Abstract: The absolute calibration of the backscatter signal of a scatterometer is essential for the retrieval of optimum-quality geophysical products. The European Space Agency targeted a specification of 0.2 dB for the accuracy ...

Abstract: The geophysical interpretation of the radar measurements from the ERS-1 scatterometer, called σ0, is considered. An important tool in the interpretation of the data is the visualization of the triplets of radar backscatter ...

Abstract: n this paper the beneficial impacts of high-resolution (in space and time) wind and temperature observations from aircraft on very short-range numerical weather forecasting are presented. The observations are retrieved ...

Abstract: A database for study of the impact of Doppler wind lidar data on numerical weather prediction in Observation System Simulation Experiments was created. Five Doppler wind lidar scenarios, TIROS Operational Vertical Sounder, ...

Abstract: uality control (QC) is among the most important steps in any data processing. These steps are elaborated for high-vertical-resolution radiosonde datasets that were gathered and analyzed to study atmospheric winds. The ...

Abstract: This paper deals with the dynamical aspect of variational data assimilation in the tropics and the role of the background-error covariances in the observing system simulation experiments for the tropics. The study uses a ...

Abstract: A two-dimensional variational ambiguity removal technique (2DVAR) is presented. It first makes an analysis based on the ambiguous scatterometer wind vector solutions and a model forecast, and next selects the ambiguity ...

Abstract: The prime aim of the Atmospheric Dynamics Mission is to demonstrate measurements of vertical wind profiles from space. Extensive studies conducted by the European Space Agency over the past 15 years have culminated in the ...