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Record #174541:

Ice everywhere - but how did it get there? / George Swann, Melanie Leng, Mark Maslin.

Title: Ice everywhere - but how did it get there? / George Swann, Melanie Leng, Mark Maslin.
Author(s): Swann, George.
Leng, Melanie.
Maslin, Mark.
Date: 2005.
In: Planet Earth. (2005.), Autumn (2005)
Abstract: Briefly describes research to identify water source for North American ice sheet at onset of major Northern Hemisphere Glaciation around 2.7 Myr ago. Project analyzing oxygen isotope ratios in fossil diatoms to investigate changes in ocean temperature and salinity reveals north-west Pacific Ocean became seasonally warmer and fresher during autumn and early winter, in contrast with ocean changes elsewhere. Describes scenario in which fresh meltwater from newly formed ice sheets capped saltier and denser ocean water and inhibited vertical circulation. Ocean surface then stayed warm further into winter and more moisture was evaporated and deposited as snow. Combined with colder winters this triggered ice sheet expansion.
Notes:

Planet Earth. Autumn :18 (2005).

Keywords: 551.58 -- Climatology.
551.583.3 -- Climatic changes, Quaternary.
551.32 -- Glaciology.
551.46 -- Oceanography, physical.
551.461.8 -- Palaeo-oceanography.
551.465.4 -- Oceanography, stratification.
551.465.45 -- Water masses.
551.33 -- Glacial geology.
551.324 -- Land ice.
551.324.24 -- Ice sheets and caps.
551.336 -- Ice ages.
551.324.61 -- Land ice, cycle of growth and decay.
551.337 -- Chronology of the Pleistocene and recent periods.
551.588.5 -- Climate, relationship with ice.
.000(410) -- British author.
C -- Oceanography, hydrography and hydrology.
(*66) -- North Pacific Ocean.
(7) -- North America.
(*40) -- North American Arctic.
(-062.1) -- Northern hemisphere.
SPRI record no.: 174541

MARCXML

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100 1# ‡aSwann, George.
245 10 ‡aIce everywhere - but how did it get there? /‡cGeorge Swann, Melanie Leng, Mark Maslin.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2005.
300 ## ‡ap. 18 :‡bill.
500 ## ‡aPlanet Earth. Autumn :18 (2005).
520 3# ‡aBriefly describes research to identify water source for North American ice sheet at onset of major Northern Hemisphere Glaciation around 2.7 Myr ago. Project analyzing oxygen isotope ratios in fossil diatoms to investigate changes in ocean temperature and salinity reveals north-west Pacific Ocean became seasonally warmer and fresher during autumn and early winter, in contrast with ocean changes elsewhere. Describes scenario in which fresh meltwater from newly formed ice sheets capped saltier and denser ocean water and inhibited vertical circulation. Ocean surface then stayed warm further into winter and more moisture was evaporated and deposited as snow. Combined with colder winters this triggered ice sheet expansion.
650 07 ‡a551.58 -- Climatology.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.46 -- Oceanography, physical.‡2udc
650 07 ‡a551.461.8 -- Palaeo-oceanography.‡2udc
650 07 ‡a551.465.4 -- Oceanography, stratification.‡2udc
650 07 ‡a551.465.45 -- Water masses.‡2udc
650 07 ‡a551.33 -- Glacial geology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.336 -- Ice ages.‡2udc
650 07 ‡a551.324.61 -- Land ice, cycle of growth and decay.‡2udc
650 07 ‡a551.337 -- Chronology of the Pleistocene and recent periods.‡2udc
650 07 ‡a551.588.5 -- Climate, relationship with ice.‡2udc
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡aC -- Oceanography, hydrography and hydrology.‡2local
651 #7 ‡a(*66) -- North Pacific Ocean.‡2udc
651 #7 ‡a(7) -- North America.‡2udc
651 #7 ‡a(*40) -- North American Arctic.‡2udc
651 #7 ‡a(-062.1) -- Northern hemisphere.‡2udc
700 1# ‡aLeng, Melanie.
700 1# ‡aMaslin, Mark.
773 0# ‡7nnas ‡tPlanet Earth. ‡gAutumn (2005) ‡wSPRI-161548
916 ## ‡a2006/01/23 -- RF
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20221003 ‡bRF