Results 31 to 40 of about 162,083 (309)

The impact of Arctic sea ice loss on mid-Holocene climate. [PDF]

open access: yes, 2018
Mid-Holocene climate was characterized by strong summer solar heating that decreased Arctic sea ice cover. Motivated by recent studies identifying Arctic sea ice loss as a key driver of future climate change, we separate the influences of Arctic sea ice ...
Kim, Seo-Yeon   +5 more
core   +2 more sources

Taking stock of arctic sea ice and climate [PDF]

open access: yes, 2009
The relationship among the cause-and-effect of the Arctic atmosphere, sea ice, and ocean is discussed. The increased vulnerability of the Arctic system to anomalous atmospheric forcing can be argued from the perspective that recent ice loss is the result
Francis, Jennifer   +3 more
core   +2 more sources

Resolutional Analysis of Multiplicative High-Frequency Speckle Noise Based on SAR Spatial De-Speckling Filter Implementation and Selection

open access: yesRemote Sensing, 2019
Due to the inherent characteristics of the electromagnetic wave scattering phenomenon, synthetic aperture radar (SAR) images are directly degraded by high-frequency multiplicative speckle (HMS) noise, which makes image de-speckling filter application and
Iman Heidarpour Shahrezaei   +1 more
doaj   +1 more source

Probabilistic Forecasts of Arctic Sea Ice Thickness [PDF]

open access: yesJournal of Agricultural, Biological and Environmental Statistics, 2021
AbstractIn recent decades, warming temperatures have caused sharp reductions in the volume of sea ice in the Arctic Ocean. Predicting changes in Arctic sea ice thickness is vital in a changing Arctic for making decisions about shipping and resource management in the region.
Peter A. Gao   +3 more
openaire   +2 more sources

A Feasibility Study of Sea Ice Motion and Deformation Measurements Using Multi-Sensor High-Resolution Optical Satellite Images

open access: yesRemote Sensing, 2017
Sea ice motion and deformation have generally been measured using low-resolution passive microwave or mid-resolution radar remote sensing datasets of daily (or few days) intervals to monitor long-term trends over a wide polar area. This feasibility study
Chang-Uk Hyun, Hyun-cheol Kim
doaj   +1 more source

The impact of Arctic sea ice on the Arctic energy budget and on the climate of the Northern mid-latitudes [PDF]

open access: yes, 2012
The atmospheric general circulation model EC-EARTH-IFS has been applied to investigate the influence of both a reduced and a removed Arctic sea ice cover on the Arctic energy budget and on the climate of the Northern mid-latitudes.
McGrath, R., Semmler, T., Wang, S.
core   +1 more source

Optimization of the k-nearest-neighbors model for summer Arctic Sea ice prediction

open access: yesFrontiers in Marine Science, 2023
The Arctic sea ice plays a significant role in climate-related processes and has a considerable effect on humans, however accurately predicting the Arctic sea ice concentration is still challenging.
Yongcheng Lin   +9 more
doaj   +1 more source

Unraveling the Arctic Sea Ice Change since the Middle of the Twentieth Century

open access: yesGeosciences, 2023
Changes in Arctic sea ice since the middle of the last century are explored in this study. Both observations and climate model simulations show an overall sea ice expansion during 1953–1970 but a general sea ice decline afterward. Anthropogenic aerosols,
Nathan Kong, Wei Liu
doaj   +1 more source

Improving Met Office seasonal predictions of Arctic sea ice using assimilation of CryoSat-2 thickness [PDF]

open access: yesThe Cryosphere, 2018
Interest in seasonal predictions of Arctic sea ice has been increasing in recent years owing, primarily, to the sharp reduction in Arctic sea-ice cover observed over the last few decades, a decline that is projected to continue.
E. W. Blockley, K. A. Peterson
doaj   +1 more source

Prediction of monthly Arctic sea ice concentrations using satellite and reanalysis data based on convolutional neural networks [PDF]

open access: yes, 2020
Changes in Arctic sea ice affect atmospheric circulation, ocean current, and polar ecosystems. There have been unprecedented decreases in the amount of Arctic sea ice due to global warming.
Han, Daehyeon   +4 more
core   +1 more source

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