History of sea ice in the Arctic

L Polyak, RB Alley, JT Andrews… - Quaternary Science …, 2010 - Elsevier
Arctic sea-ice extent and volume are declining rapidly. Several studies project that the Arctic
Ocean may become seasonally ice-free by the year 2040 or even earlier. Putting this into …

Arctic Ocean mega project: paper 1-data collection

AM Nikishin, EI Petrov, S Cloetingh, AV Korniychuk… - Earth-Science …, 2021 - Elsevier
Over a period of the past 15–20 years, the Russian Government implemented the Arctic
Mega Project for geological and comprehensive study of the Arctic Ocean. In this paper we …

Age model and core‐seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge

J Backman, M Jakobsson, M Frank… - …, 2008 - Wiley Online Library
Cenozoic biostratigraphic, cosmogenic isotope, magnetostratigraphic, and cyclostratigraphic
data derived from Integrated Ocean Drilling Program Expedition 302, the Arctic Coring …

The early Miocene onset of a ventilated circulation regime in the Arctic Ocean

M Jakobsson, J Backman, B Rudels, J Nycander… - Nature, 2007 - nature.com
Deep-water formation in the northern North Atlantic Ocean and the Arctic Ocean is a key
driver of the global thermohaline circulation and hence also of global climate. Deciphering …

Eustatic variations during the Paleocene‐Eocene greenhouse world

A Sluijs, H Brinkhuis, EM Crouch, CM John… - …, 2008 - Wiley Online Library
We reconstruct eustatic variations during the latest Paleocene and earliest Eocene (∼ 58–
52 Ma). Dinoflagellate cysts, grain size fractions, and organic biomarkers in marine sections …

Warm arctic continents during the Palaeocene–Eocene thermal maximum

JWH Weijers, S Schouten, A Sluijs, H Brinkhuis… - Earth and Planetary …, 2007 - Elsevier
The Palaeocene–Eocene Thermal Maximum (PETM;∼ 55.5 Ma) is a geologically relatively
brief episode of extreme warmth. Both deep and surface ocean temperatures increased by …

Cenozoic ice‐rafting history of the central Arctic Ocean: Terrigenous sands on the Lomonosov Ridge

K St. John - Paleoceanography, 2008 - Wiley Online Library
The Cenozoic ice‐rafted debris (IRD) history of the central Arctic is reconstructed utilizing the
terrigenous coarse sand fraction in IODP 302 cores from 0 to 273 meters composite depth …

A shift in heavy and clay mineral provenance indicates a middle Miocene onset of a perennial sea ice cover in the Arctic Ocean

AA Krylov, IA Andreeva, C Vogt, J Backman… - …, 2008 - Wiley Online Library
During the Arctic Coring Expedition (ACEX), a 428‐m‐thick sequence of Upper Cretaceous
to Quaternary sediments was penetrated. The mineralogical composition of the upper 300 m …

Manganese-rich brown layers in Arctic Ocean sediments: composition, formation mechanisms, and diagenetic overprint

C März, A Stratmann, J Matthießen… - … et Cosmochimica Acta, 2011 - Elsevier
We present inorganic geochemical analyses of pore waters and sediments of two Late
Quaternary sediment cores from the western Arctic Ocean (southern Mendeleev Ridge, RV …

Constraints on the Pleistocene chronology of sediments from the Lomonosov Ridge

M O'Regan, J King, J Backman, M Jakobsson… - …, 2008 - Wiley Online Library
Despite its importance in the global climate system, age‐calibrated marine geologic records
reflecting the evolution of glacial cycles through the Pleistocene are largely absent from the …