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Advancing Regional Climate Modeling and Observational Techniques at BNL

The Atmospheric Sciences Division at Brookhaven National Laboratory (BNL) focuses on improving regional climate modeling through advanced impact models and observational data integration. Key activities include parameterization development, model validation, and process studies. The division employs in situ aircraft measurements, cloud microphysics, and satellite data to enhance simulation fidelity. Research aims to reduce uncertainties in climate models, particularly regarding aerosol effects and precipitation processes. Collaboration with prominent scientists fosters innovation in climate science and predictive modeling.

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Advancing Regional Climate Modeling and Observational Techniques at BNL

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  1. BNL Regional Climate Capabilities & Interests Atmospheric Sciences Division • Impact Models with Observations (ARM, ASP) • Process studies • Parameterization development • Model constraints & validation • Regional climate modeling (NY Blue) • Modeling  ~ Scales we can observe • Assess fidelity of the regional simulation

  2. BNL Process Study Platforms In Situ - Aircraft Aerosol properties Cloud microphysics Radar - Cloud & Precipitation Cloud phase (spectral processing) Microphysical retrievals Satellite - Geostationary Cloud life cycle Cloud type & regimes

  3. Cloud Microphysical Studies Liu, McGraw, Daum, Guo • Develop microphysical basis for improving • parameterizations in order to reduce • uncertainty in climate models • Dispersion Effect • Kinetic potential theory of drizzle formation • Generalization of autoconversion • parameterization

  4. Cloud & Precipitation Radar Studies Jensen, Luke, Johnson, Kollias, Huang ARM MMCR (vertical pencil beam statistics) ARSCL Microbase (& Merged sounding) Scanning Radar (LES domain/GCM gridbox) C-Pol X-Band (CASA) Cloud Tomography

  5. Satellite Synergistic Studies Vogelmann, Jensen, Luke

  6. Satellite Synergistic Studies Vogelmann, Jensen, Luke

  7. Forward-looking Comments • ANN Satellite Emulator for WRF • Part of diagnostic package (?) • Monitor Program Developments • ARM  3D (?) • DOE  Regional climate change (?) • Current Efforts (mostly leveraged w/ ARM, ASP) • LDRD – Tropical convection, aerosol & climate • BNL/SBU Team ~ 1FTE • WRF & WRF/Chem • Marine BL Cloud AIE – Guo/Liu • SciDAC – McGraw (QMOM)

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