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Obrochta, Stephen P; Miyahara, Hiroko; Yokoyama, Yusuke; Crowley, Thomas J; Bond, Gerard C (2012): (Table 2) Tie points of DSDP Site 94-609 and Greenland ice cores. PANGAEA,, In supplement to: Obrochta, Stephen P; Miyahara, Hiroko; Yokoyama, Yusuke; Crowley, Thomas J (2012): A re-examination of evidence for the North Atlantic “1500-year cycle” at Site 609. Quaternary Science Reviews, 55, 23-33,

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Further details:
Bond, Gerard C; Showers, William J; Elliot, Mary; Evans, MN; Lotti, Rusty; Hajdas, Irka; Bonani, Georges; Johnsen, Sigfús Jóhann (1999): The North Atlantic's 1-2 kyr climate rhythm: relation to Heinrich events, Dansgaard/Oeschger cycles and the little ice age. In: Clark, PU, Webb, RS, and Keigwin, LD (eds.), Mechanisms of Global Climate Change at Millennial Time Scales. AGU, Washington D.C., 35-58
Latitude: 49.877800 * Longitude: -24.238200
Date/Time Start: 1983-07-22T00:00:00 * Date/Time End: 1983-07-22T00:00:00
Minimum DEPTH, sediment/rock: 1.395 m * Maximum DEPTH, sediment/rock: 4.455 m
94-609_Site * Latitude: 49.877800 * Longitude: -24.238200 * Date/Time: 1983-07-22T00:00:00 * Elevation: -3883.0 m * Penetration: 9.875 m * Recovery: 6.624 m * Location: North Atlantic/FLANK * Campaign: Leg94 * Basis: Glomar Challenger * Method/Device: Composite Core (COMPCORE) * Comment: 85 cores; 802.1 m cored; 38.4 m drilled; 82.6% recovery
DEPTH, sediment/rock gives meters below seafloor [mbsf]. The tie points to GISP2 used to produce the age model for Site 609 are shown at left (Bond et al., 1999). These data are presented graphically in Fig. 3 of Bond et al. (1999) but are not presented in table format as above. At right are our ties of the same depths in Site 609 to the NGRIP ice core. A 705-year shift to younger ages is required to align GICC05 and GICC05modelext time scales at 60 ka (Svensson et al., 2008). GISP2 depth 2465.9807: Based on the MS/94 age model for GISP2, which assigned ages of 53.22 ka and 53.5 ka to 2464 mand 2466 m, respectively, a tie point to a depth of exactly 2465.98071428571 m in GISP2 is required to obtain the age of 53.4973 ka that was assigned by Bond et al. (1999) to 347.5 cm in Site 609.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepthmGeocode
2Neogloboquadrina pachyderma sinistralN. pachyderma sBond, Gerard CP = relative peak in Nps abundance, L = relative low in Nps abundance, T = Greenland/Nps transition
3Depth, referenceDepth refmBond, Gerard CGISP2
4CommentCommentBond, Gerard C
5Age modelAge modelkaBond, Gerard CGISP2 age [ka BP 1950]
6Age, commentCommBond, Gerard CGISP2 event
7Depth, referenceDepth refmObrochta, Stephen PNGRIP
8Age model, optionalAge model optkaObrochta, Stephen PNGRIP age [ka b2k]
9Age, commentCommObrochta, Stephen PNGRIP event
10Age, commentCommObrochta, Stephen PNGRIP chronology
108 data points

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