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RISParametric Rainfall Retrieval Algorithms for Passive Microwave Radiometers
Publisher: American Meteorological Society
Abstract: A methodology is described to construct fully parametric rainfall retrieval algorithms for a variety of passive microwave sensors that exist today and are planned for the future. The Tropical Rainfall Measuring Mission ...
Effects of TRMM Boost on Oceanic Rainfall Estimates Based on Microwave Emission Brightness Temperature Histograms (METH)
Publisher: American Meteorological Society
Abstract: A physical?statistical algorithm for estimating space?time average oceanic rainfall has been applied to microwave measurements taken by the Special Sensor Microwave Imager (SSM/I) on board the Defense Meteorological Satellite ...
Errors Incurred in Sampling a Cyclostationary Field
Publisher: American Meteorological Society
Abstract: Low earth-orbiting satellites such as the Tropical Rainfall Measuring Mission (TRMM) estimate month-long averages of precipitation (or other fields). A difficulty is that such a satellite sensor returns to the same spot ...
Comparison of Freezing-Level Altitudes from the NCEP Reanalysis with TRMM Precipitation Radar Brightband Data
Publisher: American Meteorological Society
Abstract: A global climatology of the altitude of the freezing level (0°C isotherm) is computed using 20 yr of 6-hourly output from the National Centers for Environmental Prediction (NCEP) reanalysis system. Mean statistics discussed ...
A Summary of Reflectivity Profiles from the First Year of TRMM Radar Data
Publisher: American Meteorological Society
Abstract: A preliminary climatology of reflectivity profiles derived from the first spaceborne precipitation radar (PR), which is on board the Tropical Rainfall Measuring Mission (TRMM) satellite, is described using the data from ...
Impacts of A Priori Databases Using Six WRF Microphysics Schemes on Passive Microwave Rainfall Retrievals
Publisher: American Meteorological Society
Abstract: hysically based rainfall retrievals from passive microwave sensors often make use of cloud-resolving models (CRMs) to build a priori databases of potential rain structures. Each CRM, however, has its own cloud microphysics ...
Constraining Microwave Brightness Temperatures by Radar Brightband Observations
Publisher: American Meteorological Society
Abstract: Multichannel microwave sensors make it possible to construct physically based rainfall retrieval algorithms. In these schemes, errors arising from the inaccuracy of the physical modeling of the cloud system under observation ...
Study on the Method of Traffic Status Change Time on Urban Expressway
Publisher: American Society of Civil Engineers
Abstract: A method of defining traffic status change time on urban expressway was studied. Traffic situation on the expressway was analyzed under two states: congestion and non-congestion. In accordance with the traffic flow parameter ...
Influencing Factor of Hydrodynamic Pressure on Tire in Wet Weather Based on Fluent
Publisher: American Society of Civil Engineers
Abstract: Hydrodynamic pressure is the major cause of vehicle hydroplaning in wet weather. By establishing a finite element model of the tire with longitudinal and transverse pattern, hydrodynamic pressure of the tire under different ...