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Geochemistry of porewater in surface sediments of the Kara Sea, Tab 1

Authors
Publisher
PANGAEA
Publication Date
Identifiers
DOI: 10.1594/pangaea.57447
Keywords
  • Akademik Boris Petrov
  • Atomic Absorption Spectrometry (Aas)
  • Awi_Paleo
  • Bp97
  • Bp97-01
  • Bp97-10
  • Bp97-12
  • Bp97-18
  • Bp97-21
  • Bp97-27
  • Bp97-32
  • Bp97-39
  • Bp97-42
  • Bp97-55
  • Bp97-56
  • Depth
  • Bottom/Max
  • Depth
  • Top/Min
  • Iron
  • Kara Sea
  • Karasea97
  • Manganese
  • Nitrate
  • Nitrite
  • Paleoenvironmental Reconstructions From Marine Sediments @ Awi
  • Phosphate
  • Quaternary Environment Of The Eurasian North
  • Queen
  • Sampling Gear
  • Diverse
  • Seawater Analysis After Grasshoff Et Al
  • 1983 (Verlag Chemie Gmbh Weinheim)
  • Siberian River Run-Off
  • Silicate
  • Silicon Cycling In The World Ocean
  • Sinops
  • Sirro
Disciplines
  • Biology
  • Chemistry

Abstract

Aquatic Microbial Ecology 29:297 AQUATIC MICROBIAL ECOLOGY Aquat Microb Ecol Vol. 29: 297–306, 2002 Published October 23 INTRODUCTION Ecology of sea ice has been studied intensively for several decades (e.g. Meguro 1962, Bunt & Lee 1970, Alexander et al. 1974, Horner 1985, Dieckmann et al. 1991, Legendre et al. 1992, Gleitz et al. 1995, Arrigo et al. 1997, Melnikov 1997, Mock & Gradinger 1999, Lizotte 2001, Brierley & Thomas 2002, Trenerry et al. 2002), but it is only in recent years that sea ice biogeo- chemistry has received attention (Günther & Dieck- mann 1999, Günther et al. 1999, Thomas et al. 2001, Thomas & Dieckmann 2002). Due to the lack of com- prehensive temporal studies, the relationships be- tween abiotic factors (e.g. irradiance, temperature, nutrients, ice texture, ice thickness) and biological pro- cesses (e.g. carbon uptake by algae, remineralisation), are still unclear. For instance, several workers (Gleitz © Inter-Research 2002 · www.int-res.com *E-mail: [email protected] Micro-optodes in sea ice: a new approach to investigate oxygen dynamics during sea ice formation Thomas Mock1,*, Gerhard S. Dieckmann1, Christian Haas1, Andreas Krell1, Jean-Louis Tison2, Andre L. Belem1, Stathis Papadimitriou3, David N. Thomas3 1Alfred-Wegener-Institute for Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven, Germany 2Département des Sciences de la Terre et de l’Environnement, Université Libre de Bruxelles, 50 Avenue Franklin D. Roosevelt, 1050 Bruxelles, Belgium 3School of Ocean Sciences, University of Wales-Bangor, Menai Bridge, Anglesey LL59 5AB, Wales, UK ABSTRACT: Oxygen micro-optodes were used to measure oxygen dynamics directly within the microstructure of sea ice by freezing the sensors into the ice during its formation. The experiment was conducted in a 4 m3 mesocosm filled with artificial seawater and inoculated with a unialgal culture of the common Antarctic ice diatom Fragilariopsis cylindrus (Bacillariophyceae) to a final chlor

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