Pape, Thomas; Feseker, Tomas; Kasten, Sabine; Fischer, David; Bohrmann, Gerhard (2011): (Table 6) Gas hydrate-related details of unit I and unit II deposits at the Hakon Mosby Mud Volcano [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.770382, In supplement to: Pape, T et al. (2011): Distribution and abundance of gas hydrates in near-surface deposits of the Håkon Mosby Mud Volcano, SW Barents Sea. Geochemistry, Geophysics, Geosystems, 12(9), Q09009, 21 PP., https://doi.org/10.1029/2011GC003575
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Project(s):
Funding:
Sixth Framework Programme (FP6), grant/award no. 511234: Hotspot Ecosystem Research on the Margins of European Seas
Comment:
a = The extent of analytical uncertainties is discussed in section 3.4.2; pv, pore volume.
b = Assuming identical hydrate fractions in shallow and in deeper sediments.
c = Considering mean values.
d = At standard temperature and pressure (STP).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Parameter | Parameter | Pape, Thomas | |||
| 2 | Comment | Comment | Pape, Thomas | |||
| 3 | Unit | Unit | Pape, Thomas | Unit I | ||
| 4 | Unit | Unit | Pape, Thomas | Unit II | ||
| 5 | Unit | Unit | Pape, Thomas | Sum Unit I+II |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
143 data points
Data
| 1 Parameter | 2 Comment | 3 Unit (Unit I) | 4 Unit (Unit II) | 5 Unit (Sum Unit I+II) |
|---|---|---|---|---|
| Area (m2) | 176385 | 632745 | 809130 | |
| Temperature gradient Min (K/m) | 0.512 | 0.307 | ||
| Temperature gradient Max (K/m) | 17.442 | 11.812 | ||
| Temperature gradient Mean (K/m) | 4.574 | 1.537 | 2.2 | |
| SO4 penetration depth Min (m) | 0.05 | 0.05 | ||
| SO4 penetration depth Max (m) | 0.61 | 0.79 | ||
| SO4 penetration depth Mean (m) | 0.16 | 0.4 | 0.35 | |
| Base of GHSZ Min (mbsf) | 0.81 | 1.2 | ||
| Base of GHSZ Max (mbsf) | 28.09 | 47.32 | ||
| Base of GHSZ Mean (mbsf) | 6.02 | 15.74 | 13.61 | |
| Thickness of GHOZ Min (m) | 0.76 | 1.15 | ||
| Thickness of GHOZ Max (m) | 27.44 | 46.54 | ||
| Thickness of GHOZ Mean (m) | 5.86 | 15.34 | 13.26 | |
| Volume of GHOZ Min (m3) | 134053 | 727657 | ||
| Volume of GHOZ Max (m3) | 4840004 | 29447952 | ||
| Volume of GHOZ Mean (m3) | 1033616 | 9706308 | 10729064 | |
| Volume of GHOZ above 2.65 mbsf (m3) | 391961 | 1360352 | 1751101 | |
| Porosity | 0.7 | 0.7 | 0.7 | |
| Pore volume within GHOZ Min (m3) | 93837 | 509360 | ||
| Pore volume within GHOZ Max (m3) | 3388003 | 20613567 | ||
| Pore volume within GHOZ Mean (m3) | 723531 | 6794416 | 7510345 | |
| Pore volume within GHOZ above 2.65 mbsf (m3) | 274373 | 952246 | 1226619 | |
| Hydrate fraction within GHOZ above 2.65 mbsf Min (% of pv) | 1.6 | |||
| Hydrate fraction within GHOZ above 2.65 mbsf Max (% of pv) | 21.3 | |||
| Hydrate fraction within GHOZ above 2.65 mbsf Mean (% of pv) | 3.2 | 12.5 | ||
| Volume gas hydrate within GHOZ (m3) | b,c | 23449 | 847594 | 871043 |
| Volume gas hydrate within GHOZ above 2.65 mbsf (m3) | c | 8892 | 118791 | 127684 |
| Mass gas hydrates within GHOZ (kt) | b,c | 21.4 | 774.7 | 7796.1 |
| Mass gas hydrates within GHOZ above 2.65 mbsf (kt) | c | 8.1 | 108.6 | 116.7 |
| Volume hydrate-bound CH4 within GHOZ (m3) | b,c,d | 3845677 | 139005376 | 142841053 |
| Volume hydrate-bound CH4 within GHOZ above 2.65 mbsf (m3) | c,d | 1458332 | 19481788 | 20940120 |
| Mass hydrate-bound CH4 within GHOZ (kt) | b,c | 2.8 | 99.7 | 102.5 |
| Mass hydrate-bound CH4 within GHOZ above 2.65 mbsf (kt) | c | 1 | 14 | 15 |
| Amount hydrate-bound CH4 within GHOZ (mol) | b,c | 171989110 | 6216698399 | 6388687510 |
| Amount hydrate-bound CH4 within GHOZ above 2.65 mbsf (mol) | c | 65220563 | 871278538 | 936499100 |
| Mass hydrate-bound C2H6 within GHOZ (t) | b,c | 3.4 | 126.3 | 129.8 |
| Mass hydrate-bound C2H6 within GHOZ above 2.65 mbsf (t) | c | 1.3 | 17.7 | 19 |