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   Articles with "ice concentration" as a keyword



Physical processes responsible for the interannual variability of sea ice concentration in Arctic in boreal autumn since 1979

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recommendations! Published in 2017 at "Journal of Meteorological Research"

DOI: 10.1007/s13351-017-6105-7

Abstract: Arctic sea ice concentration (ASIC) in boreal autumn exhibits prominent interannual variability since 1979. The physical mechanism responsible for the year-to-year variation of ASIC is investigated through observational data analyses and idealized numerical modeling. It… read more here.

Keywords: sea ice; sea; boreal; ice concentration ... See more keywords
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Support vector machine learning applied to digital images of river ice conditions

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recommendations! Published in 2018 at "Cold Regions Science and Technology"

DOI: 10.1016/j.coldregions.2018.08.014

Abstract: Abstract In this study the use of support vector machines (SVM), a popular type of machine learning algorithm, for monitoring river ice properties during freeze-up was investigated. The goal was to develop an automated image… read more here.

Keywords: total surface; surface ice; river ice; ice ... See more keywords
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Validation of Suomi-NPP VIIRS sea ice concentration with very high-resolution satellite and airborne camera imagery

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recommendations! Published in 2017 at "Isprs Journal of Photogrammetry and Remote Sensing"

DOI: 10.1016/j.isprsjprs.2017.05.018

Abstract: Abstract Two independent VIIRS-based Sea Ice Concentration (SIC) products are validated against SIC as estimated from Very High Spatial Resolution Imagery for several VIIRS overpasses. The 375 m resolution VIIRS SIC from the Interface Data Processing… read more here.

Keywords: resolution; imagery; sea ice; validation ... See more keywords

Impacts of synoptic-scale cyclones on Arctic sea-ice concentration: a systematic analysis

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recommendations! Published in 2020 at "Annals of Glaciology"

DOI: 10.1017/aog.2020.23

Abstract: Abstract The role of synoptic-scale cyclones in the trends and variability of Arctic sea ice conditions has remained uncertain. In recognition, we conduct a systematic investigation of how sea-ice concentration (SIC) changes with cyclone passage,… read more here.

Keywords: sea ice; synoptic scale; concentration; ice ... See more keywords

Reducing the Spring Barrier in Predicting Summer Arctic Sea Ice Concentration

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recommendations! Published in 2023 at "Geophysical Research Letters"

DOI: 10.1029/2022gl102115

Abstract: The predictive skill of summer sea ice concentration (SIC) in the Arctic presents a steep decline when initialized before June, which is the so‐called spring predictability barrier for Arctic sea ice. This study explores the… read more here.

Keywords: arctic sea; sea ice; spring; sea ... See more keywords

Intraseasonal Sea Ice Concentration Variability Over the Weddell Sea During Austral Autumn

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recommendations! Published in 2023 at "Geophysical Research Letters"

DOI: 10.1029/2022gl102691

Abstract: The sea ice concentration (SIC) over the Weddell Sea displays obvious intraseasonal variability during austral autumn with a dominant frequency of 5–20 days. The intraseasonal SIC variability is manifested as development of sea ice anomalies… read more here.

Keywords: weddell sea; sea ice; variability; sea ... See more keywords

Evaluation of Summertime Passive Microwave and Reanalysis Sea‐Ice Concentration in the Central Arctic

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recommendations! Published in 2024 at "Earth and Space Science"

DOI: 10.1029/2023ea003214

Abstract: Passive microwave (PM) observations have been used to monitor ice retreat in the Arctic. However, various PM sea ice concentration (SIC) algorithms are prone to underestimate ice fraction during summer. We evaluated the accuracy of… read more here.

Keywords: sea ice; ice concentration; microwave; ice ... See more keywords
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Exponentially decaying modes and long-term prediction of sea ice concentration using Koopman mode decomposition

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recommendations! Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-73211-z

Abstract: Sea ice cover in the Arctic and Antarctic is an important indicator of changes in the climate, with important environmental, economic and security consequences. The complexity of the spatio-temporal dynamics of sea ice makes it… read more here.

Keywords: sea; sea ice; ice concentration; decomposition ... See more keywords

Possible connections of the opposite trends in Arctic and Antarctic sea-ice cover

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recommendations! Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep45804

Abstract: Sea ice is an important component of the global climate system and a key indicator of climate change. A decreasing trend in Arctic sea-ice concentration is evident in recent years, whereas Antarctic sea-ice concentration exhibits… read more here.

Keywords: sea; antarctic sea; sea ice; ice concentration ... See more keywords

Impact of intermediate ice concentration training data on sea ice concentration estimates from a convolutional neural network

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recommendations! Published in 2019 at "International Journal of Remote Sensing"

DOI: 10.1080/01431161.2019.1582113

Abstract: ABSTRACT Convolutional neural networks (CNNs) are being used increasingly for classification and regression tasks in remote sensing. However, a challenge in the remote sensing field is having a sufficient quantity of data to train a… read more here.

Keywords: sea ice; training data; convolutional neural; ice ... See more keywords

A new sea ice concentration retrieval algorithm from thermal infrared imagery

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recommendations! Published in 2024 at "International Journal of Digital Earth"

DOI: 10.1080/17538947.2024.2353116

Abstract: ABSTRACT Sea ice concentration (SIC) can be retrieved from thermal infrared (TIR) imagery due to the distinctive thermal properties of ice and water. Nevertheless, existing TIR-based SIC algorithms rely on surface temperature data, which often… read more here.

Keywords: sea ice; ice concentration; thermal infrared; ice ... See more keywords