Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1201-1220 of 5084
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Numerical Simulation of Terrestrial Radiation over a Snow Cover
(American Meteorological Society, 2014)he intensity of terrestrial gamma radiation is a function of a number of parameters: emissivity and spatial distribution of the radioactive material in the soil, snow/water cover above ground, soil moisture content, type, ... -
The Evaluation of a New Method to Detect Mixing Layer Heights Using Lidar Observations
(American Meteorological Society, 2015)new automatic mixing layer height detection method for lidar observations of aerosol backscatter profiles is presented and evaluated for robustness. The new detection method incorporates the strengths of Steyn et al.?s ... -
A Novel “FlocDrifter” Platform for Observing Flocculation and Turbulence Processes in a Lagrangian Frame of Reference
(American Meteorological Society, 2014)novel drifter platform was used to measure the properties of aggregated particles called flocs?a key component of sediment transport in muddy environments. Also concurrently measured were turbulence, suspended sediment ... -
CORRIGENDUM
(American Meteorological Society, 2014) -
CORRIGENDUM
(American Meteorological Society, 2014) -
A New Cloud Screening Algorithm for Ground-Based Direct-Beam Solar Radiation
(American Meteorological Society, 2014)loud screening of direct-beam solar radiation is an essential step for in situ calibration and atmospheric properties retrieval. The internal cloud screening module of a Langley analysis program [Langley Analyzer (LA)] ... -
Extraction of Tide Constituents by Harmonic Analysis Using Altimetry Satellite Data in the Brazilian Coast
(American Meteorological Society, 2014)his paper analyzes the sea surface height dataset from the TOPEX, Jason-1, and Jason-2 satellites of a 19-yr time series in order to extract the tide harmonic constituents for the region limited by latitude 5°N?35°S and ... -
Estimating the Eddy Viscosity Profile from Velocity Spirals in the Ekman Boundary Layer
(American Meteorological Society, 2015)urbulent mixing induced by tidal currents near the sea bottom plays a key role in coastal and shallow sea environments. Many attempts have been made to quantify turbulent mixing near the seabed, such as velocity microstructure ... -
Novel Tornado Detection Using an Adaptive Neuro-Fuzzy System with S-Band Polarimetric Weather Radar
(American Meteorological Society, 2014)ornado debris signatures (TDS) exhibited in polarimetric measurements have the potential to facilitate tornado detection. The upgrade of the network of S-band Weather Surveillance Radar-1988 Doppler (WSR-88D) to dual ... -
Detection of Television Frequency Interference with Satellite Microwave Imager Observations over Oceans
(American Meteorological Society, 2014)he geostationary satellite television (TV) signals that are broadcasted over various continents can be reflected back to space when they reach ocean surfaces. If the reflected signals are intercepted by the antenna of the ... -
An Assessment of the Precision and Confidence of Aquatic Eddy Correlation Measurements
(American Meteorological Society, 2014)he quantification of benthic fluxes with the aquatic eddy correlation (EC) technique is based on simultaneous measurement of the current velocity and a targeted bottom water parameter (e.g., O2, temperature). High-frequency ... -
A Cluster-Based Method for Hydrometeor Classification Using Polarimetric Variables. Part II: Classification
(American Meteorological Society, 2015)wo new algorithms for hydrometeor classification using polarimetric radar observations are developed based on prototypes derived by applying clustering techniques (Part I of this two-part paper). Each prototype is defined ... -
Variational Estimation of Wave-Affected Parameters in a Two-Equation Turbulence Model
(American Meteorological Society, 2014)variational method is used to estimate wave-affected parameters in a two-equation turbulence model with assimilation of temperature data into an ocean boundary layer model. Enhancement of turbulent kinetic energy dissipation ... -
A Method for Retrieving the Ground Flash Fraction and Flash Type from Satellite Lightning Mapper Observations
(American Meteorological Society, 2014)n analytic perturbation method is introduced for retrieving the lightning ground flash fraction in a set of N lightning flashes observed by a satellite lightning mapper. The value of N must be large, typically in the ... -
Pyranometer Thermal Offset: Measurement and Analysis
(American Meteorological Society, 2014)he reliable estimation of the radiative forcing and trends in radiation requires very accurate measurements of global and diffuse solar irradiance at the earth?s surface. To improve measurement accuracy, error sources such ... -
Polarimetric Variables Retrieval with Clutter Suppression for Staggered PRT Sequences
(American Meteorological Society, 2015)his paper presents a procedure to filter ground clutter from dual-polarized staggered pulse repetition time (PRT) radar data in simultaneous and alternating transmission modes for polarimetric variables retrieval. The ... -
Median Filter Effects on Radar Wind Profiler Spectral Noise Statistics
(American Meteorological Society, 2014)adar wind profiler (RWP) systems observe radar returns from refractive index fluctuations due to clear-air turbulence. The Doppler spectra used to compute the moments of the returned signal always include noise from various ... -
An Improved Near-Surface Specific Humidity and Air Temperature Climatology for the SSM/I Satellite Period
(American Meteorological Society, 2015)near-surface specific humidity (Qa) and air temperature (Ta) climatology on daily and 0.25° grids was constructed by the objectively analyzed air?sea fluxes (OAFlux) project by objectively merging two recent satellite-derived ... -
Optimization of the High-Frequency Radar Sites in the Bering Strait Region
(American Meteorological Society, 2014)onitoring surface currents by coastal high-frequency radars (HFRs) is a cost-effective observational technique with good prospects for further development. An important issue in improving the efficiency of HFR systems is ... -
Optimal Spectral Decomposition (OSD) for Ocean Data Assimilation
(American Meteorological Society, 2015)ptimal spectral decomposition (OSD) is applied to ocean data assimilation with variable (temperature, salinity, or velocity) anomalies (relative to background or modeled values) decomposed into generalized Fourier series, ...