We are seeking a PhD student to work in Davos, Switzerland within the project "Variability of Solar Irradiance, Seismology of the Sun, and its Implications on the Terrestrial Middle Atmosphere" funded by the Swiss National Science Foundation. The main goal of this project is to study the response of the middle atmosphere to the short-term variability of the solar irradiance. The PhD student will apply a state-of-the-art Climate-Chemistry Model to simulate the ozone and temperature variability in the middle atmosphere, analyze the results and compare them with observations.

The applicant should have a Master or Diploma degree in physics, mathematics, environmental, earth sciences or engineering and deep interest in the modeling of physical or chemical processes in the atmosphere at all scales or some experience in numerical climate and chemistry modeling. Good knowledge of mathematical fundamentals, FORTRAN-95 and IDL visualization package will be essential. Fluency in English will be a great advantage.

This 3-year position should be filled until October 2012. Applications including CV, statement of interest and contact information for two potential referees should be sent to Dr. Eugene Rozanov. For informal enquiries concerning this position, please, contact Dr. Eugene Rozanov (+41 81 4175135, ).

Abstract submission deadline has been extended to Friday, 10 August.

• Aerosol Direct and Indirect Radiative Effects: Insights from Models & Measurements

• Aerosol Indirect Effects on Feedbacks and Characteristics of Deep Convective Storm Systems

• Aerosol-Cloud Interaction Representations in Regional and Global Models and Associated Climate Impact

• Aerosol-cloud Interactions in Weather Forecasting

• Atmospheric Chemistry at the Climate / Policy interface

• Chemistry-Aerosol-Cloud/Climate Interactions: From Ocean to Continents

• Cloud Condensation Nuclei (CCN) and Ice Nuclei (IN) Properties of Aerosol: Measurement, Modeling and Impacts on Clouds

• Impacts of Anthropogenic Aerosols on Clouds, Precipitation, Circulation, and Severe Storms
• Impacts of Natural Aerosols (E.G., Biogenic, Dust, Sea Salt and Smoke) On Climate

• Working at the interface: Policy/Atmospheric Chemistry/Climate

Find information on the symposium and a link to abstract submission.

Submit your abstract before 15 September.

On 3-7 December 2012, the WCRP Special Workshop on Climatic Effects of Ozone Depletion in the Southern Hemisphere will be held back-to-back with the SPARC Steering Group meeting in Buenos Aires, Argentina.

UCAR Visiting Scientist Programs is seeking an outstanding postdoctoral research scientist to engage in research on understanding climate variations in the Intra-Americas Seas (IAS) and their influence on climate extremes using global high-resolution coupled models. The research activities fall under the broad banner of climate variability, predictability and attribution. This is a new, full-time, two-year appointment, renewable for a third year. This position is located at the Climate Change, Variability Prediction Group at the NOAA Geophysical Fluid Dynamics Labotatory, Princeton, New Jersey.

Find more information.

CLIVAR Bulletin, July 2012.

The development of the Future Earth – Research for Global Sustainability initiative launched in Rio+20 is well underway. The Alliance builds on the success of the international global environmental change programmes including WCRP. Co-sponsors are ICSU, ISSC, UNEP, UNESCO, UNU, with WMO as an observer.

Find information letter .

Early bird registration payment deadline has been extended to 15 July.

Find IGAC 2012 Conference.

NASA’s Earth Science Division and the Jet Propulsion Laboratory Centre for Climate Sciences invite applicants to participate in their August summer school. Application deadline is 6 July.

Find more information on the NASA/JPL summer school.

The latest issue of CLIVAR’s Bulletin includes reports of the 19th SSG session and the VAMOS workshop on modelling and predicting climate in the Americas.

Find CLIVAR June Bulletin.

Session organizers are Troy Thornberry, Andrew Rollins and Holger Voemel. The AGU Fall meeting will be held on 3-7 December in San Francisco. Abstracts are due by 8 August.

A078: Water Vapour in the Upper Troposphere and Lower Stratosphere (UT/LS)

Water vapor in the upper troposphere and lower stratosphere (UT/LS) plays a significant role in Earth’s climate. Systematic disagreements among H2O measurements in the UT/LS indicate there are unrecognized uncertainties with in situ and/or satellite measurements that may impact our understanding of transport mechanisms, radiative balance and ice nucleation microphysics in the tropopause region. We invite contributions related to UT/LS H2O measurements and their implications for the understanding of UT/LS processes. Specific topics include: H2O measurement and measurement-model comparisons; measurement and model results describing the distribution and trends in UT/LS H2O; tropopause region transport and dehydration processes.

Find information on AGU 2012.