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RISInvestigation of Clear Air Convective Structures in the PBL Using a Dual Doppler Radar and a Doppler Sodar
Publisher: American Meteorological Society
Abstract: In August 1979, the Dual Doppler Radar (Ronsard System) and the Doppler Sodar system of CNET were simultaneously used during an experiment on clear air convection. It provided the opportunity to develop a method for the ...
Determination of a Microwave Radiometer Antenna Pointing Using Infrared Coincident Data
Publisher: American Meteorological Society
Abstract: The ERS-1 microwave radiometer is dedicated to the correction of the wet tropospheric path delay of the altimeter signal. The accurate location of the microwave footprints is needed because (i) the derived correction must ...
Comparison between Nimbus-7 SMMR and ECMWF Model Analyses: The Problem of the Surface Latent Heat Flux
Publisher: American Meteorological Society
Abstract: Nimbus-7 SMMR data of sea surface temperature, surface wind and precipitable water are compared to the ECMWF model daily analyzes for the first Special Observing Period of the FGGE Period (January-February 1979). The ...
Assimilation of Satellite Precipitable Water in a Meteorological Forecast Model
Publisher: American Meteorological Society
Abstract: The lack of local humidity observations over a large portion of the globe hinders any improvement of humidity forecasting in meteorological models. However, satellite microwave radiometers routinely provide fields of ...
A Simple Method for Testing Brightness Temperatures from Satellite Microwave Radiometers
Publisher: American Meteorological Society
Abstract: A method is proposed for testing microwave measurements from spaceborne sensors by computing collocated simulated brightness temperatures from the ECMWF numerical weather meteorological model using an atmospheric radiative ...
Observation of the Circulation in the Newfoundland Basin in Winter 1997
Publisher: American Meteorological Society
Abstract: A hydrographic survey was performed in January?February 1997 to document the winter circulation of the North Atlantic Current system in the Newfoundland Basin, as part of the Fronts and Atlantic Storm Tracks Ex-periment ...
First Three Years of the Microwave Radiometer aboard Envisat: In-Flight Calibration, Processing, and Validation of the Geophysical Products
Publisher: American Meteorological Society
Abstract: The Envisat microwave radiometer is designed to correct the satellite altimeter data for the excess path delay resulting from tropospheric humidity. Neural networks have been used to formulate the inversion algorithm to ...
A New Shipborne Microwave Refractometer for Estimating the Evaporation Flux at the Sea Surface
Publisher: American Meteorological Society
Abstract: After a brief description of humidity measurement and a short presentation of methods of microwave refractometry for evaporation flux, a new X-band refractometer system is presented. Based on a new design and a new material ...
Toward a Better Determination of Turbulent Air–Sea Fluxes from Several Experiments
Publisher: American Meteorological Society
Abstract: An accurate determination of turbulent exchanges between the ocean and the atmosphere is a prerequisite to identify and assess the mechanisms of interaction that control part of the variability in the two media over a wide ...
Cirene: Air–Sea Interactions in the Seychelles–Chagos Thermocline Ridge Region
Publisher: American Meteorological Society
Abstract: The Vasco?Cirene program explores how strong air?sea interactions promoted by the shallow thermocline and high sea surface temperature in the Seychelles?Chagos thermocline ridge results in marked variability at synoptic, ...