Glacial/interglacial variations in atmospheric carbon dioxide

DM Sigman, EA Boyle - Nature, 2000 - nature.com
Twenty years ago, measurements on ice cores showed that the concentration of carbon
dioxide in the atmosphere was lower during ice ages than it is today. As yet, there is no …

Environmental processes of the ice age: land, oceans, glaciers (EPILOG)

AC Mix, E Bard, R Schneider - Quaternary Science Reviews, 2001 - Elsevier
Knowledge of the state of the earth at the Last Glacial Maximum (LGM, an interval around
21,000 years ago) is an important benchmark for understanding the sensitivity of global …

Contribution of Southern Ocean surface-water stratification to low atmospheric CO2 concentrations during the last glacial period

R Francois, MA Altabet, EF Yu, DM Sigman, MP Bacon… - Nature, 1997 - nature.com
The nitrogen-isotope record preserved in Southern Ocean sediments, along with several
geochemical tracers for the settling fluxes of biogenic matter, reveals patterns of past nutrient …

The Last Interglacial–Glacial cycle (MIS 5–2) re-examined based on long proxy records from central and northern Europe

KF Helmens - Quaternary Science Reviews, 2014 - Elsevier
Current multi-proxy studies on a long sediment sequence preserved at Sokli (N Finland), ie
in the central area of Fennoscandian glaciations, are drastically changing classic ideas of …

[HTML][HTML] Temporal and spatial structure of multi-millennial temperature changes at high latitudes during the Last Interglacial

E Capron, A Govin, EJ Stone… - Quaternary Science …, 2014 - Elsevier
Abstract The Last Interglacial (LIG, 129–116 thousand of years BP, ka) represents a test bed
for climate model feedbacks in warmer-than-present high latitude regions. However, mainly …

West Antarctic Ice Sheet retreat driven by Holocene warm water incursions

CD Hillenbrand, JA Smith, DA Hodell, M Greaves… - Nature, 2017 - nature.com
Glaciological and oceanographic observations coupled with numerical models show that
warm Circumpolar Deep Water (CDW) incursions onto the West Antarctic continental shelf …

Abrupt climate events 500,000 to 340,000 years ago: Evidence from subpolar North Atlantic sediments

DW Oppo, JF McManus, JL Cullen - Science, 1998 - science.org
Subpolar North Atlantic proxy records document millennial-scale climate variations 500,000
to 340,000 years ago. The cycles have an approximately constant pacing that is similar to …

Arctic Ocean stratification set by sea level and freshwater inputs since the last ice age

JR Farmer, DM Sigman, J Granger, OM Underwood… - Nature …, 2021 - nature.com
Salinity-driven density stratification of the upper Arctic Ocean isolates sea-ice cover and
cold, nutrient-poor surface waters from underlying warmer, nutrient-rich waters. Recently …

Absence of deep-water formation in the Labrador Sea during the last interglacial period

C Hillaire-Marcel, A de Vernal, G Bilodeau, AJ Weaver - Nature, 2001 - nature.com
The two main constituent water masses of the deep North Atlantic Ocean—North Atlantic
Deep Water at the bottom and Labrador Sea Water at an intermediate level—are currently …

Evolution and demise of the Last Interglacial warmth in the subpolar North Atlantic

DW Oppo, JF McManus, JL Cullen - Quaternary Science Reviews, 2006 - Elsevier
Detailed faunal, isotopic, and lithic marine records provide new insight into the stability and
climate progression of the last interglacial period, Marine Isotope Stage (MIS) 5, which …