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Pedersen, Joel A; Simpson, Myrna A; Bockheim, James G; Kumar, Kartik (2011): (Table 2) Solid state 13C CP/MAS integration results for the thaw-lake samples from Barrow, Alaska [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.818009, In supplement to: Pedersen, JA et al. (2011): Characterization of soil organic carbon in drained thaw-lake basins of Arctic Alaska using NMR and FTIR photoacoustic spectroscopy. Organic Geochemistry, 42(8), 947-954, https://doi.org/10.1016/j.orggeochem.2011.04.003

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Further details:
Baldock, J A; Preston, Caroline M (1995): Chemistry of carbon decomposition processes in forests as revealed by solid-state carbon-13 nuclear magnetic resonance. In: McFee, WW; Kelly, JM (eds.) Carbon Forms and Functions in Forest Soils. Soil Science Society of America, Madison, Wisconsin, 89-117
Coverage:
Median Latitude: 71.230200 * Median Longitude: -156.546633 * South-bound Latitude: 71.198600 * West-bound Longitude: -156.668000 * North-bound Latitude: 71.277500 * East-bound Longitude: -156.435000
Date/Time Start: 2005-01-01T00:00:00 * Date/Time End: 2007-01-01T00:00:00
Minimum DEPTH, sediment/rock: 0.040 m * Maximum DEPTH, sediment/rock: 0.570 m
Event(s):
Barrow_S1-05  * Latitude: 71.277500 * Longitude: -156.435000 * Location: Barrow, Alaska, USA * Method/Device: Drilling/drill rig (DRILL)
Barrow_S6-05/07  * Latitude: 71.198600 * Longitude: -156.668000 * Location: Barrow, Alaska, USA * Method/Device: Drilling/drill rig (DRILL)
Barrow_S7/8-05  * Latitude: 71.214500 * Longitude: -156.536900 * Location: Barrow, Alaska, USA * Method/Device: Drilling/drill rig (DRILL)
Comment:
Alkyl/O-alkyl ratio calculated from: alkyl signal intensity/O-alkyl signal intensity (Baldock and Preston, 1995).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 DATE/TIMEDate/TimeGeocode
3 Sample IDSample IDPedersen, Joel A
4 Age, commentCommPedersen, Joel A
5 Depth, top/minDepth topmPedersen, Joel A
6 Depth, bottom/maxDepth botmPedersen, Joel A
7 DEPTH, sediment/rockDepth sedmGeocode
8 CarbonC%Pedersen, Joel ACross polarization-magic angle spinning (CP-MAS) NMR spectroscopyAlkyl (0-50 ppm)
9 CarbonC%Pedersen, Joel ACross polarization-magic angle spinning (CP-MAS) NMR spectroscopyO-Alkyl (50-110 ppm)
10 CarbonC%Pedersen, Joel ACross polarization-magic angle spinning (CP-MAS) NMR spectroscopyAromatic and substituted aromatic (110-165 ppm)
11 CarbonC%Pedersen, Joel ACross polarization-magic angle spinning (CP-MAS) NMR spectroscopyCarboxylic and carbonyl (165-215 ppm)
12 RatioRatioPedersen, Joel AAlkyl/O-alkyl
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
90 data points

Data

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

1 
Event		2 
Date/Time		3 
Sample ID		4 
Comm		5 
Depth top [m]		6 
Depth bot [m]		7 
Depth sed [m]		8 
C [%]
(Alkyl (0-50 ppm))		9 
C [%]
(O-Alkyl (50-110 ppm))		10 
C [%]
(Aromatic and substituted arom...)		11 
C [%]
(Carboxylic and carbonyl (165-...)		12 
Ratio
(Alkyl/O-alkyl)
Barrow_S1-05 2005S1-05-1Medium0.000.080.04015671170.22
Barrow_S6-05/07 2005S6-05-4Old0.290.390.34021561580.38
Barrow_S6-05/072007S6-07-1Old0.000.100.05018621460.29
Barrow_S6-05/072007S6-07-2Old0.100.220.16028521280.54
Barrow_S6-05/072007S6-07-3Old0.220.320.270373319111.12
Barrow_S6-05/072007S6-07-4Old0.320.410.365393219101.22
Barrow_S6-05/072007S6-07-6Old0.510.630.570343221131.06
Barrow_S7/8-05 2005S7-05-3Ancient0.200.300.25028501660.56
Barrow_S7/8-052005S7-05-5Ancient0.400.500.45026432290.60
Barrow_S7/8-052005S8-05-1Young0.000.080.0401669960.23