Results 21 to 30 of about 133,709 (318)

Recent summer sea ice thickness surveys in Fram Strait and associated ice volume fluxes [PDF]

open access: goldThe Cryosphere, 2016
Fram Strait is the main gateway for sea ice export out of the Arctic Ocean, and therefore observations there give insight into the composition and properties of Arctic sea ice in general and how it varies over time.
T. Krumpen   +7 more
doaj   +3 more sources

The effects of assimilating a sub-grid-scale sea ice thickness distribution in a new Arctic sea ice data assimilation system [PDF]

open access: yesThe Cryosphere, 2023
In the past decade groundbreaking new satellite observations of the Arctic sea ice cover have been made, allowing researchers to understand the state of the Arctic sea ice system in greater detail than before.
N. Williams   +8 more
doaj   +1 more source

Assimilating CryoSat-2 freeboard to improve Arctic sea ice thickness estimates [PDF]

open access: yesThe Cryosphere, 2023
In this study, a new method to assimilate freeboard (FB) derived from satellite radar altimetry is presented with the goal of improving the initial state of sea ice thickness predictions in the Arctic.
I. Sievers   +3 more
doaj   +1 more source

Sea Ice Thickness in the Western Ross Sea [PDF]

open access: yesGeophysical Research Letters, 2021
AbstractUsing airborne measurements, we provide a first direct glimpse of the sea ice thickness distribution in the western Ross Sea, Antarctica, where the distinguishing sea ice process is the regular occurrence of the Ross Sea, McMurdo Sound, and Terra Nova Bay polynyas.
Wolfgang Rack   +4 more
openaire   +2 more sources

A long-term proxy for sea ice thickness in the Canadian Arctic: 1996–2020 [PDF]

open access: yesThe Cryosphere, 2023
This study presents a long-term winter sea ice thickness proxy product for the Canadian Arctic based on a random forest regression model – applied to ice charts and scatterometer data, trained on CryoSat-2 observations, and applying an ice type–sea ice ...
I. A. Glissenaar   +4 more
doaj   +1 more source

Retrieval and parameterisation of sea-ice bulk density from airborne multi-sensor measurements [PDF]

open access: yesThe Cryosphere, 2022
Knowledge of sea-ice thickness and volume depends on freeboard observations from satellite altimeters and in turn on information of snow mass and sea-ice density required for the freeboard-to-thickness conversion.
A. Jutila   +7 more
doaj   +1 more source

Interannual variability in Transpolar Drift summer sea ice thickness and potential impact of Atlantification [PDF]

open access: yesThe Cryosphere, 2021
Changes in Arctic sea ice thickness are the result of complex interactions of the dynamic and variable ice cover with atmosphere and ocean. Most of the sea ice exiting the Arctic Ocean does so through Fram Strait, which is why long-term measurements of ...
H. J. Belter   +16 more
doaj   +1 more source

Multidecadal Arctic sea ice thickness and volume derived from ice age [PDF]

open access: yesThe Cryosphere, 2020
Sea ice is a key component of the Arctic climate system, and has impacts on global climate. Ice concentration, thickness, and volume are among the most important Arctic sea ice parameters.
Y. Liu, J. R. Key, X. Wang, M. Tschudi
doaj   +1 more source

Feasibility of retrieving Arctic sea ice thickness from the Chinese HY-2B Ku-band radar altimeter [PDF]

open access: yesThe Cryosphere, 2023
With the continuous development of the China ocean dynamic environment satellite series (Haiyang-2, HY-2), it is urgent to explore the potential application of HY-2B in Arctic sea ice thickness retrievals.
Z. Dong   +10 more
doaj   +1 more source

Combining a New Parameterization Scheme of Oceanic Heat Flux with Thickness Assimilation to Improve Sea Ice Forecast Accuracy in Liaodong Bay

open access: yesJournal of Marine Science and Engineering, 2023
Liaodong Bay is one of the lowest latitude areas with seasonal sea ice cover in the Northern Hemisphere. Sea ice forecasting faces challenges in accuracy due to its low thickness.
Binhang Wei   +5 more
doaj   +1 more source

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