We demonstrate that the global fields of temperature, humidity, and geopotential heights admit a nearly sparse representation in the wavelet domain, offering a viable path forward to explore new paradigms of sparsity-promoting data assimilation and compressive recovery of land surface-atmospheric states from space. We illustrate this idea using retrieval products of the Atmospheric Infrared Sou...

The Lense-Thirring effect is currently being measured by means of a combination of the orbital residuals of the nodes of LAGEOS and LAGEOS II and the perigee of LAGEOS II. The total error is of the order of 20%. The most insidious systematic error is due to the mismodelled even zonal harmonics of the geopotential and amounts to 12.9%, according to EGM96 model. The role and the importance of the...

The Southern Annular Mode (SAM, also known as the Antarctic Oscillation—AAO) explains most of climate variability in Hemisphere. A ring pattern mean sea level pressure (MSLP) or 500 hPa geopotential height around Antarctica characterizes SAM. Differences MSLP values between SH mid and high latitudes define positive negative SAM phases with impacts on atmospheric circulation. Thus, investigating...

The determination of a model of the earth’s gravitational potential from satellite observations is an illposed problem in the sense that a small change in the data may result in a large change in the solution. A stable solution is obtained by adding a priori information to the system of normal equations. One way to describe the quality of the solution is to assess how much the observations cont...

Impacts of sudden stratospheric warming (SSW) on three severe cold events (C1–C3) over Northern Hemisphere in early 2021 were investigated using subseasonal-to-seasonal ensemble forecasts. The SSW was characterized by successive displacement and split the polar vortex (SPV). Ensemble-based sensitivity analyses showed that C1 Siberia C2 western Canada more related to SPV variations at a lead tim...

The paper analyzes the influence of atmospheric circulation on cloudiness and cloud types during July August 2016 in Petuniabukta Svalbard-Lufthavn. For meteorological parameters, basic statistical measures were calculated average diurnal patterns analyzed. Taking data from reanalysis (NCEP/NCAR-The National Centers for Atmospheric Prediction/The Center Research) regarding mean sea-level pressu...

In the first attempt to configure Fengyun-3B satellite’s Microwave Radiation Imager (MWRI) radiance data in Weather Research Forecast (WRF) model’s Data Assimilation system (WRFDA), impact of MWRI assimilation on analysis and forecast Typhoon Son-Tinh 2012 was evaluated with WRFDA’s three-dimensional variational (3DVAR) data-assimilation scheme. Compared a benchmark experiment no data, assimila...

Applications of optical clocks in physical geodesy for determining geopotential are increasing interest to scientists as the accuracy improves and clock size becomes more compact. In this study, we propose a data processing method using ensemble empirical mode decomposition technique determine difference between two sites Wuhan based on frequency comparison clocks. We use record Ca+ fiber trans...