Reduced advection into Atlantic Ocean deep eastern basins during last glaciation maximum

WB Curry, GP Lohmann - Nature, 1983 - nature.com
Causes of change in deep water δ13C can be either global or local in extent. Global causes
include (1) climatically-induced changes in the amount of terrestrial biomass which alter the …

Geochemical evidence for suppression of pelagic marine productivity at the Cretaceous/Tertiary boundary

JC Zachos, MA Arthur, WE Dean - Nature, 1989 - nature.com
The normal, biologically productive ocean is characterized by a gradient of the 13C/12C
ratio from surface to deep waters. Here we present stable isotope data from planktonic and …

Slow release of fossil carbon during the Palaeocene–Eocene Thermal Maximum

Y Cui, LR Kump, AJ Ridgwell, AJ Charles… - Nature …, 2011 - nature.com
The transient global warming event known as the Palaeocene–Eocene Thermal Maximum
occurred about 55.9 Myr ago. The warming was accompanied by a rapid shift in the isotopic …

Late Miocene decoupling of oceanic warmth and atmospheric carbon dioxide forcing

JP LaRiviere, AC Ravelo, A Crimmins, PS Dekens… - Nature, 2012 - nature.com
Deep-time palaeoclimate studies are vitally important for developing a complete
understanding of climate responses to changes in the atmospheric carbon dioxide …

Activation of old carbon by erosion of coastal and subsea permafrost in Arctic Siberia

JE Vonk, L Sánchez-García, BE Van Dongen, V Alling… - Nature, 2012 - nature.com
The future trajectory of greenhouse gas concentrations depends on interactions between
climate and the biogeosphere,. Thawing of Arctic permafrost could release significant …

Effect of deep-sea sedimentary calcite preservation on atmospheric CO2 concentration

D Archer, E Maier-Reimer - Nature, 1994 - nature.com
DURING the last glaciation, the atmospheric carbon dioxide concentration was about 30%
less than the Holocene pre-industrial value1. Although this change is thought to originate in …

Climatically forced organic carbon burial in equatorial Atlantic and Pacific Oceans

M Lyle - Nature, 1988 - nature.com
Over the past ten years, sedimentary geochemists have noted that climate changes
associated with Pleistocene glaciations have had a pronounced effect on the rate of organic …

Enigmatic origin of the largest-known carbon isotope excursion in Earth's history

JP Grotzinger, DA Fike, WW Fischer - Nature Geoscience, 2011 - nature.com
Carbonate rocks from the Middle Ediacaran period in locations all over the globe record the
largest excursion in carbon isotopic compositions in Earth history. This finding suggests a …

Climate sensitivity constrained by CO2 concentrations over the past 420 million years

DL Royer, RA Berner, J Park - Nature, 2007 - nature.com
A firm understanding of the relationship between atmospheric carbon dioxide concentration
and temperature is critical for interpreting past climate change and for predicting future …

Terrestrial carbon isotope excursions and biotic change during Palaeogene hyperthermals

HA Abels, WC Clyde, PD Gingerich, FJ Hilgen… - Nature …, 2012 - nature.com
Pronounced transient global warming events between 60 and 50 million years ago have
been linked to rapid injection of isotopically-light carbon to the ocean–atmosphere system,. It …