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Record #110299:
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Main publication details
MARC recordTertiary ice sheet dynamics: the snow gun hypothesis / Michael Lanman Prentice, R.K. Matthews.
| Title: | Tertiary ice sheet dynamics: the snow gun hypothesis / Michael Lanman Prentice, R.K. Matthews. |
| Author(s): | Prentice, Michael Lanman. Matthews, R. K. |
| Date: | 1991. |
| In: | Journal of Geophysical Research. (1991.), Vol. 96(B4) (1991) |
| Abstract: | Uses deep-sea δ¹⁸O record to reveal gross physical mechanisms which regulated Antarctic ice sheet between warm climates of Cretaceous and global glaciations of Quaternary. Suggests that Tertiary ice-sheet growth was commonly driven by warming of deep water from low- to mid-latitude marginal seas (snow gun hypothesis). In contrast Late Quaternary ice sheets grew as deep water, formed at high latitude, cooled. Because tectonic and orbital forcing at low latitude primarily controlled production and temperature variations of Warm Saline Deep Water, these influences largely dictated fluctuations of Tertiary ice volumes. Through Tertiary, fluctuations in ice volume are inferred to be important component of sea-level history on time scales between 10³ and 10⁷ a. |
| Notes: | Journal of Geophysical Research. Vol. 96(B4) :6811-6827 (1991). |
| Keywords: | 551.32 -- Glaciology. 551.336 -- Ice ages. 551.78 -- Tertiary. 551.338 -- Ice ages, theories of causation. E7 -- Glaciology: glacial geology and ice ages. |
| SPRI record no.: | 110299 |
LDR 01643naa#a2200000#a#4500 001 SPRI-110299 005 20230321203335.0 007 ta 008 230321s1991####xx#ab#|##|###|0||#0|eng#d 035 ## ‡aSPRI-110299 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aPrentice, Michael Lanman. 245 10 ‡aTertiary ice sheet dynamics :‡bthe snow gun hypothesis /‡cMichael Lanman Prentice, R.K. Matthews. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 6811-6827 :‡bdiags., tables, maps. 500 ## ‡aJournal of Geophysical Research. Vol. 96(B4) :6811-6827 (1991). 520 3# ‡aUses deep-sea δ¹⁸O record to reveal gross physical mechanisms which regulated Antarctic ice sheet between warm climates of Cretaceous and global glaciations of Quaternary. Suggests that Tertiary ice-sheet growth was commonly driven by warming of deep water from low- to mid-latitude marginal seas (snow gun hypothesis). In contrast Late Quaternary ice sheets grew as deep water, formed at high latitude, cooled. Because tectonic and orbital forcing at low latitude primarily controlled production and temperature variations of Warm Saline Deep Water, these influences largely dictated fluctuations of Tertiary ice volumes. Through Tertiary, fluctuations in ice volume are inferred to be important component of sea-level history on time scales between 10³ and 10⁷ a. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.336 -- Ice ages.‡2udc 650 07 ‡a551.78 -- Tertiary.‡2udc 650 07 ‡a551.338 -- Ice ages, theories of causation.‡2udc 650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local 700 1# ‡aMatthews, R. K. 773 0# ‡7nnas ‡tJournal of Geophysical Research. ‡gVol. 96(B4) (1991) ‡wSPRI-35252 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230321