Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 2441-2460 of 5084
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Estimating Sea Spray Volume with a Laser Altimeter
(American Meteorological Society, 2011)own-looking laser altimeters are commonly used to measure the sea surface elevation. However, because the laser radiation is attenuated by spray droplets suspended along the transmission path, it is presumed that altimeters ... -
A Method for Data Processing to Obtain High-Quality XCTD Data
(American Meteorological Society, 2011)data processing method to obtain high-quality data from an expendable conductivity?temperature?depth (XCTD) profiler is proposed. By adjusting the mismatch of the response time of the temperature and conductivity sensors, ... -
Altimetry Combined with Hydrography for Ocean Transport Estimation
(American Meteorological Society, 2011)method to estimate mass and heat transports across hydrographic sections using hydrography together with altimetry data in a geostrophic inverse box model is presented. Absolute surface velocities computed from Archiving, ... -
Using Satellite Ocean Color Data to Derive an Empirical Model for the Penetration Depth of Solar Radiation (Hp) in the Tropical Pacific Ocean
(American Meteorological Society, 2011)atellite-based ocean color measurements indicate clear evidence for bioclimate interactions in the tropical Pacific associated with El Niño?Southern Oscillation (ENSO). Recent modeling studies have demonstrated that ocean ... -
Temporal Variation of Aerosol Optical Properties at Măgurele, Romania
(American Meteorological Society, 2011)ven though much research has been conducted regarding the study of atmospheric aerosols, significant uncertainties still exist in this direction. The uncertainties are related to different physical and microphysical ... -
Error Covariance Matrices Characterization in the Ocean Salinity Retrieval Cost Function within the SMOS Mission
(American Meteorological Society, 2011)he interests of the scientific community working on the Soil Moisture and Ocean Salinity (SMOS) ocean salinity level 2 processor definition are currently focused on improving the performance of the retrieval algorithm, ... -
Laboratory Evaluation and Control of Slocum Glider C–T Sensors
(American Meteorological Society, 2011)naccounted transient or permanent changes in sensor performances can compromise the overall quality of datasets obtained with a glider. From the specific perspective of the principal physical variables (temperature and ... -
First Observations of Microbaroms with Single Absolute Barometers
(American Meteorological Society, 2011)he first observations of microbaroms with single absolute barometers are presented and discussed. Microbaroms are pulses of atmospheric infrasound emitted by ocean surface waves. They can propagate over thousands of ... -
Statistics of Cloud Optical Properties from Airborne Lidar Measurements
(American Meteorological Society, 2011)ccurate knowledge of cloud optical properties, such as extinction-to-backscatter ratio and depolarization ratio, can have a significant impact on the quality of cloud extinction retrievals from lidar systems because ... -
The Effect of Modal Interference on VLF Long-Range Lightning Location Networks Using the Waveform Correlation Technique
(American Meteorological Society, 2011)he arrival time difference (ATD) long-range lightning location network (ATDnet) is the long-range very low frequency (VLF) lightning location network owned and operated by the Met Office, locating lightning using a waveform ... -
Automatic Curve Extraction for Digitizing Rainfall Strip Charts
(American Meteorological Society, 2011)method has been developed that largely automates the labor-intensive extraction work for large amounts of rainfall strip charts and paper rolls. The method consists of the following five basic steps: 1) scanning the charts ... -
A Novel Approach for Selective Reconstruction of Cloud-Contaminated Satellite Images
(American Meteorological Society, 2011)he paper presents a robust technique for cloud clearing of satellite imagery. The proposed algorithm combines mathematical morphological techniques with a conventional cloud clearing scheme to restore clear sky values. The ... -
A Physical Method for the Calibration of the AVHRR/3 Thermal IR Channels. Part II: An In-Orbit Comparison of the AVHRR Longwave Thermal IR Channels on board MetOp-A with IASI
(American Meteorological Society, 2011)btaining stable and accurate satellite radiances for climate change research requires extremely high standards for satellite calibration. Many satellite sensors do not currently meet the accuracy criteria, especially ... -
Integration of Lidar Data into a Coupled Mesoscale–Land Surface Model: A Theoretical Assessment of Sensitivity of Urban–Coastal Mesoscale Circulations to Urban Canopy Parameters
(American Meteorological Society, 2011)rban?coastal circulations affect urban weather, dispersion and transport of pollutants and contaminants, and climate. Proper characterization and prediction of thermodynamic and dynamic processes in such environments are ... -
Design and Performance Characteristics of the New 8.5-m Dual-Offset Gregorian Antenna for the CSU–CHILL Radar
(American Meteorological Society, 2011)he Colorado State University?University of Chicago?Illinois State Water Survey (CSU?CHILL) national weather radar facility has been operated by the Colorado State University under a cooperative agreement with the U.S. ... -
Reconstruction of Aircraft Trajectories from AMDAR Weather Reports
(American Meteorological Society, 2011)t is well known that aircraft-based meteorological measurements exhibit systematic errors depending on various flight dynamic parameters. It is also widely assumed that operational Aircraft Meteorological Data Relay (AMDAR) ... -
COSMIC Radio Occultation Processing: Cross-Center Comparison and Validation
(American Meteorological Society, 2011)radio occultation data processing system (OCC) was developed for numerical weather prediction and climate benchmarking. The data processing algorithms use the well-established Fourier integral operator?based methods, which ... -
The CASA Nowcasting System
(American Meteorological Society, 2011)hort-term prediction (nowcasting) of high-impact weather events can lead to significant improvement in warnings and advisories and is of great practical importance. Nowcasting using weather radar reflectivity data has been ... -
Optimal Gabor-Frame-Expansion-Based Intermittent-Clutter-Filtering Method for Radar Wind Profiler
(American Meteorological Society, 2011)ntermittent clutter signals are frequently observed by radar wind profilers during the seasonal bird migration. A novel statistical filtering algorithm based on a simultaneous time?frequency analysis of the profiler?s raw ... -
An Artificial Neural Network with Chaotic Oscillator for Wind Shear Alerting
(American Meteorological Society, 2011)urrent research based on various approaches including the use of numerical weather prediction models, statistical models, and machine learning models have provided some encouraging results in the area of long-term weather ...