Preface The expedition ARK XIX/3 with the German icebreaking RV ...

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Fig. A4.3.5-1. View of the coral fauna adjacent to the lander deployment site. Live colonies of the coral Madrepora oculata and dead coral rubble can be seen across the bed. The yellow-orange coloured gorgonian coral visible in the photograph may be Acanthogorgia cf. armata (pers. comm. A Freiwald) and the glass sponge Aphrocallistes is present in the centre of the image. Fig. A4.3.5-2. SAMS Photolander deployed on the Galway Mound. - 77 -
Fig. A4.3.5-3. Close-up view of the fauna near the lander deployment site. The scleractinian corals are dominated by Madrepora oculata, the purple octocoral is likely to be Anthotela grandiflora (pers. comm. A Freiwald) and glass sponges (Aphrocallistes sp.) can be seen. Work programme, post ARKXIX/3a The SAMS Photolander was collected by the RV "Celtic Voyager" in mid-July 2003. Data were downloaded film from the cameras developed. The following data were recorded: - Film camera, 124 images - Digital camera, 400 images - Optical instruments, full data set - FSI current meter, full data set - ADCP, no data (instrument flood) Early analysis of results from the third deployment of the photolander on the "Galway mound" showed an even more intense current regime with a maximum recorded velocity of 70cm s -1 . Here the residual current flow of 13.6cm s -1 was to the north-west - 78 -
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Preface The expedition ARK XIX/3 wi
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B. 1 Cruise leg ARK XIX/3b: An intr
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The ARK XIX/3 expedition A. 1 Itine
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positioning and navigation of the "
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was followed to obtain video materi
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On Friday morning the 20 th of June
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Fig. A1-2: The working area of the
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"Polarstern" (actual air temperatur
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6000" was still at depth "Polarster
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aseline navigation antennae which a
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Fig. A1-3: Entire cruise track of R
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At end of the leg pressure rising b
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The temperatures during the cruise
Page 27 and 28: Most frequent wind direction was so
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Page 31 and 32: On the other hand, the accuracy of
Page 33 and 34: The sampling campaign was also unde
Page 35 and 36: Hydrosweep DS2 is installed onboard
Page 37 and 38: Fig. A4.2-2: Normalized backscatter
Page 39 and 40: In addition to the micro bathymetry
Page 41 and 42: ackscatter value of -37.0dB, -38.9d
Page 43 and 44: athymetry and angular backscatter d
Page 45 and 46: A. 4.3 Sedimentary and hydrodynamic
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Page 49 and 50: Fig. A4.3.2-2: Visualisation of dif
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Page 53 and 54: Visible calcareous fauna removed (b
Page 55 and 56: Fig. A4.3.3-2 Location of SAMS Phot
Page 57 and 58: Box Core Sample Log Sheet Station N
Page 73 and 74: A. 4.3.4 Influence of mound topogra
Page 75 and 76: A. 4.3.5 Photo lander deployment on
Page 77: - UMI data logger controlling a tra
Page 81 and 82: Lineated features are present NE of
Page 83 and 84: CARACOLE Cruise Report 30/07/2001 (
Page 85 and 86: intermediate nepheloid layers (Dick
Page 87 and 88: Fig. A4.4.1-2. Location of main stu
Page 95 and 96: A. 4.4.3 Biogeoprocesses along the
Page 99 and 100: in the database with the exact posi
Page 101 and 102: The areas with significant benthic
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Page 107 and 108: ocks predate the last glaciation, s
Page 119 and 120: A. 4.4.6 Biological and geological
Page 121 and 122: Hovland M, Croker PF, Martin M (199
Page 123 and 124: Live fauna Sediments Live fauna and
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Page 127 and 128: 4) The NSOW has similar water mass
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0 100 200 300 400 500 600 700 800 P
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A. 4.8 Deep water coral ecology and
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and video observations made. On ret
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Fig. A4.8.2-2: This orange, planar
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Fig. A4.8.2-4: Feather-shaped alcyo
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Fig. A4.8.2-7: Top left) Yellow alc
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scour or demersal trawling. The gro
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survey at frequencies of 38, 70, 12
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"Belgica mounds" - Porcupine Seabig
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"Twin mounds" - Porcupine Bank 14°
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corals were alive, relatively abund
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Network Setup for Tests The setup f
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are only initial testings and much
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pressure produced as a consequence
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surrounded by elevated sediment fea
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B. 2 Microbathymetry on ROV "Victor
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Pitch correction Due to assembling
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Maps Complete area Håkon Mosby Mud
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B. 3 Geochemistry, geophysics and s
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Heat Flow HMMV 2m # # # # # # # # #
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Lat_dec. Lon_dec Name k T_0m PS64/s
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Temperature / Gravity Corer # GC9 #
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Table B3.2-1: Technical specificati
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Sound velocity: As the cores all co
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Fig. B3.3-1: Display of a 4 km long
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sediment cores varies between 166 t
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Fig. B3.4-1b: Lithological descript
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Fig. B3.4-1d: Lithological descript
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Fig. B3.4-1f: Lithological descript
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hydrotroilite and gas hydrate, this
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As an example, a echo sounder image
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B. 5 Biological investigations at t
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- How much methane is oxidized aero
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profiler). Bottom water samples hav
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the water column was measured using
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1 kg of tubeworms in wet weight. Th
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B. 5.2 Microscale analysis of the s
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Laboratory measurements Central sit
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O2, CO3-- (mM) Beggiatoa mats, 30/0
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Photograph of the sulfide oxidising
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Central area No measurements could
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the temperature profile showed adve
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B. 5.3 Methane in gas hydrate beari
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The deployments covered 3 (5) diffe
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flows at the Håkon Mosby Mud Volca
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The quality of the mosaics depends
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[2] Vincent AG, Pessel N, Borgetto
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References Milkov, A., Vogt, P., Ch
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ROV "Victor 6000" The ROV "Victor 6
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has spent in organising the coring
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A multiple corer was used to retrie
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At the position of the moorings a C
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Micro profiles of O 2 but also of p
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The current regime luff and lee sid
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2° 3° 4° N2 5° PS64/481 PS64/48
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station IRD archive liner bulk x-ra
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C. 4 Marine Geology Kukina, N. Majo
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2° 3° 4° 5° 6° PS64/481 79°20
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Appendix 1: List of samples for fut
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- 248 -
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- 250 -
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material via the Transpolar Drift t
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ounding processes as well. One poss
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The most frequent rock type is sand
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Eastern Greenland, Iceland and Scan
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C. 6 Debris on the seafloor at “H
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Results A summary of the results is
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enthic community are of crucial imp
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frame showed no obvious colonisatio
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subsamples (area of 400 - 800 cm 2
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using shipboard techniques - provid
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Tab C11-1: Stationlist of in situ m
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Tab. C11-2: In-situ measurements of
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Tab. C11-2: In-situ measurements of
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Climate models predict that global
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90 mean copepod densities/ 10 cm 2
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- Molecular phylogeny and phylogeog
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Species Stations Tmetonyx sp.1 326-
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was used to terminate and sample th
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openings of 45° at both sides the
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Station Date Time PositionLat Posit
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E. Participating institutes / compa
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Acronym Participants iSiTEC GmbH IS
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F. Participants F. 1 Participants A
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F. 2 Participants ARK XIX/3b Armand
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F. 3 Participants ARK XIX/3c Bauerf
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Preface The expedition ARK XIX/3 with the German icebreaking RV ...

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