ATMOSPHERIC SCIENCES DIVISION

Staff Research Interests

Peter H. Daum, Division Head

Robert  McGraw, Deputy Division Head

 

PETER H. DAUM - Chemist

Atmospheric chemistry; Cloud microphysics; Cloud radiative properties.

 

ROBERT L. MC GRAW – Senior Scientist

Physical chemistry; Statistical mechanics; Aerosol dynamics; Homogeneous and heterogeneous nucleation of supercooled vapors and vapor mixtures as mechanisms for gas-to-particle conversion; Freezing and precipitation from multicomponent solutions; Computer simulation of nucleation and growth processes in complex flows; Nonlinear optics.

 

MARY JANE BARTHOLOMEW - Meteorology Associate II

Aerosol optical thickness measurements over the world’s oceans, satellite correction algorithms for aerosol optical thickness and aerosol climate.

 

WILLIAM J. BEHRENS - Applications Architect

Acquisition, telemetry, analysis and distribution of environmental data; Computer networking; Wireless communications; Oceanographic and atmospheric data management; Hydrography.

 

LINDA BOWERMAN  - Chemistry Associate I

The detection of reactive nitrogen compounds (NOy) in remote and rural locations; The speciation of NOy into various components (i.e., NO, NO2, HNO3, and PAN).

 

LIM-SEOK CHANG –

 

ALICE T. CIALELLA - Advanced Applications Engineer

Remote sensing for land and water surfaces; Geographic Information Systems (GIS) analyses of environmental data; Data acquisition and analysis.

 

KATHY J. DOTY - Advanced Applications Engineer

Data base design, Applications programming; User interface development, and WEB development.

 

MAUREEN DUNN - Oceanographic Associate II

Detiding and spatial analysis of shipboard acoustic Doppler current profiling (ADCP) data. Biological-physical interactions in marine environments. Identification and growth of aquatic bacteria.

 

LAURIE M. GREGORY - Advanced Applications Engineer

Data acquisition and analysis; Applications programming; CGI programming; WEB development.

 

MICHAEL P. JENSEN -

 

KAREN LEE JOHNSON - Advanced Applications Engineer

Radar meteorology, particularly vertically pointing precipitation and cloud radars.

 

LAWRENCE I. KLEINMAN - Chemist

Kinetics and transport of atmospheric pollutants; Chemical dynamics.

 

PAVLOS KOLLIAS –

 

YIN-NAN LEE - Chemist

Kinetics and mechanisms of homogeneous and heterogeneous chemical reactions and catalyses in the field of organic, marine, and atmospheric chemistry; Measurement of and technique development for trace gaseous species including aerosols.

 

ERNEST R. LEWIS - Environmental Scientific Associate II

Sea salt aerosols and their properties, concentrations, and production.  Studies in the atmospheric environment pertaining to global warming.  Climate and climate change, and the effect of aerosols on climate change.  Light scattering and radiative transport in the atmosphere and aerosol-radiative interactions.  Hygroscopic and thermodynamic properties of aerosol particles and the effects of relative humidity on their chemical and physical properties.  The carbon dioxide system in the oceans.  Measurement of chemical and physical properties of seawater.  Air-sea exchange of gases and particles. 

 

MIN LIANG –

 

YANGANG LIU – Associate Scientist

Aerosol/cloud physics; light scattering and radiation transfer; remote sensing of particle properties; climate and climate change (esp., aerosol-cloud-dynamics-radiation-climate interactions).

 

EDWARD P. LUKE –

 

L. LYNN MA - Advanced Applications Engineer

            Data analysis; Data base management; WEB development; Applications programming.

 

PAUL MICHAEL –

 

MARK A. MILLER - Scientist

Air-sea interaction; Marine boundary layer meteorology; Surface-based and satellite remote sensing.

 

SUSAN J. OATIS - Research Collaborator

Heterogeneous nucleation in common atmospheric aerosols; Role of lattice parameters, particulate diameter, and surface area on size of critical nucleus and degree of supersaturation; Characterization of thermodynamic properties of atmospheric aerosols, their role in polar stratospheric cloud formation, and radiative scattering; High resolution infrared absorption studies of simple hydrocarbon radicals produced in combustion processes; Ultra-high resolution infrared absorption measurements of (NO)x atmospheric species at cryogenic temperatures; High resolution VUV photoelectron spectroscopy of combustion free radicals.

 

STEPHEN E. SCHWARTZ - Senior Scientist

Atmospheric Chemistry: Transformation of trace atmospheric constituents; Laboratory studies of model systems; Field measurements and interpretation; Chemical modeling; Atmospheric radiation.  Physical Chemistry: Reaction kinetics; Chemical thermodynamics; Mass transport; Molecular spectroscopy; Photochemistry.

 

ARTHUR J. SEDLACEK - Scientist

Development of novel sensing systems to the identification and measurement of trace atmospheric pollutants and ground/surface pollutants; Application of lidar systems and techniques for atmospheric species temporal and spatial profiling.

 

GUNNAR I. SENUM - Chemist

Application and modeling of chromatographic systems for the development of techniques for the detection and quantification of trace components with the consequent application to geophysical trace gases, indoor pollution and various industrial applications; Development of chemical compounds as atmospheric, hydrological or aerosol tracers.

 

STEPHEN R. SPRINGSTON - Chemist

Field measurements of atmosphere; Development of novel instrumentation for measuring atmospheric constituents; Adapting analytical instrumentation for aircraft-based sampling; Development of analytical instrumentation for high-efficiency separations.

 

ALISON L. TILP - Advanced Applications Engineer

System administration; Backup/archive systems; Perl and CGI programming; WEB applications.

 

DAVID T. TROYAN - Scientific Associate II

Radar meteorology; Truth testing of meso-scale meteorological models; Geostatistics; Geographic coordinate system transformation.

 

ANDREW VOGELMANN - Scientist

Climate and the Earth's energy balance; Cloud-radiative interactions, Aerosol-radiative interactions; Atmospheric radiative transfer; Remote sensing; Climate modeling; Climate change theory.

 

RICHARD WAGENER - Scientist

Remote sensing of the atmosphere; Atmospheric radiative transfer; Global climate change; Regional environmental change.

 

JIAN WANG - Goldhaber Fellow

Characterization of atmospheric aerosol physical and chemical properties through field observations and laboratory studies; Development of new instruments for aerosol size distribution and radiative property measurements.

 

JUDITH B. WEINSTEIN-LLOYD - Research Collaborator

Atmospheric oxidants: Development of instrumentation for detection of peroxy radicals and peroxides, field measurements, interpretation and modeling of these species.

 

DOUGLAS L. WRIGHT, JR. – Associate Scientist

Topics related to or involving vapor-liquid nucleation, molecular clusters, and statistical thermodynamics.

 

DIVISION SECRETARIES

ADRIENNE DEBOARD

NANCY WARREN

JUDITH G. WILLIAMS

SHARON ZUHOSKI

 

 

 

CARMEN M. BENKOVITZ - Scientist

Mathematical modeling of transport and transformation of trace species in the atmosphere, with special emphasis on the sulfur cycle; Study of the interaction of aerosols, clouds, and climate; Compilation and analyses of inventories of pollutant emissions to the atmosphere; Analysis of atmospheric measurements data.

 

LEONARD NEWMAN - Senior Chemist

Studies of the atmospheric chemistry of sulfur and nitrogen compounds as they relate to their impact on air pollution; Studies directed at understanding atmospheric oxidant chemistry; Identification and measurement of the chemical composition of gases and aerosols in the atmosphere.

 

 

 

[Rev. 7/31/2006]