BERNHARD G. UV/SPECT SUMMIT UV 01-DEC-2004 00:00:0004-DEC-2004 24:00:000002 65 1010 Bernhard, Germar Biospherical Instruments Inc, 5340 Riley Street, San Diego, CA 92110, USA. UV spectral irradiance at Summit measured with a SUV-150B spectroradiometer NDACC 1 1 2004 12 01 2010 03 03 0 Day of Year including decimal fraction (DDD.fffff). Noon on 1 January is 1.5. All dates and times are in UT. 6 1 1 1 1 1 1 9.999E+09 9.999E+09 9.999E+09 9.999E+09 9.999E+09 9.999E+09 290-315 nm UVB (W m-2) 315-400 nm UVA (W m-2) Erythemal UV (W m-2), CIE according to McKinlay and Diffey (1987) DNA-weighted UV (W m-2), Bernhard and Seckmeyer (1997) formulation of Setlow (1974) Generalised Plant (W m-2), Green et al. (1974) formulation of Caldwell (1971), normalized to 1 at 300 nm Vitamin D production (W m-2), Bouillon et al. (2006), truncated at 315 nm 16 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9999 99 99 99999.99999 99 99 99 99 99 99 99 99 99.9 99 9 9 Year (YYYY) All times UT Month (MM) Day of month (DD) Days since 1-January 1900 (= Day 1) and fraction of days (DDDDD.fffff) Hour start spectrum (hh) Minute start spectrum (mm) Hour when radiometer measures at 310 nm (hh) Minute when radiometer measures at 310 nm (mm) Second when radiometer measures at 310 nm (ss) Hour when radiometer measures at 360 nm (hh) Minute when radiometer measures at 360 nm (mm) Second when radiometer measures at 360 nm (ss) Solar zenith angle when radiometer measures at 310 nm (degree) Data volume Sky condition (0 = undetermined, 1 = clearsky) Quality flag (0 = no problem, 1 = problem; see comment below) 0 26 Spectrally weighted irradiance measured at the surface. Full-resolution spectral data measured between 280 and 600 nm are available at http://www.biospherical.com/NSF Location: Summit; Latitude: 72.58N; Longitude: 38.45W; Elevation: 3202m Contact: e-mail: bernhard(at)biospherical.com, ph: +1 619 686 1888 References A complete list of references is available at http://www.biospherical.com/nsf/references.asp Overview: Bernhard, G., C. R. Booth, J. C. Ehramjian, and V. V. Quang (2008), NSF Polar Programs UV Spectroradiometer Network 2006-2007 Operations Report Volume 16.0, Biospherical Instruments Inc., San Diego, available at http://www.biospherical.com/NSF. Bernhard, G., C. R. Booth, and J. C. Ehramjian (2010), Climatology of ultraviolet radiation at high latitudes derived from measurements of the National Science Foundation's Ultraviolet Spectral Irradiance Monitoring Network, in: UV radiation in global climate change: measurements, modeling and effects on ecosystems, edited by W. Gao, D. L. Schmoldt, and J. R. Slusser, 544 pp., Tsinghua University Press, Beijing and Springer, New York, ISBN 978-3-642-03312-4. Data reduction: Bernhard, G., C. R. Booth, and J. C. Ehramjian (2004), Version 2 data of the National Science Foundation's Ultraviolet Radiation Monitoring Network: South Pole, J. Geophys. Res., 109, D21207, doi:10.1029/2004JD004937. Specific to data of Summit: Bernhard, G., C. R. Booth, and J. C. Ehramjian (2008), Comparison of UV irradiance measurements at Summit, Greenland; Barrow, Alaska; and South Pole, Antarctica, Atmos. Chem. Phys., 8, 4799-4810. Comparison with NDACC instruments: Wuttke S., G. Seckmeyer, G. Bernhard, J. Ehramjian, R. McKenzie, P. Johnston, and M. O'Neil (2006), New spectroradiometers complying with the NDSC standards, J. Atmos. Ocean. Tech., 23(2), 241-251. DECDAY < Date > SZA Vol Sky Flag UVB UVA UVEry UVDNA UVPlant UVVitD (all in Wm-2) ********************************************************************************* 336.56252 2004 12 01 38322.56252 13 30 13 34 13 13 37 17 94.8 14 0 0 9.999E+09 1.269e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 336.57293 2004 12 01 38322.57293 13 45 13 49 13 13 52 15 94.7 14 0 0 9.999E+09 1.610e-02 8.890e-06 9.999E+09 9.999E+09 9.999E+09 336.58335 2004 12 01 38322.58335 14 00 14 04 12 14 07 11 94.5 14 0 0 9.999E+09 1.819e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 336.59378 2004 12 01 38322.59378 14 15 14 19 13 14 22 13 94.5 14 0 0 9.999E+09 1.930e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 336.60418 2004 12 01 38322.60418 14 30 14 34 12 14 37 13 94.5 14 0 0 9.999E+09 1.927e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 336.61461 2004 12 01 38322.61461 14 45 14 49 14 14 53 14 94.6 14 0 0 9.999E+09 1.683e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 336.62502 2004 12 01 38322.62502 15 00 15 04 11 15 07 10 94.8 14 0 0 9.999E+09 1.369e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 337.57294 2004 12 02 38323.57294 13 45 13 49 13 13 52 43 94.8 14 0 0 9.999E+09 1.312e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 337.58335 2004 12 02 38323.58335 14 00 14 04 13 14 07 10 94.7 14 0 0 9.999E+09 1.493e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 337.59377 2004 12 02 38323.59377 14 15 14 19 12 14 22 44 94.6 14 0 0 9.999E+09 1.594e-02 9.116e-06 9.999E+09 9.999E+09 9.999E+09 337.60419 2004 12 02 38323.60419 14 30 14 34 12 14 37 18 94.7 14 0 0 9.999E+09 1.545e-02 1.044e-05 9.999E+09 9.999E+09 9.999E+09 337.61461 2004 12 02 38323.61461 14 45 14 49 11 14 52 11 94.7 14 0 0 9.999E+09 1.378e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 338.58335 2004 12 03 38324.58335 14 00 14 04 15 14 07 15 94.8 14 0 0 9.999E+09 1.356e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 338.59377 2004 12 03 38324.59377 14 15 14 19 14 14 22 43 94.8 14 0 0 9.999E+09 1.422e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 338.60418 2004 12 03 38324.60418 14 30 14 34 13 14 37 13 94.8 14 0 0 9.999E+09 1.381e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 338.61461 2004 12 03 38324.61461 14 45 14 49 12 14 52 11 94.9 14 0 0 2.245e-05 1.238e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 339.59377 2004 12 04 38325.59377 14 15 14 19 12 14 22 48 94.9 14 0 0 9.999E+09 1.230e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09 339.60418 2004 12 04 38325.60418 14 30 14 34 11 14 37 40 94.9 14 0 0 9.999E+09 1.179e-02 9.999E+09 9.999E+09 9.999E+09 9.999E+09