Paleoproductivity

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Paleoproductivity 2000 1950 1900 1850 1800 1750 1700 -25 -24 -23 8 10 12 13 C Opal (%) Gulf of Alaska: GAK 4 Core Year AD Opal (%) -22.0 -21.0 -20.0 10 20 30 13 C Opal (%) GOA GAK 4 Skan Bay 13 C Bering Sea: Skan Bay Core Paleoproductivi > 1976 Regime-shi Bering Sea: 13 C - decrease Opal - variable Gulf of Alaska: 13 C - increase Opal - increase Finney et al.

description

Paleoproductivity. 30. -20.0. 20. -21.0. -22.0. 10. -23. 12. -24. 10. -25. 8. 1700. 1750. 1800. 1850. 1900. 1950. 2000. Bering Sea: Skan Bay Core. Paleoproductivity > 1976 Regime-shift Bering Sea: d 13 C - decrease Opal - variable Gulf of Alaska: - PowerPoint PPT Presentation

Transcript of Paleoproductivity

Page 1: Paleoproductivity

Paleoproductivity

2000195019001850180017501700-25

-24

-23

8

10

12

13COpal (%)

Gulf of Alaska: GAK 4 Core

Year AD

Op

al (

%)

-22.0

-21.0

-20.0

10

20

30

13C

Op

al (

%)

GOA GAK 4

Skan Bay

13C

Bering Sea: Skan Bay Core Paleoproductivity > 1976 Regime-shift

Bering Sea:13C - decreaseOpal - variable

Gulf of Alaska: 13C - increaseOpal - increase

Finney et al.

Biogeochemical assessment of paleoproductivity …g131/DBSubmit.pdf2 Biogeochemical assessment of paleoproductivity 2 280 C and the source of the MS at 230 C. The MSD was scanned from

Biogeochemical assessment of paleoproductivity …g131/DBSubmit.pdf2 Biogeochemical assessment of paleoproductivity 2 280 C and the source of the MS at 230 C. The MSD was scanned from

37. DEPOSITIONAL AND DIAGENETIC BEHAVIOR OF BARIUM IN … · ductivity in deep-sea environments. Paleoproductivity in these areas is difficult to assess with conventional biogenic

37. DEPOSITIONAL AND DIAGENETIC BEHAVIOR OF BARIUM IN … · ductivity in deep-sea environments. Paleoproductivity in these areas is difficult to assess with conventional biogenic

Paleoproductivity of the northwestern Tethyan margin (Anthering …€¦ · Claus Heilmann-Clausen Geologisk Institut, Aarhus Universitet, Denmark, 8000 Aarhus C Fred Rögl Naturhistorisches

Paleoproductivity of the northwestern Tethyan margin (Anthering …€¦ · Claus Heilmann-Clausen Geologisk Institut, Aarhus Universitet, Denmark, 8000 Aarhus C Fred Rögl Naturhistorisches

The interplay between the surface and bottom water environment … · [Romero et al., 2003; Romero, 2010; Romero et al., 2015], to describe the variations in paleoproductivity, the

The interplay between the surface and bottom water environment … · [Romero et al., 2003; Romero, 2010; Romero et al., 2015], to describe the variations in paleoproductivity, the

Evaluation of sediment trace metal records as ... · Evaluation of sediment trace metal records as paleoproductivity and paleoxygenation proxies in the upwelling center off Concepción,

Evaluation of sediment trace metal records as ... · Evaluation of sediment trace metal records as paleoproductivity and paleoxygenation proxies in the upwelling center off Concepción,

Effects of midlatitude westerlies on the paleoproductivity ... · The Agulhas Bank slope core lies in what is known as the Agulhas Corridor, a region of intersection between water

Effects of midlatitude westerlies on the paleoproductivity ... · The Agulhas Bank slope core lies in what is known as the Agulhas Corridor, a region of intersection between water

Calcareous nannofossils as paleoproductivity indicators in Upper … · 2008. 1. 15. · 38 Z Eshet, A. Almogi-L.abin/Marine Micropaleontology 29 (1996) 37-61 ous nannofossil assemblages

Calcareous nannofossils as paleoproductivity indicators in Upper … · 2008. 1. 15. · 38 Z Eshet, A. Almogi-L.abin/Marine Micropaleontology 29 (1996) 37-61 ous nannofossil assemblages

Paleoproductivity at the Antarctic continental margin ... · PDF filePalaeoproductivity at the Antarctic continental margin: opal and barium records for the last 400 ka ... Mackensen1

Paleoproductivity at the Antarctic continental margin ... · PDF filePalaeoproductivity at the Antarctic continental margin: opal and barium records for the last 400 ka ... Mackensen1

Trace metals as paleoredox and paleoproductivity proxies ...homepages.uc.edu/~algeot/Tribovillard-Algeo-etal-CG-2006.pdf · Trace metals as paleoredox and paleoproductivity proxies:

Trace metals as paleoredox and paleoproductivity proxies ...homepages.uc.edu/~algeot/Tribovillard-Algeo-etal-CG-2006.pdf · Trace metals as paleoredox and paleoproductivity proxies:

Fatty acid carbon isotopes: a new indicator of marine ... · 1 1 Fatty acid carbon isotopes: a new indicator of marine 2 Antarctic paleoproductivity? 3 Kate Ashley 1, James Bendle

Fatty acid carbon isotopes: a new indicator of marine ... · 1 1 Fatty acid carbon isotopes: a new indicator of marine 2 Antarctic paleoproductivity? 3 Kate Ashley 1, James Bendle