Results 21 to 30 of about 10,644 (229)

Assessment of altimetry using ground-based GPS data from the 88S Traverse, Antarctica, in support of ICESat-2 [PDF]

open access: yesThe Cryosphere, 2019
We conducted a 750 km kinematic GPS survey, referred to as the 88S Traverse, based out of South Pole Station, Antarctica, between December 2017 and January 2018.
K. M. Brunt   +3 more
doaj   +1 more source

Satellite Altimetry: Achievements and Future Trends by a Scientometrics Analysis

open access: yesRemote Sensing, 2022
Scientometric reviews, facilitated by computational and visual analytical approaches, allow researchers to gain a thorough understanding of research trends and areas of concentration from a large number of publications.
Lei Yang   +8 more
doaj   +1 more source

FUSION OF LASER ALTIMETRY DATA WITH DEMS DERIVED FROM STEREO IMAGING SYSTEMS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
During the last two decades surface elevation data have been gathered over the Greenland Ice Sheet (GrIS) from a variety of different sensors including spaceborne and airborne laser altimetry, such as NASA’s Ice Cloud and land Elevation Satellite ...
T. Schenk, B. M. Csatho, K. Duncan
doaj   +1 more source

On-Orbit Geometric Calibration and Accuracy Validation for Laser Footprint Cameras of GF-7 Satellite

open access: yesRemote Sensing, 2022
The Gaofen-7 (GF-7) satellite uses a two-beam laser altimetry system in which each beam is equipped with a laser footprint camera (LFC) to provide geometric processing of the laser footprint images that assist in optical image stereo mapping.
Jiyi Chen   +6 more
doaj   +1 more source

Satellite Remote Sensing of the Greenland Ice Sheet Ablation Zone: A Review

open access: yesRemote Sensing, 2019
The Greenland Ice Sheet is now the largest land ice contributor to global sea level rise, largely driven by increased surface meltwater runoff from the ablation zone, i.e., areas of the ice sheet where annual mass losses exceed gains.
Matthew G. Cooper, Laurence C. Smith
doaj   +1 more source

Extraction of tidal channel networks from airborne scanning laser altimetry and aerial photography [PDF]

open access: yes, 2003
The study of the morphodynamics of tidal channel networks is important because of their role in tidal propagation and the evolution of salt-marshes and tidal flats. Channel dimensions range from tens of metres wide and metres deep near the low water mark
Lohani, B.   +2 more
core   +1 more source

The Reference Elevation Model of Antarctica [PDF]

open access: yesThe Cryosphere, 2019
The Reference Elevation Model of Antarctica (REMA) is the first continental-scale digital elevation model (DEM) at a resolution of less than 10 m.
I. M. Howat   +5 more
doaj   +1 more source

A Synergistic Approach for Recovering Occlusion-Free Textured 3D Maps of Urban Facades from Heterogeneous Cartographic Data [PDF]

open access: yes, 2013
In this paper we present a practical approach for generating an occlusion-free textured 3D map of urban facades by the synergistic use of terrestrial images, 3D point clouds and area-based information.
Dornaika, Fadi   +5 more
core   +3 more sources

Demonstration of Two Portable Scanning LiDAR Systems Flown at Low-Altitude for Investigating Coastal Sea Surface Topography

open access: yesRemote Sensing, 2011
We demonstrate the efficacy of a commercial portable 2D laser scanner (operating at a wavelength close to 1,000 nm) deployed from a fixed-wing aircraft for measuring the sea surface topography and wave profiles over coastal waters.
Jorg Hacker   +2 more
doaj   +1 more source

Brief communication "Importance of slope-induced error correction in volume change estimates from radar altimetry" [PDF]

open access: yesThe Cryosphere, 2012
In deriving elevation change rates (d<I>H</I>/d<I>t</I>) from radar altimetry, the slope-induced error is usually assumed to cancel out in repeat measurements.
R. T. W. L. Hurkmans   +2 more
doaj   +1 more source

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