Open Access
Table 1
Summary of TEXES observations used for the analysis of the SO2 plumes (2012–2018).
| Date | Time | SEP | Max SO2 | Min SO2 | SSP. | SEP | Max SO2 | Min SO2 | Max SO2 | Min SO2 | SO2vmr |
|---|---|---|---|---|---|---|---|---|---|---|---|
| of obs. | (UT) | E. long. | E. long. | E. long. | E. long. | LT (h) | LT (h) | LT (h) | Latitude | Latitude | (ppbv) |
| 2012/01/10 | 03:30 | 7.8 | 22.7 | 352.7 | 60.2 | 15.5 | 16.5 | 14.5 | 10S | 20S | 300 |
| 2012/01/11 | 03:30 | 10.5 | 25.8 | 348.3 | 63.3 | 15.5 | 17.0 | 14.5 | 0 | 20S | 500 |
| 2012/01/12 | 19:51 | 13.2 | 13.8 | 343.8 | 66.3 | 15.5 | 17.5 | 15.5 | 0 | 10S | 330 |
| 2012/10/05 | 16:55 | 234.9 | 261.5 | 209.0 | 171.5 | 7.8 | 9.5 | 6.0 | 20N | 0 | 200 |
| 2014/02/26 | 17:35 | 50.4 | 47.4 | 17.4 | 302.4 | 4.8 | 7.0 | 5.0 | 10N | 0 | 70 |
| 2014/02/28 | 19:22 | 55.0 | 83.7 | 53.7 | 308.7 | 4.9 | 5.0 | 3.0 | 5N | 0 | 100 |
| 2014/07/06 | 17:01 | 24.3 | 27.0 | 12.0 | 341.7 | 9.2 | 10.0. | 9.0 | 5N | 5S | 200 |
| 2014/07/07 | 16:49 | 27.0 | 59.8 | 29.8 | 344.8 | 9.2 | 9.0 | 7.0 | 15N | 10S | 200 |
| 2014/07/08 | 16:42 | 29.7 | 77.8 | 47.8 | 347.8 | 9.2 | 8.0 | 6.0 | 30N | 15N | 200 |
| 2014/07/09 | 17:03 | 32.4 | 65.9 | 35.9 | 350.9 | 9.2 | 9.0 | 7.0. | 30N | 15N | 150 |
| 2015/03/28 | 00:21 | 22.8 | 76.9 | 31.9 | 76.9 | 15.6 | 15.0 | 12.0 | 10N | 10S | 150 |
| 2016/01/13 | 18:05 | 310.0 | 2.7 | 317.7 | 257.7 | 8.5 | 8.0 | 5.0 | 15N | 15S | 360 |
| 2016/01/14 | 19:09 | 312.7 | 358.6 | 313.6 | 261.1 | 8.6 | 8.5 | 5.5 | 15N | 10N | 420 |
| 2016/01/15 | 18:01 | 315.3 | 346.4 | 316.4 | 263.9 | 8.6 | 5.0 | 2.6 | 10S | 30S | 270 |
| 2016/01/16 | 19:33 | 318.0 | 19.7 | 334.7 | 267.2 | 8.6 | 7.5 | 4.5 | 20N | 0 | 360 |
| 2016/01/17 | 18:04 | 320.7 | 45.1 | 360.1 | 270.1 | 8.6 | 6.0 | 3.0 | 20N | 10S | 420 |
| 2016/01/18 | 19:14 | 323.5 | 295.8 | 250.8 | 273.3 | 8.7 | 13.5 | 10.5 | 15N | 15S | 420 |
| 2016/01/19 | 18:08 | 326.1 | 51.3 | 366.3 | 276.3 | 8.7 | 6.0 | 3.0 | 30N | 20S | 420 |
| 2016/01/20 | 17:43 | 328.8 | 31.9 | 324.4 | 279.4 | 8.7 | 9.0 | 4.5 | 30N | 0 | 420 |
| 2016/01/21 | 20:49 | 331.9 | 290.1 | 245.1 | 282.8 | 8.7 | 14.5 | 11.5 | 10N | 10S | 420 |
| 2016/12/16 | 22:38 | 144.0 | 204.1 | 174.1 | 219.1 | 17.0 | 15.0 | 13.0 | 10N | 10S | 480 |
| 2016/12/22 | 00:33 | 157.3 | 197.2 | 144.7 | 234.7 | 17.2 | 18.0 | 14.5 | 15N | 15S | 480 |
| 2016/12/23 | 00:18 | 159.8 | 102.7 | 69.7 | 237.7 | 17.2 | 23.2 | 21.0. | 25N | 10S | 500 |
| 2017/01/20 | 23:00 | 233.1 | 192.2 | 159.2 | 327.2 | 18.3 | 19.5 | 16.5 | 15N | 15S | 600 |
| 2017/01/21 | 02:31 | 233.3 | 259.9 | 214.9 | 327.4 | 18.3 | 23.2 | 21.0 | 15N | 15S | 540 |
| 2017/01/22 | 01:05 | 235.7 | 325.0 | 195.5 | 330.5 | 18.3 | 21.0 | 16.0 | 15N | 10S | 480 |
| 2017/07/13 | 17:08 | 212.1 | 302.0 | 263.0 | 143.0 | 7.0 | 4.0 | 1.4 | 15N | 15S | 480 |
| 2018/07/16 | 04:19 | 123.6 | 130.0 | 90.0 | 197.4 | 18.0 | 18.0 | 20.0 | 30N | 20N | 450 |
| 2018/07/17 | 02:14 | 126.0 | 215.0 | 170.0 | 200.2 | 18.0 | 12.0 | 14.0 | 30N | 30S | 500 |
| 2018/07/18 | 04:39 | 128.6 | 125.0 | 100.0 | 203.3 | 19.0 | 19.0 | 20.0 | 5S | 10S | 800 |
| 2018/09/18 | 01:44 | 277.1 | 295.0 | 250.0 | 33.4 | 20.0 | 19.0 | 21.0 | 15N | 15S | 360 |
| 2018/09/21 | 22:32 | 284.8 | 330.0 | 300.0 | 45.3 | 20.0 | 17.0 | 19.0 | 15N | 15S | 450 |
| 2018/09/22 | 22:15 | 286.6 | 290.0 | 200.0 | 48.2 | 20.0 | 22.0 | 2.0 | 30N | 30S | 420 |
| 2018/09/23 | 22:41 | 288.5 | 215.0 | 200.0 | 51.3 | 20.0 | 0.0 | 2.0 | 20N | 10N | 300 |
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