Fractionation of carbon isotopes by phytoplankton and estimates of ancient CO2 levels
KH Freeman, JM Hayes - Global biogeochemical cycles, 1992 - Wiley Online Library
Reports of the 13C content of marine particulate organic carbon are compiled and on the
basis of GEOSECS data and temperatures, concentrations, and isotopic compositions of …
basis of GEOSECS data and temperatures, concentrations, and isotopic compositions of …
Middle–Late Cretaceous climate of the southern high latitudes: stable isotopic evidence for minimal equator-to-pole thermal gradients
A detailed δ18O and δ13C stratigraphy has been generated from analysis of well-preserved
Albian–early Maastrichtian foraminifera from Deep Sea Drilling Project (DSDP) Sites 511 …
Albian–early Maastrichtian foraminifera from Deep Sea Drilling Project (DSDP) Sites 511 …
Core top calibration of Mg/Ca in tropical foraminifera: Refining paleotemperature estimation
Optimal use of Mg/Ca as a paleotemperature proxy requires establishing calibrations for
different species of foraminifera and quantifying the influence of dissolution. To achieve this …
different species of foraminifera and quantifying the influence of dissolution. To achieve this …
Temperature control on the incorporation of magnesium, strontium, fluorine, and cadmium into benthic foraminiferal shells from Little Bahama Bank: Prospects for …
Surface sediments from Little Bahama Bank (LBB), intersecting the subtropical thermocline,
were used to assess the influence of temperature on the incorporation of Mg, Sr, F, and Cd …
were used to assess the influence of temperature on the incorporation of Mg, Sr, F, and Cd …
Review and new aspects concerning the formation of eastern Mediterranean sapropels
EJ Rohling - Marine Geology, 1994 - Elsevier
In this paper, it is proposed that the formation of eastern Mediterranean sapropels occurred
in an anti-estuarine type of circulation, which was to some degree weakened relative to the …
in an anti-estuarine type of circulation, which was to some degree weakened relative to the …
Correlated millennial-scale changes in surface hydrography and terrigenous sediment yield inferred from last-glacial marine deposits off northeastern Brazil
The stable isotope composition of planktonic foraminifera correlates with evidence for pulses
of terrigenous sediment in a sediment core from the upper continental slope off northeastern …
of terrigenous sediment in a sediment core from the upper continental slope off northeastern …
Precessional forcing of nutricline dynamics in the equatorial Atlantic
B Molfino, A McIntyre - Science, 1990 - science.org
Climate control of nutricline depth in the equatorial Atlantic can be monitored by variations in
the abundance of the phytoplankton species Florisphaera profunda. A conceptual model …
the abundance of the phytoplankton species Florisphaera profunda. A conceptual model …
Boron isotope evidence for oceanic carbon dioxide leakage during the last deglaciation
Atmospheric CO2 fluctuations over glacial–interglacial cycles remain a major challenge to
our understanding of the carbon cycle and the climate system. Leading hypotheses put …
our understanding of the carbon cycle and the climate system. Leading hypotheses put …
Correction of accelerator mass spectrometry 14C ages measured in planktonic foraminifera: Paleoceanographic implications
E Bard - Paleoceanography, 1988 - Wiley Online Library
Carbon 14 dates obtained by accelerator mass spectrometry (AMS) on foraminiferal
samples from deep‐sea sediment cores must be corrected for the difference in 14C …
samples from deep‐sea sediment cores must be corrected for the difference in 14C …
Oxygen isotopic composition of multiple species of planktonic foraminifera: Recorders of the modern photic zone temperature gradient
AC Ravelo, RG Fairbanks - Paleoceanography, 1992 - Wiley Online Library
Abundances of 12 species of planktonic foraminifera collected in two plankton tows from the
east tropical Atlantic are compared to the chlorophyll content and the temperature of the sea …
east tropical Atlantic are compared to the chlorophyll content and the temperature of the sea …