Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1621-1640 of 5084
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An Algorithm for the Constraining of Radiative Transfer Calculations to CERES-Observed Broadband Top-of-Atmosphere Irradiance
(American Meteorological Society, 2013)ASA?s Clouds and the Earth?s Radiant Energy System (CERES) project is responsible for operation and data processing of observations from scanning radiometers on board the Tropical Rainfall Measuring Mission (TRMM), Terra, ... -
Observational Evidence of Summer Shamal Swells along the West Coast of India
(American Meteorological Society, 2012)ave data collected off Ratnagiri, which is on the west coast of India, in 2010 and 2011 are used to examine the presence of the summer shamal swells. This study also aims to understand variations in wave characteristics ... -
A Surface Mooring for Air–Sea Interaction Research in the Gulf Stream. Part I: Mooring Design and Instrumentation
(American Meteorological Society, 2012)he design of a surface mooring for deployment in the Gulf Stream in the Mid-Atlantic Bight is described. The authors' goals were to observe the surface meteorology; upper-ocean variability; and air?sea exchanges of heat, ... -
Improvement of Liquid Water Content Retrieval Accuracy by Multilevel Detection in Cloud Tomography
(American Meteorological Society, 2012)new multilevel detection scheme for cloud tomography is developed. This scheme solves problems intrinsic to conventional single-level detection, such as the lateral boundary problem and the low accuracy of liquid water ... -
Comparison of Two Different Cloud Climatologies Derived from CALIOP-Attenuated Backscattered Measurements (Level 1): The CALIPSO-ST and the CALIPSO-GOCCP
(American Meteorological Society, 2012)wo different cloud climatologies have been derived from the same NASA?Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP)-measured attenuated backscattered profile (level 1, version 3 dataset). The first climatology, ... -
Geophysical Applications of Partial Wavelet Coherence and Multiple Wavelet Coherence
(American Meteorological Society, 2012)n this paper, the application of partial wavelet coherence (PWC) and multiple wavelet coherence (MWC) to geophysics is demonstrated. PWC is a technique similar to partial correlation that helps identify the resulting wavelet ... -
An Effective, Economic, Aspirated Radiation Shield for Air Temperature Observations and Its Spatial Gradients
(American Meteorological Society, 2012)his paper presents the design and evaluates the performance of a double-walled electrically aspirated radiation shield for thermometers measuring air temperature and its gradients in the atmospheric surface layer. Tests ... -
In Situ CO2 and O2 Measurements on a Profiling Float
(American Meteorological Society, 2012)n recent years, profiling floats, which form the basis of the successful international Argo observatory, are also being considered as platforms for marine biogeochemical research. This study showcases the utility of floats ... -
The Retrieval of Profiles of Particulate Extinction from Cloud–Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) Data: Uncertainty and Error Sensitivity Analyses
(American Meteorological Society, 2012)rofiles of atmospheric cloud and aerosol extinction coefficients are retrieved on a global scale from measurements made by the lidar on board the Cloud?Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) ... -
Water Surface Topography Retrieved from Color Images
(American Meteorological Society, 2013)ubmerged objects viewed through wavy water surfaces appear distorted by refraction. An imaging system exploiting this effect is implemented using a submerged planar light source designed so that color images reveal features ... -
A Glider Network Design Study for a Synoptic View of the Oceanic Mesoscale Variability
(American Meteorological Society, 2013)his study presents an Observing System Simulation Experiment (OSSE) with a network of gliders in a realistic mesoscale field of eddies and filaments. The main objective is to demonstrate that the analysis skill evaluation, ... -
Field Measurements of Wind Turbine Wakes with Lidars
(American Meteorological Society, 2012)ield measurements of the wake flow produced from a 2-MW Enercon E-70 wind turbine were performed using three scanning Doppler wind lidars. A GPS-based technique was used to determine the position of the wind turbine and ... -
Isobaric Height Perturbations Associated with Mountain Waves Measured by Aircraft during the Terrain-Induced Rotor Experiment
(American Meteorological Society, 2012)t has only been in the last few years that accurate measurement of the horizontal pressure gradient has been possible over complex terrain using an airborne platform. To infer forcing mechanisms for the wind, an independent ... -
Spaceborne Radar Sensing of Precipitation above an Ocean Surface: Polarization Contrast Study
(American Meteorological Society, 1993)This feasibility study explores the potential benefits of polarization adjustment for spaceborne radar sensing of precipitation. More specifically, the role of the wave polarization in separating or ?distinguishing? ocean ... -
Sensitivity of Convective Initiation Prediction to Near-Surface Moisture When Assimilating Radar Refractivity: Impact Tests Using OSSEs
(American Meteorological Society, 2013)he Advanced Regional Prediction System (ARPS) three-dimensional variational (3DVAR) system is enhanced to include the analysis of radar-derived refractivity measurements. These refractivity data are most sensitive to ... -
Measuring a Utility-Scale Turbine Wake Using the TTUKa Mobile Research Radars
(American Meteorological Society, 2012)bservations of the wake generated by a single utility-scale turbine and collected by the Texas Tech University Ka-band mobile research radars on 27 October 2011 are introduced. Remotely sensed turbine wake observations ... -
Velocity Imprecision in Finite-Beamwidth Shipboard Doppler Sonar: A First-Generation Correction Algorithm
(American Meteorological Society, 2012)he finite angular width of Doppler sonar beams introduces errors into the measurement of ocean velocity from moving ships. These errors are exacerbated as ship speed increases and as the acoustic scatter field becomes more ... -
Adjusting the Wind Stress Drag Coefficient in Storm Surge Forecasting Using an Adjoint Technique
(American Meteorological Society, 2012)three-dimensional ocean model and its adjoint model are used to adjust the drag coefficient in the calculation of wind stress for storm surge forecasting. A number of identical twin experiments (ITEs) with different error ... -
Baroclinic Motions and Energetics as Measured by Altimeters
(American Meteorological Society, 2012)mall surface displacements appearing in tide gauge and altimetric records are used to detect hydrostatic baroclinic modes in the ocean. Those deflections are a small fraction of the interior isopycnal vertical displacements ... -
Three-Dimensional UAV-Based Atmospheric Tomography
(American Meteorological Society, 2012)his paper presents a method for tomographically reconstructing spatially varying three-dimensional atmospheric temperature profiles and wind velocity fields based on passive acoustic travel time measurements between a small ...