Results 41 to 50 of about 4,244 (217)

Forecast, observation and modelling of a deep stratospheric intrusion event over Europe [PDF]

open access: yes, 2003
A wide range of measurements was carried out in central and southeastern Europe within the framework of the EU-project STACCATO (Influence of Stratosphere-Troposphere Exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity) with ...
A. Delcloo   +22 more
core   +3 more sources

Source regions of some persistent organic pollutants measured in the atmosphere at Birkenes, Norway [PDF]

open access: yesAtmospheric Chemistry and Physics, 2009
A key feature of POPs (Persistent Organic Pollutants) is their potential for long-range atmospheric transport. In order to better understand and predict atmospheric source-receptor relationships of POPs, we have modified an existing Lagrangian transport ...
S. Eckhardt   +4 more
doaj   +1 more source

Establishing Lagrangian connections between observations within air masses crossing the Atlantic during the International Consortium for Atmospheric Research on Transport and Transformation experiment [PDF]

open access: yes, 2006
The ITCT-Lagrangian-2K4 (Intercontinental Transport and Chemical Transformation) experiment was conceived with an aim to quantify the effects of photochemistry and mixing on the transformation of air masses in the free troposphere away from emissions. To
A. C. Lewis   +58 more
core   +4 more sources

Prediction and Source Contribution Analysis of PM2.5 Using a Combined FLEXPART Model and Bayesian Method over the Beijing-Tianjin-Hebei Region in China

open access: yesAtmosphere, 2021
Fine particulate matter (PM2.5) has a serious impact on human health. Forecasting PM2.5 levels and analyzing the pollution sources of PM2.5 are of great significance.
Lifeng Guo   +3 more
semanticscholar   +1 more source

Impact of land surface processes on the simulation of sea breeze circulation and tritium dispersion over the Kaiga complex terrain region near west coast of India using the Weather Research and Forecasting (WRF) model

open access: yesAtmospheric Environment: X, 2022
Kaiga, located on the west coast of Karnataka, India is a complex terrain region with dense forest cover often influenced by land-sea breeze flows during warm summer season.
Arun Aravind   +4 more
doaj   +1 more source

Patterns of CO2 and radiocarbon across high northern latitudes during International Polar Year 2008 [PDF]

open access: yes, 2011
High-resolution in situ CO2 measurements were conducted aboard the NASA DC-8 aircraft during the ARCTAS/POLARCAT field campaign, a component of the wider 2007-2008 International Polar Year activities.
Blake, DR   +14 more
core   +1 more source

Simulation of atmospheric radiocesium (137Cs) from Fukushima nuclear accident using FLEXPART-WRF driven by ERA5 reanalysis data

open access: yesNuclear Science and Technology, 2021
This study investigates short-range atmospheric transport of radiocesium (137Cs) after Fukushima nuclear accident using the Weather Research and Forecasting (WRF) model and the Lagrangian particle dispersion FLEXPART-WRF model.
Kieu Ngoc Dung   +5 more
semanticscholar   +1 more source

A conservative reconstruction scheme for the interpolation of extensive quantities in the Lagrangian particle dispersion model FLEXPART [PDF]

open access: yesGeoscientific Model Development, 2018
Lagrangian particle dispersion models require interpolation of all meteorological input variables to the position in space and time of computational particles.
S. Hittmeir   +3 more
doaj   +1 more source

On the model uncertainties in Bayesian source reconstruction using an ensemble of weather predictions, the emission inverse modelling system FREAR v1.0, and the Lagrangian transport and dispersion model Flexpart v9.0.2

open access: yes, 2021
. Bayesian source reconstruction is a powerful tool for determining atmospheric releases. It can be used, amongst other applications, to identify a point source releasing radioactive particles into the atmosphere.
P. De Meutter, I. Hoffman, K. Ungar
semanticscholar   +1 more source

Differences into HT and HTO concentrations in air into the Western Mediterranean Basin and Continental Europe and Safety Related Issues. [PDF]

open access: yes, 2011
Real time Tritium concentrations in air in two chemical forms, HT and HTO, coming from an ITER-like fusion reactor as source were coupled the European Centre Medium Range Weather Forecast (ECMWF) numerical model with the Lagrangian Atmospheric-particle ...
Ardao, Jose   +4 more
core   +2 more sources

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