Journal ArticleDOI
Trends, seasonal variability and dominant NOx source derived from a ten year record of NO2 measured from space
Henk Eskes,K. F. Boersma,T. P. C. van Noije,M. Van Roozendael,I. De Smedt,D. H. M. U. Peters,D. H. M. U. Peters,E. W. Meijer +7 more
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TLDR
In this article, the authors derived trends and seasonal variability of tropospheric nitrogen dioxide (NO2) from radiances measured with the satellite instruments GOME (Global Ozone Monitoring Experiment) and SCIAMACHY (SCanning Imaging Absorption spectroMeter for Atmospheric CartograpHY).Abstract:
[1] For the period 1996–2006, global distributions of tropospheric nitrogen dioxide (NO2) have been derived from radiances measured with the satellite instruments GOME (Global Ozone Monitoring Experiment) and SCIAMACHY (SCanning Imaging Absorption spectroMeter for Atmospheric CartograpHY). A statistical analysis is applied to derive trends and seasonal variability for this period on a global scale. The time series of the monthly NO2 columns for these ten years have been fitted with a linear function superposed on an annual seasonal cycle on a grid with a spatial resolution of 1 by 1 .W e see significant reductions (up to 7% per year) in NO2 in Europe and parts of the eastern United States, and a strong increase in Asia, most particularly in China (up to 29% per year) but also in Iran and Russia. By comparing the data with the cloud information derived from the same satellite observations, the contribution of lightning to the total column of NO2 is estimated. The estimated NO2 from lightning is, especially in the tropics, in good agreement with lightning flash rate observations from space. The satellite observed seasonal variability of NO2 generally correlates well with independent observations and estimates of the seasonal cycle of specific NOx sources. Source categories considered are anthropogenic (fossil fuel and biofuel), biomass burning, soil emissions and lightning. Using the characteristics of the seasonal variability of these source categories, the dominant source of NOx emissions has been identified on a global scale and on a 1 by 1 grid.read more
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Journal ArticleDOI
Asian emissions in 2006 for the NASA INTEX-B mission
Qiang Zhang,Qiang Zhang,David G. Streets,Greg Carmichael,Kebin He,Hong Huo,Akiyoshi Kannari,Zbigniew Klimont,I. S. Park,S. Reddy,Joshua S. Fu,D. Chen,Lei Duan,Y. Lei,Litao Wang,Z. L. Yao +15 more
TL;DR: In this article, a new inventory of air pollutant emissions in Asia in the year 2006 is developed to support the Intercontinental Chemical Transport Experiment-Phase B (INTEX-B) funded by the National Aeronautics and Space Administration (NASA).
Journal ArticleDOI
Aura OMI observations of regional SO2 and NO2 pollution changes from 2005 to 2015
Nickolay A. Krotkov,Chris A. McLinden,Can Li,Lok N. Lamsal,Edward A. Celarier,Sergey Marchenko,William H. Swartz,Eric Bucsela,Joanna Joiner,Bryan N. Duncan,K. Folkert Boersma,K. Folkert Boersma,J. Pepijn Veefkind,Pieternel F. Levelt,Vitali Fioletov,Russell R. Dickerson,Hao He,Zifeng Lu,David G. Streets +18 more
TL;DR: The Ozone Monitoring Instrument (OMI) onboard NASA's Aura satellite has been providing global observations of the ozone layer and key atmospheric pollutant gases, such as nitrogen dioxide (NO2) and sulfur dioxide (SO2), since October 2004 as mentioned in this paper.
Journal ArticleDOI
An improved tropospheric NO 2 column retrieval algorithm for the Ozone Monitoring Instrument
K. F. Boersma,K. F. Boersma,Henk Eskes,R. Dirksen,J. P. Veefkind,Piet Stammes,Vincent Huijnen,Quintus Kleipool,Maarten Sneep,J. Claas,J. Leitao,Andreas Richter,Yipin Zhou,D. Brunner +13 more
TL;DR: In this paper, an improved version of the DOMINO algorithm, DOMINO v2.0, was proposed for OMI based on better air mass factors (AMFs) and a correction for across-track stripes resulting from calibration errors in the OMI backscattered reflectances.
Journal ArticleDOI
Satellite remote sensing of surface air quality
TL;DR: In this paper, the authors reviewed the capabilities of satellite remote sensing of these species in the boundary layer, along with physical processes affecting their accuracy and precision, and discussed applications of satellite observations for case studies of specific events, for estimates of surface concentrations, and to improve emission inventories of trace gases and aerosols.
Journal ArticleDOI
Increasing springtime ozone mixing ratios in the free troposphere over western North America
Owen R. Cooper,Owen R. Cooper,D. D. Parrish,Andreas Stohl,Michael Trainer,Philippe Nédélec,Valérie Thouret,Jean-Pierre Cammas,Samuel J. Oltmans,Beverly J. Johnson,David W. Tarasick,Thierry Leblanc,I. S. McDermid,Daniel A. Jaffe,Ru-Shan Gao,Jeffrey L. Stith,T. B. Ryerson,Kenneth C. Aikin,Kenneth C. Aikin,Teresa Campos,Andrew J. Weinheimer,Melody A. Avery +21 more
TL;DR: The result agrees with previous modelling studies, which indicate that global ozone concentrations should be increasing during the early part of the twenty-first century as a result of increasing precursor emissions, especially at northern mid-latitudes, with western North America being particularly sensitive to rising Asian emissions.
References
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Journal ArticleDOI
Emission of trace gases and aerosols from biomass burning
Meinrat O. Andreae,P. Merlet +1 more
TL;DR: In this article, the authors present a set of emission factors for a large variety of species emitted from biomass fires, where data were not available, they have proposed estimates based on appropriate extrapolation techniques.
Journal ArticleDOI
Interannual variability in global biomass burning emissions from 1997 to 2004
G. R. van der Werf,James T. Randerson,Louis Giglio,G. J. Collatz,Prasad S. Kasibhatla,Avelino F. Arellano,Avelino F. Arellano +6 more
TL;DR: In this paper, the authors investigated fire emissions during the 8 year period from 1997 to 2004 using satellite data and the CASA biogeochemical model, and found that on average approximately 58 Pg C year −1 was fixed by plants as NPP, and approximately 95% of this was returned back to the atmosphere via R h.
Journal ArticleDOI
Increase in tropospheric nitrogen dioxide over China observed from space
TL;DR: There are substantial reductions in nitrogen dioxide concentrations over some areas of Europe and the USA, but a highly significant increase of about 50 per cent—with an accelerating trend in annual growth rate—over the industrial areas of China, more than recent bottom-up inventories suggest.
Journal ArticleDOI
Multimodel ensemble simulations of present-day and near-future tropospheric ozone
David Stevenson,Frank Dentener,Martin G. Schultz,K. Ellingsen,T. P. C. van Noije,Oliver Wild,Guang Zeng,Markus Amann,C. S. Atherton,N. Bell,Dan Bergmann,Isabelle Bey,Tim Butler,Janusz Cofala,William J. Collins,Richard G. Derwent,Ruth M. Doherty,J. Drevet,Henk Eskes,Arlene M. Fiore,M. Gauss,Didier Hauglustaine,Larry W. Horowitz,Ivar S. A. Isaksen,Maarten Krol,Jean-Francois Lamarque,Mark Lawrence,V. Montanaro,Jean-François Müller,Giovanni Pitari,Michael J. Prather,John A. Pyle,Sebastian Rast,Jose M. Rodriguez,Jose M. Rodriguez,Michael G. Sanderson,Nicholas Savage,Drew Shindell,S. E. Strahan,Kengo Sudo,Sophie Szopa +40 more
TL;DR: In this article, an ensemble of 26 state-of-the-art atmospheric chemistry models have been compared and synthesized as part of a wider study into both the air quality and climate roles of ozone.
Journal ArticleDOI
Global frequency and distribution of lightning as observed from space by the Optical Transient Detector
Hugh J. Christian,Richard J. Blakeslee,Dennis J. Boccippio,William L. Boeck,Dennis E. Buechler,Kevin T. Driscoll,Steven J. Goodman,John Hall,William J. Koshak,Douglas M. Mach,M. F. Stewart +10 more
TL;DR: In this article, the authors used the OTD measurements to construct lightning climatology maps that demonstrate the geographical and seasonal distribution of lightning activity for the globe, and found that lightning occurs mainly over land areas, with an average land/ocean ratio of 10:1.