Results 121 to 130 of about 4,395 (206)
Profiling Sea Ice with a Multiple Altimeter Beam Experimental Lidar (MABEL) [PDF]
The sole instrument on the upcoming ICESat-2 altimetry mission is a micropulse lidar that measures the time-of-flight of individual photons from laser pulses transmitted at 532 nm.
Brunt, K. M. +8 more
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Space-Based Lidar Systems [PDF]
, 2012 An overview of space-based lidar systems is presented. from the first laser altimeter on APOLLO 15 mission in 1971 to the Mercury Laser Altimeter on MESSENGER mission currently in orbit, and those currently under development.
Sun, Xiaoli
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Earth and Space ScienceThe ICESat‐2 (Ice, Cloud and Land Elevation Satellite‐2) photon‐counting laser altimeter technology required the design and development of very sophisticated onboard algorithms to collect, store and downlink the observations.
Lori Magruder +4 more
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Improving Our Understanding of Antarctic Sea Ice with NASA's Operation IceBridge and the Upcoming ICESat-2 Mission [PDF]
Antarctic sea ice is a crucial component of the global climate system. Rapid sea ice production regimes around Antarctica feed the lower branch of the Southern Ocean overturning circulation through intense brine rejection and the formation of Antarctic ...
Kurtz, Nathan T. +2 more
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Journal of Hydrology: Regional StudiesStudy region: Caiduochaka Lake (CK) on the Tibetan Plateau (TP). Study focus: This study reconstructs the bathymetry of CK by integrating Sentinel-2's large-area, spatially continuous spectral data with precise but spatially discontinuous depth ...
Tianjiao Du +4 more
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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.
Brunt, Kelly M. +2 more
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Comparison of 16-Channel Laser Photoreceivers for Topographic Mapping [PDF]
Topographic mapping lidar instruments must be able to detect extremely weak laser return signals from high altitudes including orbital distance. The signals have a wide dynamic range caused by the variability in atmospheric transmission and surface ...
Aebi, Verle +13 more
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Space-Based Lasers for Remote Sensing Applications [PDF]
There are currently three operational lidar systems orbiting the Earth, the Moon and the planet Mercury gathering scientific data and images to form a better understanding of our Earth and solar system.
Yu, Anthony W.
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Space Chicken: A Historical Look at How the Critical Path Changes over a Missions Development [PDF]
The critical path in schedule analysis defines the series of tasks that have no schedule slack leading to the delivery of a system. The critical path for NASA science missions, which typically runs through a spacecraft subsystem or a scientific ...
Bitten, Robert, Shinn, Stephen
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Estimation of Water Elevation Using ICESat-2 Satellite
Engineer: Journal of the Institution of Engineers, Sri LankaDue to the lack of in-situ gauge data, remote sensing is crucial for water level monitoring. This study presents a thorough examination of water level variations in nine main Sri Lankan reservoirs over the past five years, using data from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) Advanced Topographic Laser Altimeter System (ATLAS).
Chandima Madumalsha +3 more
openaire +1 more source