Results 1 to 10 of about 2,975 (179)

Global coastal attenuation of wind-waves observed with radar altimetry. [PDF]

open access: yesNat Commun, 2021
Coastal studies of wave climate and evaluations of wave energy resources are mainly regional and based on the use of computationally very expensive models or a network of in-situ data.
Passaro M   +5 more
europepmc   +2 more sources

Antarctic Ice Sheet and Radar Altimetry: A Review [PDF]

open access: yesRemote Sensing, 2009
Altimetry is probably one of the most powerful tools for ice sheet observation. Our vision of the Antarctic ice sheet has been deeply transformed since the launch of the ERS1 satellite in 1991. With the launch of ERS2 and Envisat, the series of altimetric observations now provides 19 years of continuous and homogeneous observations that allow ...
Frédérique Remy
exaly   +3 more sources

ALTIMETRY BY CASSINI RADAR: PROCESSING AND SIMULATION [PDF]

open access: yes, 2009
The Cassini mission, that is a joint NASA/ESA/ASI effort, has recently offered the unique possibility of exploring Titan, the largest moon of Saturn, that is the only satellite in the solar system to host an appreciable atmosphere, which unfortunately made the surface below very difficult to be observed from the Earth with optical instruments. In fact,
Alberti, Giovanni
openaire   +2 more sources

Niger discharge from radar altimetry: bridging gaps between gauge and altimetry time series [PDF]

open access: yesHydrology and Earth System Sciences, 2019
Abstract. The Niger River represents a challenging target for deriving discharge from spaceborne radar altimeter measurements, particularly since most terrestrial gauges ceased to provide data during the 2000s. Here, we propose deriving altimetric rating curves by “bridging” gaps between time series from gauge and altimeter measurements using ...
S. Schröder   +7 more
openaire   +5 more sources

Greenland Ice Sheet Mass Balance (1992–2020) From Calibrated Radar Altimetry

open access: yesGeophysical Research Letters, 2021
We present the first 1992‐2020 record of Greenland Ice Sheet (GrIS) mass balance derived from multi‐satellite Ku‐band altimetry. We employ an empirical approach as an alternative detailed to radar‐propagation modeling, and instead convert elevation ...
Sebastian B Simonsen   +2 more
exaly   +2 more sources

Radar Altimetry: Introduction and Application to Air-Sea Interaction

open access: yes, 2008
Radar altimeters are among the more common satellite-borne Earth Observation instruments with a long history including continuous data since 1991. They are also exceptionally versatile providing informa- tion on sea level, ocean dynamics, wind speed and a number of wave pa- rameters. Radar altimetry is a "point" rather than a "swath" instrument so that
Woolf, D.K., Gommenginger, C.P.
openaire   +3 more sources

Altimetry from Planetary Radar Sounders

open access: yes, 2020
Having information on the global shape of a planet as well as having precise topography information is a prerequisite for many advanced scientific studies as well as for future robotic exploration. To date there are numerous methods to obtain topographic
Steinbrügge, Gregor   +8 more
openaire   +2 more sources

Altimetry for the future: Building on 25 years of progress [PDF]

open access: yes, 2021
\ua9 2021 COSPARIn 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic major events have
Spatar C   +3 more
core   +4 more sources

Radar altimetry for the detection of ship traffic: an improved byproduct of satellite radar altimetry

open access: yes, 2023
The detection of vessels is considered an attractive byproduct of satellite radar altimetry, because it may complement the conventional tracking systems with the possibility to build long-term global statistics of ship traffic based on relatively small and manageable datasets of freely available data.
Scozzari A, Grasso R
openaire   +2 more sources

Preface: 25 years of progress in radar altimetry

open access: yesAdvances in Space Research, 2021
International ...
Benveniste, Jérôme, Bonnefond, P.
openaire   +2 more sources

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