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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Journal ArticleDOI
Dust mass, cloud condensation nuclei, and ice-nucleating particle profiling with polarization lidar: updated POLIPHON conversion factors from global AERONET analysis
Albert Ansmann,Rodanthi-Elisavet Mamouri,Julian Hofer,Holger Baars,Dietrich Althausen,Sabur F. Abdullaev +5 more
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?
Xavier Querol,Noemí Pérez,Cristina Reche,Marina Ealo,Anna Ripoll,J. Tur,Marco Pandolfi,Jorge Pey,P. Salvador,Teresa Moreno,Andrés Alastuey +10 more
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.
Journal ArticleDOI
Global Measurements of Brown Carbon and Estimated Direct Radiative Effects
Linghan Zeng,Aoxing Zhang,Yuhang Wang,Nicholas L. Wagner,Nicholas L. Wagner,Joseph M. Katich,Joseph M. Katich,Joshua P. Schwarz,Gregory P. Schill,Gregory P. Schill,Charles A. Brock,Karl D. Froyd,Karl D. Froyd,Daniel M. Murphy,Christina Williamson,Christina Williamson,A. Kupc,A. Kupc,Eric Scheuer,Jack E. Dibb,Rodney J. Weber +20 more
TL;DR: It is found that globally, BrC was highly spatially heterogeneous, mostly detected in air masses that had been transported from regions of extensive biomass burning, indicating that BrC from biomass burning is an important component of the global radiative balance.
Journal ArticleDOI
Smoke of extreme Australian bushfires observed in the stratosphere over Punta Arenas, Chile, in January 2020: optical thickness, lidar ratios, and depolarization ratios at 355 and 532 nm
Kevin Ohneiser,Albert Ansmann,Holger Baars,Patric Seifert,Boris Barja,Cristofer Jimenez,Martin Radenz,Audrey Teisseire,Athina Avgousta Floutsi,Moritz Haarig,Andreas Foth,Alexandra Chudnovsky,Ronny Engelmann,Felix Zamorano,Johannes Bühl,Ulla Wandinger +15 more
TL;DR: In this paper, the authors presented particle optical properties of stratospheric smoke layers observed with multiwavelength polarization Raman lidar over Punta Arenas (53.2 ∘ ǫS, 70.9 ∘ W), Chile, at the southernmost tip of South America in January 2019.
Journal ArticleDOI
Characterization of isoprene-derived secondary organic aerosols at a rural site in North China Plain with implications for anthropogenic pollution effects.
Jianjun Li,Gehui Wang,Can Wu,Cong Cao,Yanqin Ren,Jiayuan Wang,Jin Li,Junji Cao,Limin Zeng,Tong Zhu +9 more
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
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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