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PANGAEA - Publishing Network for Geoscientific & Environmental Data (840.638 recursos)

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Datasets of project "Surface Ocean Processes in the Anthropocene"

Mostrando recursos 1 - 20 de 236

  1. Physical oceanography during Maria S. Merian cruise MSM18/2

    Krahmann, Gerd; Funk, Andreas

  2. Physical oceanography during Maria S. Merian cruise MSM18/2

    Krahmann, Gerd; Funk, Andreas

  3. Hydrochemistry of POSEIDON cruise POS347

    Tanhua, Toste; Malien, Frank; Fiedler, Björrn; Kock, Annette; Dengler, Marcus

  4. Hydrochemistry of POSEIDON cruise POS347

    Tanhua, Toste; Malien, Frank; Fiedler, Björn; Kock, Annette; Dengler, Marcus

  5. Hydrochemistry of POSEIDON cruise POS347

    Tanhua, Toste; Malien, Frank; Fiedler, Björn; Kock, Annette; Dengler, Marcus

  6. Modeled uncertainties in marine N2O emissions with links to source files (52 MB, zipped)

    Zamora, Lauren M; Oschlies, Andreas
    The ocean is responsible for up to a third of total global nitrous oxide (N2O) emissions, but uncertainties in emission rates of this potent greenhouse gas are high (>100%). Here we use a marine biogeochemical model to assess six major uncertainties in estimates of N2O production, thereby providing guidance in how future studies may most effectively reduce uncertainties in current and future marine N2O emissions. Potential surface N2O production from nitrification causes the largest uncertainty in N2O emissions (estimated up to ~1.6 Tg N/yr, or 48% of modeled values), followed by the unknown oxygen concentration at which N2O production switches...

  7. Modeled uncertainties in marine N2O emissions with links to source files (52 MB, zipped)

    Zamora, Lauren M; Oschlies, Andreas
    The ocean is responsible for up to a third of total global nitrous oxide (N2O) emissions, but uncertainties in emission rates of this potent greenhouse gas are high (>100%). Here we use a marine biogeochemical model to assess six major uncertainties in estimates of N2O production, thereby providing guidance in how future studies may most effectively reduce uncertainties in current and future marine N2O emissions. Potential surface N2O production from nitrification causes the largest uncertainty in N2O emissions (estimated up to ~1.6 Tg N/yr, or 48% of modeled values), followed by the unknown oxygen concentration at which N2O production switches...

  8. Incubation experiments to examine the production and loss of CH3I in surface seawater

    Shi, Qiang; Marandino, Christa A; Petrick, Gerd; Quack, Birgit; Wallace, Douglas WR
    In order to investigate production pathways of methyl iodide and controls on emissions from the surface ocean, a set of repeated in-vitro incubation experiments were performed over an annual cycle in the context of a time-series of in-situ measurements in Kiel Fjord (54.3 N, 10.1E). The incubation experiments revealed a diurnal variation of methyl iodide in samples exposed to natural light, with maxima during day time and losses during night hours. The amplitude of the daily accumulation varied seasonally and was not affected by filtration (0.2µm), consistent with a photochemical pathway for CH3I production. The methyl iodide loss rate during...

  9. Incubation experiments to examine the production and loss of CH3I in surface seawater

    Shi, Qiang; Marandino, Christa A; Petrick, Gerd; Quack, Birgit; Wallace, Douglas WR
    In order to investigate production pathways of methyl iodide and controls on emissions from the surface ocean, a set of repeated in-vitro incubation experiments were performed over an annual cycle in the context of a time-series of in-situ measurements in Kiel Fjord (54.3 N, 10.1E). The incubation experiments revealed a diurnal variation of methyl iodide in samples exposed to natural light, with maxima during day time and losses during night hours. The amplitude of the daily accumulation varied seasonally and was not affected by filtration (0.2µm), consistent with a photochemical pathway for CH3I production. The methyl iodide loss rate during...

  10. Saccharides, TEP and iron measured on water bottle samples during POSEIDON cruise POS320/1

    Passow, Uta; Croot, Peter L

  11. Saccharides, TEP and iron measured on water bottle samples during POSEIDON cruise POS320/1

    Passow, Uta; Croot, Peter L

  12. Hydrochemistry of POSEIDON cruise POS320/1

    Bange, Hermann W; Tanhua, Toste; Malien, Frank; Schneider, Anke; Quack, Birgit

  13. Hydrochemistry of POSEIDON cruise POS320/1

    Bange, Hermann W; Tanhua, Toste; Malien, Frank; Schneider, Anke; Quack, Birgit

  14. Physical oceanography during POSEIDON cruise POS320/1

    Bange, Hermann W

  15. Physical oceanography during POSEIDON cruise POS320/1

    Bange, Hermann W

  16. Physical oceanography during POSEIDON cruise POS320/1

    Bange, Hermann W

  17. Physical oceanography during METEOR cruise M91

    Krahmann, Gerd; Bange, Hermann W

  18. Physical oceanography during METEOR cruise M91

    Krahmann, Gerd; Bange, Hermann W

  19. Physical oceanography during METEOR cruise M91

    Krahmann, Gerd; Bange, Hermann W

  20. Physical oceanography during METEOR cruise M91

    Krahmann, Gerd; Bange, Hermann W

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