Results 21 to 30 of about 192,399 (251)

Impacts of Aeolus horizontal Line‐Of‐Sight (HLOS) wind assimilation on the Korean integrated model (KIM) forecast system

open access: yesAtmospheric Science Letters, 2023
The Korean Integrated Model (KIM) forecast system, based on a hybrid four‐dimensional ensemble‐variational method, was extended to assimilate Horizontal Line‐Of‐Sight (HLOS) wind observations from the Atmospheric Laser Doppler Instrument (ALADIN) on ...
Sihye Lee   +3 more
doaj   +1 more source

Southern Europe and western Asian marine heatwaves (SEWA-MHWs): a dataset based on macroevents [PDF]

open access: yesEarth System Science Data, 2023
Marine heatwaves (MHWs) induce significant impacts on marine ecosystems. There is a growing need for knowledge about extreme climate events to better inform decision-makers on future climate-related risks.
G. Bonino   +4 more
doaj   +1 more source

On Two Localized Particle Filter Methods for Lorenz 1963 and 1996 Models

open access: yesFrontiers in Applied Mathematics and Statistics, 2022
Nonlinear data assimilation methods like particle filters aim to improve the numerical weather prediction (NWP) in non-Gaussian setting. In this manuscript, two recent versions of particle filters, namely the Localized Adaptive Particle Filter (LAPF) and
Nora Schenk   +5 more
doaj   +1 more source

Scale-dependent background-error covariance localisation [PDF]

open access: yesTellus: Series A, Dynamic Meteorology and Oceanography, 2015
A new approach is presented and evaluated for efficiently applying scale-dependent spatial localisation to ensemble background-error covariances within an ensemble-variational data assimilation system.
Mark Buehner, Anna Shlyaeva
doaj   +1 more source

Data Assimilation in Reduced Modeling [PDF]

open access: yesSIAM/ASA Journal on Uncertainty Quantification, 2017
We consider the problem of optimal recovery of an element $u$ of a Hilbert space $\mathcal{H}$ from $m$ measurements obtained through known linear functionals on $\mathcal{H}$. Problems of this type are well studied \cite{MRW} under an assumption that $u$ belongs to a prescribed model class, e.g. a known compact subset of $\mathcal{H}$.
Binev, Peter   +5 more
openaire   +5 more sources

Data Assimilation [PDF]

open access: yes, 2015
<p>Submitted - <a href="/records/5b3bk-adp93/files/1506.07825.pdf?download=1">1506.07825.pdf</a></p>
Law, Kody   +2 more
openaire   +3 more sources

A High Resolution Reanalysis for the Mediterranean Sea

open access: yesFrontiers in Earth Science, 2021
In order to be able to forecast the weather and estimate future climate changes in the ocean, it is crucial to understand the past and the mechanisms responsible for the ocean variability.
Romain Escudier   +13 more
doaj   +1 more source

Combining FY-3D MWTS-2 with AMSU-A Data for Inter-Decadal Diurnal Correction and Climate Trends of Atmospheric Temperature

open access: yesRemote Sensing, 2021
Microwave temperature sounding observations from polar-orbiting meteorological satellites have been widely used for research on climate trends of atmospheric temperature at different heights around the world.
Xinlu Xia, Xiaolei Zou
doaj   +1 more source

Data Assimilation [PDF]

open access: yes, 2016
Data assimilation is an approach that combines observations and model output, with the objective of improving the latter. This book places data assimilation into the broader context of inverse problems and the theory, methods, and algorithms that are used for their solution.
Asch, Mark   +2 more
openaire   +4 more sources

Alkalinization Scenarios in the Mediterranean Sea for Efficient Removal of Atmospheric CO2 and the Mitigation of Ocean Acidification

open access: yesFrontiers in Climate, 2021
It is now widely recognized that in order to reach the target of limiting global warming to well below 2°C above pre-industrial levels (as the objective of the Paris agreement), cutting the carbon emissions even at an unprecedented pace will not be ...
Momme Butenschön   +4 more
doaj   +1 more source

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