Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 4161-4180 of 5084
-
Ocean Tides from TOPEX/Poseidon Sea Level Data
(American Meteorological Society, 2001)Tidal constants are computed from TOPEX/Poseidon sea level data in the northeast Pacific Ocean for the period of September 1992?December 1997. The method used is harmonic analysis. Tidal constituents are also calculated ... -
The Use of Simultaneous Horizontal and Vertical Transmissions for Dual-Polarization Radar Meteorological Observations
(American Meteorological Society, 2001)Observations are presented in which the standard dual-polarization meteorological quantities (ZDR, ?dp, and ?HV) are determined from simultaneous horizontal (H) and vertical (V) transmissions. The return signals are measured ... -
The Use of TRMM Precipitation Radar Observations in Determining Ground Radar Calibration Biases
(American Meteorological Society, 2001)Since the successful launch of the Tropical Rainfall Measuring Mission (TRMM) satellite, measurements of a wide variety of precipitating systems have been obtained with unprecedented detail from the first space-based radar ... -
Statistical Characterization of Path Attenuation of Radar Signals at C Band
(American Meteorological Society, 2001)The use of C band in radar meteorology offers clear advantages as far as sensitivity and cost are concerned. On the other hand, the interpretation of the measurements in terms of meteorological quantities is more difficult ... -
Feasibility and Error Analysis of Cloud Motion Wind Extraction from Near-Simultaneous Multiangle MISR Measurements
(American Meteorological Society, 2001)Satellite wind measurements represent an invaluable contribution to the description of the flow field over the oceans. Conventional cloud-tracking techniques suffer from the inability to simultaneously determine wind speed ... -
The Derivation of Absolute Potential Temperature Perturbations and Pressure Gradients from Wind Measurements in Three-Dimensional Space
(American Meteorological Society, 2001)A thermodynamic retrieval scheme has been developed by which one can derive the pressure and potential temperature perturbation fields from wind observations detected by remote sensing devices such as Doppler radar. In ... -
Variational Retrievals Using SSM/I and SSM/T-2 Brightness Temperatures in Clear and Cloudy Situations
(American Meteorological Society, 2001)The direct assimilation of brightness temperatures (Tb?s) from the Defense Meteorological Satellite Program Special Sensor Microwave Imager (SSM/I) and Special Sensor Microwave Water Vapor Profiler (SSM/T-2) in a one-dimensional ... -
Thermodynamics of Icing Cylinder for Measurements of Liquid Water Content in Supercooled Clouds
(American Meteorological Society, 2001)The Rosemount Icing Detector (RICE) has been used extensively over the last three decades for aircraft measurements of the rate of ice riming in supercooled liquid and mixed clouds. Because of difficulties related to ... -
Long-Term Carbon Dioxide Fluxes from a Very Tall Tower in a Northern Forest: Flux Measurement Methodology
(American Meteorological Society, 2001)Methodology for determining fluxes of CO2 and H2O vapor with the eddy-covariance method using data from instruments on a 447-m tower in the forest of northern Wisconsin is addressed. The primary goal of this study is the ... -
The Simple Rectification to Cartesian Space of Folded Radial Velocities from Doppler Radar Sampling
(American Meteorological Society, 1986)Periodic sampling of the Doppler radar return signal at the pulse repetition frequency causes measured velocities to be ambiguous (folded) when true meteorological velocities along the radial direction exceed the Nyquist ... -
Assessing the Rosemount Icing Detector with In Situ Measurements
(American Meteorological Society, 2001)In situ measurements of microphysics conditions, obtained during 38 research flights into winter storms, have been used to characterize the performance of a Rosemount Icing Detector (RID). Characteristics of the RID were ... -
Eddy Covariance Measurements with Closed-Path Optical Humidity Sensors: A Feasible Concept?
(American Meteorological Society, 2001)Humidity spectra obtained with a closed-path optical hygrometer (LI-6262) show an apparent low-pass characteristic with a cutoff frequency varying between 0.01 and 0.1 Hz. Laboratory measurements revealed that contamination ... -
Meteorological Twin–Hot-Film Anemometry
(American Meteorological Society, 2001)A dual-sensor, twin?hot-film anemometer is applied to meteorological measurement of wind velocity in fair and rainy weather. Two sensors, each with a pair of hot-films mounted side by side, were operated in constant-temperature ... -
Corrigendum
(American Meteorological Society, 2001) -
Recovery of Near-Surface Velocity from Undrogued Drifters
(American Meteorological Society, 2001)The authors have quality controlled six global datasets of drifting buoy data, made comparisons of 15-m drogued and undrogued buoy observations, and developed a 2D linear regression model of the difference between drogued ... -
A New Shipborne Microwave Refractometer for Estimating the Evaporation Flux at the Sea Surface
(American Meteorological Society, 2001)After a brief description of humidity measurement and a short presentation of methods of microwave refractometry for evaporation flux, a new X-band refractometer system is presented. Based on a new design and a new material ... -
A Correction Method for Turbulence Measurements with a 3D Acoustic Doppler Velocity Profiler
(American Meteorological Society, 2001)A method is proposed to reduce the noise contribution to mean turbulence parameters obtained by 3D acoustic Doppler velocity profiler measurements. It is based on a noise spectrum reconstruction from cross-spectra evaluations ... -
Monte Carlo Study of the Scattering Error of a Quartz Reflective Absorption Tube
(American Meteorological Society, 2001)A Monte Carlo model was used to study the scattering error of an absorption meter with a divergent light beam and a limited acceptance angle of the receiver. Reflections at both ends of the tube were taken into account. ... -
SWIMSAT: A Real-Aperture Radar to Measure Directional Spectra of Ocean Waves from Space—Main Characteristics and Performance Simulation
(American Meteorological Society, 2001)The project SWIMSAT aims to measure the directional spectra of waves from space using a real-aperture radar with a low-incidence, conical-scanning beam. This system?s design is based on airborne versions developed in France ... -
An Isopycnally Averaged North Pacific Climatology
(American Meteorological Society, 2001)Approximately a quarter of a million hydrographic stations extracted from the North Pacific World Ocean Atlas 1994 have been subjected to a statistical quality control to produce a Pacific climatology in the spirit of the ...