Results 21 to 30 of about 1,246,151 (205)

Joint analysis of convective structure from the APR-2 precipitation radar and the DAWN Doppler wind lidar during the 2017 Convective Processes Experiment (CPEX) [PDF]

open access: yesAtmospheric Measurement Techniques, 2020
The mechanisms linking convection and cloud dynamical processes are major factors in much of the uncertainty in both weather and climate prediction.
F. J. Turk   +7 more
doaj   +1 more source

Airborne polarimetric Doppler weather radar: trade-offs between various engineering specifications [PDF]

open access: yesGeoscientific Instrumentation, Methods and Data Systems, 2018
NCAR EOL is investigating potential configurations for the next-generation airborne phased array radar (APAR) that is capable of retrieving dynamic and microphysical characteristics of clouds and precipitation. The APAR will operate at C band.
J. Vivekanandan, E. Loew
doaj   +1 more source

Construction and Application of Weather Radar Aerial Ecological Monitoring System

open access: yes应用气象学报, 2023
Ecological monitoring is an important part of environmental protection. To monitor the movement and abundance of animals in the airspace, an Aerial Ecological Monitoring System (AEMS) is developed by CMA Meteorological Observation Center for China's next-
Liang Li   +9 more
doaj   +1 more source

Assimilation of DAWN Doppler wind lidar data during the 2017 Convective Processes Experiment (CPEX): impact on precipitation and flow structure [PDF]

open access: yesAtmospheric Measurement Techniques, 2021
An improved representation of 3-D air motion and precipitation structure through forecast models and assimilation of observations is vital for improvements in weather forecasting capabilities.
S. Hristova-Veleva   +5 more
doaj   +1 more source

Airborne Synthetic Aperture Radar: Models, Focusing and Experiments [PDF]

open access: yes, 2006
Synthetic Aperture Radar (SAR) is a remote sensing technique that allows the generation of microwave images of the Earth surface, independently of weather condition and of sun illumination.
Perna, Stefano
core   +1 more source

Quantifying insect migration across Bohai strait using weather radar

open access: yesThe Journal of Engineering, 2019
Weather radars provide continuous recording over extensive spatial coverage, which is valuable for biologists who observe and study biological activities over a wide range of temporal and spatial scales.
Kai Cui   +5 more
doaj   +1 more source

Deep Learning on Airborne Radar Echograms for Tracing Snow Accumulation Layers of the Greenland Ice Sheet

open access: yesRemote Sensing, 2021
Climate change is extensively affecting ice sheets resulting in accelerating mass loss in recent decades. Assessment of this reduction and its causes is required to project future ice mass loss.
Debvrat Varshney   +5 more
doaj   +1 more source

A Quality Control Concept for Radar Reflectivity, Polarimetric Parameters, and Doppler Velocity [PDF]

open access: yes, 2006
Over the last few years the use of weather radar data has become a fundamental part of various applications like rain-rate estimation, nowcasting of severe weather events, and assimilation into numerical weather prediction models.
Friedrich, Katja   +2 more
core   +1 more source

A Network of Portable, Low-Cost, X-Band Radars [PDF]

open access: yes, 2012
Radar is a unique tool to get an overview on the weather situation, given its high spatio- temporal resolution. Over 60 years, researchers have been investigating ways for obtaining the best use of radar.
Allegretti, Marco   +16 more
core   +1 more source

Airborne Multi-functional Maritime Surveillance Radar System Design and Key Techniques

open access: yesLeida xuebao, 2019
As the main task load of the airborne platform for sea detection, the airborne multi-functional marine surveillance radar system has the following characteristics: the ability to operate in all weather conditions regularly, a wide detection range, and a ...
JIANG Qian, WU Hao, WANG Yanyu
doaj   +1 more source

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