Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 1861-1880 of 5084
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The Underway Conductivity–Temperature–Depth Instrument
(American Meteorological Society, 2007)The development of the Underway Conductivity?Temperature?Depth (UCTD) instrument is motivated by the desire for inexpensive profiles of temperature and salinity from underway vessels, including volunteer observing ships ... -
A Multispectral Technique for Detecting Low-Level Cloudiness near Sunrise
(American Meteorological Society, 2007)A technique using the Geostationary Operational Environmental Satellite (GOES) sounder radiance data has been developed to improve detection of low clouds and fog just after sunrise. The technique is based on a simple ... -
Velocity Comparisons from Upward and Downward Acoustic Doppler Current Profilers on the West Florida Shelf
(American Meteorological Society, 2007)Current observations are compared from upward- and downward-looking acoustic Doppler current profilers (ADCPs) deployed on the West Florida Shelf (WFS). Despite regional differences, statistical analyses show good agreement ... -
Quantifying EOS Aqua and NOAA POES AMSU-A Brightness Temperature Biases for Weather and Climate Applications Utilizing the SNO Method
(American Meteorological Society, 2007)Systematic biases between brightness temperature (Tb) measurements made from concurrently operational Advanced Microwave Sounding Unit-A (AMSU-A) instruments can introduce errors into weather and climate applications. For ... -
Lightning Charge Retrievals: Dimensional Reduction, LDAR Constraints, and a First Comparison with LIS Satellite Data
(American Meteorological Society, 2007)A ?dimensional reduction? (?DR?) method is introduced for analyzing lightning field changes (?Es) whereby the number of unknowns in a discrete two-charge model is reduced from the standard eight (x, y, z, Q, x?, y?, z?, ... -
Calibration of the Cloud Particle Imager Probes Using Calibration Beads and Ice Crystal Analogs: The Depth of Field
(American Meteorological Society, 2007)This paper explains and develops a correction algorithm for measurement of cloud particle size distributions with the Stratton Park Engineering Company, Inc., Cloud Particle Imager (CPI). Cloud particle sizes, when inferred ... -
In Situ Calibration of the SeaBird 9plus CTD Thermometer
(American Meteorological Society, 2007)A Sea-Bird Electronics (SBE 35) deep ocean reference thermometer is used with the SBE 9plus CTD system to calibrate the SBE 3 ocean thermometers of the CTD. The SBE 35 is standardized in water-triple-point and gallium-me ... -
Intercomparison of Integrated Water Vapor Estimates from Multisensors in the Amazonian Region
(American Meteorological Society, 2007)Water vapor is an atmospheric component of major interest in atmospheric science because it affects the energy budget and plays a key role in several atmospheric processes. The Amazonian region is one of the most humid on ... -
An FPGA-Based Doppler Processor for a Spaceborne Precipitation Radar
(American Meteorological Society, 2007)Measurement of precipitation Doppler velocity by spaceborne radar is complicated by the large velocity of the satellite platform. Even if successive pulses are well correlated, the velocity measurement may be biased if the ... -
IAPSO Standard Seawater: Definition of the Uncertainty in the Calibration Procedure, and Stability of Recent Batches
(American Meteorological Society, 2007)Standard seawater (SSW) has been employed by oceanographers as a reference material in the determination of salinity for over a century. In all that time, this is the first study to determine the uncertainty of the SSW ... -
Rainfall-Induced Changes in Actual Surface Backscattering Cross Sections and Effects on Rain-Rate Estimates by Spaceborne Precipitation Radar
(American Meteorological Society, 2007)In this study, the authors used Tropical Rainfall Measuring Mission precipitation radar (TRMM PR) data to investigate changes in the actual (attenuation corrected) surface backscattering cross section (σ0e) due to changes ... -
Comparison of In Situ and Satellite-Derived Sea Surface Temperatures in the Gulf of Carpentaria
(American Meteorological Society, 2007)During 30 days in May and June 2003, the R/V Southern Surveyor was operating in the Gulf of Carpentaria, northern Australia. Measurements of sea surface temperature (SST) were made with an accurate single-channel infrared ... -
Handheld Sun Photometer Measurements from Light Aircraft
(American Meteorological Society, 2007)Handheld sun photometers are typically used to make aerosol optical depth measurements while on the ground. Various investigators, in unrelated efforts, have used handheld sun photometers to make aerosol optical depth ... -
Changes in TRMM Rainfall due to the Orbit Boost Estimated from Buoy Rain Gauge Data
(American Meteorological Society, 2007)During the first three-and-a-half years of the Tropical Rainfall Measuring Mission (TRMM), the TRMM satellite operated at a nominal altitude of 350 km. To reduce drag, save maneuvering fuel, and prolong the mission lifetime, ... -
Effects of Radar Beam Shielding on Rainfall Estimation for the Polarimetric C-Band Radar
(American Meteorological Society, 2007)Radar reflectivity (Zh), differential reflectivity (Zdr), and specific differential phase (Kdp) measured from the operational, polarimetric weather radar located in Trappes, France, were used to examine the effects of radar ... -
A Marine Radar Wind Sensor
(American Meteorological Society, 2007)A new method for retrieving the wind vector from radar-image sequences is presented. This method, called WiRAR, uses a marine X-band radar to analyze the backscatter of the ocean surface in space and time with respect to ... -
Comments on “Effective Radius of Ice Cloud Particle Populations Derived from Aircraft Probes”
(American Meteorological Society, 2007) -
Long-Term Performance of Aanderaa Optodes and Sea-Bird SBE-43 Dissolved-Oxygen Sensors Bottom Mounted at 32 m in Massachusetts Bay
(American Meteorological Society, 2007)A field evaluation of two new dissolved-oxygen sensing technologies, the Aanderaa Instruments AS optode model 3830 and the Sea-Bird Electronics, Inc., model SBE43, was carried out at about 32-m water depth in western ... -
Comments on “Effective Radius of Ice Cloud Particle Populations Derived from Aircraft Probes”
(American Meteorological Society, 2007) -
The Variational Assimilation Method for the Retrieval of Humidity Profiles with the Wind-Profiling Radar
(American Meteorological Society, 2007)Recently, a humidity estimation technique was developed by using the turbulence echo characteristics detected with a wind-profiling radar. This study is concerned with improvement of the retrieval algorithm for delineating ...