1 Mike3/papers/tropoz/aguf98 12/2/98 16:30 Mike Newchurch Atmospheric Science Dept. UAH Ozone Lidar Doppler Lidar Scanner Locked at zenith Grating Top.

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Presentation transcript:

1 Mike3/papers/tropoz/aguf98 12/2/98 16:30 Mike Newchurch Atmospheric Science Dept. UAH Ozone Lidar Doppler Lidar Scanner Locked at zenith Grating Top Dome Floor Roof Top Dome Sidewall Railing Horizontal FTIR Solar FTIR Lid Closed Lid Open Dome Floor Chimney 2 Chimney 4 Chimney 5 Chimney 1 Dome Legs Dome Shutters Dome Chimney 3 1-micron scanning aerosol lidar on loan from Herman and Labow/GSFC Elevation of roof plan 2.1-micron Doppler wind/aerosol lidar The 7th Annual Southeast Ultrafast and High- Resolution Spectroscopy Conference January 2004 Huntsville, AL

2 Mike3/papers/tropoz/aguf98 12/2/98 16:30 The UAH Atmospheric Chemistry Program Collaborators Global Hydrology and Climate Center / MSFC Laboratory for Atmospheres / GSFC Climate Diagnostics and Monitoring Lab / NOAA Atmospheric Chemistry Division / NCAR Aerosol Research Branch /LaRC Atmospheric Chemistry Division / JPL Aeronomy Lab / NOAA National Weather Service Cal State, Northridge Cal Tech Georgia Tech Hampton University Harvard University Pusan National University, S. Korea St. Louis University St. Petersburg University, Russia

3 Mike3/papers/tropoz/aguf98 12/2/98 16:30 The UAH Atmospheric Chemistry Program The atmospheric chemistry program in the UAH Atmospheric Science graduate school includes research in balloon borne, ground-based, and satellite remote sensing of ozone, trace gases and aerosols in both the troposphere and stratosphere Time series analysis of those trace gases, especially ozone Modeling of the processes controlling air quality. We are building a new laboratory designed to house instruments measuring ozone and aerosol vertical atmospheric profiles, boundary layer winds from Doppler aerosol backscatter lidar, and aerosol infrared spectra in both laboratory and ambient conditions. This new laboratory, The Regional Atmospheric Profiling Center for Discovery, (RAPCD, pronounced rhapsody) will be a state of the science facility housed in the National Space Science and Technology Center. It opened spring 2003 and we invite interested researchers to discuss collaborative science with us. Additional information about our program and laboratory is available at nsstc.uah.edu/atmchem.

4 Mike3/papers/tropoz/aguf98 12/2/98 16:30 What is Tropospheric Ozone and Why Do We Care? Stratospheric ozone protects us from harmful UV radiation Tropospheric ozone is harmful to lifeforms. –Respiratory problems –Skin cancer –Crop damage Sources are both natural and anthropogenic Scale ranges from local to global

5 Mike3/papers/tropoz/aguf98 12/2/98 16:30 How well can we model the ozone vertical variation? (July 4)(July 19)(July 24)(June29) TN LON: , LAT: 36.25

6 Mike3/papers/tropoz/aguf98 12/2/98 16:30 Huntsville Ozonesonde Station

7 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NSSTC Regional Atmospheric Profiling Center for Discovery RAPCD Ozone Lidar Doppler Lidar Scanner Locked at zenith Grating Top Dome Floor Roof Top Dome Sidewall Railing Horizontal FTIR Solar FTIR Lid Closed Lid Open Dome Floor Chimney 2 Chimney 4 Chimney 5 Chimney 1 Dome Legs Dome Shutters Dome Chimney 3

8 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NSSTC Regional Atmospheric Profiling Center for Discovery RAPCD Platform 1 Chimneys Doppler Chimney Johnson, Emmitt, Bowdle, Newchurch, Burris, Jarzembski Ozone DIAL first light

9 Mike3/papers/tropoz/aguf98 12/2/98 16:30 RAPCD rooftop platform for sky-viewing instruments

10 Mike3/papers/tropoz/aguf98 12/2/98 16:30 Schematic of the OZONE Differential Absorption Lidar (DIAL) YAG laser 1 YAG laser 2 Dye laser 2 -Off absorption- Telescope Detection & data acquisition Dye laser 1 -On absorption- Separator Doubler Separator = 1064nm =532nm =291nm =285nm =582nm =570nm =578 nm =598 nm Doubler & Separator Measure vertical profiles of ozone from the earth surface to the free troposphere using the difference in atmospheric absorption at 285 and 291 nm. Telescope

11 Mike3/papers/tropoz/aguf98 12/2/98 16:30 Scanning aerosol lidar

12 Mike3/papers/tropoz/aguf98 12/2/98 16:30 MSFC Ground-based Doppler Lidar

13 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NPS: Annual average extinction coefficients (Mm -1 ) Huntsville, AL. A Researcher’s Paradise for Science of the Atmospheric Aerosol ‘Hot Topics’ in Aerosols and Forcing Chemical composition Speciation Hygroscopicity Physical properties Size distribution Morphology Radiometric Properties Extinction Scattering Absorption Polarimetric Forcing / Remote Sensing Optical depth Albedo Polarization Distribution of scattered light Vertical structure

14 Mike3/papers/tropoz/aguf98 12/2/98 16:30 AORAOR Applied Microparticle Optics and Radiometry

15 Mike3/papers/tropoz/aguf98 12/2/98 16:30 In addition 7 Channel Rotating Shadow Band Radiometer (from Jack Fix, UAH Dean of Science) Real-time FTIR aerosol analyzer (On extended loan from Argonne National Laboratory) Defense Universities Research Instrumentation Program (DURIP) Fourier Transform Spectrometer, 1-30  m Mueller Matrix Polarimetry Module Multiangle Reflectometry Module Micro-Orifice Uniform Deposit Impactor (MOUDI) Optical Particle Counter Instrumentation for PM Analysis Applied Microparticle Optics and Radiometry AORAOR NSF for Development of TANdem INtegrating Sphere (TANINS) Absorption Meter

16 Mike3/papers/tropoz/aguf98 12/2/98 16:30 City of Huntsville Division of Natural Resources (Air Quality) EPA: Office of Research and Development Aerosol measurements and Radiometry, Sipsey Wilderness Area Partnerships and Collaborations Applied Microparticle Optics and Radiometry AORAOR Biological and Physical Sciences Dusty plasma lab Satellite Archaeology

17 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NSSTC Regional Atmospheric Profiling Center for Discovery RAPCD Planned MEASUREMENTS Atmospheric profiles of aerosols, gases, winds, temperature Tunable lidar, ozonesondes, and DOAS spectrometer O3, NO2, NO3, HCHO, H2O Aerosols and clouds with lidar, sodar, and ceilometer ice/water discrimination with lidar depolarization signals Winds with Doppler lidar, Doppler radar, and sonde Temperature with RASS and sonde Ground-based radiation Column-integrated aerosols and gases with FTIR, MFRSR, Brewer Characteristics of atmospheric aerosols with FTIR and MOUDI Optical properties Chemical composition Water uptake, reactivity with other trace gases

18 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NSSTC Regional Atmospheric Profiling Center for Discovery RAPCD APPLICATIONS Satellite validation Tropospheric ozone (TOMS, OMI, TES, AIRS, GOME, SCHIMACHY) SO2, HCHO, NO2 Aerosols (MISR, MODIS, NPOESS, TOMS) Winds (GTWS) Chemistry and Aerosols regional air pollution Stratospheric/Tropospheric Exchange PBL convection/entrainment/venting Large Eddy Simulation Lightning NOx impact on ozone Regional climate forcing Visual air quality

19 Mike3/papers/tropoz/aguf98 12/2/98 16:30 NSSTC Regional Atmospheric Profiling Center for Discovery RAPCD Applications Diurnal and long-term investigation of ozone and aerosol climatology, horizontal and vertical transport heterogeneous chemistry, including gas to particle conversion cloud venting of chemical pollutants moisture effects on visibility correlation between ozone profiles and synoptic and regional scale weather stratosphere as a source for local and regional ozone pollution. Combine with similar systems in the NE and Rocky Mountains to Investigate large scale budgets and transport of ozone and aerosol assess model predictions Unique in the world as a research tool for both scientists and students.

20 Mike3/papers/tropoz/aguf98 12/2/98 16:30 nsstc.uah.edu/atmchem