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8
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85027811610
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in preparation) similarly give no hint of a hiatus in the vicinity of 400 ka. In summary, thin-section examination indicates that the calcite forming core DH-11 precipitated continuously between 566 and 60 ka (Fig. 2) and has not recrystallized. It is a mystery why the precipitation of vein calcite on most submerged surfaces in Devils Hole stopped at approximately 60 ka even though the water in this cave remained supersaturated with respect to calcite (4)
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Coplen, T.B.1
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9
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0005901187
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E. P. Pister, Ed. (Desert Fishes Council, Bishop, CA One possible explanation is that Devils Hole opened to the surface about 60 ka and the consequent introduction of inorganic ions introduced from the land-surface environment or organic compounds generated by the aquatic flora and fauna that colonized the newly available habitat or other compounds stopped the widespread precipitation of calcite from the slightly supersaturated waters
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(1991)
Proceedings of the Desert Fishes Council
, vol.20-21
, pp. 47-48
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Riggs, A.C.1
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12
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85027780355
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The relation between the mean δ18 O of precipitation and mean land surface temperature is complex; that is, variations in moisture sources, ocean isotopic composition and temperature, and synoptic climatologic and other factors undoubtedly jointly control the δ18 O value of precipitation at a site, but the relations are not understood Jackson Hole, WY, 10 to 14 June, paper presented at the Chapman Conference of Continental Isotope Indicators of Climate
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(1991)
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Grootes, P.M.1
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13
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0004213495
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Even so, an empirical relation between δ18 O values in precipitation and temperature is well-documented globally for mid-to-high latitudes [See for example
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(1981)
IAEA Tech. Rep
, vol.210
, pp. 103
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Yurtsever, Y.1
Gat, J.R.2
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17
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0022202593
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This empirical relation has also been documented for mid-latitude North American ground waters by who compared the δ18 O values of cave-seep waters with cave temperatures; they obtained virtually the same relation obtained by Yurtsever and Gat for precipitation δ18 O and surface temperature
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(1985)
Chem. Geol
, vol.58
, pp. 97
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Yonge, C.J.1
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24
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0025155021
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The δD curves in Figs.3 and 4 were taken from Fig. 1 of Jouzel et al. (1987) assigned an alternate chronology to the Vostok stable isotope time series than that used by the cited original workers
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(1990)
Nature
, vol.343
, pp. 56
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Petit, J.R.1
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0012634887
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North America and Adjacent Oceans During the last Deglaciation
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of the Such a lead by the SPECMAP record might support Kutz-bach's suggestion that the climate of the Southwest was significantly influenced by Northern Hemisphere ice-sheet deflection of the jet stream W. F. Ruddimann and H. E. Wright, Eds. (Geological Society of America, Boulder, CO
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(1987)
Geology of North America
, vol.K-3
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Kutzbach, J.E.1
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0025206138
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Recent work has shown the need for extreme care in the U-series dating of corals used to reconstruct Pleistocene sea levels, as even apparently well-preserved specimens may not behave as closed systems for U-Th isotopes (see also
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(1990)
Quat. Res
, vol.33
, pp. 129
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Ku, T.L.1
Ivanovich, M.2
Luo, S.3
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38
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0025659543
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His Fig. 2 shows that at 6 ka sea level was still 10 m below modern levels. Thus, conservatively, it took at least 13,000 years for sea level to rise from its full-glacial minimum of 120 m (at 19 ka) to modern levels
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(1990)
Paleoceanography
, vol.5
, pp. 937
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Fairbanks, R.G.1
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40
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0011347571
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The insolation curves of Figs. 3 and 4 were generated by a digitizing computer package scan of Fig. 2 in Berger and Pestiaux, and from an IBM-compatible diskette available from National Geophysical Data Center, 325 Broadway, E/GC Department 853, Boulder, CO 80303
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(1978)
Quat. Res
, vol.9
, pp. 139
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Berger, A.L.1
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41
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0026278452
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Subsequent to preparation of Figs. 3 and 4 released updated insolation computations; differences between their new data and our curves are negligible
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(1991)
Quat. Sci. Rev
, vol.10
, pp. 297
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Berger, A.1
Loutre, M.F.2
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42
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0026287216
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Recent attempts to model the period from 350 to 450 ka using nonlinear dynamical models have been unsuccessful
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(1991)
Clim. Dynam
, vol.6
, pp. 67
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Matteucci, G.1
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in preparation. Spectral analysis indicates robust δ 18 O peaks (in order of decreasing power) of 93,000-, 40,000-, 25,000-, 23,000-, and 17,000-year cycles
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Landwehr, J.M.1
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50
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85027807771
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CLIMAP Project Members
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(1984)
Quat. Res
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0003746352
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Current United States policy requires isolation of high-level radioactive wastes from the biosphere for at least 10,000 years after their emplacement in a repository National Academy Press, Washington, DC
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(1990)
Re-thinking High-Level Radioactive Waste Disposal
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52
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0003601632
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Consequently, on the widely accepted assumption that the Holocene is about over, considerable research is under way to determine the effects of pending glacial climates on proposed waste repositories National Academy Press, Washington, DC
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(1992)
Ground Water at Yucca Mountain: How High Can It Rise?
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0026364891
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C. P. Sonett, M. S. Giampapa, M. S. Matthews, Eds. (Univ. of Arizona Press, Tucson
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(1991)
The Sun in Time
, pp. 511-542
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Ghil, M.1
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60
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0021594716
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A. Berger, J. Imbrie, J. Hays, G. Kukla, B. Saltzman, Eds. (Reidel, Boston Data in their table 7 was used to construct curves in Figs. 3 and 4
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(1984)
Milankovitch and Climate
, pp. 269-305
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Imbrie, J.1
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