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Real-time Environmental Applications and Display sYstem: READY

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TLDR
Read as discussed by the authors is a web-based suite of tools for producing air parcel trajectory and dispersion model results and displaying meteorological data, and it provides a "quasi-operational" portal to run the HYSPLIT atmospheric transport/dispersion model and interpret its results.
Abstract
Air quality forecasters, emergency responders, aviation interests, government agencies, and the atmospheric research community are among those who require access to tools to analyze and predict the transport and dispersion of pollutants in the atmosphere. Because of this need, the unique web-based Real-time Environmental Applications and Display sYstem (READY) has been under continuous development since 1997 to provide access to a suite of tools for producing air parcel trajectory and dispersion model results and displaying meteorological data. READY provides a “quasi-operational” portal to run the HYSPLIT atmospheric transport and dispersion model and interpret its results. Typical user applications include modeling the release of hazardous pollutants and volcanic ash, forest fire and prescribed burn smoke forecasting, poor air quality events, and various climatological studies. In addition, READY provides the user with quick access to meteorological data interpolated to the location of interest, helping in the interpretation of the HYSPLIT model results.

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Citations
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Journal ArticleDOI

Dust mass, cloud condensation nuclei, and ice-nucleating particle profiling with polarization lidar: updated POLIPHON conversion factors from global AERONET analysis

TL;DR: In this paper, the authors present an extended set of dust conversion factors considering all relevant deserts around the globe and apply the new conversion factor set to a dust measurement with polarization lidar in Dushanbe, Tajikistan, in central Asia.
Journal ArticleDOI

African dust and air quality over Spain: Is it only dust that matters?

TL;DR: Investigation of African dust outbreaks to ambient regional background PM10 and PM2.5 levels over Spain and changes induced in the PMx composition over NE Spain in 2009-2016 provide evidence that PM increases during ADOs are caused not only by the mineral dust load, but by an increased accumulation of locally emitted or co-transported anthropogenic pollutants as compared with non-ADO days.
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Characterization of isoprene-derived secondary organic aerosols at a rural site in North China Plain with implications for anthropogenic pollution effects.

TL;DR: It is suggested that isoprene oxidation is highly influenced by intensive anthropogenic activities in the North China Plain (NCP) and diurnal variation and correlation of 2-methyltetrols with ozone suggested an important effect ofIsoprene ozonolysis on SOAi formation.
References
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Journal ArticleDOI

The NCEP/NCAR 40-Year Reanalysis Project

TL;DR: The NCEP/NCAR 40-yr reanalysis uses a frozen state-of-the-art global data assimilation system and a database as complete as possible, except that the horizontal resolution is T62 (about 210 km) as discussed by the authors.
Journal ArticleDOI

NOAA’s HYSPLIT Atmospheric Transport and Dispersion Modeling System

TL;DR: The Hybrid Single Particle Lagrangian Integrated Trajectory model (HYSPLIT) as mentioned in this paper is one of the most widely used models for atmospheric trajectory and dispersion calculations.

An Overview of the HYSPLIT_4 Modelling System for Trajectories, Dispersion, and Deposition

TL;DR: The HYSPLIT_4 (HYbrid Single-Particle Lagrangian Integrated Trajectory) model is designed for quick response to atmospheric emergencies, diagnostic case studies, or climatological analyses using previously gridded meteorological data.
Journal ArticleDOI

Trajectory optimization for balloon flight planning

TL;DR: In this paper, the authors used a transpacific balloon flight as a test case to evaluate multiple trajectory techniques to select different pathways based upon potential variations in balloon altitudes, which can be used to select optimum flight altitudes based upon forecast meteorological fields.
Journal ArticleDOI

Estimating vertical diffusion from routine meteorological tower measurements

TL;DR: In this article, data from an instrumented meteorological tower is used to calculate vertical dispersion coefficients and vertical diffusivities using surface layer concepts, which is similar to that at many power plant sites and only a temperature gradient and wind speed are required for the calculations.
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