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 – September 2015
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30 August 2015
Call for community input to the SPARC capacity development strategy
The SPARC capacity development strategy is currently being developed and open for input and feedback. To open the working document you need the following password: sparc_cd. Please send your input to the SPARC office: office@sparc-climate.org.

24 August 2015
New website on how to get involved in SPARC
Looking for ways to get more involved in SPARC? A new website lists ways to get involved and resources for the SPARC community, including information on travel support and a regional service in Boulder, CO, USA.

20 August 2015
SPARC Office publication prepared for the Swiss Federal Office for the Environment
The fact sheet prepared by the SPARC Office on the “Impact of the changing climate on the ozone layer” is available in German and French.

30 July 2015
EOS publication on Future Directions for the World Climate Research Programme
Guy Brasseur, Chair of the World Climate Research Programme (WCRP) Joint Scientific Committee, and David Carlson, Director of WCRP’s Joint Planning Staff, say in a recent EOS publication: “The worldwide climate research community has talent, dedication, and a clear sense of knowledge gaps. It needs to close those gaps and convey its messages effectively to user communities”.

29 July 2015
WCRP/WWRP International Prize for Model Development 2015 – Call for Nominations
In recognition of the essential role model development plays to weather and climate science, the WCRP and WWRP are seeking nominations for the “WCRP/WWRP International Prize for Model Development”. The prize will be awarded annually for an outstanding contribution to weather and climate model development by an early- to mid-career researcher.

17 July 2015
July issue of SPARC Newsletter
The print version of SPARC Newsletter 45, July 2015, will soon be sent to subscribers in hardcopy. View and download the digital version already today.

 

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Find news from WCRP, CliC, CLIVAR and GEWEX

 

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Upcoming SPARC meetings

5-6 October 2015
Workshop on Solving the Mystery of Carbon Tetrachloride, Zurich, Switzerland

7-9 October 2015
IGAC/SPARC Chemistry-Climate Model Initiative (CCMI) 2015 Workshop, Rome, Italy

12-14 October 2015
S-RIP 2015 Workshop, Paris, France

14-16 October 2015
SPARC Data Assimilation Workshop, Paris, France

4-6 November 2015
SOLARIS-HEPPA Working Group Meeting, Boulder, CO, USA

9-13 November 2015
23^rd SPARC Scientific Steering Group meeting (by invitation), Boulder, CO, USA

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

Find all SPARC meetings

 

Upcoming SPARC-related meetings

4-9 October 2015
Training school on Convective and volcanic clouds detection, monitoring, and modelling, Castiglione del Lago, Italy

12-16 October 2015
Atmospheric Chemistry and Dynamics Summer School, Jülich, Germany

13-16 October 2015
International Conference on Water Resources Assessment and Seasonal Prediction, Koblenz, Germany

20-23 October 2015
WCRP FP7 EMBRACE Workshop on CMIP5 Model Analysis and Scientific Plans for CMIP6, Dubrovnik Croatia

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

16-20 November 2015
CLIVAR-ICTP International Workshop on Decadal Climate Variability, Trieste, Italy

14-18 December 2015
AGU Fall Meeting, San Francisco, California, USA

10-14 January 2016
AMS 96^th Annual Meeting, New Orleans, Louisiana, USA

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

 

Find more SPARC-related meetings.

Find more meetings organised by the WCRP community.

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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:

• Variability of water vapour in the Arctic stratosphere. By L. Thölix et al. in Atmospheric Chemistry and Physics Discussions.
• Polar Stratospheric Cloud evolution and chlorine activation measured by CALIPSO and MLS, and modelled by ATLAS. By H. Nakajima et al. in Atmospheric Chemistry and Physics Discussions.
• Upper tropospheric water vapour variability at high latitudes – Part 1: Influence of the annular modes. By C.E. Sioris et al. in Atmospheric Chemistry and Physics Discussions.
• The tropopause inversion layer in baroclinic life cycles experiments: the role of diabatic and mixing processes. By D. Kunkel et al. in Atmospheric Chemistry and Physics Discussions.
• Radiative and climate impacts of a large volcanic eruption during stratospheric sulfur geoengineering. By A. Laakso et al. in Atmospheric Chemistry and Physics Discussions.
• On the emissions and transport of bromoform: sensitivity to model resolution and emission location. By M.R. Russo et al. in Atmospheric Chemistry and Physics Discussions.
• Meteorological constraints on oceanic halocarbons above the Peruvian Upwelling. By S. Fuhlbrügge et al. in Atmospheric Chemistry and Physics Discussions.
• How to most effectively expand the global surface ozone observing network. By E.D. Sofen et al. in Atmospheric Chemistry and Physics Discussions.
• The imprint of stratospheric transport on column-averaged methane. By A. Ostler et al. in Atmospheric Chemistry and Physics Discussions.
• Implications of model bias in carbon monoxide for methane lifetime. By S.A. Strode et al.  in Atmospheric Chemistry and Physics Discussions.
• Updated ozone absorption cross section will reduce air quality compliance. By E.D. Sofen et al. in Atmospheric Chemistry and Physics Discussions.
• Evaluation of the Australian Community Climate and Earth-System Simulator Chemistry-Climate Model. By K.A. Stone et al. in Atmospheric Chemistry and Physics Discussions.
• Enhanced internal gravity wave activity and breaking over the Northeastern Pacific/Eastern Asian region. By P. Sacha et al. in Atmospheric Chemistry and Physics Discussions

August 2015

• Assessing the Impacts of Assimilating IASI and MOPITT CO Retrievals Using CESM-CAM-chem and DART. By J. Barré et al. in the Journal of Geophysical Research: Atmospheres.
• Understanding the contrasting North Atlantic Oscillation anomalies of the winters of 2010 and 2014. By G. Rivière and M. Drouard in Geophysical Research Letters.
• Global validation of SCIAMACHY limb ozone data (versions 2.9 and 3.0, IUP Bremen) using ozonesonde measurements. By J. Jia et al. in Atmospheric Measurement Techniques.
• Momentum Flux Estimates Accompanying Multi-Scale Gravity Waves over Mt. Cook, New Zealand on 13 July 2014 during the DEEPWAVE Campaign. By K. Bossert et al. in the Journal of Geophysical Research: Atmospheres.
• Comparison of ozone retrievals from the Pandora spectrometer system and Dobson spectrophotometer in Boulder, Colorado. By J. Herman et al. in Atmospheric Measurement Techniques.
• A case study of typhoon-induced gravity waves and the orographic impacts related to Typhoon Mindulle (2004) over Taiwan. By J.F. Wu et al.  in the Journal of Geophysical Research: Atmospheres.
• Climate extremes in multi-model simulations of stratospheric aerosol and marine cloud brightening climate engineering. By V.N. Aswathy et al. in Atmospheric Chemistry and Physics.
• A Comparison of Temperature and Precipitation Responses to Different Earth Radiation Management Geoengineering Schemes. By J. Crook et al. in the Journal of Geophysical Research: Atmospheres.
• On solar geoengineering and climate uncertainty. By D.G. MacMartin et al. in Geophysical Research Letters.
• Study of the wind velocity layered structure in the stratosphere, mesosphere and lower thermosphere by using infrasound probing of the atmosphere. By I. Chunchuzov et al. in the Journal of Geophysical Research: Atmospheres.
• Single interval shortwave radiation scheme with parameterized optical saturation and spectral overlaps. By J. Mašek et al. in the Quarterly Journal of the Royal Meteorological Society.
• First observations, trends and emissions of HCFC-31 (CH2ClF) in the global atmosphere. By F. Schoenenberger et al. in Geophysical Research Letters.
• Transport of Antarctic stratospheric strongly dehydrated air into the troposphere observed during the HALO-ESMVal campaign 2012. By C. Rolf et al. in Atmospheric Chemistry and Physics.
• What is the limit of climate engineering by stratospheric injection of SO2? By U. Niemeier and C. Timmreck in Atmospheric Chemistry and Physics.
• A method for merging nadir-sounding climate records, with an application to the global-mean stratospheric temperature data sets from SSU and AMSU. By C. McLandress et al. in Atmospheric Chemistry and Physics.
• Dynamical, convective, and microphysical control on wintertime distributions of water vapor and clouds in the tropical tropopause layer. By R. Ueyama et al. in the Journal of Geophysical Research: Atmospheres.
• Impact of the 2009 major sudden stratospheric warming on the composition of the stratosphere. By M. Tao et al. in Atmospheric Chemistry and Physics.
• New calibration noise suppression techniques for the GLORIA limb imager. By T. Guggenmoser et al. in Atmospheric Measurement Techniques.
• Global and seasonal variations in three-dimensional gravity wave momentum flux from satellite limb sounding temperatures. By M.J. Alexander in Geophysical Research Letters.
• Rapid increases in tropospheric ozone production and export from China. By W.W. Verstraeten et al. in Nature Geoscience.
• A comparison of chemical mechanisms using tagged ozone production potential (TOPP) analysis. By J. Coates and T.M. Butler in Atmospheric Chemistry and Physics.
• New and improved infrared absorption cross sections for dichlorodifluoromethane (CFC-12). By J.J. Harrison in Atmospheric Measurement Techniques.
• Tropospheric ozone and its precursors from the urban to the global scale from air quality to short-lived climate forcer. By P.S. Monks et al. in Atmospheric Chemistry and Physics.
• Merging the OSIRIS and SAGE II stratospheric aerosol records. By L.A. Rieger et al. in the Journal of Geophysical Research: Atmospheres.
• Atlantic opportunities for ENSO prediction. By M. Martín-Reyin et al. in Geophysical Research Letters.
• Solar influences on spatial patterns of Eurasian winter temperature and atmospheric general circulation anomalies. By H. Chen et al. in the Journal of Geophysical Research: Atmospheres.
• GOMOS bright limb ozone data set. By S. Tukiaienen et al. in Atmospheric Measurement Techniques.
• Indian Monsoon and the Elevated-Heat-Pump Mechanism in a Coupled Aerosol-Climate Model. By M. D’Errico et al in the Journal of Geophysical Research: Atmospheres.
• Connection of predictability of major stratospheric sudden warmings to polar vortex geometry. By M. Taguchi in Atmospheric Research Letters.
• Mechanisms of Stratospheric and Tropospheric Circulation Response to Projected Arctic Sea Ice Loss. By L. Sun et al. in the Journal of Climate.

July 2015

• On the accuracy of stratospheric aerosol extinction derived from in situ size distribution measurements and surface area density derived from remote SAGE II and HALOE extinction measurements. By M. Kovilakam and T. Deshler in the Journal of Geophysical Research: Atmospheres.
• Decadal hindcasts initialised using observed surface wind stress: Evaluation and Prediction out to 2024. By M. Thoma et al. in Geophysical Research Letters.
• Temporal variations of flux and altitude of sulfur dioxide emissions during volcanic eruptions: implications for long-range dispersal of volcanic clouds. By M. Boichu et al. in Atmospheric Chemistry and Physics.
• A tropospheric chemistry reanalysis for the years 2005–2012 based on an assimilation of OMI, MLS, TES, and MOPITT satellite data. By K. Miyazaki et al. in Atmospheric Chemistry and Physics.
• Stratospheric response to intraseasonal changes in incoming solar radiation. By C.I. Garfinkel et al. in the Journal of Geophysical Research: Atmospheres.
• Self Acceleration and Instability of Gravity Wave Packets: 1. Effects of Temporal Localization. By D.C. Fritts et al. in the Journal of Geophysical Research: Atmospheres.
• Two decades of water vapor measurements with the FISH fluorescence hygrometer: a review. By J. Meyer et al. in Atmospheric Chemistry and Physics.
• Extended and refined multi sensor reanalysis of total ozone for the period 1970–2012. By R.J. van der A et al. in Atmospheric Measurement Techniques.
• Global distributions of overlapping gravity waves in HIRDLS data. By C.J. Wright et al. in Atmospheric Chemistry and Physics.
• What controls stratospheric water vapor in the NH summer monsoon regions? By W.J. Randel et al. in the Journal of Geophysical Research: Atmospheres.
• Importance of latent heat release in ascending air streams for atmospheric blocking. By S. Pfahl et al. in Nature Geoscience.
• Injection of iodine to the stratosphere. By A. Saiz-Lopez et al. in Geophysical Research Letters.
• Sources of Seasonal Variability in Tropical UTLS Water Vapor and Ozone: Inferences from the Ticosonde Dataset at Costa Rica. By M.R. Schoeberl et al. in the Journal of Geophysical Research: Atmospheres.
• The Interaction between the Tropopause Inversion Layer and the Inertial Gravity Wave activities revealed by radiosonde observations at a midlatitude station. By Y. Zhang et al. in the Journal of Geophysical Research: Atmospheres.
• Modeling and mechanisms of polar winter upper stratosphere lower mesosphere disturbances in WACCM. By K. Greer et al. in the Journal of Geophysical Research: Atmospheres.
• Tropospheric ozone variability in the tropics from ENSO to MJO and shorter timescales. By J.R. Ziemke et al. in Atmospheric Chemistry and Physics.
• Comparison of co-located independent ground-based middle-atmospheric wind and temperature measurements with Numerical Weather Prediction models. By A. Le Pichon et al. in the Journal of Geophysical Research: Atmospheres.
• The Deep Propagating Gravity Wave Experiment (DEEPWAVE): An Airborne and Ground-Based Exploration of Gravity Wave Propagation and Effects from their Sources throughout the Lower and Middle Atmosphere. By D. C. Fritts et al. in the Bulletin of the American Meteorological Society.
• Comparing Sudden Stratospheric Warming Definitions in Reanalysis Data. By F.M. Palmeiro et al. in the Journal of Climate.
• Impacts of Stratospheric Ozone Depletion and Recovery on Wave Propagation in the Boreal Winter Stratosphere. By D. Hu et al. in the Journal of Geophysical Research: Atmospheres.
• Effects of volcanism on tropical variability. By N. Maher et al. in Geophysical Research Letters.
• A coupled data assimilation system for climate reanalysis. By P. Laloyaux et al. in the Quarterly Journal of the Royal Meteorological Society.
• Aircraft measurements of gravity waves in the upper troposphere and lower stratosphere during the START08 field experiment. By F. Zhang et al. in Atmospheric Chemistry and Physics.
• An objective determination of optimal site locations for detecting expected trends in upper-air temperature and total column ozone. By K. Kreher et al. in Atmospheric Chemistry and Physics.
• The southern stratospheric gravity wave hot spot: individual waves and their momentum fluxes measured by COSMIC GPS-RO. By N.P. Hindley et al. in Atmospheric Chemistry and Physics.
• Onset of circulation anomalies during stratospheric vortex weakening events: the role of planetary-scale waves. By P. Martineau and S.-W. Son in the Journal of Climate.
• Stratospheric intrusions, the Santa Ana winds, and wildland fires in southern California. By A.O. Langford et al. in Geophysical Research Letters.
• HCFC-133a (CF3CH2Cl): OH Rate Coefficient, UV and Infrared Absorption Spectra, and Atmospheric Implications. By M.R. McGillen et al. in Geophysical Research Letters.
• Numerical simulations of extratropical tropopause-penetrating convection: Sensitivities to grid resolution. By C.R. Homeyer in the Journal of Geophysical Research: Atmospheres.
• The Response of the South Asian Summer Monsoon to Temporal and Spatial Variations in Absorbing Aerosol Radiative Forcing. By S.-Y. Lee and C. Wang in the Journal of Climate.
• Maximum likelihood representation of MIPAS profiles. By T. von Clarmann et al. in Atmospheric Measurement Techniques.
• Sensitivities of Lagrangian modelling of mid-latitude cirrus clouds to trajectory data quality. By E. Kienast-Sjögren et al. in Atmospheric Chemistry and Physics.
• Characterisation of J(O1D) at Cape Grim 2000–2005. By S.R. Wilson in Atmospheric Chemistry and Physics.

 

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