Articles | Volume 12, issue 16
https://doi.org/10.5194/acp-12-7647-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-12-7647-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
22 Aug 2012
Research article |
| 22 Aug 2012
Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES)
R. A. Zaveri
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
W. J. Shaw
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
D. J. Cziczo
Massachusetts Institute of Technology, Cambridge, MA, USA
B. Schmid
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
R. A. Ferrare
NASA Langley Research Center, Hampton, VA, USA
M. L. Alexander
Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, USA
M. Alexandrov
Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA
R. J. Alvarez
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
W. P. Arnott
University of Nevada, Reno, NV, USA
D. B. Atkinson
Portland State University, Portland, OR, USA
S. Baidar
Department of Chemistry and Biochemistry, University of Colorado at Boulder, CO, USA
R. M. Banta
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
J. C. Barnard
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
J. Beranek
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
L. K. Berg
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
F. Brechtel
Brechtel Manufacturing, Inc, Hayward, CA, USA
W. A. Brewer
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
J. F. Cahill
University of California, San Diego, CA, USA
B. Cairns
NASA Goddard Institute for Space Studies, New York, NY, USA
C. D. Cappa
Department of Civil and Environmental Engineering, University of California, Davis, CA, USA
D. Chand
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
S. China
Atmospheric Science Program, Michigan Technological University, Houghton, MI, USA
J. M. Comstock
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
M. K. Dubey
Los Alamos National Laboratory, Los Alamos, NM, USA
R. C. Easter
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
M. H. Erickson
Washington State University, Pullman, WA, USA
J. D. Fast
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
C. Floerchinger
Montana State University, Bozeman, MT, USA
B. A. Flowers
Los Alamos National Laboratory, Los Alamos, NM, USA
E. Fortner
Aerodyne Research, Inc., Billerica, MA, USA
J. S. Gaffney
University of Arkansas, Little Rock, AR, USA
M. K. Gilles
Lawrence Berkeley National Laboratory, Berkeley, CA, USA
K. Gorkowski
Atmospheric Science Program, Michigan Technological University, Houghton, MI, USA
W. I. Gustafson
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
M. Gyawali
University of Nevada, Reno, NV, USA
J. Hair
NASA Langley Research Center, Hampton, VA, USA
R. M. Hardesty
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
J. W. Harworth
Portland State University, Portland, OR, USA
S. Herndon
Aerodyne Research, Inc., Billerica, MA, USA
N. Hiranuma
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
C. Hostetler
NASA Langley Research Center, Hampton, VA, USA
J. M. Hubbe
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
J. T. Jayne
Aerodyne Research, Inc., Billerica, MA, USA
H. Jeong
University of North Dakota, ND, USA
B. T. Jobson
Washington State University, Pullman, WA, USA
E. I. Kassianov
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
L. I. Kleinman
Brookhaven National Laboratory, Upton, NY, USA
C. Kluzek
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
B. Knighton
Montana State University, Bozeman, MT, USA
K. R. Kolesar
Department of Civil and Environmental Engineering, University of California, Davis, CA, USA
C. Kuang
Brookhaven National Laboratory, Upton, NY, USA
A. Kubátová
University of North Dakota, ND, USA
A. O. Langford
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
A. Laskin
Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA, USA
N. Laulainen
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
R. D. Marchbanks
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
C. Mazzoleni
Atmospheric Science Program, Michigan Technological University, Houghton, MI, USA
F. Mei
Brookhaven National Laboratory, Upton, NY, USA
R. C. Moffet
University of the Pacific, Stockton, CA, USA
D. Nelson
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
M. D. Obland
NASA Langley Research Center, Hampton, VA, USA
H. Oetjen
Department of Chemistry and Biochemistry, University of Colorado at Boulder, CO, USA
T. B. Onasch
Aerodyne Research, Inc., Billerica, MA, USA
I. Ortega
Department of Chemistry and Biochemistry, University of Colorado at Boulder, CO, USA
M. Ottaviani
NASA Postdoctoral Program Fellow, NASA Goddard Institute for Space Studies, New York, NY, USA
M. Pekour
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
K. A. Prather
University of California, San Diego, CA, USA
J. G. Radney
Portland State University, Portland, OR, USA
R. R. Rogers
NASA Langley Research Center, Hampton, VA, USA
S. P. Sandberg
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
A. Sedlacek
Brookhaven National Laboratory, Upton, NY, USA
C. J. Senff
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
G. Senum
Brookhaven National Laboratory, Upton, NY, USA
A. Setyan
Department of Environmental Toxicology, University of California, Davis, CA, USA
J. E. Shilling
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
M. Shrivastava
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
C. Song
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
S. R. Springston
Brookhaven National Laboratory, Upton, NY, USA
R. Subramanian
Droplet Measurements Technologies, Boulder, CO, USA
K. Suski
University of California, San Diego, CA, USA
J. Tomlinson
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
R. Volkamer
Department of Chemistry and Biochemistry, University of Colorado at Boulder, CO, USA
H. W. Wallace
Washington State University, Pullman, WA, USA
J. Wang
Brookhaven National Laboratory, Upton, NY, USA
A. M. Weickmann
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA
D. R. Worsnop
Aerodyne Research, Inc., Billerica, MA, USA
X.-Y. Yu
Atmospheric Sciences & Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
A. Zelenyuk
Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, Richland, WA, USA
Q. Zhang
Department of Environmental Toxicology, University of California, Davis, CA, USA
Abstract. Substantial uncertainties still exist in the scientific understanding of the possible interactions between urban and natural (biogenic) emissions in the production and transformation of atmospheric aerosol and the resulting impact on climate change. The US Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) program's Carbonaceous Aerosol and Radiative Effects Study (CARES) carried out in June 2010 in Central Valley, California, was a comprehensive effort designed to improve this understanding. The primary objective of the field study was to investigate the evolution of secondary organic and black carbon aerosols and their climate-related properties in the Sacramento urban plume as it was routinely transported into the forested Sierra Nevada foothills area. Urban aerosols and trace gases experienced significant physical and chemical transformations as they mixed with the reactive biogenic hydrocarbons emitted from the forest. Two heavily-instrumented ground sites – one within the Sacramento urban area and another about 40 km to the northeast in the foothills area – were set up to characterize the evolution of meteorological variables, trace gases, aerosol precursors, aerosol size, composition, and climate-related properties in freshly polluted and "aged" urban air. On selected days, the DOE G-1 aircraft was deployed to make similar measurements upwind and across the evolving Sacramento plume in the morning and again in the afternoon. The NASA B-200 aircraft, carrying remote sensing instruments, was also deployed to characterize the vertical and horizontal distribution of aerosols and aerosol optical properties within and around the plume. This overview provides: (a) the scientific background and motivation for the study, (b) the operational and logistical information pertinent to the execution of the study, (c) an overview of key observations and initial findings from the aircraft and ground-based sampling platforms, and (d) a roadmap of planned data analyses and focused modeling efforts that will facilitate the integration of new knowledge into improved representations of key aerosol processes and properties in climate models.
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How to cite. Zaveri, R. A., Shaw, W. J., Cziczo, D. J., Schmid, B., Ferrare, R. A., Alexander, M. L., Alexandrov, M., Alvarez, R. J., Arnott, W. P., Atkinson, D. B., Baidar, S., Banta, R. M., Barnard, J. C., Beranek, J., Berg, L. K., Brechtel, F., Brewer, W. A., Cahill, J. F., Cairns, B., Cappa, C. D., Chand, D., China, S., Comstock, J. M., Dubey, M. K., Easter, R. C., Erickson, M. H., Fast, J. D., Floerchinger, C., Flowers, B. A., Fortner, E., Gaffney, J. S., Gilles, M. K., Gorkowski, K., Gustafson, W. I., Gyawali, M., Hair, J., Hardesty, R. M., Harworth, J. W., Herndon, S., Hiranuma, N., Hostetler, C., Hubbe, J. M., Jayne, J. T., Jeong, H., Jobson, B. T., Kassianov, E. I., Kleinman, L. I., Kluzek, C., Knighton, B., Kolesar, K. R., Kuang, C., Kubátová, A., Langford, A. O., Laskin, A., Laulainen, N., Marchbanks, R. D., Mazzoleni, C., Mei, F., Moffet, R. C., Nelson, D., Obland, M. D., Oetjen, H., Onasch, T. B., Ortega, I., Ottaviani, M., Pekour, M., Prather, K. A., Radney, J. G., Rogers, R. R., Sandberg, S. P., Sedlacek, A., Senff, C. J., Senum, G., Setyan, A., Shilling, J. E., Shrivastava, M., Song, C., Springston, S. R., Subramanian, R., Suski, K., Tomlinson, J., Volkamer, R., Wallace, H. W., Wang, J., Weickmann, A. M., Worsnop, D. R., Yu, X.-Y., Zelenyuk, A., and Zhang, Q.: Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES), Atmos. Chem. Phys., 12, 7647–7687, https://doi.org/10.5194/acp-12-7647-2012, 2012.
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