Dear SPARC community,

Please find below the most recent SPARC eNews.

The SPARC website is updated frequently, so feel free to check for the most recent news items regularly. If you wish to have anything posted in the news section on the website, please don’t hesitate to contact us: office@sparc-climate.org.

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SPARC News – July 2015

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7 July 2015
WCRP/WWRP International Prize for Model Development 2015 – Call for Nominations
Due date for nominations: 1 October 2015
Details on eligibility, required nomination material and selection process can be found at
http://www.wcrp-climate.org/wmac-activities/ipmd2015.

30 June 2015
IGAC/SPARC Chemistry-Climate Model Initiative (CCMI) 2015 Workshop – Call for Abstracts
Deadline for abstract submission and travel requests: 15 July 2015
Deadline for regular abstracts: 31 July 2015
Deadline for registration: 1 September 2015
http://ccmi-workshop.artov.isac.cnr.it/index.php

23 June 2015
AGU Fall Meeting session 8471 entitled “Methodologies and resulting uncertainties in long-term records of ozone and other atmospheric essential climate variables constructed from multiple data sources.”- Call for submissions
Submission deadline: 5 August 2015
https://agu.confex.com/agu/fm15/preliminaryview.cgi/Session8471

15 June 2015

Several CCMI model datasets can now be accessed through the BADC
Find instructions of how to obtain access to the data on the CCMI website.

Find SPARC news at >http://www.aparc-climate.org/news/news/

Find WCRP community news at >http://www.aparc-climate.org/news/wcrp-community-news/

 

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Upcoming SPARC meetings

Find all SPARC meetings at >http://www.aparc-climate.org/meetings/

20-23 July 2015

Composition and Transport in the Tropical Troposphere and Lower Stratosphere Meeting, Boulder CO, USA
Deadline for applications for support: 15 May 2015
Deadline for abstract submission: 22 May 2015
>http://esrl.noaa.gov/csd/events/CT3LS/

24-28 August 2015

SPARC Workshop on Storm Tracks, Grindelwald, Switzerland
Deadline for abstract submission: 15 May 2015
Deadline for travel support application: 15 May 2015
>http://www.aparc-climate.org/meetings/Sparc-grindelwaldworkshop-aug2015/

5-6 October 2015

Workshop on Solving the Mystery of Carbon Tetrachloride, Zurich, Switzerland
Deadline for abstract submission: 27 July 2015
>http://www.aparc-climate.org/news/news/news/2015/02/19/workshop-on-solving-the-mystery-of-carbon-tetrachloride-in-zurich-on-5-6-oct-2015/

7-9 October 2015

IGAC/SPARC Chemistry-Climate Model Initiative (CCMI) 2015 Workshop, Rome, Italy
Deadline for abstract submission and travel requests: 15 July 2015
Deadline for registration: 1 September 2015
>http://ccmi-workshop.artov.isac.cnr.it/index.php

12-16 October 2015

S-RIP 2015 Workshop and SPARC Data Assimilation Workshop, Paris, France

6-8 April 2016
Workshop on Atmospheric Blocking, Reading, UK

16-20 May 2016
Atmospheric Gravity Waves: Sources and effects on weather and climate

 

SPARC-related meetings


Find more related meetings at >http://www.aparc-climate.org/meetings/related-meetings/

7-10 July 2015
Our Common Future under Climate Change, Paris, France
>http://www.commonfuture-paris2015.org

26-31 July 2015
AGU Chapman Conference: The Width of the Tropics: Climate Variations and their Impacts, Santa Fe, NM, USA
>http://chapman.agu.org/tropics/

15-17 September 2015
8^th Atmospheric Limb Workshop, Gothenburg, Sweden
>http://www.chalmers.se/en/conference/limb-workshop-2015/Pages/default.aspx

4-9 October 2015

Training school on Convective and volcanic clouds detection, monitoring, and modelling, Castiglione del Lago, Italy
Deadline for applications: 15 July 2015
>http://www.biondiriccardo.it/training/index.htm

12-16 October 2015
Atmospheric Chemistry and Dynamics Summer School, Jülich, Germany
Deadline for applications: 30 July 2015
http://www.fz-juelich.de/iek/iek-8/EN/Expertise/Education/Summerschool/Summerschool_node.html

13-16 October 2015

International Conference on Water Resources Assessment and Seasonal Prediction, Koblenz, Germany
>http://www.bafg.de/DE/05_Wissen/02_Veranst/2015_10_13.html

20-23 October 2015

WCRP FP7 EMBRACE Workshop on CMIP5 Model Analysis and Scientific Plans for CMIP6, Dubrovnik, Croatia
>http://embracecmip2015.sciencesconf.org/

9-13 November 2015


2^nd Symposium of the Committee on Space Research (COSPAR): Water and Life in the Universe, Foz da Iguacu, Parana, Brazil
Deadline for abstract submission: 31 May 2015
>http://cosparbrazil2015.org

14-18 December 2015
AGU Fall Meeting, San Francisco, CA, USA
http://fallmeeting.agu.org/2015/

2-4 March 2016
Global Climate Observation: The Road to the Future, Amsterdam, Netherlands

5-15 April 2016

Polar Prediction School, Abisko Scientific Research Station, Sweden
Deadline for applications: 20 July 2015
>http://www.climate-cryosphere.org/wcrp/pcpi/meetings/abisko-pp-2016

 


WCRP community meetings


Find more related meetings at >http://www.aparc-climate.org/meetings/wcrp-community-meetings/

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Science update

A selection of new science articles of interest to the SPARC community (a SPARC Office choice)

Discussion Papers – open for comment

• Effect of retreating sea ice on Arctic cloud cover in simulated recent global warming. By M. Abe et al. in Atmospheric Chemistry and Physics Discussions.
• Sensitivity of polar stratospheric cloud formation to changes in water vapour and temperature. By F. Khosrawi et al. in Atmospheric Chemistry and Physics Discussions.
• The contribution of oceanic halocarbons to marine and free troposphere air over the tropical West Pacific. By S. Fuhlbrügge et al. in Atmospheric Chemistry and Physics Discussions.
• Ozonesonde profiles from the West Pacific Warm Pool. By R. Newton et al. in Atmospheric Chemistry and Physics Discussions.
• Trend analysis of the 20 years time series of stratospheric ozone profiles observed by the GROMOS microwave radiometer at Bern. By L. Moreira et al. in Atmospheric Chemistry and Physics Discussions.
• Transport pathways of peroxyacetyl nitrate in the upper troposphere and lower stratosphere from different monsoon systems during the summer monsoon season. By S. Fadnavis et al. in Atmospheric Chemistry and Physics Discussions.
• Oceanic bromine emissions weighted by their ozone depletion potential. By S. Tegtmeier et al. in Atmospheric Chemistry and Physics Discussions.
• Reassessment of MIPAS age of air trends and variability. By F.J. Haenel et al. in Atmospheric Chemistry and Physics Discussions.
• Global HCFC-22 measurements with MIPAS: retrieval, validation, climatologies and trends. By M. Chirkov et al. in Atmospheric Chemistry and Physics Discussions
• The impact of volcanic aerosols on stratospheric ozone and the Northern Hemisphere polar vortex: separating radiative from chemical effects under different climate conditions. By S. Muthers et al. in Atmospheric Chemistry and Physics Discussions.
• Effect of tropical cyclones on the tropical tropopause parameters observed using COSMIC GPS RO data. By S. Ravindra Babu et al. in Atmospheric Chemistry and Physics Discussions.
• Global temperature response to the major volcanic eruptions in multiple reanalysis datasets. By M. Fujiwara et al. in Atmospheric Chemistry and Physics Discussions.

July 2015

• Simulation of Polar Ozone Depletion: An Update. By S. Solomon et al. in the Journal of Geophysical Research: Atmospheres.
• Characteristics of Tropopause-penetrating Convection determined by TRMM and COSMIC GPS radio occultation measurements. By T. Xian and Y. Fu in the Journal of Geophysical Research: Atmospheres.
• Sulfur dioxide (SO₂) from MIPAS in the upper troposphere and lower stratosphere 2002–2012. By M. Höpfner et al. in Atmospheric Chemistry and Physics.
• Simulation of the isotopic composition of stratospheric water vapour – Part 2: Investigation of HDO / H₂O variations. By R. Eichinger et al. in Atmospheric Chemistry and Physics.
• Identifying Robust Transport Features of the Upper Tropical Troposphere. By J.W. Bergman et al. in the Journal of Geophysical Research: Atmospheres.
• Active and widespread halogen chemistry in the tropical and subtropical free troposphere. By S. Wang et al. in Proceedings of the National Academy of Sciences of the United States of America.
• The distribution of precipitation and the spread in tropical upper tropospheric temperature trends in CMIP5/AMIP simulations. By S. Flueglistaler et al. in Geophysical Research Letters.
• GROMOS-C, a novel ground-based microwave radiometer for ozone measurement campaigns. By S. Fernandez et al. in Atmospheric Measurement Techniques.
• Multi-model simulation of CO and HCHO in the Southern Hemisphere: comparison with observations and impact of biogenic emissions. By G. Zeng et al. in Atmospheric Chemistry and Physics.

June 2015

• Contribution of changes in atmospheric circulation patterns to extreme temperature trends. By D.E. Horton et al. in Nature.
• Drivers of the recent tropical expansion in the Southern Hemisphere: Changing SSTs or ozone depletion? By D.W. Waugh et al. in the Journal of Climate.
• A Chemistry-Climate Model Study of Past Changes in the Brewer-Dobson Circulation. By S. Oberländer-Hayn et al. in the Journal of Geophysical Research: Atmospheres.
• Nonlinear response of modelled stratospheric ozone to changes in greenhouse gases and ozone depleting substances in the recent past. By S. Meul et al. in Atmospheric Chemistry and Physics.
• The 11-year solar cycle in current reanalyses: a (non)linear attribution study of the middle atmosphere. By A. Kuchar et al. in Atmospheric Chemistry and Physics.
• The impact of ozone depleting substances on the circulation, temperature and salinity of the Southern Ocean: An attribution study with CESM1(WACCM). By A. Solomon et al. in Geophysical Research Letters.Unusual stratospheric ozone anomalies observed in 22 years of measurements from Lauder, New Zealand. By G. E. Nedoluha et al. in Atmospheric Chemistry and Physics.
• Evaluating the advective Brewer-Dobson circulation in three reanalyses for the period 1979–2012. By M. Abalos et al. in the Journal of Geophysical Research: Atmospheres.
• The role of convective overshooting clouds in tropical stratosphere–troposphere dynamical coupling. By K. Kodera et al. in Atmospheric Chemistry and Physics.
• Lagrangian analysis of microphysical and chemical processes in the Antarctic stratosphere: a case study. By L. Di Liberto et al. in Atmospheric Chemistry and Physics.
• Momentum forcing of the quasi-biennial oscillation by equatorial waves in recent reanalyses. By Y.-H. Kim and H.-Y. Chun in Atmospheric Chemistry and Physics. The impact of overshooting deep convection on local transport and mixing in the tropical upper troposphere/lower stratosphere (UTLS). By W. Frey et al. in Atmospheric Chemistry and Physics.
• An evaluation of ozone dry deposition in global scale chemistry climate models. By C. Hardacre et al. in Atmospheric Chemistry and Physics.
• Processes controlling tropical tropopause temperature and stratospheric water vapor in climate models. By S.C. Hardiman et al. in the Journal of Climate.
• Impacts of 20^th century aerosol emissions on the South Asian monsoon in the CMIP5 models. By L. Guo et al. in Atmospheric Chemistry and Physics.
• Subtropical and mid-latitude ozone trends in the stratosphere: implications for recovery. By P.J. Nair et al. in the Journal of Geophysical Research: Atmospheres.
• Tug of war on summertime circulation between radiative forcing and sea surface warming. By T.A. Shaw and A. Voigt in Nature Geoscience.
• Climate Symposium 2014 – Findings and Recommendations. By G. Asrar et al. in the Bulletin of the American Meteorological Society.
• Evaluation of updated nitric acid chemistry on ozone precursors and radiative effects. By K.M. Seltzer et al. in Atmospheric Chemistry and Physics.
• Interannual variability of the Madden-Julian Oscillation and its impact on the North Atlantic Oscillation in the boreal winter. By H. Lin et al. in Geophysical Research Letters.
• Black Carbon Aerosols Induced Northern Hemisphere Tropical Expansion. By M. Kovilakam and S. Mahajan in Geophysical Research Letters.
• The role of blocking in the summer 2014 collapse of Etesians over the eastern Mediterranean. By E. Tyrlis et al. in the Journal of Geophysical Research: Atmospheres.
• Gravity wave propagation through a vertically and horizontally inhomogeneous background wind. By C.J. Heale and J.B. Snively in the Journal of Geophysical Research: Atmospheres.
• The effect of ozone depletion on the Southern Annular Mode and stratosphere-troposphere coupling. By F. Dennison et al. in the Journal of Geophysical Research: Atmospheres.
• Stratospheric sulfate aerosol injections cannot preserve the West Antarctic Ice Sheet. By K.E. McCusker et al. in Geophysical Research Letters.

May 2015

• Quantifying the role of internal climate variability in future climate trends. By D.W.J Thompson et al. in the Journal of Climate.
• Quantifying contributions to the recent temperature variability in the tropical tropopause layer. By W. Wang et al. in Atmospheric Chemistry and Physics.
• Wind extraction potential from ensemble Kalman filter assimilation of stratospheric ozone using a global shallow water model. By D.R. Allen et al. in Atmospheric Chemistry and Physics.
• Polar-lower latitude linkages and their role in weather and climate prediction. By T. Jung et al. in the Bulletin of the American Meteorological Society.
• Drivers of the tropospheric ozone budget throughout the 21st century under the medium-high climate scenario RCP 6.0. By L.E. Revell et al. in Atmospheric Chemistry and Physics.
• Data assimilation in atmospheric chemistry models: current status and future prospects for coupled chemistry meteorology models. By M. Bocquet et al. in Atmospheric Chemistry and Physics.
• Stratospheric influence on tropospheric jet streams, storm tracks, and surface weather. By J. Kidston et al. in Nature Geoscience.
• Polar processing in a split vortex: Arctic ozone loss in early winter 2012/2013. By G.L. Manney et al. in Atmospheric Chemistry and Physics.
• Big grains go far: understanding the discrepancy between tephrochronology and satellite infrared measurements of volcanic ash. By J.A. Stevenson et al. in Atmospheric Measurement Techniques.
• Sensitivity of Tropical Tropospheric Composition to Lightning NO_x Production as Determined by the NASA GEOS-Replay Model. By C.E. Liaskos et al. in the Journal of Geophysical Research: Atmospheres.
• Aircraft measurements of BrO, IO, glyoxal, NO₂, H₂O, O₂–O₂ and aerosol extinction profiles in the tropics: comparison with aircraft-/ship-based in situ and lidar measurements. By R. Volkamer et al. in Atmospheric Measurement Techniques.
• Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2. By A. Keppens et al. in Atmospheric Measurement Techniques.
• The Melting Arctic and Mid-latitude Weather Patterns: Are They Connected? By J. Overland et al. in the Journal of Climate.
• TTL cooling and drying during the January 2013 Stratospheric Sudden Warming. By S. Evan et al. in the Quarterly Journal of the Royal Meteorological Society.
• Evaluation of a regional air quality model using satellite column NO₂: treatment of observation errors and model boundary conditions and emissions. By R.J. Pope et al. in Atmospheric Chemistry and Physics.
• A hiatus in the stratosphere? By A.J. Ferraro et al. in Nature Climate Change.
• Quasi-biennial oscillation of the tropical stratospheric aerosol layer. By R. Hommel et al. in Atmospheric Chemistry and Physics.
• Interhemispheric transit-time distributions and path-dependent lifetimes constrained by measurements of SF₆, CFCs, and CFC replacements. By M. Holzer and D.W. Waugh in Geophysical Research Letters.
• Revising the slant-column density retrieval of nitrogen dioxide observed by the Ozone Monitoring Instrument. By S. Marchenko et al. in the Journal of Geophysical Research: Atmospheres.
• Effect of Recent Sea Surface Temperature Trends on the Arctic Stratospheric Vortex. By C.I. Garfinkel et al. in the Journal of Geophysical Research: Atmospheres.
• Growth in stratospheric chlorine from short-lived chemicals not controlled by the Montreal Protocol. By R. Hossaini et al. in Geophysical Research Letters.
• Characterization of thermal structure and conditions for overshooting of tropical and extratropical cyclones with GPS radio occultation. By R. Biondi et al. in Atmospheric Chemistry and Physics.
• Impact of stratospheric major warmings and the quasi-biennial oscillation on the variability of stratospheric water vapor. By M. Tao et al in the Journal of Geophysical Research: Atmospheres.
• Data assimilation of satellite-retrieved ozone, carbon monoxide and nitrogen dioxide with ECMWF’s Composition-IFS. By A. Inness et al. in Atmospheric Chemistry and Physics.
• The onset of the barotropic sudden warming in a global model. By Y.S. Liu and R.K. Scott in the Quarterly Journal of the Royal Meteorological Society.
• Measuring and modeling the lifetime of Nitrous Oxide including its variability. By M.J. Prather et al. in the Journal of Geophysical Research: Atmospheres.
• Temperature Variation over East Asia during the lifecycle of weak stratospheric polar vortex. By S.-H. Woo et al. in the Journal of Climate.
• Modulation of Antarctic vortex composition by the Quasi-Biennial Oscillation. By S.E. Strahan et al. in Geophysical Research Letters.
• Observations of planetary waves in the mesosphere-lower thermosphere during stratospheric warming events. By N.H. Stray et al. in Atmospheric Chemistry and Physics.
• Air-Mass Origin in the Tropical Lower Stratosphere: The Influence of Asian Boundary Layer Air. By C. Orbe et al. in Geophysical Research Letters.
• Using self-organising maps to explore ozone profile validation results – SCIAMACHY limb compared to ground-based lidar observations. By J.A.E. van Gijsel et al. in Atmospheric Measurement Techniques.
• Signatures of the 2-day wave and sudden stratospheric warmings in Arctic water vapour observed by ground-based microwave radiometry. By B. Tschanz and N. Kämpfer in Atmospheric Chemistry and Physics.
• An adaptive covariance relaxation method for ensemble data assimilation. By Y. Ying and F. Zhang in the Quarterly Journal of the Royal Meteorological Society.
• Influence of isoprene chemical mechanism on modelled changes in tropospheric ozone due to climate and land use over the 21^st century. By O.J. Squire et al. in Atmospheric Chemistry and Physics.

Find older Science Updates at >http://www.aparc-climate.org/news/

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For feedback or input to the next eNews edition please contact:
office@sparc-climate.org



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