Airborne Measurement in the Ash Plume from Mount Sakurajima: Analysis of Gravitational Effects on Dispersion and Fallout

Table 4

Eyjafjallajökull plumes in [30].

Date	April 17	May 4	May 7	May 8	May 10
Wind m/s	10	12	15	15	12
km^1	2,5	2,8	2,5	2,7	2,3
(90)^2	10,8	10,8	7,2	7,7	7,5
Correlation	0,99	0,99	0,97	0,96	0,98
Rms km	0,61	0,68	0,52	0,60	0,50
secs	703	702	911	907	908
	0,506	0,566	0,302	0,326	0,275
Temp°C^3	2	2	4	5	2
Vel. Corr.	0,275	0,291	0,151	0,140	0,203

Optimized, ²full width 90 km downwind, ³inversion temp. diff, Keflavik airport.