Collins, James A; Schefuß, Enno; Heslop, David; Mulitza, Stefan; Prange, Matthias; Zabel, Matthias; Tjallingii, Rik; Dokken, Trond; Huang, Enqing; Mackensen, Andreas; Schulz, Michael; Tian, Jun; Zarriess, Michelle; Wefer, Gerold (2011): (Figure 2) C31 δ¹³C, %C3 vegetation, wet season length and mean annual rainfall for tropical western Africa: mean values for Last Glacial Maximum, Heinrich Stadial 1, mid-Holocene and late Holocene timeslices [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.757391, In supplement to: Collins, JA et al. (2011): Interhemispheric symmetry of tropical African rainbelt over the past 23,000 years. Nature Geoscience, 4(1), 42-45, https://doi.org/10.1038/ngeo1039
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Project(s):
Coverage:
Median Latitude: 3.174302 * Median Longitude: -3.065469 * South-bound Latitude: -17.157217 * West-bound Longitude: -18.581700 * North-bound Latitude: 20.751700 * East-bound Longitude: 13.400250
Date/Time Start: 1988-02-28T00:00:00 * Date/Time End: 2005-06-26T22:26:00
Minimum Elevation: -3223.0 m * Maximum Elevation: -426.0 m
Event(s):
175-1078C * Latitude: -11.920770 * Longitude: 13.400250 * Date/Time Start: 1997-09-03T18:10:00 * Date/Time End: 1997-09-04T06:05:00 * Elevation: -426.0 m * Penetration: 165.2 m * Recovery: 149.58 m * Location: Benguela Current, South Atlantic Ocean * Campaign: Leg175 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 18 cores; 165.2 m cored; 0 m drilled; 90.5 % recovery
GeoB1023-5 * Latitude: -17.157217 * Longitude: 11.011667 * Date/Time: 1988-02-28T00:00:00 * Elevation: -1978.0 m * Penetration: 12 m * Recovery: 9.5 m * Location: Angola Basin * Campaign: M6/6 * Basis: Meteor (1986) * Method/Device: Gravity corer (Kiel type) (SL) * Comment: cc: clay, olivgreen, shells
GeoB4905-4 * Latitude: 2.500000 * Longitude: 9.390000 * Date/Time: 1998-03-01T06:48:00 * Elevation: -1328.0 m * Recovery: 12.18 m * Location: off Cameroon * Campaign: M41/1 * Basis: Meteor (1986) * Method/Device: Gravity corer (Kiel type) (SL) * Comment: CC: dark olive hemipelagic mud
Comment:
calc. % C3: Estimates are based on d13C values for C4 plants of -21.7 per mil and for C3 plants of -35.2 per mil.
calc. Wet season length: Estimates are based on WSL = 0.077(%C3) + 0.98
calc. Mean annual rainfall: Estimates are based on MAR = 0.127(%C3) + 2.25
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Timeslice | Timeslice | Collins, James A | see reference(s) | ||
| 6 | n-Alkane C31, δ13C | C31 δ13C | ‰ PDB | Collins, James A | Calculated, see reference(s) | Timeslice mean C31 d13C (VPDB) |
| 7 | Standard error | Std e | ± | Collins, James A | Calculated, see reference(s) | |
| 8 | C3 vegetation | C3 veget | % | Collins, James A | Calculated, see reference(s) | |
| 9 | Wet season length | wsl | months | Collins, James A | Calculated, see reference(s) | |
| 10 | Precipitation, annual mean | MAP | mm | Collins, James A | Calculated, see reference(s) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
192 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Elevation [m] | 5 Timeslice | 6 C31 δ13C [‰ PDB] | 7 Std e [±] | 8 C3 veget [%] | 9 wsl [months] | 10 MAP [mm] |
|---|---|---|---|---|---|---|---|---|---|
| GeoB7920-2 | 20.752 | -18.582 | -2278 | late Holocene | -24.87 | 0.060 | 23.45 | 2.79 | 627.60 |
| GeoB7920-2 | 20.752 | -18.582 | -2278 | mid-Holocene | -24.17 | 0.071 | 18.29 | 2.39 | 548.40 |
| GeoB7920-2 | 20.752 | -18.582 | -2278 | Heinrich Stadial 1 | -22.64 | 0.128 | 6.98 | 1.52 | 376.80 |
| GeoB7920-2 | 20.752 | -18.582 | -2278 | Last Glacial Maximum | -23.39 | 0.030 | 12.50 | 1.94 | 460.80 |
| GeoB9508-5 | 15.498 | -17.948 | -2384 | late Holocene | -25.52 | 0.030 | 28.29 | 3.16 | 700.80 |
| GeoB9508-5 | 15.498 | -17.948 | -2384 | mid-Holocene | -25.57 | 0.028 | 28.68 | 3.19 | 706.80 |
| GeoB9508-5 | 15.498 | -17.948 | -2384 | Heinrich Stadial 1 | -23.01 | 0.051 | 9.72 | 1.73 | 417.60 |
| GeoB9508-5 | 15.498 | -17.948 | -2384 | Last Glacial Maximum | -23.19 | 0.002 | 11.05 | 1.83 | 438.00 |
| GeoB9526-5 | 12.435 | -18.057 | -3223 | late Holocene | -26.98 | 0.021 | 39.08 | 3.99 | 865.20 |
| GeoB9526-5 | 12.435 | -18.057 | -3223 | mid-Holocene | -26.64 | 0.075 | 36.59 | 3.80 | 828.00 |
| GeoB9526-5 | 12.435 | -18.057 | -3223 | Heinrich Stadial 1 | -24.20 | 0.052 | 18.49 | 2.40 | 552.00 |
| GeoB9526-5 | 12.435 | -18.057 | -3223 | Last Glacial Maximum | -24.14 | 0.101 | 18.04 | 2.37 | 544.80 |
| GeoB9535-4 | 8.876 | -14.961 | -669 | late Holocene | -30.77 | 0.147 | 67.20 | 6.15 | 1293.60 |
| GeoB9535-4 | 8.876 | -14.961 | -669 | mid-Holocene | -33.03 | 0.090 | 83.89 | 7.44 | 1548.00 |
| GeoB9535-4 | 8.876 | -14.961 | -669 | Heinrich Stadial 1 | -31.61 | 0.305 | 73.40 | 6.63 | 1388.40 |
| GeoB9535-4 | 8.876 | -14.961 | -669 | Last Glacial Maximum | -31.16 | 0.017 | 70.05 | 6.37 | 1338.00 |
| GeoB4905-4 | 2.500 | 9.390 | -1328 | late Holocene | -30.07 | 0.081 | 61.97 | 5.75 | 1214.40 |
| GeoB4905-4 | 2.500 | 9.390 | -1328 | mid-Holocene | -33.27 | 0.239 | 85.69 | 7.58 | 1575.60 |
| GeoB4905-4 | 2.500 | 9.390 | -1328 | Heinrich Stadial 1 | -32.43 | 0.172 | 79.44 | 7.10 | 1480.80 |
| GeoB4905-4 | 2.500 | 9.390 | -1328 | Last Glacial Maximum | -32.16 | 0.046 | 77.50 | 6.95 | 1450.80 |
| GeoB6518-1 | -5.588 | 11.222 | -962 | late Holocene | -33.15 | 0.028 | 84.80 | 7.51 | 1562.40 |
| GeoB6518-1 | -5.588 | 11.222 | -962 | mid-Holocene | -33.35 | 0.052 | 86.32 | 7.63 | 1585.20 |
| GeoB6518-1 | -5.588 | 11.222 | -962 | Heinrich Stadial 1 | -29.89 | 0.069 | 60.66 | 5.65 | 1194.00 |
| GeoB6518-1 | -5.588 | 11.222 | -962 | Last Glacial Maximum | -30.27 | 0.064 | 63.50 | 5.87 | 1237.20 |
| 175-1078C | -11.921 | 13.400 | -426 | late Holocene | -29.69 | 0.183 | 59.17 | 5.54 | 1171.20 |
| 175-1078C | -11.921 | 13.400 | -426 | mid-Holocene | -33.21 | 0.018 | 85.28 | 7.55 | 1569.60 |
| 175-1078C | -11.921 | 13.400 | -426 | Heinrich Stadial 1 | -28.04 | 0.298 | 46.98 | 4.60 | 986.40 |
| 175-1078C | -11.921 | 13.400 | -426 | Last Glacial Maximum | -26.72 | 0.055 | 37.15 | 3.84 | 836.40 |
| GeoB1023-5 | -17.157 | 11.012 | -1978 | late Holocene | -26.84 | 0.107 | 38.09 | 3.91 | 850.80 |
| GeoB1023-5 | -17.157 | 11.012 | -1978 | mid-Holocene | -25.62 | 0.170 | 29.02 | 3.21 | 712.80 |
| GeoB1023-5 | -17.157 | 11.012 | -1978 | Heinrich Stadial 1 | -24.79 | 0.237 | 22.90 | 2.74 | 619.20 |
| GeoB1023-5 | -17.157 | 11.012 | -1978 | Last Glacial Maximum | -25.16 | 0.036 | 25.62 | 2.95 | 660.00 |