Sea Ice Proxy App
May 8, 2025
This is the repository for an R Shiny App that allows users to create sea ice records for the Bering and Chukchi seas from diatom data. Users will upload a data set of diatom percentages and the app will return predictions of spring (March, April, May, June_ sea ice concentrations based on a generalized additive model of surface sediment assemblages in the Bering and Chukchi Seas. Please direct questions to Beth Caissie bcaissie@usgs.gov.
Citation Information
| Publication Year | 2025 |
|---|---|
| Title | Sea Ice Proxy App |
| DOI | 10.5066/P13N4Q7Z |
| Authors | Anna Nesterovich, Beth E Caissie |
| Product Type | Software Release |
| Record Source | USGS Asset Identifier Service (AIS) |
| USGS Organization | Geology, Minerals, Energy, and Geophysics Science Center |
| Rights | This work is marked with CC0 1.0 Universal |
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A diatom-based quantitative sea-ice proxy for the Bering and Chukchi seas A diatom-based quantitative sea-ice proxy for the Bering and Chukchi seas
Sea ice affects Earth's climate system on both regional and global scales. Its incorporation into climate can be used to achieve more accurate predictions of future climate. However, instrumental records of sea-ice concentration do not extend earlier than 1978. In an effort to extend this record, we constructed a proxy using the generalized additive model based on relative abundances of...
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A diatom-based quantitative sea-ice proxy for the Bering and Chukchi seas A diatom-based quantitative sea-ice proxy for the Bering and Chukchi seas
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Anna Nesterovich, Beth Elaine Caissie