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Table 4 Flow parameters determined from planimetric method

From: Mapping and measuring lava volumes from 2002 to 2009 at El Reventador Volcano, Ecuador, from field measurements and satellite remote sensing

Phase Flow number Start date dd.mm.yy Duration (days) Volume (x 106 m3) % SiO2 Effusion rate (m3/day)
A 1 09.11.02 9 26.3 56–58a 2.9 × 106
A 2 18.11.02 5 6.5 53–55a 1.3 × 106
B 3 21.11.04 8 6.6 55–56a 8.2 × 105
B 4 02.04.05 9 5.6 55a 6.3 × 105
B 5 18.05.05 10 7.2 55a 7.2 × 105
B 6 19.07.05 4 0.6 54a 1.5 × 105
B 7 14.09.05 7 0.1 1.8 × 104
C 8 25.03.07 11 4.6 52–53 8.7 × 105
C 9 09.04.07 9 3.2 53
C 10 02.08.07 10 0.2 53 2.0 × 104
D 11 28.07.08 8 14.1 54 1.8 × 106
D 12 05.11.08 5 1.7 54 3.5 × 105
D 13 11.11.08 3 1.9 55 6.2 × 105
D 14 23.04.09 6 3.7 55 6.1 × 105
D 15 02.05.09 5 0.2 3.9 × 104
D 16 04.10.09 3 3.4 55 1.1 × 106
D 17 02.10.09 5 1.9 54 3.7 × 105
  1. aSiO2 % from Samaniego et al. 2008