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Weather radar records drastic drop in mayfly populations(图)
Weather radar drastic drop mayfly populations
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2020/2/20
At the beginning of each summer, mayfly larvae emerge from bodies of water and shed their skin to become full-fledged mayflies, similar to the way in which caterpillars become butterflies.
Scientists track nighttime bird migration using weather radar
Scientists nighttime bird migration weather radar
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2016/2/23
Using recently developed techniques for analyzing Doppler weather radar data, researchers looked at the impediments -- crosswinds and oceans -- facing nighttime-migrating birds in eastern North Americ...
OU Students Use Nation’s Weather Radar Network to Track Bird Migration at Night
OU Students Nation’s Weather Radar Network Track Bird Migration at Night
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2015/7/13
Using the nation’s weather radar network, two University of Oklahoma doctoral students have developed a technique for forecasting something other than the weather: the orientation behavior of birds as...
2014 International Weather Radar and Hydrology Symposium
2014 International Weather Radar and Hydrology Symposium
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2014/4/2
The 2014 International Weather Radar and Hydrology symposium will cover a wide variety of topics related to hydrological, hydro-meteorological, hydro-climatological and water management applications o...
Preliminary evaluation of polarimetric parameters from a new dual-polarization C-band weather radar in an alpine region
Preliminary evaluation of polarimetric parameters new dual-polarization C-band weather radar alpine region
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2010/9/10
The first operational weather radar with dual polarization capabilities was recently installed in Austria. The use of polarimetric radar variables rises several expectations: an increased accuracy of ...
Overview of the Greater Lyon weather radar advances from 90's to 2008
Overview Greater Lyon weather radar advances
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2010/9/10
The local weather radar of Lyon, part of the Aramis network of Meteo-France, is currently located 40 km from the urban community. The measurement quality of this tool is subjected to constant improvem...
Dual-polarization C-band weather radar algorithms for rain rate estimation and hydrometeor classification in an alpine region
Dual-polarization C-band weather rain rate
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2010/2/3
Dual polarization is becoming the standard for new weather radar systems. In contrast to conventional weather radars, where the reflectivity is measured in one polarization plane only, a dual polariza...
Rainfall estimation and ground clutter rejection with dual polarization weather radar
Rainfall estimation ground clutter rejection
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2010/1/27
Conventional radars, used for atmospheric remote sensing, usually operate at a single polarization and frequency to estimate storm parameters such as rainfallrate and water content.
Hydrometeor classification from dual-polarized weather radar: extending fuzzy logic from S-band to C-band data
Hydrometeor classification dual-polarized weather
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2010/1/27
A model-based fuzzy classification method for C-band polarimetric radar data, named Fuzzy Radar Algorithm for Hydrometeor Classification at C-band (FRAHCC), is presented. Membership functions are desi...
An adaptive neuro-fuzzy inference system for the post-calibration of weather radar rainfall estimation
adaptive neuro-fuzzy inference system post-calibration weather radar rainfall estimation
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2009/12/4
An Adaptive Neuro-Fuzzy Inference System, based on a jack-knife approach, is proposed for the post-calibration of weather radar rainfall estimation exploiting available raingauge observations. The met...
A GIS methodology for the analysis of weather radar precipitation data
AGIS methodology analysis weather radar precipitation data
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2009/12/4
A GIS multi-component module was developed within the ArcView GIS environment for processing and analysing weather radar precipitation data. The module is capable of: (a) reading geo-reference radar d...
Digital Processing of Weather Radar Data at the Department of Meteorology,University of Helsinki
weather data rada Meteorology Processing fluctuations
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2009/6/18
Digital Processing of Weather Radar Data at the Department of Meteorology, University of Helsinki.
Lossless Compression of Interpolated and Raw MRL-5 Weather Radar Data
Lossless Compression Raw MRL-5 Weather Radar
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2009/6/12
Lossless Compression of Interpolated and Raw MRL-5 Weather Radar Data
A grid-based distributed flood forecasting model for use with weather radar data:Part 2. Case studies
flood forecasting model rainfall-runoff model weather radar data
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2009/6/5
A simple distributed rainfall-runoff model, configured on a square grid to make best use of weather radar data, was developed in Part 1 (Bell and Moore, 1998). The simple form of the basic model, ref...
Relation between weather radar equation and first-order backscattering theory
weather radar equation first-order backscattering theory
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2009/3/11
Aim of this work is to provide a new insight into the physical basis of the meteorological-radar theory in attenuating media. Starting form the general integral form of the weather radar equation, a m...