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Data Publisher for Earth & Environmental Science

Arason, Pordur; Petersen, G N; Bjornsson, H (2011): Statistics of radar altitude estimates of plume-top over time intervals of 6 hours [dataset]. Icelandic Meteorological Office, Reykjavik, PANGAEA, https://doi.org/10.1594/PANGAEA.760687, In supplement to: Arason, P et al. (2011): Observations of the altitude of the volcanic plume during the eruption of Eyjafjallajökull, April–May 2010. Earth System Science Data, 3(1), 9-17, https://doi.org/10.5194/essd-3-9-2011

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Coverage:
Latitude: 63.630000 * Longitude: -19.620000
Date/Time Start: 2010-04-14T06:00:00 * Date/Time End: 2010-05-24T00:00:00
Event(s):
Eyjafjallajökull * Latitude: 63.630000 * Longitude: -19.620000 * Date/Time Start: 2010-04-14T00:00:00 * Date/Time End: 2010-05-24T00:00:00 * Location: Iceland * Method/Device: Observation (OBSE)
Comment:
Radar did not detect plume when below about 2.9 km due to mountain ranges and curvature of the Earth.
Date/time (UTC) refer to the end of the time interval.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 DATE/TIMEDate/TimeGeocode
2 Number of scansScans#Arason, PordurRadarwith clearly defined plume height
3 Number of scansScans#Arason, PordurRadarwhere plume is clearly under minimum detection height
4 Number of scansScans#Arason, PordurRadarwhere plume is obscured by precipitating clouds
5 Number of scansScans#Arason, PordurRadarmissing in 5 min
6 Number of values averaged at time intervalN#Arason, PordurCalculated
7 Altitude, minimumAlt minkmArason, Pordurplume-top
8 Mean, statisticalMeanArason, Pordur- one standard deviation
9 Mean, statisticalMeanArason, Pordurplume-top altitude
10 Mean, statisticalMeanArason, Pordur+ one standard deviation
11 Altitude, maximumAlt maxkmArason, Pordur+ one standard deviation
12 Standard deviationStd dev±Arason, Pordurof the plume-top altitude
13 Quartile 25Q25Arason, Pordurof plume-top altitude, 25% of the measurements are below this value
14 Median, statisticalMedianArason, Pordurof plume-top altitude
15 Quartile 75Q75Arason, Pordurof plume-top altitude
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2240 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Date/Time		2 
Scans [#]
(with clearly defined plume he...)		3 
Scans [#]
(where plume is clearly under ...)		4 
Scans [#]
(where plume is obscured by pr...)		5 
Scans [#]
(missing in 5 min, Radar)		6 
N [#]
(Calculated)		7 
Alt min [km]
(plume-top)		8 
Mean
(- one standard deviation)		9 
Mean
(plume-top altitude)		10 
Mean
(+ one standard deviation)		11 
Alt max [km]
(+ one standard deviation)		12 
Std dev [±]
(of the plume-top altitude)		13 
Q25
(of plume-top altitude, 25% of...)		14 
Median
(of plume-top altitude)		15 
Q75
(of plume-top altitude)
2010-04-14T06:0006408642.52.52.52.52.50.02.52.52.5
2010-04-14T12:00363402702.52.34.97.68.82.72.54.18.3
2010-04-14T18:0069003695.36.27.69.09.41.46.08.68.7
2010-04-15T00:0064305672.54.65.46.29.10.85.35.45.5
2010-04-15T06:0072000724.14.85.35.76.00.45.25.45.4
2010-04-15T12:00454023492.54.55.46.46.10.95.65.75.8
2010-04-15T18:00381744112.52.13.03.94.60.92.52.53.3
2010-04-16T00:0002373322.52.52.52.52.50.02.52.52.5
2010-04-16T06:002621250472.52.53.64.86.11.22.54.04.6
2010-04-16T12:0066600722.53.85.06.28.61.24.75.25.4
2010-04-16T18:0060903692.53.75.06.48.71.44.85.45.6
2010-04-17T00:0072000724.05.26.27.28.61.05.65.96.1
2010-04-17T06:0072000724.95.46.78.18.51.35.46.28.0
2010-04-17T12:0072000724.94.76.17.48.31.35.15.38.0
2010-04-17T18:00220050225.05.05.15.25.40.15.05.05.1
2010-04-18T00:0072000724.94.55.36.18.20.85.05.15.2
2010-04-18T06:0072000722.94.14.95.88.50.84.85.15.2
2010-04-18T12:00234900722.52.23.03.75.10.72.52.53.9
2010-04-18T18:00923040322.52.22.73.25.00.52.52.52.9
2010-04-19T00:00225045272.52.32.62.94.00.32.52.52.5
2010-04-19T06:0017100722.52.52.52.62.90.02.52.52.5
2010-04-19T12:0027000722.52.32.52.84.00.22.52.52.5
2010-04-19T18:0007200722.52.52.52.52.50.02.52.52.5
2010-04-20T00:001241190532.52.12.93.75.10.82.52.52.5
2010-04-20T06:0007200722.52.52.52.52.50.02.52.52.5
2010-04-20T12:0076302702.52.32.62.93.90.32.52.52.5
2010-04-20T18:0027000722.52.32.52.74.10.22.52.52.5
2010-04-21T00:00165600722.52.22.83.44.20.62.52.52.5
2010-04-21T06:0007200722.52.52.52.52.50.02.52.52.5
2010-04-21T12:0007200722.52.52.52.52.50.02.52.52.5
2010-04-21T18:00135900722.52.22.73.24.90.52.52.52.5
2010-04-22T00:0076500722.52.32.62.93.80.32.52.52.5
2010-04-22T06:0017100722.52.52.52.52.80.02.52.52.5
2010-04-22T12:00215100722.52.32.73.24.50.52.52.52.8
2010-04-22T18:00452700722.52.53.23.94.90.72.52.83.8
2010-04-23T00:00393300722.52.53.13.73.80.62.52.83.8
2010-04-23T06:00116100722.52.32.63.03.80.42.52.52.5
2010-04-23T12:0007200722.52.52.52.52.50.02.52.52.5
2010-04-23T18:00165600722.52.22.73.24.90.52.52.52.5
2010-04-24T00:00215100722.52.22.83.35.10.52.52.52.7
2010-04-24T06:00106200722.52.32.62.93.80.32.52.52.5
2010-04-24T12:0046800722.52.42.52.73.80.22.52.52.5
2010-04-24T18:00621000722.52.83.54.24.90.72.83.83.8
2010-04-25T00:00353610712.52.43.03.75.10.62.52.53.8
2010-04-25T06:000171012.52.52.52.52.50.02.52.52.5
2010-04-25T12:002070022.82.63.34.03.80.73.03.33.5
2010-04-25T18:00171540182.53.64.75.75.61.14.15.25.5
2010-04-26T00:00280440284.14.95.15.45.50.25.15.15.2
2010-04-26T06:0072000722.94.34.85.35.40.54.94.95.1
2010-04-26T12:0063270652.53.94.45.05.40.54.24.34.9
2010-04-26T18:00304038342.53.34.45.45.51.03.94.55.4
2010-04-27T00:00611100722.53.03.84.64.90.83.83.83.8
2010-04-27T06:0083610112.52.73.44.03.80.62.63.83.8
2010-04-27T12:00521730692.52.73.33.93.90.62.63.73.8
2010-04-27T18:00145620702.52.22.73.34.30.52.52.52.5
2010-04-28T00:000072000.00.00.00.00.00.00.00.00.0
2010-04-28T06:000468042.52.52.52.52.50.02.52.52.5
2010-04-28T12:005061657.47.47.78.08.00.37.57.78.0
2010-04-28T18:00420273423.24.14.65.15.00.54.44.95.0
2010-04-29T00:00440253444.94.95.05.05.00.04.95.05.0
2010-04-29T06:0060244265.14.55.66.88.01.25.25.25.2
2010-04-29T12:002816280442.52.73.85.05.21.12.53.95.0
2010-04-29T18:0017192511362.52.43.03.63.90.62.52.53.9
2010-04-30T00:00555012602.52.22.63.03.90.42.52.52.5
2010-04-30T06:00345024482.52.42.52.62.80.12.52.52.5
2010-04-30T12:00059013592.52.52.52.52.50.02.52.52.5
2010-04-30T18:00254016562.52.32.52.73.90.22.52.52.5
2010-05-01T00:00152019532.52.32.52.73.90.22.52.52.5
2010-05-01T06:00010062102.52.52.52.52.50.02.52.52.5
2010-05-01T12:00054018542.52.52.52.52.50.02.52.52.5
2010-05-01T18:00154017552.52.22.52.95.10.42.52.52.5
2010-05-02T00:00060012602.52.52.52.52.50.02.52.52.5
2010-05-02T06:00060012602.52.52.52.52.50.02.52.52.5
2010-05-02T12:00155016562.52.52.52.52.80.02.52.52.5
2010-05-02T18:00357012602.52.32.62.93.90.32.52.52.5
2010-05-03T00:00357012602.52.32.62.83.90.32.52.52.5
2010-05-03T06:000283212282.52.52.52.52.50.02.52.52.5
2010-05-03T12:001273212282.52.52.52.62.80.12.52.52.5
2010-05-03T18:0035101512452.53.34.45.55.51.14.05.15.2
2010-05-04T00:0021271212482.52.33.64.95.51.32.52.55.1
2010-05-04T06:001328031412.52.22.93.65.10.72.52.52.8
2010-05-04T12:000007200.00.00.00.00.00.00.00.00.0
2010-05-04T18:00430029434.15.05.25.55.50.25.25.35.3
2010-05-05T00:005001111504.35.05.56.07.10.55.35.55.6
2010-05-05T06:00600012604.25.15.45.76.00.35.45.55.5
2010-05-05T12:00600012604.25.25.55.96.80.35.45.55.5
2010-05-05T18:00600012605.35.86.36.98.10.56.06.46.6
2010-05-06T00:00600012605.04.56.17.610.01.65.15.26.0
2010-05-06T06:00600012605.05.15.25.25.30.15.15.25.2
2010-05-06T12:00600012605.05.05.15.35.50.15.15.15.2
2010-05-06T18:00600012605.15.15.55.86.60.35.35.45.5
2010-05-07T00:00600012605.15.25.35.45.50.15.35.35.4
2010-05-07T06:00600012605.05.15.25.35.40.15.25.25.3
2010-05-07T12:00600012604.15.05.25.45.50.25.25.35.3
2010-05-07T18:00600012605.05.25.35.45.50.15.25.35.4
2010-05-08T00:00600012604.04.95.15.35.50.25.05.15.1
2010-05-08T06:00600012603.94.75.05.35.20.35.05.05.1
2010-05-08T12:00600012603.94.75.05.35.40.35.05.15.1
2010-05-08T18:004218012602.52.94.05.15.31.12.54.15.1
2010-05-09T00:00546012602.53.64.65.55.70.94.15.15.2
2010-05-09T06:00564012602.53.54.24.95.20.73.94.05.0
2010-05-09T12:00600012602.83.94.65.35.30.74.05.05.0
2010-05-09T18:00591012602.53.84.55.15.10.73.95.05.0
2010-05-10T00:00582012602.53.44.25.05.10.83.93.95.0
2010-05-10T06:00600012603.94.14.65.15.10.53.95.05.0
2010-05-10T12:00573012602.53.64.45.25.50.83.95.05.0
2010-05-10T18:00582012602.53.94.55.15.00.63.95.05.0
2010-05-11T00:004614012602.52.93.84.75.00.92.83.95.0
2010-05-11T06:002337012602.52.33.14.05.00.92.52.53.9
2010-05-11T12:004317012602.52.83.84.75.11.02.53.95.0
2010-05-11T18:00470916474.04.65.15.57.90.55.05.05.1
2010-05-12T00:0000601200.00.00.00.00.00.00.00.00.0
2010-05-12T06:0000601200.00.00.00.00.00.00.00.00.0
2010-05-12T12:003761712432.53.34.14.95.30.84.04.24.7
2010-05-12T18:00590013592.94.14.65.25.30.64.15.05.1
2010-05-13T00:00600012604.04.65.05.45.30.45.05.25.2
2010-05-13T06:00600012605.15.25.35.35.40.15.25.25.3
2010-05-13T12:00600012604.24.85.15.57.90.45.05.15.2
2010-05-13T18:00600012605.04.55.66.68.11.15.15.25.3
2010-05-14T00:00600012605.27.17.88.48.20.77.97.97.9
2010-05-14T06:00600012605.67.67.98.27.90.37.97.97.9
2010-05-14T12:00600012604.04.45.36.17.90.95.05.05.0
2010-05-14T18:00600012605.05.05.05.05.00.05.05.05.0
2010-05-15T00:00600012604.94.65.05.47.80.44.95.05.0
2010-05-15T06:00600012604.84.94.95.05.00.04.94.94.9
2010-05-15T12:00600012604.94.45.15.97.80.74.94.95.0
2010-05-15T18:00600012604.94.65.76.98.11.15.05.25.6
2010-05-16T00:00590013595.35.25.86.38.10.65.55.65.8
2010-05-16T06:00600012605.55.16.27.38.11.15.55.67.9
2010-05-16T12:00600012605.35.87.08.28.11.25.57.97.9
2010-05-16T18:00600012605.46.37.38.48.11.07.47.97.9
2010-05-17T00:00600012605.14.96.27.47.91.25.35.57.9
2010-05-17T06:00600012605.14.75.86.97.91.15.25.35.4
2010-05-17T12:00600012605.16.27.38.47.91.17.97.97.9
2010-05-17T18:00600012605.04.75.66.47.90.95.25.35.4
2010-05-18T00:00600012603.94.75.05.25.10.25.05.05.0
2010-05-18T06:00582012602.53.74.45.15.10.73.95.05.0
2010-05-18T12:00580212583.64.75.25.86.00.55.05.45.6
2010-05-18T18:001005012105.05.05.15.25.30.15.05.05.1
2010-05-19T00:0000601200.00.00.00.00.00.00.00.00.0
2010-05-19T06:004501512453.03.94.45.04.90.53.84.74.8
2010-05-19T12:002803212283.03.84.65.45.60.84.04.95.1
2010-05-19T18:003520512552.52.53.64.75.91.12.53.94.1
2010-05-20T00:002436012602.52.33.03.74.10.72.52.53.9
2010-05-20T06:00654912112.52.53.85.15.21.32.53.95.0
2010-05-20T12:00645012102.52.63.34.03.80.72.53.83.8
2010-05-20T18:00573012602.53.33.84.35.00.53.83.83.8
2010-05-21T00:005010012602.53.03.84.65.00.83.83.83.9
2010-05-21T06:002832012602.52.43.13.85.00.72.52.53.9
2010-05-21T12:002337012602.52.32.93.65.00.72.52.53.9
2010-05-21T18:00056016562.52.52.52.52.50.02.52.52.5
2010-05-22T00:00050022502.52.52.52.52.50.02.52.52.5
2010-05-22T06:00024048242.52.52.52.52.50.02.52.52.5
2010-05-22T12:00024048242.52.52.52.52.50.02.52.52.5
2010-05-22T18:00022050222.52.52.52.52.50.02.52.52.5
2010-05-23T00:00024048242.52.52.52.52.50.02.52.52.5
2010-05-23T06:00024048242.52.52.52.52.50.02.52.52.5
2010-05-23T12:00024048242.52.52.52.52.50.02.52.52.5
2010-05-23T18:00024048242.52.52.52.52.50.02.52.52.5
2010-05-24T00:00023048232.52.52.52.52.50.02.52.52.5