Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1761-1780 of 5084
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Toward Automated Identification of Sea Surface Temperature Front Signatures in Radarsat-2 Images
(American Meteorological Society, 2011)he Canadian Forces Meteorology and Oceanography Center produces a near-daily ocean feature analysis, based on sea surface temperature (SST) images collected by spaceborne radiometers, to keep the fleet informed of the ... -
Divergence-Free Spatial Velocity Flow Field Interpolator for Improving Measurements from ADCP-Equipped Small Unmanned Underwater Vehicles
(American Meteorological Society, 2011)pplying a two-dimensional (2D) divergence-free (DF) interpolation to a one-person deployable unmanned underwater vehicle?s (UUV) noisy moving-vessel acoustic Doppler current profiler (MV-ADCP) measurements improves the ... -
Statistical Quality of Spectral Polarimetric Variables for Weather Radar
(American Meteorological Society, 2012)pectral polarimetry for weather radar capitalizes on both Doppler and polarimetric measurements to reveal polarimetric variables as a function of radial velocity through spectral analysis. For example, spectral differential ... -
On the Importance of Vaisala RS92 Radiosonde Humidity Corrections for a Better Agreement between Measured and Modeled Satellite Radiances
(American Meteorological Society, 2011)study has been carried out to assess the importance of radiosonde corrections in improving the agreement between satellite and radiosonde measurements of upper-tropospheric humidity. Infrared [High Resolution Infrared ... -
Wind Field Characterization from the Trajectories of Small Balloons
(American Meteorological Society, 2012)his paper reports the development and application of a new wind sensing system, ValidWind. ValidWind consists of small, helium-filled tracer balloons and an instrument that tracks them with high spatial resolution by means ... -
Evaluating Primary Marine Aerosol Production and Atmospheric Roll Structures in Hawaii’s Natural Oceanic Wind Tunnel
(American Meteorological Society, 2012)opography-induced steady-state accelerated wind flow in the Alenuihaha Channel between the islands of Hawaii and Maui provides about 100 km of fetch with winds that can nearly double over trade wind speed. Here ship- and ... -
Objective Optimization of Weather Radar Networks for Low-Level Coverage Using a Genetic Algorithm
(American Meteorological Society, 2012)he current Weather Surveillance Radar-1988 Doppler (WSR-88D) radar network is approaching 20 years of age, leading researchers to begin exploring new opportunities for a next-generation network in the United States. With ... -
Validating IASI Temperature and Moisture Sounding Retrievals over East Asia Using Radiosonde Observations
(American Meteorological Society, 2012)emperature and moisture profiles retrieved from Infrared Atmospheric Sounding Interferometer (IASI) data are evaluated using collocated radiosonde data from September 2008 to August 2009 over East Asia. The level-2 products ... -
Wind Sea and Swell Separation of 1D Wave Spectrum by a Spectrum Integration Method
(American Meteorological Society, 2011)n an earlier paper by Wang and Hwang, a wave steepness method was introduced to separate the wind sea and swell of the 1D wave spectrum without relying on external information, such as the wind speed. Later, the method was ... -
The NOAA Products Validation System (NPROVS)
(American Meteorological Society, 2012)he following report summarizes the NOAA Products Validation System (NPROVS), operated at the NOAA National Environmental Satellite, Data, and Information Service (NESDIS) Center for Satellite Applications and Research ... -
An Evaluation of Acoustic Doppler Velocimeters as Sensors to Obtain the Concentration of Suspended Mass in Water
(American Meteorological Society, 2012)uring the last two decades, acoustic Doppler velocimeters (ADVs) and other acoustic sensors have been used by researchers in the ocean science community to acquire information on current velocity and turbulence. More ... -
Bottom Topography Mapping via Nonlinear Data Assimilation
(American Meteorological Society, 2011)variational data assimilation method is described for bottom topography mapping in rivers and estuaries using remotely sensed observations of water surface currents. The velocity field and bottom topography are related by ... -
Assessing Stability of CERES-FM3 Daytime Longwave Unfiltered Radiance with AIRS Radiances
(American Meteorological Society, 2011)louds and the Earth?s Radiant Energy System (CERES) daytime longwave (LW) radiances are determined from the difference between a total (TOT) channel (0.3?200 ?m) measurement and a shortwave (SW) channel (0.3?5 ?m) measurement, ... -
Incidence-Angle Dependency of TRMM PR Rain Estimates
(American Meteorological Society, 2011)he incidence-angle differences of estimated surface rainfall obtained from the precipitation radar (PR) on board the Tropical Rainfall Measuring Mission (TRMM) satellite were investigated. The bias before the orbit boost ... -
Field Testing of Cavity Ring-Down Spectroscopy Analyzers Measuring Carbon Dioxide and Water Vapor
(American Meteorological Society, 2011)revalent methods for making high-accuracy tower-based measurements of the CO2 mixing ratio, notably nondispersive infrared spectroscopy (NDIR), require frequent system calibration and sample drying. Wavelength-scanned ... -
Infrared Thermometry in Winter Road Maintenance
(American Meteorological Society, 2012)here is significant interest among road authorities in measuring pavement conditions to perform appropriate winter road maintenance. The most common monitoring methods are based on pavement-mounted sensors. This study?s ... -
Simultaneous Velocity Ambiguity Resolution and Noise Suppression for Multifrequency Coherent Doppler Sonar
(American Meteorological Society, 2011)oherent Doppler sonar is a useful tool for noninvasive measurement of ocean currents, sediment transport, and turbulence in coastal environments. Various methods have been proposed to separately address two of its inherent ... -
Geostrophic Velocity Measurement Techniques for the Meridional Overturning Circulation and Meridional Heat Transport in the South Atlantic
(American Meteorological Society, 2011)wo ocean general circulation models are used to test the ability of geostrophic velocity measurement systems to observe the meridional overturning circulation (MOC) and meridional heat transport (MHT) in the South Atlantic. ... -
Geostationary Doppler Radar and Tropical Cyclone Surveillance
(American Meteorological Society, 2011)he potential usefulness of spaceborne Doppler radar as a tropical cyclone observing tool is assessed by conducting a high-resolution simulation of an intense hurricane and generating synthetic observations of reflectivity ... -
On-Site Calibration for High Precision Measurements of Water Vapor Isotope Ratios Using Off-Axis Cavity-Enhanced Absorption Spectroscopy
(American Meteorological Society, 2011)table isotope ratio measurements of atmospheric water vapor (δ18Ov and δ2Hv) are scarce relative to those in precipitation. This limitation is rapidly changing due to advances in absorption spectroscopy technology and the ...