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Datasets with PANGAEA technical keyword @metrol

Mostrando recursos 1 - 20 de 226

  1. Chemical composition and stable sulfur isotope record of Black Sea sediments

    Jørgensen, Bo Barker; Böttcher, Michael E; Lüschen, Holger; Neretin, Lev N; Volkov, Igor I
    The main terminal processes of organic matter mineralization in anoxic Black Sea sediments underlying the sulfidic water column are sulfate reduction in the upper 2-4 m and methanogenesis below the sulfate zone. The modern marine deposits comprise a ca. 1-m-deep layer of coccolith ooze and underlying sapropel, below which sea water ions penetrate deep down into the limnic Pleistocene deposits from >9000 years BP. Sulfate reduction rates have a subsurface maximum at the SO4[2-]-CH4 transition where H2S reaches maximum concentration. Because of an excess of reactive iron in the deep limnic deposits, most of the methane-derived H2S is drawn downward...

  2. Maps and acoustic profiles of free gas distribution, Western Baltic Sea and Kattgat-Skagerrak area

    Laier, Troels; Jensen, Jorn Bo
    A shallow gas depth-contour map covering the Skagerrak-western Baltic Sea region has been constructed using a relatively dense grid of existing shallow seismic lines. The digital map is stored as an ESRI shape file in order to facilitate comparison with other data from the region. Free gas usually occurs in mud and sandy mud but is observed only when sediment thickness exceeds a certain threshold value, depending on the water depth of the area in question. Gassy sediments exist at all water depths from approx. 20 m in the coastal waters of the Kattegat to 360 m in the Skagerrak....

  3. Volatile fatty acids in sediment core POS317/3-821PC1

    Cragg, Barry A

  4. Volatile fatty acids in sediment core POS317/3-824GC

    Cragg, Barry A

  5. Volatile fatty acids in sediment core POS317/3-806GC

    Cragg, Barry A

  6. Volatile fatty acids in sediment core POS317/3-774MUC

    Cragg, Barry A

  7. Volatile fatty acids in sediment core POS317/3-771GC

    Cragg, Barry A

  8. Bacteria abundance and proportion of dividing cells ins sediment core POS317/3-771GC

    Cragg, Barry A

  9. Actetate methanogenesis production rate, acetete utilization rate and volatile fatty acids in sediment core HN04F-173GC

    Fossing, Henrik

  10. Actetate methanogenesis production rate, acetete utilization rate and volatile fatty acids in sediment core HN04F-165GC

    Fossing, Henrik

  11. Bacteria abundance in sediment core HE191_837

    Cragg, Barry A

  12. Bacteria abundance, acetate methanogenesis and acetate utilization rates, dissolved inorganic carbon and volitole fatty acids in sediment core HE191_821

    Cragg, Barry A

  13. Bacteria abundance and dissolved inorganic carbon in sediment core HE191_816

    Cragg, Barry A

  14. Bacteria abundance, acetate methanogenesis production and acetate utilization rates, dissolved inorganic carbon and volitole fatty acids in sediment core HE191_807

    Cragg, Barry A

  15. Dissolved inorcganic carbon in sediment core HE191_789

    Cragg, Barry A

  16. Dissolved inorcganic carbon in sediment core HE191_781

    Cragg, Barry A

  17. Biogeochemistry and physical properties in core GT04-378RL

    Fossing, Henrik

  18. Methane concentration in core GT04-365MUC, tube D

    Fossing, Henrik

  19. Biogeochemistry, sulphate reduction rate and physical properties in core GT04-365MUC, tube C

    Fossing, Henrik

  20. Biogeochemistry and physical properties in core GT04-276MUC, tube P

    Fossing, Henrik

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