International Radiation Symposium 2008 (IRS2008)

Venue: Mabu Thermas and Resort

Location: Foz do Iguacu, Parana, Brazil

Event Date/Time: Jan 10, 2008
Abstract Submission Date: Feb 20, 2008
Paper Submission Date: Feb 20, 2008
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Description

The International Radiation Symposium (IRS) occurs periodically every 4 years. In the 2008 edition the symposium will be held for the first time in South America, in the scenic city of Foz do Iguassu, Brazil.

IRS2008 welcomes scientific contributions on all aspects of atmospheric radiation, such as in Sessions B through J. Session A is reserved for the plenary lectures.

Session A: Topical Union Session
Conveners: T. Nakajima, R. Ellingson, R. Cahalan, C. Serio and M. Yamasoe
Subjects: Current Problems in Atmospheric Radiation. This session presents plenary lectures on outstanding issues that should be shared by all participants.

Session B: Radiative Transfer Theory and Modeling
Conveners: Bernhard Mayer, Alexander Marshak
Subjects: Radiative transfer (RT) theory including one- and three-dimensional RT applications to the atmosphere and surface (vegetation, land and sea ice). Different aspects of solar and infrared radiation; methods for identifying errors and limits of various RT methods in climate, atmospheric chemistry and remote sensing studies. The use of RT theory for new and advanced active and passive remote sensing techniques including interpretation of hyperspectral measurements. Modeling of cloud-aerosol interaction involving RT theory.

Session C: Molecular Radiative Properties
Conveners: Carmine Serio, Peter Bernath, Claude Camy-Peyret
Subjects: Radiative properties of molecules with application to atmospheric remote sensing. Measurements of molecular line parameters and cross sections for pure rotational (microwave), vibration-rotation (infrared) and electronic transitions (UV-visible); studies on atmospheric continua and non-Voigt line shape functions. Applications to satellite, airborne and ground-based remote sensing: radiative transfer and spectroscopy issues, including those related to the chemistry satellite instruments (ACE, TES, MIPAS, SCIAMACHY, MLS and more) and the most recent meteorological satellite missions such as AIRS and IASI.

Session D: Particle Radiative Properties
Conveners: Tadahiro Hayasaka, Paolo Di Girolamo, Peter Koepke
Subjects: Theoretical, experimental and observational studies on atmospheric particle properties, both aerosols and cloud particles. Radiative properties such as extinction, scattering and absorption coefficients, single scattering albedo, asymmetry factor, and phase function of aerosol and cloud particles (water, ice and graupel) at spectral regions from ultraviolet to microwave; relevant microphysical properties, like size distributions, refractive index, effect of relative humidity, particle shape and mixture of components. Measuring methods, both in situ and remote, and temporal and spatial variations of these properties in the Earth's atmosphere are also important topics in this session.

Session E: General Remote Sensing
Conveners: Allen M. Larar, Yuriy M. Timofeyev
Subjects: Advanced remote sensing measurement systems are being employed for observing a wide variety of geophysical variables from ground-, aircraft-, and satellite-based platforms, enabling a wide range of research and operational applications through retrievals of atmospheric state, dynamics, and composition. Increasing spatial resolutions and coverage areas allow improvement of scientific understanding and predictive capability for geophysical parameters and their response to natural and anthropogenic external forcing.

Session F: Satellite Measurements
Conveners: Michael King, Rolf Stuhlmann, W. Paul Menzel
Subject: Geostationary satellites provide a continuous view of weather systems in tropics and midlatitudes, where they constitute the Global Observing System (GOS) of more than five geosynchronous satellites. Together with polar-orbiting satellites they form a truly global meteorological satellite network that enables measurement of motion, development, and decay of atmospheric phenomena, severe events warning capability, observation of daily global cloud cover and monitoring of surface and vertical variation of temperature and water vapour. The recent addition of new R&D systems to GOS has expanded its spectral, spatial, and temporal remote sensing capabilities dramatically.

Session G: Surface measurements and field experiments
Conveners: G. Shi, J. Vanderlei Martins, Bruce W Forgan
Subjects: All aspects of field measurements of atmospheric radiation including surface networks, aircraft campaigns, and the results of intensive observation periods focused on the measurements of the radiation field or on the components that directly affect the radiation field. In most of these experiments, the optical characteristics of aerosol and clouds, and the chemical composition of the atmosphere are also observed and can be presented in this Section. The presentation of atmospheric radiation data collected by a variety of programs and the modeling and re-analyses of these data sets is also encouraged.

Session H: Radiation budget and forcing
Conveners: Byung-Ju. Sohn, Eugene Rozanov
Subjects: Focal point on alterations of radiation budget and its components by anthropogenic and natural processes, resulting in climate changes. Papers on observation and modeling of the Earth and Surface Radiation budget as well as its variability in space and time. Understanding and quantitative characterization of the radiative forcing by solar irradiance, atmospheric species, clouds and aerosol, including comparison of the simulated radiation budget with observation data. Special attention to results of recent satellite experiments CERES and GERBE; cloud, surface albedo and direct/indirect aerosol radiative forcing; uncertainties in the anthropogenic and natural forcing; validation of the Earth/Surface radiation budget retrieved from the data acquired by ground based/satellite instruments; energy budget/water cycle interactions.

Session I: Weather and climate applications
Conveners: Hung-Lung Allen Huang; Bruce McArthur
Subjects: The use of radiative transfer parameterizations for improving weather and climate forecasting; Radiative processes in climate and weather, and their consequences (e.g., cloud-climate interactions, aerosol-chemistry-climate interactions, atmosphere-ocean interactions); Global and regional radiation climatologies.

Session J: Biosphere-Atmosphere interactions influencing the radiation budget
Conveners: Pedro Leite da Silva Dias, Paulo Artaxo
Subjects: The fluxes of aerosol and trace gases from terrestrial ecosystems to the atmosphere play an important role in influencing the atmospheric radiation balance. In tropical areas, biogenic aerosol and biomass burning emissions inject large amounts of aerosol particles in the atmosphere that have strong direct and indirect radiative forcing. When acting as cloud condensation nuclei (CCN) they can change cloud microphysics, cloud lifetime, and influence atmospheric dynamics and thermodynamics.

Venue

Av Cataratas, km 3.2
Parana
Brazil
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Additional Information

Registration Fees in BRL (Brazilian Real): (1) Up to 1 May 2008 (2) Up to 15 June 2008 (3) Late Registration Regular participants: BRL540 (1), BRL 650 (2), or BRL 720 (3) Students and participants from low income countries: BRL110 (1), BRL145 (2), or BRL180 (3) Accompanying persons: BRL110 (1), BRL145 (2), or BRL180 (3) Exchange rate on October 05, 2007: USD 1.00 = BRL 1.80

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