Instrument Type	PI	Period and coverage	References
Early post-Pinatubo period datasets
Airborne lidar on NASA Electra Pinatubo aerosol survey flights
Nd:YAG lidar (532 nm): backscatter and depolarisation (for ash within plume)	David Winker (NASA Langley)	8^th to 14^th July 1991 flights (9.5°S to 16°N, 46°W-67°W) 21^st to 26^th May 1992 – Pinatubo aerosol survey legs from 52°S to 37°N	Winker, D. M. & Osborne, M. T. (1992a), Airborne lidar observations of the Pinatubo volcanic plume, Geophys. Res. Lett., vol. 19, no. 2, 167-170. Winker, D. M. & Osborne, M. T. (1992b), Preliminary analysis of observations the Pinatubo volcanic plume with polarization-sensitive lidar, Geophys. Res. Lett., vol. 19, no. 2, 171-.174.
Ship-borne lidar on Russian Zubov (July-Sep 1991) and Vize (Jan-Feb 1992) vessels
Zubov: yttrium-aluminium (539nm), Vize: dye-R6W (589nm): backscatter only	Phillippe Keckhut, (LATMOS, U. Versailles Saint-Quentin, France)	Zubov Jul 1991 (39°N to 19 °N; 16 soundings in the month), Aug 1991 (21°N to 10 °N; 18 soundings in the month), Sep 1991 (8°N to 43 °N; 14 soundings in the month) Vize Jan 1992 (8°S to 14 °N; 6 soundings in the month), Feb 1992 (20°N to 59 °N; 5 soundings in the month)	Avdyushin, S. I., G. F. Tulinov, M. S. Ivanov, B. N. Kuzmenko, I. R. Mezhuev, B. Nardi, A. Hauchecorne and M.-L. Chanin, 1.Spatial and temporal evolution of the optical thickness of the Pinatubo aerosol cloud in the Northern Hemisphere from a network of shipborne and stationary lidars. Geophys. Res. Lett., 20, 1963-1966, 1993 Nardi, B., M.-L. Chanin, A. Hauchecorne, S. I. Avdyushin, G. F. Tulinov, M. S. Ivanov, B. N. Kuzmenko, and I. R. Mezhuev, 1993: Morphology and dynamics of the Pinatubo aerosol layer in the Northern Hemisphere as detected from a ship-borne lidar. Part II. Geophys. Res. Lett., 20, 1967–1970.
Ship-borne lidar (Penn. State Univ.) on German Polarstern vessel (Oct 1991 to Jan 1992)
Nd:YAG lidar (1064, 532 and 355nm)	Russ Philbrick (Carolina State Univ., USA)	LADIMAS campaign Sep91 to Jan92 (70°N to 65°S); at least 24 measurements nights are reported but No inventory or list of measurements days is yet available. Penn State University Apr92 to May92 (41°N); after the LADIMAS campaign the lidar was returned to Penn. State Univ. and the Pinatubo aerosol measured with the same lidar from this site. No inventory or list of measurements days are yet available.	Philbrick, C. W., Lysak, D. B., Stevens, T. D., Haris P. A. T. and Rau, Y.-C. Atmospheric measurements using the LAMP lidar during the LADIMAS campaign, Extended Abstracts of the 16^th International Laser Radar Conference, Cambridge, Massachussetts, July 20^th-24^th 1992 (NASA Conference Publication 3158, part 2; ed. M. P. McCormick), 651-654. Stevens, T.D., Haris, P. A. T., Rau, Y.-C. and Philbrick, C. R. (1994) "Latitudinal Lidar Mapping of Stratospheric Particle Layers", Adv. Space Res., 14, n 9, 193-198. Harris, R.S.; Mathur, S.L. ; Philbrick, C.R., Optical properties and distribution of stratospheric aerosols. Combined Optical-Microwave Earth and Atmosphere Sensing, 1995. Conference Proceedings. DOI: 10.1109/COMEAS.1995.472375, 167-169, 1995.
Ground-based lidar at Aspendale, Melbourne, Australia (38°S), Jul 1991 to Dec 1992
Nd:YAG lidar (355nm, 532nm) – with polarisers on some soundings.	Stuart Young (CSIRO Aspendale)	July 1991 – 1 sounding (19^thJuly) Aug 1991 – 9 soundings (5^th, 12^th, 13^th, 21^st (x2), 26^th, 28^th (x2), 29^th Aug 1991) Sep 1991 – 9 soundings (5^th (x3), 6^th, 9^th, 12^th, 16^th, 23^rd and 30^th Sep 1991) Oct 1991 – 5 soundings (3^rd , 11^th (x2), 23^rd (x2) Oct 1991) Nov 1991 – 2 soundings (12^th and 22^nd Nov 1991) Dec 1991 – 1 sounding (6^th Dec 1991) Jan 1992 – 3 soundings (29^th, 30^th Jan 1992) Feb, Mar and Apr 1992 – 1 sounding in each month May 1992 – 6 soundings (20^th, 22^nd (x2), 25^th, 29^th (x2) May 1992) Jun, Jul, Aug, Sep, Oct, Nov, Dec 1992 – 1 sounding in each month	Barton, I. J., Prata, A. J., Watterson, I. G. and Young, S. A. (1992): Identification of the Mt Hudson volcanic cloud over SE Australia, Geophys. Res. Lett., vol. 19, no. 12, 1211-1214. Young, S. A., Manson, P. J. and Patterson, G. R. (1992): Southern hemisphere lidar measurements of the aerosol clouds from Mt Pinatubo and Mt Hudson, Extended Abstracts of the 16^th International Laser Radar Conference, Cambridge, Massachussetts, July 20^th-24^th 1992 (NASA Conference Publication 3158, part 1; ed. M. P. McCormick), 3-6.
1. Ground-based lidar at Aberystwyth, Wales, U.K. (52°N) -- Aug 1991 to March 1992
Nd:YAG lidar (532nm) with polarisers on all soundings for ash within plume	Geraint Vaughan (University of Manchester)	Aug 1991 -- 5 soundings (14^th, 17^th, 18^th, 25^th and 29^th Aug 1991) Sep 1991 -- 6 soundings (4^th, 11^th, 12^th, 16^th and 19^th Sep 1991) Oct 1991 – 11 soundings (1^st, 3^rd, 5^th, 12^th, 15^th, 16^th, 18^th, 19^th, 22^nd, 28^th, 31^st) Nov 1991 – 5 soundings (8^th, 11^th, 19^th, 20^th, 29^th Nov 1991) Dec 1991 – 11 soundings (1^st, 6^th, 7^th, 8^th, 9^th, 10^th, 11^th, 13^th, 14^th, 18^th, 23^rd) Jan 1992 – 13 soundings (10^th, 12^th, 14^th, 16^th, 20^th-23^rd, 25^th, 27^th-30^th) Feb 1992 -- 4 soundings (12^th, 20^th, 25^th, 28^th Feb 1992) Mar 1992 -- 6 soundings (1^st, 7^th, 8^th, 23^rd, 24^th and 30^th Mar 1992)	Vaughan, G. et al. (1994) Lidar measurements of Mt. Pinatubo aerosols at Aberystwyth from August 1991 through March 1992, Geophys. Res. Lett., vol. 21, no. 13, 1315-1318.