Physical processes responsible for the interannual variability of sea ice concentration in Arctic in boreal autumn since 1979
Sign Up to like & getrecommendations! 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
Support vector machine learning applied to digital images of river ice conditions
Sign Up to like & getrecommendations! 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
Validation of Suomi-NPP VIIRS sea ice concentration with very high-resolution satellite and airborne camera imagery
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Exponentially decaying modes and long-term prediction of sea ice concentration using Koopman mode decomposition
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Accounting for Label Errors When Training a Convolutional Neural Network to Estimate Sea Ice Concentration Using Operational Ice Charts
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2022.3141063
Abstract: Convolutional neural networks (CNNs) are being increasingly investigated as a means to extract sea ice concentration from synthetic aperture radar (SAR) in an automated manner. This is often done using ice charts as training data.… read more here.
Keywords: ice; sea ice; ice concentration; convolutional neural ... See more keywords
Spaceborne GNSS Reflectometry for Retrieving Sea Ice Concentration Using TDS-1 Data
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2020.2982959
Abstract: A geophysical model function (GMF) for sea ice concentration (SIC) retrieval is developed based on the spaceborne Global Navigation Satellite System Reflectometry (GNSS-R) data measured by the TechDemoSat-1 (TDS-1) satellite. The spreading characteristics of onboard… read more here.
Keywords: sea ice; spaceborne gnss; tds data; ice concentration ... See more keywords