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PANGAEA - Publishing Network for Geoscientific & Environmental Data (845.267 recursos)

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PANGAEA tech-keyword 'deNBIchemical' (1 data sets)

Mostrando recursos 1 - 20 de 39.637

  1. Geochemistry of sediment cores and hydrochemistry of water bottle samples in the North Sea during James Cook cruise JC077

    Lichtschlag, Anna; Connelly, Douglas P
    The North Sea hosts a wide variety of seafloor seeps that may be important for transfer of chemical species, such as methane, from the Earth's interior to its exterior. Here we provide geochemical and geophysical evidence for fluid flow within shallow sediments at the recently discovered, 3 -km long Hugin Fracture in the Central North Sea. Although venting of gas bubbles was not observed, concentrations of dissolved methane were significantly elevated (up to six-times background values) in the water column at various locations above the fracture, and microbial mats that form in the presence of methane were observed at the...

  2. Long chain diols and diol indices of surface sediments of the Iberian Atlantic margin

    de Bar, Marijke W; Dorhout, Denise JC; Hopmans, Ellen C; Rampen, Sebastiaan W; Sinninghe Damsté, Jaap S; Schouten, Stefan
    Long chain diols are lipids that have gained interest over the last years due to their high potential to serve as biomarkers and diol indices have been proposed to reconstruct upwelling conditions and sea surface temperature (SST). However, little is known about the sources of the diols and the mechanisms impacting their distribution. Here we studied the factors controlling diol distributions in the Iberian Atlantic margin, which is characterized by a dynamic continental shelf under the influence of upwelling of nutrient-rich cold deep waters, and fluvial input. We analyzed suspended particulate matter (SPM) of the Tagus river, marine SPM and...

  3. Long chain diols and diol indices of surface sediments of the Iberian Atlantic margin

    de Bar, Marijke W; Dorhout, Denise J C; Hopmans, Ellen C; Rampen, Sebastiaan W; Sinninghe Damsté, Jaap S; Schouten, Stefan
    Long chain diols are lipids that have gained interest over the last years due to their high potential to serve as biomarkers and diol indices have been proposed to reconstruct upwelling conditions and sea surface temperature (SST). However, little is known about the sources of the diols and the mechanisms impacting their distribution. Here we studied the factors controlling diol distributions in the Iberian Atlantic margin, which is characterized by a dynamic continental shelf under the influence of upwelling of nutrient-rich cold deep waters, and fluvial input. We analyzed suspended particulate matter (SPM) of the Tagus river, marine SPM and...

  4. Iron in sea ice during campaign SIMBA

    Lannuzel, Delphine

  5. Iron in sea ice during campaign SIMBA

    Lannuzel, Delphine

  6. Iron in sea ice during campaign ISPOL

    Lannuzel, Delphine

  7. Iron in sea ice during campaign ISPOL

    Lannuzel, Delphine

  8. Iron in sea ice during campaign ISPOL

    Lannuzel, Delphine

  9. Iron in sea ice during campaign CASEY

    Lannuzel, Delphine

  10. Iron in sea ice during campaign CASEY

    Lannuzel, Delphine

  11. Iron in sea ice during campaign CASEY

    Lannuzel, Delphine

  12. Iron in sea ice during campaign ATOS 2007

    Lannuzel, Delphine

  13. Iron in sea ice during campaign ATOS 2007

    Lannuzel, Delphine

  14. Iron in sea ice during campaign ATOS 2007

    Lannuzel, Delphine

  15. Chemical composition of ocean manganese nodules from the Pacific Ocean using Wet Chemistry

    Barnes, Steven S

  16. Chemical composition of ocean manganese nodules from the Pacific Ocean using Wet Chemistry

    Barnes, Steven S

  17. Chemical composition of ocean manganese nodules from the Pacific Ocean using Wet Chemistry

    Barnes, Steven S

  18. Chemical composition of ocean manganese nodules from the Pacific Ocean using Wet Chemistry

    Barnes, Steven S

  19. (Supplementary Table 1) Overview of clumped isotope measurements from IODP Site U1338

    Drury, Anna Joy; John, Cédric M

  20. Iron in sea ice during campaign ARISE 2003

    Lannuzel, Delphine

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