Atmospheric Chemistry and Physics Discussions
www.atmos-chem-phys-discuss.net
1680-7367
1680-7375
8
1
2008
10.5194/acpd-8-3383-2008
http://www.atmos-chem-phys-discuss.net/8/3383/2008/
http://www.atmos-chem-phys-discuss.net/8/3383/2008/acpd-8-3383-2008.html
http://www.atmos-chem-phys-discuss.net/8/3383/2008/acpd-8-3383-2008.pdf
3383
3404
2008-02-18
Antarctic network of lamp-calibrated multichannel radiometers for continuous ozone and uv radiation data
A. Redondas
aredondas@inm.es
C. Torres
O. Meinander
K. Lakkala
R. García
E. Cuevas
H. Ochoa
G. Deferrari
S. Díaz
Instituto Nacional de Meteorología, Izaña Atmospheric Research Center, Spain
Finnish Meteorological Institute, Helsinki, Finland
Dirección Nacional del Antártico, Instituto Antártico Argentino, Buenos Aires, Argentina
Centro Austral de Investigaciones Científicas, Ushuaia, Argentina
Three NILU-UV multichannel radiometers have been installed in 1999 at the
Argentinian sites of Ushuaia (54S), Marambio (64S) and Belgrano-II (77S) in
order to continuously monitor UV radiation, photosynthetically active
radiation and total ozone. The measurements were established by INM, Spain
in collaboration with FMI, Finland, DNA-IAA, Argentina and CADIC, Argentina
to observe and characterize the spatial and temporal evolution of ozone and
ultraviolet radiation in the Antarctic region. Special attention has been
given to the quality control and quality assurance of the measurements under
harsh climatological conditions. The ozone and UV time series of 2000–2006
were calibrated using a polynomial fit for lamp measurements performed every
second week all year round. The gaps in these data are minimal, with almost
no data missing, and the data products are available from <a href="http://www.polarvortex.org" target="_blank">http://www.polarvortex.org</a> in near real time. The data products include the
erythemally-weighted UV, UVB and UVA radiation, photosynthetically active
radiation (PAR), total ozone (O<sub>3</sub>) and a cloud parameter (CLT). For UV
data, dose rates as well as daily doses are available; from these the
maximum measured UV indices (UVI), during 2000–2006, were 12.0, 9.7 and 8.1
at Ushuaia, Marambio and Belgrano-II, respectively.
Bernhard, G., Booth, C. R., and Ehramjian, J. C.: Real-time ultraviolet and column ozone from multichannel ultraviolet radiometers deployed in the national science foundation's ultraviolet monitoring network, Opt. Eng., 44, 1011–1012, 2005.
Bernhard, G., Booth, G. R., Ehramjian, J. C., and Quang, V. V.: Nsf polar programs uv spectroradiometer network 2003–2004 operations report, United States, National Science Foundation/Biospherical Instruments Inc, San Diego, CA, 2006.
Butchart, N., Austin, J., Knight, J. R., Scaife, A. A., and Gallani, M. L.: The response of the stratospheric climate to projected changes in the concentrations of well-mixed greenhouse gases from 1992 to 2051, J. Climate, 13, 2142–2159, 2000.
Dahlback, A.: Measurements of biologically effective uv doses, total ozone abundances, and cloud effects with multichannel, moderate bandwidth filter instruments, Appl. Optics, 35, 6514–6521, 1996.
Gröbner, J., Schreder, J., Kazadzis, S., Bais, A., Blumthaler, M., Garts, P., Tax, R., Koskela, T., Seckmeyer, G., Webb, A., and Rembges, D.: Traveling reference spectroradiometer for routine quality assurance of spectral solar ultraviolet irradiance measurements, Appl. Optics, 44, 5321–5331, 2005.
Hadjinicolaou, P., Pyle, J. A., and Harris, N. R. P.: The recent turnaround in stratospheric ozone over northern middle latitudes: A dynamical modeling perspective, Geophys. Res. Lett., 32, L12821, doi:10.1029/2005GL022476, 2005.
Höiskar, B., Haugen, R., Danielsen, T., Kylling, A., Edvardsen, K. R., Dahlback, A., Johnsen, B. R., Blumthaler, M., and Schreder, J.: Multichannel moderate-bandwidth filter instrument for measurement of the ozone-column amount, cloud transmittance, and ultraviolet dose rates, Appl. Optics, 42, 3472–3479, 2003.
Johnsen, B., Mikkelborg, O., Dahlback, A., Høiskar, B. A., Kylling, A., Edvardsen, K., Olseth, J. A., Kjeldstad, B., and Ørbǽk, J.: Quality control of the norwegian uv monitoring network, EGS XXVII General Assembly, Nice, 21–26 April 2002, abstract #1576, 27, 1576, 2002.
Lakkala, K., Redondas, A., Meinander, O., Torres, C., Koskela, T., Cuevas, E., Taalas, P., Dahlback, A., Deferrari, G., Edvardsen, K., and Ochoa, H.: Quality assurance of the solar uv network in the antarctic, J. Geophys. Res., 110, D15101, doi:10.1029/2004JD005584, 2005.
Mayer, B. and Kylling, A.: Technical note: The libradtran software package for radiative transfer calculations – description and examples of use, Atmos. Chem. Phys., 5, 1855–1877, 2005.
Meinander, O., Koskela, T., Lakkala, K., and Redondas, A.: Antarctic nilu-uv network linked to qasume and nsf irradiance scales, in: XX Quadrennial Ozone Symposium, Kos, Greece, 1128–1129, 2004.
Parrondo, M. C., Yela, M., Gil, M., von der Gathen, P., and Ochoa, H.: Mid-winter lower stratosphere temperatures in the antarctic vortex: Comparison between observations and ecmwf and ncep operational models, Atmos. Chem. Phys., 7, 435–441, 2007.
Steck, T., von Clarmann, T., Fischer, H., Funke, B., Glatthor, N., Grabowski, U., Höpfner, M., Kellmann, S., Kiefer, M., Linden, A., Milz, M., Stiller, G. P., Wang, D. Y., Allaart, M., Blumenstock, T., von der Gathen, P., Hansen, G., Hase, F., Hochschild, G., Kopp, G., Kyrö, E., Oelhaf, H., Raffalski, U., Marrero, R., Remsberg, E., Russell, J., Stebel, K., Steinbrecht, W., Wetzel, G., Yela, M., and Zhang, G.: Bias determination and precision validation of ozone profiles from mipas-envisat retrieved with the imk-iaa processor, Atmos. Chem. Phys., 7, 3639–3662, 2007.
Taalas, P., Damski, J., Kyr, E., Ginzburg, M., and Talamoni, G.: Effect of stratospheric ozone variations on uv radiation and on tropospheric ozone at high latitudes, J. Geophys. Res., 102, 1533–1540, 1997.
Torres, C., Redondas, A., Cuevas, E., Lakkala, K., and Taalas, P.: Correction and validation of total ozone data series from an antarctic multichannel filter radiometer solar uv network, EGS XXVII General Assembly, Nice, France, 21–26 April 2002, abstract# 6222, 27, 2002.
Weatherhead, E. and Andersen, S.: The search for signs of recovery of the ozone layer, Nature, 441, 39–45, 2006.
WMO (World Meteorological Organization): Scientific assessment of ozone depletion, Geneva,Switherland Global Ozone Research and Monitoring Project-50, 572 pp., 2007.
Yela, M., Parrondo, C., Rodr, S., Gil, M., Araujo, J., Ochoa, H., Diaz, S., Deferrari, G., and Reimer, E.: The 2002 antarctic vortex splitting as observed from visible spectroscopy and ozonesoundings, EGS – AGU – EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6–11 April 2003, abstract# 9093, 2003.