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Report on Atmospheric Effects (1995-2001) — December 1998

Bulletin of the Global Volcanism Network, vol. 23, no. 12 (December 1998)
Managing Editor: Richard Wunderman.

Atmospheric Effects (1995-2001) Lidar data from Garmisch-Partenkirchen, Germany

Please cite this report as:

Global Volcanism Program, 1998. Report on Atmospheric Effects (1995-2001). In: Wunderman, R. (ed.), Bulletin of the Global Volcanism Network, 23:12. Smithsonian Institution.



Atmospheric Effects (1995-2001)

All times are local (unless otherwise noted)


Atmospheric lidar measurements from Germany (table 16) from July through December 1998 showed no significant change compared to levels recorded earlier in 1998 (Bulletin v. 23, no. 6). Layer altitudes were in the 12-29 km range, with peaks at 14.0-21.9 km.

Table 16. Lidar data from Germany (July-December 1998) showing altitudes of aerosol layers. Backscattering ratios are for the Nd-YAG wavelength of 532 nm, with the equivalent ruby values (690 nm) in parentheses. Courtesy of Horst Jäger.

DATE LAYER ALTITUDE (km) (peak) BACKSCATTERING RATIO BACKSCATTERING INTEGRATED
Garmisch-Partenkirchen, Germany (47.5°N, 11.0°E)
29 Jul 1998 14-29 (16.6) 1.05 (1.09) --
06 Aug 1998 12-28 (15.4) 1.06 (1.11) --
19 Aug 1998 12-30 (14.0) 1.06 (1.12) --
26 Aug 1998 12-29 (14.6) 1.07 (1.13) --
09 Sep 1998 13-27 (15.5) 1.10 (1.19) --
22 Sep 1998 15-29 (19.8) 1.04 (1.08) --
25 Sep 1998 12-30 (21.9) 1.04 (1.08) --
13 Oct 1998 11-30 (15.2) 1.06 (1.12) --
16 Oct 1998 12-24 (15.9) 1.04 (1.09) --
18 Nov 1998 11-29 (14.9) 1.06 (1.11) --
08 Dec 1998 12-27 (17.9) 1.08 (1.15) --

Information Contacts: Horst J├Ąger, Fraunhofer-Institut fuer Atmosphaerische, Umweltforschung, IFU, Kreuzeckbahnstr., 19 D-82467, Garmisch-Partenkirchen, Germany.