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Using GERB with surface sites to obtain the atmospheric radiative divergence Tony Slingo

GIST 22, RMIB, 8-10 November 2004. Using GERB with surface sites to obtain the atmospheric radiative divergence Tony Slingo Environmental Systems Science Centre University of Reading, UK. Atmospheric radiative divergence.

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Using GERB with surface sites to obtain the atmospheric radiative divergence Tony Slingo

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  1. GIST 22, RMIB, 8-10 November 2004 Using GERB with surface sites to obtain the atmospheric radiative divergence Tony Slingo Environmental Systems Science Centre University of Reading, UK

  2. Atmospheric radiative divergence • GERB provides the first measurements of the top of atmosphere radiation budget with the excellent temporal sampling required to make progress in estimating the radiative divergence across the atmosphere • SINERGEE provides a framework for comparing GERB data with models • We need complementary data at the surface • Such data can be obtained from the ARM sites, as well as from the Baseline Surface Radiation Network (BSRN) • Peter Henderson (PhD student) has been comparing surface radiative fluxes from the Met Office NWP model with data from ARM

  3. Comparisons with data from ARM:Atmospheric Radiation Measurement program.Results from Peter Henderson

  4. Barrow, NSA SGP Manus island, TWP Darwin

  5. SGP April 2003 Darwin May 2003

  6. Unfortunately,there are no ARM sites visible from GERB

  7. However, there is an exciting new development;The ARM Mobile Facility (AMF)

  8. There are also some BSRN sites visible from GERB

  9. Combining ARM and SINERGEE • RADAGAST • Radiative Atmospheric Divergence using ARM Mobile Facility, GERB data and AMMA stations • A proposal led by Tony Slingo to deploy the new ARM Mobile Facility in Niamey, Niger to coordinate with AMMA 2006 • Approved in October by the ARM project • This will link with SINERGEE to enable the first well-sampled estimates of the divergence of radiation across the atmosphere, for comparison with models • In support of this, a new grant application: COMRAD • Combining Observations and Models to study the Radiative Atmospheric Divergence • Current grant round (will hear in December)

  10. AMMA: 2006

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