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PANGAEA.
Data Publisher for Earth & Environmental Science

Romero, Oscar E; LeVay, Leah J; McClymont, Erin L; Müller, Juliane; Cowan, Ellen A (2021): Productivity and sea surface conditions in the Gulf of Alaska from IODP Site 341-U1419. PANGAEA, https://doi.org/10.1594/PANGAEA.932590

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Abstract:
Iron fertilization of surface waters along the northern Alaskan margin (mainly linked to Cordilleran Ice Sheet iceberg discharge) as an essential driver of phytoplankton growth during the past 54 ka. Occurrence of calcareous and siliceous primary producers was largely unaffected by low SST conditions during MIS 3 and MIS 2. Prominent role of tidewater glaciers in defining marine productivity dynamics of high-latitude coastal regions should be considered in understanding land-ocean interactions.
Keyword(s):
Alaska; alkenones; biogenic silica; Calcium Carbonate; diatoms; glacial-interglacial; high latitude; Holocene; icebergs; IP25; Last Glacial Maximum; Late Quaternary; Meltwater; nannofossils; North Pacific; opal; Pleistocene; TOC
Supplement to:
Romero, Oscar E; LeVay, Leah J; McClymont, Erin L; Müller, Juliane; Cowan, Ellen A (2022): Orbital and Suborbital‐Scale Variations of Productivity and Sea Surface Conditions in the Gulf of Alaska During the Past 54,000 Years: Impact of Iron Fertilization by Icebergs and Meltwater. Paleoceanography and Paleoclimatology, 37(1), e2021PA004385, https://doi.org/10.1029/2021PA004385
Coverage:
Median Latitude: 59.532062 * Median Longitude: -144.133965 * South-bound Latitude: 59.532000 * West-bound Longitude: -144.134200 * North-bound Latitude: 59.532200 * East-bound Longitude: -144.133500
Size:
5 datasets

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