Matches in SemOpenAlex for { <https://semopenalex.org/work/W1520794900> ?p ?o ?g. }
- W1520794900 endingPage "n/a" @default.
- W1520794900 startingPage "n/a" @default.
- W1520794900 abstract "[1] Paired benthic foraminiferal stable isotope and Mg/Ca data are used to estimate bottom water temperature (BWT) and ice volume changes associated with the Eocene-Oligocene Transition (EOT), the largest global climate event of the past 50 Myr. We utilized ODP Sites 1090 and 1265 in the South Atlantic to assess seawater δ18O (δw), Antarctic ice volume, and sea level changes across the EOT (∼33.8–33.54 Ma). We also use benthic δ13C data to reconstruct the sources of the deep water masses in this region during the EOT. Our data, together with previously published records, indicate that a pulse of Northern Component Water influenced the South Atlantic immediately prior to and following the EOT. Benthic δ18O records show a 0.5‰ increase at ∼33.8 Ma (EOT-1) that represents a ∼2°C cooling and a small (∼10 m) eustatic fall that is followed by a 1.0‰ increase associated with Oi-1. The expected cooling of deep waters at Oi-1 (∼33.54 Ma) is not apparent in our Mg/Ca records. We suggest the cooling is masked by coeval changes in the carbonate saturation state (Δ[CO32−]) which affect the Mg/Ca data. To account for this, the BWT, ice volume, and δw estimates are corrected for a change in the Δ[CO32−] of deep waters on the basis of recently published work. Corrected BWT at Sites 1090 and 1265 show a ∼1.5°C cooling coincident with Oi-1 and an average δw increase of ∼0.75‰. The increase in ice volume during Oi-1 resulted in a ∼70 m drop in global sea level and the development of an Antarctic ice sheet that was near modern size or slightly larger." @default.
- W1520794900 created "2016-06-24" @default.
- W1520794900 creator A5025511346 @default.
- W1520794900 creator A5032874064 @default.
- W1520794900 creator A5055594425 @default.
- W1520794900 date "2011-04-21" @default.
- W1520794900 modified "2023-09-28" @default.
- W1520794900 title "Deep water temperature, carbonate ion, and ice volume changes across the Eocene-Oligocene climate transition" @default.
- W1520794900 cites W1512935607 @default.
- W1520794900 cites W1541345983 @default.
- W1520794900 cites W1606240890 @default.
- W1520794900 cites W1616890799 @default.
- W1520794900 cites W1636782770 @default.
- W1520794900 cites W1670766810 @default.
- W1520794900 cites W1671942206 @default.
- W1520794900 cites W1754578189 @default.
- W1520794900 cites W1761446194 @default.
- W1520794900 cites W1907634221 @default.
- W1520794900 cites W1908932275 @default.
- W1520794900 cites W1964467133 @default.
- W1520794900 cites W1965840594 @default.
- W1520794900 cites W1967371674 @default.
- W1520794900 cites W1971456699 @default.
- W1520794900 cites W1973193929 @default.
- W1520794900 cites W1973849886 @default.
- W1520794900 cites W1975267429 @default.
- W1520794900 cites W1976156138 @default.
- W1520794900 cites W1977775988 @default.
- W1520794900 cites W1979991201 @default.
- W1520794900 cites W1987458917 @default.
- W1520794900 cites W1987788564 @default.
- W1520794900 cites W1989744939 @default.
- W1520794900 cites W1990222591 @default.
- W1520794900 cites W1990565695 @default.
- W1520794900 cites W1993110920 @default.
- W1520794900 cites W1993983940 @default.
- W1520794900 cites W1994076752 @default.
- W1520794900 cites W1997200383 @default.
- W1520794900 cites W1998539667 @default.
- W1520794900 cites W1999809323 @default.
- W1520794900 cites W2000053397 @default.
- W1520794900 cites W2004116736 @default.
- W1520794900 cites W2004444571 @default.
- W1520794900 cites W2005716767 @default.
- W1520794900 cites W2007742342 @default.
- W1520794900 cites W2008931912 @default.
- W1520794900 cites W2012688130 @default.
- W1520794900 cites W2014567053 @default.
- W1520794900 cites W2016564007 @default.
- W1520794900 cites W2018006495 @default.
- W1520794900 cites W2018065255 @default.
- W1520794900 cites W2021548133 @default.
- W1520794900 cites W2025865560 @default.
- W1520794900 cites W2027259272 @default.
- W1520794900 cites W2028082622 @default.
- W1520794900 cites W2028817233 @default.
- W1520794900 cites W2031399970 @default.
- W1520794900 cites W2033189237 @default.
- W1520794900 cites W2037528317 @default.
- W1520794900 cites W2039648311 @default.
- W1520794900 cites W2045339218 @default.
- W1520794900 cites W2045506514 @default.
- W1520794900 cites W2047954065 @default.
- W1520794900 cites W2053399192 @default.
- W1520794900 cites W2054410655 @default.
- W1520794900 cites W2054475421 @default.
- W1520794900 cites W2056577637 @default.
- W1520794900 cites W2058410188 @default.
- W1520794900 cites W2058644524 @default.
- W1520794900 cites W2058718049 @default.
- W1520794900 cites W2058721748 @default.
- W1520794900 cites W2061651937 @default.
- W1520794900 cites W2062065374 @default.
- W1520794900 cites W2062325538 @default.
- W1520794900 cites W2062864893 @default.
- W1520794900 cites W2065790927 @default.
- W1520794900 cites W2066290485 @default.
- W1520794900 cites W2072221685 @default.
- W1520794900 cites W2072679163 @default.
- W1520794900 cites W2075520347 @default.
- W1520794900 cites W2078074638 @default.
- W1520794900 cites W2080775337 @default.
- W1520794900 cites W2082057548 @default.
- W1520794900 cites W2083432235 @default.
- W1520794900 cites W2088709166 @default.
- W1520794900 cites W2089542793 @default.
- W1520794900 cites W2093142430 @default.
- W1520794900 cites W2096729913 @default.
- W1520794900 cites W2099676778 @default.
- W1520794900 cites W2101523536 @default.
- W1520794900 cites W2101999386 @default.
- W1520794900 cites W2105478654 @default.
- W1520794900 cites W2108316127 @default.
- W1520794900 cites W2108817504 @default.
- W1520794900 cites W2110015126 @default.
- W1520794900 cites W2115575384 @default.
- W1520794900 cites W2117619613 @default.
- W1520794900 cites W2120537950 @default.