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Column and vertical profiles of chlorine monoxide from a heterodyne spectrometer
Entry ID: K085_1996_2008_NZ_2


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Summary
Abstract: A microwave experiment was installed at Scott Base to measure microwave emission of atmospheric chlorine monoxide (ClO) near 1.1 mm wavelength by a heterodyne spectrometer. The heterodyne techniques allows very high spectral resolution revealing the details of the pressure-broadened line shape. Because the line is pressure broadened, its shape is sensitive to the vertical distribution of the ClO and that distrubtion can be retrieved with vertical resolution of about 10km. The data (raw = times and recorded microwave emission spectra, derived = column amounts and vertical profile information of chlorine monoxide (ClO)) are held at SUNY and in the NDACC database.

Related URL
Link: GET DATA
Link: GET DATA
Description: The data is submitted to the international Network for the Detection of Atmospheric Composition Change (NDACC). This public record is available through an anonymous ftp or by a clickable map linking sites with data directories.


Link: GET DATA
Description: The data is submitted to the World Ozone and Ultraviolet Data Center (Toronto, Canada)


Link: VIEW PROJECT HOME PAGE
Description: NIWA's Antarctic atmospheric homepage


Link: VIEW RELATED INFORMATION
Description: The World Meterological Organisation homepage.


Geographic Coverage
 N: -77.85 S: -77.85  E: 166.75  W: 166.75
 Min Altitude: 200  Max Altitude: 100000

Temporal Coverage
Start Date: 1996-01-01


Location Keywords
CONTINENT > ANTARCTICA
CONTINENT > ANTARCTICA > ROSS ISLAND
CONTINENT > ANTARCTICA > SCOTT BASE
GEOGRAPHIC REGION > POLAR


Science Keywords
ATMOSPHERE >ATMOSPHERIC CHEMISTRY >HALOCARBONS AND HALOGENS >CHLORINE MONOXIDE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Platform
GROUND STATIONS    [Information]


Instrument
SPECTROMETERS    [Information]


Project
NDACC >The international Network for the Detection of Atmospheric Composition Change    [Information]


Quality
The data (raw = times and recorded microwave emission spectra, derived = column amounts and vertical profile information of chlorine monoxide (ClO)) are held at the State University of New York (SUNY), in the NDACC database and at NIWA.


Keywords
chlorine monoxide
vertical distribution
atmospheric emissions


Data Set Progress
IN WORK


Originating Center
National Institute of Water and Atmospheric Research Ltd. (NIWA)


Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand    [Information]
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Personnel
STEPHEN W WOOD
Role: INVESTIGATOR
Phone: +64 3 440 0426
Fax: +64 3 447 3348
Email: s.wood at niwa.co.nz
Contact Address:
National Institute of Water and Atmospheric Research Ltd (NIWA)
Lauder
Private Bag 50061
City: Omakau
Province or State: Central Otago
Country: New Zealand


CEISHA POIROT
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: c.poirot at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


SHULAMIT GORDON
Role: DIF AUTHOR
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand


Publications/References
Keys, J.G. Wood, S.W. Liu, X. Murcray, F.J. de Zafra, R.L. Shindell, D.T. Partitioning of stratospheric chlorine during Antarctic spring as seen from ground-based infrared solar absorption and microwave observations. in: Atmospheric ozone : proceedings of the XVIII Quadrennial Ozone Symposium, L'Aquila, Italy 12-21 September 1996. Visconti G. Bojkov R.D. (eds) L’Aquila, Italy: Parco Scientifico e Technologico d’Arbuzzio. 1998. pp.213-216

Solomon, P.M. Barrett, J. Connor, B.J. Zoonematkermani, S. Parrish, A. Lee, A. Pyle, J. Chipperfield, M. Seasonal observations of chlorine monoxide in the stratosphere over Antarctica during the 1996-1998 ozone holes and comparison with the SLIMCAT three-dimensional model. Journal of geophysical research 105(D23): 28979-29001, 2000.

Solomon, P. Connor, B. Barrett, J. Mooney, T. Lee, A. Parrish, A. Measurements of stratospheric ClO over Antarctica in 1996-2000 and implications for ClO dimer chemistry. Geophysical research letters 29(25), 2002.

Matthews, W.A. Connor, B.J. Wood, S.W. Jones, N.B. Keys, J.G. Chlorine in the southern hemisphere: partitioning at high latitudes. in: Proceedings of the International Workshop on Stratospheric Change and its Role in Climate. Japan: Meteorological Research Institute. 1998. pp.130-132

Connor B. J., T. Mooney, J. Barrett, P. Solomon, A. Parrish, M. Santee (2007), Comparison of ClO measurements from the Aura Microwave Limb Sounder to ground-based microwave measurements at Scott Base, Antarctica, in spring 2005, J. Geophys. Res., 112, D24S42, doi:10.1029/2007JD008792.

Connor, B., Solomon, P., Barrett, J., Mooney, T. And Parrish, A. 2007. Observations of chlorine monoxide over Scott Base, Antarctica, during the ozone hole, 1996-2005, in Antarctica: A Keystone in a changing world. Online proceedings of the 10th ISAES. Cooper, A.K., and Raymond, C.R., et al (Eds). USGS Open File Report 2007-1047, 4 pp. DOI: 10.3133/of2007-1047.srp077

Creation and Review Dates
DIF Creation Date: 2009-02-03
Last DIF Revision Date: 2009-02-09


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