Results 51 to 60 of about 606,839 (276)

East Greenland ice core dust record reveals timing of Greenland ice sheet advance and retreat

Nature Communications, 2019
Accurate measurements of the past extent of the Greenland ice sheet are crucial to understand its response to changing climate conditions. Here, the authors present a dust record from an ice core from the east coast of Greenland to provide detailed time ...
Marius Folden Simonsen, Giovanni Baccolo, Thomas Blunier, Alejandra Borunda, Barbara Delmonte, Robert Frei, Steven Goldstein, Aslak Grinsted, Helle Astrid Kjær, Todd Sowers, Anders Svensson, Bo Vinther, Diana Vladimirova, Gisela Winckler, Mai Winstrup, Paul Vallelonga   +15 more
doaj   +1 more source

Influence of temperature fluctuations on equilibrium
ice sheet volume [PDF]

The Cryosphere, 2018
Forecasting the future sea level relies on accurate modeling of the response of the Greenland and Antarctic ice sheets to changing temperatures. The surface mass balance (SMB) of the Greenland Ice Sheet (GrIS) has a nonlinear response to warming. Cold
T. B. Mikkelsen, A. Grinsted, P. Ditlevsen   +2 more
doaj   +1 more source

Ocean processes at the Antarctic continental slope [PDF]

, 2014
The Antarctic continental shelves and slopes occupy relatively small areas, but, nevertheless, are important for global climate, biogeochemical cycling and ecosystem functioning.
Creed, Elizabeth, Fielding, Sophie, Guihen, Damien, Heuzé, Céline, Heywood, Karen J., Jickells, Timothy D., Kaiser, Jan, Lee, Craig M., Queste, Bastien Y., Ridley, Jeff K., Schmidtko, Sunke, Smith, Walker, Stevens, David P., Thompson, Andrew F., Wadley, Martin   +14 more
core   +3 more sources

Long‐term hippocampal alterations and cognitive impairment in a murine model of surgical sepsis

FEBS Open Bio, EarlyView.
Using a mouse model of surgical sepsis, we tested long‐term memory and analyzed the transcriptome of single cells isolated from the hippocampus. Survivor mice showed worse memory, loss of certain brain cell subpopulations, and abnormal immune cell activity—suggesting that post‐sepsis brain alterations may be linked to cognitive deficits.
Dong Seong Cho, Rebecca Schmitt, Aneesha Dasgupta, Alexandra Ducharme, Jason Doles   +4 more
wiley   +1 more source

Incorporation of lumped IVOC emissions into the ORACLE model (V1.1): a multi-product framework for assessing global SOA formation from internal combustion engines [PDF]

Geoscientific Model Development
Secondary organic aerosol (SOA) is a major component of particulate matter but is often underpredicted in chemistry climate models. Recent advances in measuring and resolving the chemically complex structure of intermediate volatile organic compounds ...
S. M. C. Scholz, V. A. Karydis, G. I. Gkatzelis, H. Fuchs, H. Fuchs, S. N. Pandis, S. N. Pandis, A. P. Tsimpidi   +7 more
doaj   +1 more source

Investigation of North Pacific sea ice anomalies in the context of atmospheric and oceanic variability [PDF]

, 2001
Thesis (M.S.) University of Alaska Fairbanks, 2001This study investigates the main mode of variability in North Pacific sea ice and examines the relationship between sea ice concentration and northern hemispheric climate variability for the period 1968 ...
Tivy, Adrienne
core  

The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp, Ludwig Karrasch, Helena Breitenstein, Andreas Straube, Katharina Kamm   +4 more
wiley   +1 more source

A microphysics guide to cirrus – Part 3: Occurrence patterns of cloud particles [PDF]

Atmospheric Chemistry and Physics
Cloud particle size distributions (PSDs) are crucial in determining the clouds physical and optical properties and hence their radiative feedback to the climate.
M. Krämer, M. Krämer, N. Spelten, C. Rolf, R. Spang   +4 more
doaj   +1 more source

A first chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core [PDF]

Climate of the Past, 2013
A stratigraphy-based chronology for the North Greenland Eemian Ice Drilling (NEEM) ice core has been derived by transferring the annual layer counted Greenland Ice Core Chronology 2005 (GICC05) and its model extension (GICC05modelext) from the NGRIP core
S. O. Rasmussen, P. M. Abbott, T. Blunier, A. J. Bourne, E. Brook, S. L. Buchardt, C. Buizert, J. Chappellaz, H. B. Clausen, E. Cook, D. Dahl-Jensen, S. M. Davies, M. Guillevic, S. Kipfstuhl, T. Laepple, I. K. Seierstad, J. P. Severinghaus, J. P. Steffensen, C. Stowasser, A. Svensson, P. Vallelonga, B. M. Vinther, F. Wilhelms, M. Winstrup   +23 more
doaj   +1 more source

Simulating higher-order fabric structure in a coupled, anisotropic ice-flow model: application to Dome C

Journal of Glaciology, 2023
Ice-crystal fabric can induce mechanical anisotropy that significantly affects flow, but ice-flow models generally do not include fabric development or its effect upon flow.
David A. Lilien, Nicholas M. Rathmann, Christine S. Hvidberg, Aslak Grinsted, M. Reza Ershadi, Reinhard Drews, Dorthe Dahl-Jensen   +6 more
doaj   +1 more source