Journal of Atmospheric and Oceanic Technology: Recent submissions
Now showing items 661-680 of 5084
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Dependence of Simulation Biases at AHI Surface-Sensitive Channels on Land Surface Emissivity over China
(American Meteorological Society, 2018)AbstractThis study compares the simulation biases of Advanced Himawari Imager (AHI) brightness temperature to observations made at night over China through the use of three land surface emissivity (LSE) datasets. The ... -
Consistency between Sea Surface Reconstructions from Nautical X-Band Radar Doppler and Amplitude Measurements
(American Meteorological Society, 2018)AbstractThis study comprises the analysis and the interpretation of the coherent and the noncoherent parts of a coherent-on-receive microwave radar at grazing incidence conditions. The Doppler measurement is an extension ... -
Drogue-Loss Detection for Surface Drifters during the Lagrangian Submesoscale Experiment (LASER)
(American Meteorological Society, 2018)AbstractThe Lagrangian Submesoscale Experiment (LASER) was designed to study surface flows during winter conditions in the northern Gulf of Mexico. More than 1000 mostly biodegradable drifters were launched. The drifters ... -
A Performance Evaluation of the World Wide Lightning Location Network (WWLLN) over the Tibetan Plateau
(American Meteorological Society, 2018)AbstractA systematic evaluation of the performance of the World Wide Lightning Location Network (WWLLN) over the Tibetan Plateau is conducted using data from the Cloud-to-Ground Lightning Location System (CGLLS) developed ... -
Orientation Analysis of Simulated Tornadic Debris
(American Meteorological Society, 2018)AbstractPolarimetric weather radars are capable of detecting tornadic debris signatures (TDSs), which result from debris being lofted to the level of the radar beam and can be modulated by centrifuging and debris fallout. ... -
A Correction for the Thermal Mass–Induced Errors of CTD Tags Mounted on Marine Mammals
(American Meteorological Society, 2018)AbstractThe effect of thermal mass on the salinity estimate from conductivity?temperature?depth (CTD) tags sensor mounted on marine mammals is documented, and a correction scheme is proposed to mitigate its impact. The ... -
Quantitative Precipitation Estimation with Operational Polarimetric Radar Measurements in Southern China: A Differential Phase–Based Variational Approach
(American Meteorological Society, 2018)AbstractQuantitative precipitation estimation (QPE) with polarimetric radar measurements suffers from different sources of uncertainty. The variational approach appears to be a promising way to optimize the radar QPE ... -
Cloud-Assisted Retrieval of Lower-Stratospheric Water Vapor from Nadir-View Satellite Measurements
(American Meteorological Society, 2018)AbstractThis study examines the feasibility of retrieving lower-stratospheric water vapor using a nadir infrared hyperspectrometer, with the focus on the detectability of small-scale water vapor variability. The feasibility ... -
Variational Analysis of Simulated Ocean Surface Winds from the Cyclone Global Navigation Satellite System (CYGNSS) and Evaluation Using a Regional OSSE
(American Meteorological Society, 2018)AbstractA positive impact of adding directional information to observations from the Cyclone Global Navigation Satellite System (CYNGSS) constellation of microsatellites is observed in simulation using a high-resolution ... -
An Algorithm for Classifying Unknown Expendable Bathythermograph (XBT) Instruments Based on Existing Metadata
(American Meteorological Society, 2018)AbstractTime-varying biases in expendable bathythermograph (XBT) instruments have emerged as a key uncertainty in estimates of historical ocean heat content variability and change. One of the challenges in the development ... -
Calibrating Ground-Based Radars against TRMM and GPM
(American Meteorological Society, 2017)AbstractCalibration error represents a significant source of uncertainty in quantitative applications of ground-based radar (GR) reflectivity data. Correcting it requires knowledge of the true reflectivity at well-defined ... -
Weather-Induced Transport through a Tidal Channel Calibrated by an Unmanned Boat
(American Meteorological Society, 2017)AbstractAn unmanned surface vehicle (USV) was designed and constructed to operate continuously for covering both flood and ebb and preferably a complete tidal cycle (e.g., ~24 h) to measure the vertical profiles of horizontal ... -
How Well Can We Correct Systematic Errors in Historical XBT Data?
(American Meteorological Society, 2018)AbstractBiases have been identified in historical expendable bathythermograph (XBT) datasets, which are one of the major sources of uncertainty in the ocean subsurface database. More than 10 correction schemes were proposed; ... -
Estimates of Surface Waves Using Subsurface EM-APEX Floats under Typhoon Fanapi 2010
(American Meteorological Society, 2018)AbstractSeven subsurface Electromagnetic Autonomous Profiling Explorer (EM-APEX) floats measured the voltage induced by the motional induction of seawater under Typhoon Fanapi in 2010. Measurements were processed to estimate ... -
Performance of the WRF Model for Surface Wind Prediction around Qatar
(American Meteorological Society, 2018)AbstractThe performance of the Weather Research and Forecasting (WRF) Model is examined for the region around Qatar in the context of surface winds. The wind fields around this peninsula can be complicated owing to its ... -
Detection of Intense Ice Precipitation with GPM/DPR
(American Meteorological Society, 2018)AbstractDetection of ice precipitation is one of the objectives in the Global Precipitation Measurement (GPM) mission. The dual-frequency precipitation radar (DPR) can provide precipitation echoes at two different frequencies, ... -
Fusion of Multisensor SSTs Based on the Spatiotemporal Hierarchical Bayesian Model
(American Meteorological Society, 2017)AbstractThis study focuses on merging MODIS-mapped SSTs with 4-km spatial resolution and AMSR-E optimally interpolated SSTs at 25-km resolution. A new data fusion method was developed?the Spatiotemporal Hierarchical Bayesian ... -
Forecasting the Tropical Cyclone Genesis over the Northwest Pacific through Identifying the Causal Factors in Cyclone–Climate Interactions
(American Meteorological Society, 2017)AbstractHow to extract the causal relations in climate?cyclone interactions is an important problem in atmospheric science. Traditionally, the most commonly used research methodology in this field is time-delayed correlation ... -
Adaptive and High-Resolution Estimation of Specific Differential Phase for Polarimetric X-Band Weather Radars
(American Meteorological Society, 2018)ABSTRACTOne of the most beneficial polarimetric variables may be the specific differential phase KDP because of its independence from power attenuation and radar miscalibration. However, conventional KDP estimation requires ... -
Cloud-Base Height Derived from a Ground-Based Infrared Sensor and a Comparison with a Collocated Cloud Radar
(American Meteorological Society, 2018)AbstractAn improved algorithm to calculate cloud-base height (CBH) from infrared temperature sensor (IRT) observations that accompany a microwave radiometer was described, the results of which were compared with the CBHs ...