Results 81 to 90 of about 68,821 (260)

In Situ Observations of Ice Crystal Chain Aggregates in Winter Storms

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Ice crystal chain aggregates—linear structures of conjoined monomer crystals—have previously been observed in strongly electrified deep convection, likely forming via electric‐field‐enhanced aggregation. The NASA Investigation of Microphysics and Precipitation for Atlantic Coast‐Threatening Snowstorms field campaign conducted aircraft‐based ...
Christian M. Nairy   +9 more
wiley   +1 more source

Preliminary evaluation of infrared and radar imagery, Washington and Oregon coasts [PDF]

open access: yes
Airborne infrared and radar photography of Oregon and Washington coastal ...
Mac Leod, N. S., Snavely, P. D., Jr.
core   +1 more source

Development and flight test of an X-band precision approach concept for remote-area rotorcraft operations [PDF]

open access: yes
A novel airborne radar-based precision approach concept was developed and flight tested as a part of NASA's Rotorcraft All-Weather Operations Research Program. A demonstration, transponder-based beacon landing system (BLS), incorporating state-of-the-art
Chisholm, J. P., Clary, G. R.
core   +1 more source

Radar bibliography for geoscientists [PDF]

open access: yes
Bibliography on geological, agricultural, geographical, and related applications of side-looking airborne radar ...
Walters, R. L.
core   +1 more source

Summary of flight tests of an airborne lighting locator system and comparison with ground-based measurements of precipitation and turbulence [PDF]

open access: yes
Data from an airborne lightning locator system and data relating to storm intensity obtained by ground-based Doppler radars and the S-band research radar are presented.
Crabill, N. L., Fisher, B. D.
core   +1 more source

Airborne investigation of quasi-specular Ku-band radar scattering for satellite altimetry over snow-covered Arctic sea ice [PDF]

open access: gold, 2023
Claude de Rijke-Thoams   +5 more
openalex   +1 more source

Radar scattering from desert terrains, Pisgah/Lavic Region, California: Implications for Magellan [PDF]

open access: yes
A major component of the 1988 Mojave Field Experiment involved the simultaneous acquisition of quad-polarization multifrequency airborne Synthetic Aperture Radar (SAR) imaging radar data and ground measurements thought to be relevant to the radar ...
Arvidson, R. E., Plaut, J. J., Wall, S.
core   +1 more source

Airborne lidar observations supporting the ADM-Aeolus mission for global wind profiling [PDF]

open access: yes, 2012
The Atmospheric Dynamics Mission ADM-Aeolus of ESA will be the first lidar mission to sense the global wind field from space. The instrument is based on a direct-detection Doppler lidar operating at 354.9 nm with two spectrometers for aerosol/cloud ...
Lemmerz, Christian   +4 more
core  

Simulation of a weather radar display for over-water airborne radar approaches [PDF]

open access: yes
Airborne radar approach (ARA) concepts are being investigated as a part of NASA's Rotorcraft All-Weather Operations Research Program on advanced guidance and navigation methods.
Clary, G. R.
core   +1 more source

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