Results 61 to 70 of about 3,031,205 (219)

Changes of the Arctic marginal ice zone during the satellite era

The Cryosphere, 2020
. Many studies have shown a decrease in Arctic sea ice extent. It does not logically follow, however, that the extent of the marginal ice zone (MIZ), here defined as the area of the ocean with ice concentrations from 15 % to 80 %, is also changing ...
Rebecca J. Rolph, D. Feltham, D. Schröder   +2 more
semanticscholar   +1 more source

Arctic Curves in path models from the Tangent Method [PDF]

, 2017
Recently, Colomo and Sportiello introduced a powerful method, known as the \emph{Tangent Method}, for computing the arctic curve in statistical models which have a (non- or weakly-) intersecting lattice path formulation. We apply the Tangent Method to compute arctic curves in various models: the domino tiling of the Aztec diamond for which we recover ...
arxiv   +1 more source

Climate Models Underestimate the Sensitivity of Arctic Sea Ice to Carbon Emissions [PDF]

arXiv, 2023
Arctic sea ice has steadily diminished as atmospheric greenhouse gas concentrations have increased. Using observed data from 1979 to 2019, we estimate a close contemporaneous linear relationship between Arctic sea ice area and cumulative carbon dioxide emissions. For comparison, we provide analogous regression estimates using simulated data from global
arxiv  

When Will Arctic Sea Ice Disappear? Projections of Area, Extent, Thickness, and Volume [PDF]

arXiv, 2022
Rapidly diminishing Arctic summer sea ice is a strong signal of the pace of global climate change. We provide point, interval, and density forecasts for four measures of Arctic sea ice: area, extent, thickness, and volume. Importantly, we enforce the joint constraint that these measures must simultaneously arrive at an ice-free Arctic.
arxiv  

Advancing hyperspectral imaging techniques for root systems: a new pipeline for macro- and microscale image acquisition and classification

Plant Methods
Background Understanding the environmental impacts on root growth and root health is essential for effective agricultural and environmental management.
Corine Faehn, Grzegorz Konert, Markku Keinänen, Katja Karppinen, Kirsten Krause   +4 more
doaj   +1 more source

Under-reporting of major birth defects in Northwest Russia: a registry-based study

International Journal of Circumpolar Health, 2017
The objective was to assess the prevalence of selected major birth defects, based on data from two medical registries in Murmansk County, and compare the observed rates with those available for Norway and Arkhangelsk County, Northwest Russia. It included
Anton A. Kovalenko, Tormod Brenn, Jon Øyvind Odland, Evert Nieboer, Alexandra Krettek, Erik Eik Anda   +5 more
doaj   +1 more source

Simultaneous Oxidation of Atmospheric Methane, Carbon Monoxide and Hydrogen for Bacterial Growth

Microorganisms, 2021
The second largest sink for atmospheric methane (CH4) is atmospheric methane oxidizing-bacteria (atmMOB). How atmMOB are able to sustain life on the low CH4 concentrations in air is unknown.
Alexander Tøsdal Tveit, Tilman Schmider, Anne Grethe Hestnes, Matteus Lindgren, Alena Didriksen, Mette Marianne Svenning   +5 more
doaj   +1 more source

The dynamic Arctic

Quaternary Science Reviews, 2014
AbstractResearch campaigns over the last decade have yielded a growing stream of data that highlight the dynamic nature of Arctic cryosphere and climate change over a range of time scales. As a consequence, rather than seeing the Arctic as a near static environment in which large scale changes occur slowly, we now view the Arctic as a system that is ...
Martin Jakobsson, Antony J. Long, Ólafur Ingólfsson, Ólafur Ingólfsson, Robert F Spielhagen   +4 more
openaire   +3 more sources

Greater role for Atlantic inflows on sea-ice loss in the Eurasian Basin of the Arctic Ocean

Science, 2017
Losing its character The eastern Eurasian Basin of the Arctic Ocean is on the far side of the North Pole from the Atlantic, but it is becoming more like its larger neighbor as the climate warms. Polyakov et al.
I. Polyakov, A. Pnyushkov, M. Alkire, I. Ashik, T. Baumann, E. Carmack, I. Goszczko, J. Guthrie, V. Ivanov, T. Kanzow, R. Krishfield, R. Kwok, A. Sundfjord, J. Morison, R. Rember, A. Yulin   +15 more
semanticscholar   +1 more source

Network analysis of ballast-mediated species transfer reveals important introduction and dispersal patterns in the Arctic [PDF]

arXiv, 2020
Rapid climate change has wide-ranging implications for the Arctic region, including sea ice loss, increased geopolitical attention, and expanding economic activity, including a dramatic increase in shipping activity. As a result, the risk of harmful non-native marine species being introduced into this critical region will increase unless policy and ...
arxiv