Results 31 to 40 of about 613,627 (296)

The analog data assimilation [PDF]

open access: yes, 2017
In light of growing interest in data-driven methods for oceanic, atmospheric, and climate sciences, this work focuses on the field of data assimilation and presents the analog data assimilation (AnDA).
Ailliot, Pierre   +4 more
core   +2 more sources

Mitigation of Systematic Noise in F16 SSMIS LAS Channels Observations for Tropical Cyclone Applications

open access: yesRemote Sensing, 2022
The Special Sensor Microwave Imager Sounder (SSMIS) onboard the Defense Meteorological Satellite Program (DMSP) F16, launched on 18 October 2003, was the first conical-scanning radiometer to combine the Special Sensor Microwave/Imagers (SSM/I), Special ...
Huijie Dong, Xiaolei Zou
doaj   +1 more source

Tropical Cyclone Center Positioning Using Single Channel Microwave Satellite Observations of Brightness Temperature

open access: yesRemote Sensing, 2021
Satellite observations of brightness temperature from the Advanced Technology Microwave Sounder (ATMS) and Microwave Humidity Sounder (MHS) humidity sounding channels can provide relatively high horizontal resolution information about cloud and ...
Yanyang Hu, Xiaolei Zou
doaj   +1 more source

Impact Evaluation of Assimilating Surface Sensitive Infrared Radiance Observations over Land and Sea Ice from Observing System Simulation Experiments

open access: yesAdvances in Meteorology, 2015
In this study, Observing System Simulation Experiments (OSSEs) are conducted to analyze the impact of assimilating surface sensitive infrared radiance observations over land and sea ice. This type of assimilation has not yet been successfully implemented
S. K. Dutta, L. Garand, S. Heilliette
doaj   +1 more source

COSMIC-2 RO Profile Ending at PBL Top with Strong Vertical Gradient of Refractivity

open access: yesRemote Sensing, 2022
The Formosa Satellite-7/Constellation Observing System for Meteorology, Ionosphere, and Climate-2 (Satellite-7/COSMIC-2), which was successfully launched on 25 June 2019, provides dense radio occultation (RO) observations over the tropics and subtropics.
Xu Xu, Xiaolei Zou
doaj   +1 more source

Global 3D Features of Error Variances of GPS Radio Occultation and Radiosonde Observations

open access: yesRemote Sensing, 2020
Global Positioning System (GPS) radio occultation (RO) and radiosonde (RS) observations are two major types of observations assimilated in numerical weather prediction (NWP) systems.
Xu Xu, Xiaolei Zou
doaj   +1 more source

On sequential multiscale inversion and data assimilation [PDF]

open access: yes, 2018
Multiscale approaches are very popular for example for solving partial differential equations and in many applied fields dealing with phenomena which take place on different levels of detail.
Nadeem, Aamir   +2 more
core   +1 more source

Stabilized nonconforming finite element methods for data assimilation in incompressible flows [PDF]

open access: yes, 2016
We consider a stabilized nonconforming finite element method for data assimilation in incompressible flow subject to the Stokes' equations. The method uses a primal dual structure that allows for the inclusion of nonstandard data.
Burman, Erik, Hansbo, Peter
core   +2 more sources

Displacement Data Assimilation

open access: yes, 2016
We show that modifying a Bayesian data assimilation scheme by incorporating kinematically-consistent displacement corrections produces a scheme that is demonstrably better at estimating partially observed state vectors in a setting where feature ...
Mariano, Arthur J.   +3 more
core   +1 more source

Development of CO2 Band-Based Cloud Emission and Scattering Indices and Their Applications to FY-3D Hyperspectral Infrared Atmospheric Sounder

open access: yesRemote Sensing, 2020
The Hyperspectral Infrared Atmospheric Sounder (HIRAS) onboard the Feng Yun-3D (FY-3D) satellite is the first Chinese hyperspectral infrared instrument.
Xinlu Xia, Xiaolei Zou
doaj   +1 more source

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