Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1681-1700 of 5084
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Simulation of Spaced Antenna Wind Retrieval Performance on an X-Band Active Phased Array Weather Radar
(American Meteorological Society, 2012)paced antenna baseline wind retrievals, in conjunction with traditional Doppler measurements, are a potential means of fine angular resolution weather radar wind vector retrieval. A spaced antenna implementation on an ... -
Calibration and Quality Assurance of an Airborne Turbulence Probe in an Aeronautical Wind Tunnel
(American Meteorological Society, 2012)he Best Aircraft Turbulence (BAT) probe is used by multiple research groups worldwide. To promote an accurate interpretation of the data obtained from the probe?s unusual nine-port design, a detailed understanding of the ... -
Applicability of AIRS Monthly Mean Atmospheric Water Vapor Profiles over the Tibetan Plateau Region
(American Meteorological Society, 2012)he research explores the applicability of the gridded (level 3) monthly tropospheric water vapor (version 5) retrievals from the Atmospheric Infrared Sounder (AIRS) instrument and the Advanced Microwave Sounding Unit (AMSU) ... -
Quality Control Algorithms for the Kennedy Space Center 50-MHz Doppler Radar Wind Profiler Winds Database
(American Meteorological Society, 2012)his paper presents the process used by the Marshall Space Flight Center Natural Environments Branch (EV44) to quality control (QC) data from the Kennedy Space Center?s 50-MHz Doppler radar wind profiler (DRWP) for use in ... -
Comparison of Airborne In Situ, Airborne Radar–Lidar, and Spaceborne Radar–Lidar Retrievals of Polar Ice Cloud Properties Sampled during the POLARCAT Campaign
(American Meteorological Society, 2012)his study illustrates the high potential of RALI, the French airborne radar?lidar instrument, for studying cloud processes and evaluating satellite products when satellite overpasses are available. For an Arctic nimbostratus ... -
Separating Cloud and Drizzle Radar Moments during Precipitation Onset Using Doppler Spectra
(American Meteorological Society, 2013)he retrieval of cloud, drizzle, and turbulence parameters using radar Doppler spectra is challenged by the convolution of microphysical and dynamical influences and the overall uncertainty introduced by turbulence. A new ... -
Assessing Moonlight Availability for Nighttime Environmental Applications by Low-Light Visible Polar-Orbiting Satellite Sensors
(American Meteorological Society, 2012)he next-generation U.S. polar-orbiting environmental satellite program, the Joint Polar Satellite System (JPSS), promises unprecedented capabilities for nighttime remote sensing by way of the day/night band (DNB) low-light ... -
A New Visible Albedo Normalization Method: Quasi-Lambertian Surface Adjustment
(American Meteorological Society, 2012)new visible (VIS; 0.55?0.9 ?m) albedo normalization method, that is, the quasi-Lambertian surface adjustment (QLSA), is developed herein by using the geostationary meteorological satellite data and radiative transfer model. ... -
Repeatability of the Seasonal Variations of Ozone near the Mesopause from Observations of the 11.072-GHz Line
(American Meteorological Society, 2012)round-based observations of the 11.072-GHz line of ozone were made from January 2008 through the middle of September 2011 to estimate the maximum in the nighttime ozone in the upper mesosphere at an altitude of about 95 ... -
Improved Imaging and Image Analysis System for Application to Measurement of Small Ice Crystals
(American Meteorological Society, 2012)ccurate knowledge of ice particle size and shape distribution is required for understanding of atmospheric microphysical processes. While larger ice particles are easily measured with a variety of sensors, the measurement ... -
Diagnostic Pressure Equation as a Weak Constraint in a Storm-Scale Three-Dimensional Variational Radar Data Assimilation System
(American Meteorological Society, 2012)diagnostic pressure equation is incorporated into a storm-scale three-dimensional variational data assimilation (3DVAR) system in the form of a weak constraint in addition to a mass continuity equation constraint (MCEC). ... -
Time Constant Estimates for Radiosonde Temperature Sensors
(American Meteorological Society, 2012)o correct time lag errors in radiosonde temperatures the sensor time constant has to be known. Time constants are not published for some widely used sensors and, in some cases, available time constants disagree. This study ... -
Laser Interferometry of Turbulent Atmosphere
(American Meteorological Society, 2012)he paper introduces a new laser interferometry?based method for diagnosis of random media by means of high-accuracy angle measurements and describes the results of its development and testing. Theoretical calculations of ... -
Mapping GPS Radio Occultation Data by Bayesian Interpolation
(American Meteorological Society, 2012)ayesian interpolation for mapping GPS radio occultation data on a sphere is explored and its performance evaluated. Bayesian interpolation is ideally suited to the task of fitting data randomly and nonuniformly distributed ... -
Partial CO2 Column-Averaged Dry-Air Mixing Ratio from Measurements by Coherent 2-μm Differential Absorption and Wind Lidar with Laser Frequency Offset Locking
(American Meteorological Society, 2012)coherent 2-?m differential absorption and wind lidar (Co2DiaWiL) with a 2-?m single-frequency Q-switched laser with laser frequency offset locking was used for long-range CO2 measurement. The frequency stabilization of the ... -
Averaging-Related Biases in Monthly Latent Heat Fluxes
(American Meteorological Society, 2012)easonal-to-multidecadal applications that require ocean surface energy fluxes often require accuracies of surface turbulent fluxes to be 5 W m?2 or better. While there is little doubt that uncertainties in the flux algorithms ... -
Application of Artificial Neural Networks on North Atlantic Tropical Cyclogenesis Potential Index in Climate Change
(American Meteorological Society, 2012)methodology using artificial neural networks is presented to project twenty-first-century changes in North Atlantic tropical cyclone (TC) genesis potential (GP) in a five-model ensemble of global climate models. Two types ... -
Far-Field Power of Lightning Strokes as Measured by the World Wide Lightning Location Network
(American Meteorological Society, 2012)he World Wide Lightning Location Network (WWLLN) is a long-range network capable of locating lightning strokes in space and time. While able to locate lightning to within a few kilometers and tens of microseconds, the ... -
Assessing Errors in Variational Dual-Doppler Wind Syntheses of Supercell Thunderstorms Observed by Storm-Scale Mobile Radars
(American Meteorological Society, 2012)ual-Doppler wind retrieval is an invaluable tool in the study of convective storms. However, the nature of the errors in the retrieved three-dimensional wind estimates and subsequent dynamical analyses is not precisely ... -
A Minimum Threshold for Wind Profiler Signal-to-Noise Ratios
(American Meteorological Society, 2012)ne limiting factor in atmospheric radar observations is the inability to distinguish the often weak atmospheric signals from fluctuations of the noise. This study presents a minimum threshold of usability, SNRmin, for ...