Results 41 to 50 of about 24,574,483 (152)
A new Arctic MSS model derived from combined Cryosat-2 and ICESat observations
Due to the existence of seasonal or perennial sea ice cover, the determination of the Arctic sea surface is more difficult than that of mid-low latitudinal oceans.
Guodong Chen +5 more
doaj +1 more source
Local Geoid height calculations with GNSS, airborne, and spaceborne Lidar data
Determining the exact position of objects on the Earth’s surface is extremely important. The general purpose of this study is to calculate local geoid and orthometric heights of points obtained from ICESat-2/ATLAS, airborne LIDAR, and GNSS/CORS data and ...
Muge Agca, Ali Ihsan Daloglu
doaj +1 more source
Evaluation of snow depth retrievals from ICESat-2 using airborne laser-scanning data
International audienceAbstract. The unprecedented precision of satellite laser altimetry data from the NASA ICESat-2 mission and the increasing availability of high-resolution elevation datasets open new opportunities to measure snow depth in mountains ...
Shean, David +12 more
core +1 more source
Improved workflow for customized ICESat-2 ATL06 elevations captures seasonal mountain snow depths at sub-kilometer scale [PDF]
Mountain snowpacks are a critical global water resource, providing freshwater to more than a billion people worldwide. Estimates of snow distribution across mountain watersheds are dependent on sparse in situ observations and spatio-temporally limited ...
K. Zikan +3 more
doaj +1 more source
Drew Rothrock's Fundamental Contributions to Arctic Science
Abstract David Andrew (Drew) Rothrock III lived during a period of vigorous scientific research in the Earth Sciences, from the International Geophysical Year to the era of satellites and high‐speed computer modeling. Drew made fundamental contributions to Arctic science, helping to lay the theoretical foundations for modeling the movement and ...
Harry L. Stern +4 more
wiley +1 more source
Assessment of ICESat-2 for the recovery of ocean topography [PDF]
SUMMARY: The Ice, Cloud and land Elevation Satellite 2 (ICESat-2) laser altimetry mission, launched in September 2018, uses six parallel lidar tracks with very fine along-track resolution (15 m) to measure the topography of ice ...
Bôas, Ana Beatriz Villas +3 more
core +1 more source
Although the Advanced Topographic Laser Altimeter System (ATLAS) onboard the Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) was primarily designed for glacier and sea-ice measurement, it can also be applied to monitor lake surface height (LSH ...
Cui Yuan, Peng Gong, Yuqi Bai
doaj +1 more source
A Regional Intercomparison of Ice Sheet Mass Balance Estimates of the Northwest Greenland Ice Sheet
Abstract Changes in ice sheet mass manifest as changes in ice flow, ice thickness, and gravitational attraction. These parameters can be measured from space and used to track Greenland's contribution to sea level rise independently from each other. While an excellent level of agreement between these satellite techniques has been demonstrated at the ice
Inès N. Otosaka +5 more
wiley +1 more source
The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) satellite uses a synchronized multi-beam photon-counting method to collect data from three pairs of synchronous ground tracks.
Defu Che +3 more
doaj +1 more source
Alluvial ridge morphology on avulsing rivers
ABSTRACT Alluvial ridges are built by preferential channel‐belt deposition and control river avulsions, yet a systematic analysis of their morphology has been missing. To address this gap, we analyse a globally distributed dataset of 8970 alluvial ridge flanks on 14 different rivers.
James H. Gearon, Douglas A. Edmonds
wiley +1 more source

