Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1381-1400 of 5084
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Methodology to Correct Wind Speed during Average Wind Conditions: Application to the Caribbean Sea
(American Meteorological Society, 2014)he spatial and temporal variability of ocean wind waves plays an important role in many engineering and environmental problems. Although research in this area has been improved in recent decades thanks to the emergence of ... -
A Direct Link between Feature Tracking and Height Assignment of Operational EUMETSAT Atmospheric Motion Vectors
(American Meteorological Society, 2013)eight assignment (HA) is currently the most challenging task in the operational atmospheric motion vectors? (AMV) extraction scheme. Several sources of error are associated with the height assignment step, including the ... -
A Dual-Polarization Radar Hydrometeor Classification Algorithm for Winter Precipitation
(American Meteorological Society, 2014)he purpose of this study is to demonstrate the use of polarimetric observations in a radar-based winter hydrometeor classification algorithm. This is accomplished by deriving bulk electromagnetic scattering properties of ... -
Observation Operator for Visible and Near-Infrared Satellite Reflectances
(American Meteorological Society, 2014)perational numerical weather prediction systems currently only assimilate infrared and microwave satellite observations, whereas visible and near-infrared reflectances that comprise information on atmospheric clouds are ... -
Profiling Sea Ice with a Multiple Altimeter Beam Experimental Lidar (MABEL)
(American Meteorological Society, 2014)he sole instrument on the upcoming Ice, Cloud, and Land Elevation Satellite (ICESat-2) altimetry mission is a micropulse lidar that measures the time of flight of individual photons from laser pulses transmitted at 532 nm. ... -
Using the Time-Lag Correlation Function of Dual-Aperture Scintillometer Measurements to Obtain the Crosswind
(American Meteorological Society, 2013)n this study the crosswind (U?) is determined from the time-lag correlation function [r12(τ)] measured by a dual large-aperture scintillometer; U? is defined as the wind component perpendicular to a path?in this case, the ... -
Ground Clutter Mitigation for Weather Radars Using the Autocorrelation Spectral Density
(American Meteorological Society, 2014)adar returns from the ground, known as ground clutter, can contaminate weather signals, often resulting in severely biased meteorological estimates. If not removed, these contaminants may artificially inflate quantitative ... -
Airborne Rain-Rate Measurement with a Wide-Swath Radar Altimeter
(American Meteorological Society, 2014)he NOAA Wide-Swath Radar Altimeter (WSRA) uses 80 narrow beams spread over ±30° in the cross-track direction to generate raster lines of sea surface topography at a 10-Hz rate from which sea surface directional wave spectra ... -
Observations of the Boundary Layer near Tornadoes and in Supercells Using a Mobile, Collocated, Pulsed Doppler Lidar and Radar
(American Meteorological Society, 2013)uring the Second Verification of the Origins of Rotation in Tornadoes Experiment (VORTEX2), in the spring of 2010, a mobile and pulsed Doppler lidar system [the Truck-Mounted Wind Observing Lidar Facility (TWOLF)] mounted ... -
A New Method to Calibrate Shortwave Solar Radiation Measurements
(American Meteorological Society, 2014)method is proposed to simultaneously calibrate shortwave (0.3?4 ?m) global, direct, and scattering solar irradiance (GSI, DSI, and SSI, respectively) measurements. The method uses the World Radiation Reference (WRR) as a ... -
Quantification of the Effects of Shattering on Airborne Ice Particle Measurements
(American Meteorological Society, 2013)ce particle shattering poses a serious problem to the airborne characterization of ice cloud microstructure. Shattered ice fragments may contaminate particle measurements, resulting in artificially high concentrations of ... -
Small-Scale Variability in Sea Surface Salinity and Implications for Satellite-Derived Measurements
(American Meteorological Society, 2013)alibration and validation efforts of the Aquarius and Soil Moisture and Ocean Salinity (SMOS) satellite missions involve comparisons of satellite and in situ measurements of sea surface salinity (SSS). Such estimates of ... -
On the Transition from Profile Altimeter to Swath Altimeter for Observing Global Ocean Surface Topography
(American Meteorological Society, 2013)onventional radar altimeter makes measurement of sea surface height (SSH) in one-dimensional profiles along the ground tracks of a satellite. Such profiles are combined via various mapping techniques to construct two-dimensional ... -
A New Dew and Frost Detection Sensor Based on Computer Vision
(American Meteorological Society, 2014)any weather features such as precipitation and snow depth can be recorded using automatic surface observation systems. However, automatically observing dew and frost presents several problems. Many studies have used various ... -
Assessment of CODAR SeaSonde and WERA HF Radars in Mapping Surface Currents on the West Florida Shelf
(American Meteorological Society, 2014)oncurrently operated on the West Florida shelf for the purpose of observing surface currents are three long-range (4.9 MHz) Coastal Ocean Dynamics Applications Radar (CODAR) SeaSonde and two median-range (12.7 MHz) Wellen ... -
Impact of Wind Guess on the Tracking of Atmospheric Motion Vectors
(American Meteorological Society, 2013)he goal of this paper is to show the impact of the use of the wind guess (WG) in atmospheric motion vector (AMV) extraction schemes. The study has been performed using the Satellite Application Facility on Support to ... -
Quantifying Wind Turbine Wake Characteristics from Scanning Remote Sensor Data
(American Meteorological Society, 2014)ecause of the dense arrays at most wind farms, the region of disturbed flow downstream of an individual turbine leads to reduced power production and increased structural loading for its leeward counterparts. Currently, ... -
Spectral Kurtosis–Based Method for Weak Target Detection in Sea Clutter by Microwave Coherent Radar
(American Meteorological Society, 2014)new method is proposed to detect small targets embedded in sea clutter for land-based microwave coherent radar using spectral kurtosis as a signature from radar data. It is executed according to the following procedures. ... -
Development and Analysis of the Systematically Merged Atlantic Regional Temperature and Salinity Climatology for Oceanic Heat Content Estimates
(American Meteorological Society, 2013)n oceanic climatology to calculate upper-ocean thermal structure was developed for application year-round in the North Atlantic Ocean basin. The Systematically Merged Atlantic Regional Temperature and Salinity (SMARTS) ... -
Estimation and Comparison of Horizontal Winds Using Various Spectral Estimation Methods on Profiler Radars
(American Meteorological Society, 2014)he lower atmospheric wind profiles are obtained by the postset beam steering (PBS) technique on middle and upper (MU) atmosphere radar data. The Capon beamformer is used to improve the beam synthesizing in the desired ...