To ensure the accuracy of large-scale optical stereo image bundle block adjustment, it is necessary to provide well-distributed ground control points (GCPs) with high accuracy. However, it is difficult to acquire control points through field measurements
Guo Zhang +4 more
doaj +1 more source
Satellite Laser Altimetry Data-Supported High-Accuracy Mapping of GF-7 Stereo Images
GaoFen 7 (GF-7) is China’s first submeter high-resolution stereo mapping satellite with dual-linear-array cameras and a laser altimeter system onboard for high-precision mapping.
Changru Liu +7 more
doaj +1 more source
Performance of ICESat‐2 Precision Pointing Determination
Global elevations are critical to understanding the Earth's dynamic processes and changing climate. These measurements are best acquired from a space‐based vantage point and are most accurate using laser altimetry technology.
Sungkoo Bae +6 more
doaj +1 more source
On the retrieval of sea ice thickness and snow depth using concurrent laser altimetry and L-band remote sensing data [PDF]
The accurate knowledge of sea ice parameters, including sea ice thickness and snow depth over the sea ice cover, is key to both climate studies and data assimilation in operational forecasts.
L. Zhou, S. Xu, J. Liu, B. Wang, B. Wang
doaj +1 more source
Comparison of Integrating GF-7 and ICESat-2 Laser Altimetry Data with High-resolution Stereo Images for Stereo Mapping [PDF]
Currently, two types of satellite laser altimetry systems are in operation: the full waveform linear system and the single-photon-counting system, which exhibit significant differences in both data format and processing methodologies.
J. Chen, G. Li, J. Guo, J. Peng, J. Peng
doaj +1 more source
The next generation Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2)/Advanced Topographic Laser Altimeter System (ATLAS) was launched in 2018 to provide large amounts of spaceborne laser altimetry data.
Xinlei Zhang +5 more
doaj +1 more source
Time-evolving mass loss of the Greenland Ice Sheet from satellite altimetry [PDF]
Mass changes of the Greenland Ice Sheet may be estimated by the input–output method (IOM), satellite gravimetry, or via surface elevation change rates (dH/dt).
R. T. W. L. Hurkmans +6 more
doaj +1 more source
Assessment of altimetry using ground-based GPS data from the 88S Traverse, Antarctica, in support of ICESat-2 [PDF]
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
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]
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

