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Friday, October 16, 2020 | History

2 edition of Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean found in the catalog.

Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean

Kevin M. Foley

Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean

by Kevin M. Foley

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  • 18 Currently reading

Published by U.S. Geological Survey in [Reston, Va.], [Denver, Colo .
Written in English

    Subjects:
  • Plankton, Fossil -- Arctic Ocean.,
  • Foraminifera, Fossil -- Arctic Ocean.

  • Edition Notes

    StatementKevin M. Foley and Richard Z. Poore.
    SeriesOpen-file report -- 91-346., U.S. Geological Survey open-file report -- 91-346.
    ContributionsPoore, Richard Z., Geological Survey (U.S.)
    The Physical Object
    Pagination1 v.
    ID Numbers
    Open LibraryOL17748627M

    Volume 1 of Narrative of a Journey to the Shores of the Arctic Ocean, in , , and Under the Command of Capt. Back, R.N, Narrative of a Journey to the Shores of the Arctic Ocean, in , , and Under the Command of Capt. Back, R.N.   Water flowing from the North Atlantic Ocean into the Arctic provides evidence that the Arctic Ocean is warming, according to U.S. and European researchers.

    Tracing Enriched Mantle Components along the Gakkel Ridge, Arctic Ocean An Abstract of a Thesis Presented to the Faculty of the Department of Earth and Atmospheric Sciences University of Houston in Partial Fulfillment of the Requirements for the Degree Master of Science By Nam Hien Nguyen December,   THE Mid-Oceanic Ridge, a broad fractured arch more t miles long, is the largest tectonic feature on the surface of the Earth. Associated .

    Bukry, D. Correlation of Late Cretaceous Arctic silicoflagellates from Alpha Ridge. In H. R. Jackson, P. J. Mudie, and S. M. Blasco (eds.), Initial Geological Report on CESAR-The Canadian Expedition to Study the Alpha Ridge Arctic Ocean. Geological Survey Cited by: Harriman Alaska Series: Monograph Of The Shallow-water Starfishes Of The North Pacific Coast From The Arctic Ocean To California (with Plates) By A.e. Verrill [Edward Henry Harriman, Clinton Hart Merriam, Washington Academy of Sciences (Washingt] on *FREE* shipping on qualifying offers. This is a reproduction of a book published before


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Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean by Kevin M. Foley Download PDF EPUB FB2

Planktic foraminifer census data from Northwind Ridge core 5 Arctic Ocean Abstract: The U.S. Geological Survey recovered 9 piston cores from the Northwind Ridge in the Canada Basin of the Arctic Ocean from a cruise of the USCGC Polar Star during Cited by: 2.

The U.S. Geological Survey recovered 9 piston cores from the Northwind Ridge in the Canada Basin of the Arctic Ocean from a cruise of the USCGC Polar Star during Preliminary analysis of the cores suggests sediments deposited on Northwind Ridge preserve a detailed record of glacial and interglacial cycles for the last few hundred-thousand to one million years.

Get this from a library. Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean. [Kevin M Foley; Richard Z Poore; Geological Survey (U.S.)].

PRISM has generated planktic foraminifer census data from core sites and outcrops around the globe since These data form the basis of a number of paleoceanographic reconstructions focused on the mid-Piacenzian Warm Period ( to million years ago).Cited by: 3.

For all planktic foraminifer faunal census data, we made splits of the >µm size fractions containing approximate complete specimens. A total of 23 faunal species were identified and the relative abundances of the species are expressed as percentages of total faunal assemblages (Parker, ; Bé, ; Kipp, ).

Planktic foraminifer census data and O and C analyses of Globigerinoides ruber from Marine Isotope Stage 11 sediments from Ocean Drilling Program (ODP) Site R. Poore, J. Schroeder, and A. McMahon U. Geological Survey, MS A, National Center, Reston, VA Introduction recovered vary from dark green to light greenAuthor: Richard Z.

Poore, J. Schroeder, A. McMahon. Kevin M Foley has written: 'Planktic foraminifer census data from Northwind Ridge Core 5, Arctic Ocean' -- subject(s): Foraminifera, Fossil, Fossil Foraminifera, Fossil Plankton, Plankton, Fossil.

This article presents data derived by the USGS Pliocene Research, Interpretation and Synoptic Mapping (PRISM) Project. PRISM has generated planktic foraminifer census data from core sites and outcrops around the globe since These data form the basis of a number of paleoceanographic reconstructions focused on the mid-Piacenzian Warm Period ( to million years ago).Cited by: 3.

Stratigraphic Occurrences of Sub-Polar Planktic Foraminifera in Pleistocene Sediments on the Lomonosov Ridge, Arctic MIS 5 sediments. Polarity reversals of remanent magnetization in a sedimentary core from Northwind Ridge, western Arctic Ocean HideoSakai+,YasukoBanba+,MasaeHorii,TakuyaItaki- NaoichiAhagon.

andEiichiKikawa/ In this study, we use data from discrete specimens mainly for the discussion of. Using planktic foraminiferal assemblage and concentration data from a marine sediment core on the eastern Reykjanes Ridge elucidates SAF location changes and thus, changes in the water‐mass composition (upper ˜ m) during the last c.

ka BP. Our foraminifer data highlight a late Holocene shift (at c. ka BP) in water‐mass Cited by: 5. Atlantic planktic foraminifer assemblage fr om the PRISM time sla b, the ~30 0ky r inte rv al betw ee n Ma a nd 7 Ma (Do wse tt an d Rob inso n 6).

Scientists and technical staff within the USGS Coastal and Marine Geology Program study coastal and ocean resources from shorelines and estuaries to the continental shelf and deep sea, providing expertise, tools, products, and data that address and inform a broad array of resource challenges facing our Nation.

Planktic foraminifers can be sensitive indicators of the changing environment including both the Arctic Ocean and Southern Ocean. Due to variability in their ecology, biology, test characteristics, and fossil preservation in marine sediments, they serve as valuable archives in paleoceanography and climate geochemistry over the geologic time by: Oceanic ridge, continuous submarine mountain chain extending approximat km (50, miles) through all the world’s oceans.

Individually, ocean ridges are the largest features in ocean basins. Collectively, the oceanic ridge system is the most prominent feature on Earth’s surface after the. A new planktic foraminifer transfer function (GSF18) related 5 North Atlantic assemblages to winter and summer sea surface temperature.

GSF18, based on recombined and simplified core top census data, preserves most environmental information and reproduces modern North Atlantic conditions with approximately the same accuracy as previous transfer functions, but can be more readily applied to Cited by: --At slow spreading rates ( cm per yr), a prominent rift valley develops along the ridge crest that is usually km across and m deep--At intermediate spreading rates ( cm per yr), rift valleys that develop are shallow and less than meters deep.

Abstract. The main migrations of the Polar front (PF) during the last ka were identified using planktic foraminiferal census data and derived from them sea surface paleotemperature (SST) estimates in two synchronized AMK and M cores recovered directly beneath the main stream of the North Atlantic Current (NAC) south of by: 2.

sites spanning the junction of the Lomonosov Ridge with the Eurasian continent are used to quantify the water properties, transformations and transport of the boundary current of the Arctic Ocean.

The mean #ow is cyclonic, weak (1 to 5 cm s"#), predominantly aligned along isobaths and has an equivalent barotropic structure in the vertical. History of Ocean Exploration Evolution of deep-ocean research; Data & Products.

Rinsing of a newly collected zooplankton sample. Image courtesy of Kate Stafford, RUSALCA Expedition, RAS-NOAA. Download image (jpg, 65 KB). During the Russian-American Long-term Census of the Arctic cruise, our four-person team (Ershova, Hopcroft.

By Kathy Crane, U.S. Mission Coordinator, Arctic Research Office, NOAA Aug Through pictures and video, U.S. mission coordinator for the Russian-American Long-term Census of the Arctic project, Kathy Crane, shows us how the second leg of the cruise got underway.The Arctic Circle defining the "midnight sun" encompasses the Atlantic Ocean from the northern edge of Iceland to the Bering Strait in the Pacific Ocean.

Military activity in this area between and is often considered part of the Battle of the Atlantic or of the European Theatre of World War -war navigation focused on fishing and the international ore-trade from Narvik and on: Arctic Circle.Rocks melt in asthenosphere and have magnetic chemicals Mid Ocean Ridges: "record" the magnetic field of Earth at ridges, rocks are symmetric about the mid ocean ridge (polarity reversals) The magnetic field is generated in the Earth's core Their record in the plates is evidence of plate tectonics.