconfigure - changing the angular position of its members relative to the Earth’s surface in order ...
Colombo, Camilla   +2 more
core   +3 more sources

Monitoring Flood Inundation Dynamics From Space

open access: yesReviews of Geophysics, Volume 64, Issue 1, March 2026.
Abstract With the increasing intensity and frequency of flood events worldwide, the need for accurate and timely inundation mapping has never been more critical. Large‐scale flood extent estimations are vital for coordinating effective disaster response, facilitating recovery, and building future resilience.
C. Campo   +5 more
wiley   +1 more source

Assessing the Benefits of Simulated RADARSAT Constellation Mission Polarimetry Images for Structural Mapping of an Impact Crater in the Canadian Shield

open access: yesCanadian Journal of Remote Sensing, 2018
Traditional polarization architectures transmit and receive linear polarizations (LL). Canada’s RADARSAT Constellation Mission (RCM) will be equipped with a hybrid architecture that will transmit a circular polarization and receive linear polarizations ...
Mary-Anne Fobert   +2 more
doaj   +1 more source

On multidimensional BICM-ID constellation labelling [PDF]

open access: yes, 2010
It is widely recognised that the choice of a specific bit-to-symbol mapping scheme or a beneficial constellation labelling is an influential factor, when designing bit-inter-leaved coded modulation using iterative decoding (BICM-ID) for the sake of ...
Alamri, Osamah   +9 more
core   +1 more source

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

open access: yesRemote Sensing, 2018
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 ...
Mohammed Dabboor   +2 more
doaj   +1 more source

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