Korea Polar Data Center
Scientific observations and results from Antarctica shall
be exchanged and made freely available
be exchanged and made freely available
Flaw-lead opening events along the west coast of Banks Island
This dataset defines the flaw lead along the west coast of Banks Island (eastern Beaufort Sea) and identifies its opening events from February to April, 2003-2022. Using the ArcLeads 1 km daily lead maps, a coastal strip 10-45 km from the west coast was defined from the cross-shore profile of lead frequency. The daily lead fraction and the observational coverage of the strip were then calculated, an opening threshold was set, and opening events were counted for each month. A case study of 9-15 March 2019 combines the 1 km daily lead maps with sea-ice divergence and shear rate calculated from Sentinel-1 SAR sea-ice drift, to examine whether high-resolution SAR imagery can detect the ice deformation that accompanies lead opening.
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Disclosure Request
- Entry ID
- KOPRI-KPDC-00003313
- Copyright
- Science Keyword
- ISO Topic
- Oceans
- Personnel
- Jeong-Won Park (jeong-won.park@kopri.re.kr)
- Jinku Park (jinku_park@kopri.re.kr)
- Ji-Han Sim (jhsim@kopri.re.kr)
- Research period
- 2003-02-26 ~ 2022-04-30
- 2019-03-09 ~ 2019-03-15
- Create/Update Date
- 2026-10-28 / 2026-10-28
- Location
- OCEAN > ARCTIC OCEAN > BEAUFORT SEA
- Citation
- The data(KOPRI-KPDC-00003313) used in this work was provided by the Korea Polar Research Institute.
- Spatial Coverage
-
POLYGON
- lat:79.300000, lon:-145.200000
- lat:65.900000, lon:-91.800000
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Legend
- Raw Data
- File Size 10.1 Mb for 2 items
| Category | File Name | Description | Size | Status |
|---|---|---|---|---|
| Rawdata | Fig01_definition.nc | Definition of the Banks Island flaw lead, February-April 2003-2022: lead-frequency climatology and number of cloud-free observations on the 1 km ArcLeads grid around Banks Island, coastal strip mask (10-45 km from the west coast), distance to coast, cross-shore lead-frequency profile, daily strip lead fraction and coverage (1,785 days), opening threshold, and monthly number of opening events. | 761.92 Kb | Request required |
| Rawdata | report_figSAR_banks_case_2019Mar_C.nc | Case study of 9-15 March 2019 off Banks Island: daily ArcLeads 1 km classification (cloud, land, sea ice, artefact, lead, open water) and coastal strip mask, with daily sea-ice divergence and shear rate (% per day) calculated from CMEMS Sentinel-1 SAR sea-ice drift on the 10 km polar stereographic grid, and a flag marking where SAR data exist. | 9.34 Mb | Request required |