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.read more
Citations
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Snapshots of wintertime urban aerosol characteristics: Local sources emphasized in ultrafine particle number and lung deposited surface area
TL;DR: In this article , a characterization of urban wintertime aerosol was done in three environments: a detached housing area with residential wood combustion, traffic-influenced streets in a city centre and near an airport.
Journal ArticleDOI
Variation of ambient air pollutants concentration over Lucknow city, trajectories and dispersion analysis using HYSPLIT4.0
TL;DR: In this article , the analysis of daily average concentrations of respirable suspended particulate matter (RSPM- PM10), sulfur dioxide (SO2), and nitrogen dioxide (NO2) at seven monitoring stations namely, Hazratganj, Talkatora, Mahanagar, Aliganj, Sarai Mali Khan, Gomtinagar, and Ansal TC in Lucknow city from 2016 to 2020.
Journal ArticleDOI
Analysis of Chemical Components of Fine Particulate Matter Observed at Fukuoka, Japan, in Spring 2020 and Their Transport Paths
Ayako Yoshino,Akinori Takami,Atsushi Shimizu,Kei Sato,Kazuichi Hayakawa,Ning Tang,Kim Oanh Pham,Akinori Hara,Hiroyuki Nakamura,Hiroshi Odajima +9 more
TL;DR: In this article , the authors analyzed the factors that led to the high concentrations of each chemical component in PM2.5 during their observations in Fukuoka, Japan in spring 2020.
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Molecular Characterization of Organosulfate-Dominated Aerosols over Agricultural Fields from the Southern Great Plains by High-Resolution Mass Spectrometry
Gregory W. Vandergrift,Abu Sayeed Shawon,Darielle N. Dexheimer,Maria A. Zawadowicz,Fan Mei,Swarup China +5 more
TL;DR: The molecular composition of organic aerosols, especially for day/nighttime variations of organosulfates above agricultural fields, is not well understood despite profound impacts on regional climate, crop production, air quality, and human health as mentioned in this paper .
References
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Journal ArticleDOI
The NCEP/NCAR 40-Year Reanalysis Project
Eugenia Kalnay,Masao Kanamitsu,Robert Kistler,William D. Collins,D.G. Deaven,L. S. Gandin,M. Iredell,Suranjana Saha,Glenn H. White,John S. Woollen,Yuejian Zhu,Muthuvel Chelliah,Wesley Ebisuzaki,Wayne Higgins,John E. Janowiak,Kingtse C. Mo,Chester F. Ropelewski,Julian X. L. Wang,Ants Leetmaa,Richard W. Reynolds,Roy L. Jenne,Dennis Joseph +21 more
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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