the Expedition ARKTIS-XIX/4 of the research vessel POLARSTERN ...

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64 shaped profile at the top were inserted into the soil. To start the measurements the profile was filled with water and the PVC chamber was put on top of the frame. The chamber, having a size of 50x50x15 cm was connected with a gas collecting tube and a small membrane pump by rubber tubes. The membrane pump was used to create a constant gas flux through the system. After 30 minutes closing time aliquots of the headspace gas were removed with a gas tight syringe. The gas was transferred into gas-tight serum-bottles filled with NaCl-saturated solution. The concentrations of CH4 and CO2 were measured with a gas chromatograph (Agilent 6980) equipped with flame ionisation detector for the determination of the methane concentrations and a methanizer for the CO2 concentrations, respectively. sample ID date lake latitude longitude type depth Store Koldewey G 03-45 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-46 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-47 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-48 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-49 a-c 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-50 a-c 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-51 a-c 21. aug. N Melles 76°07'33.5'' W 018°36'17.2'' G 03-78 27. aug. Duck N 76°25'14.6" W 018°44'39.7" G 03-79 27. aug. Duck N 76°25'14.6" W 018°44'39.7" G 03-80 27. aug. Duck N 76°25'14.6" W 018°44'39.7" G 03-81 27. aug. Duck N 76°25'14.6" W 018°44'39.7" G 03-82 27. aug. Duck N 76°25'14.6" W 018°44'39.7" G 03-83 27. aug. Duck N 76°35'14.8" W 018°44'16.3" G 03-84 27. aug. Duck N 76°35'14.8" W 018°44'16.3" G 03-85 27. aug. Duck N 76°35'14.8" W 018°44'16.3" G 03-86 27. aug. Duck N 76°35'14.8" W 018°44'16.3" Geographical Society Ø G 03-112 13. sep. Loon N 72°52'49.8'' W 022°08´54.9'' G 03-113 13. sep. Loon N 72°52'49.8'' W 022°08´54.9'' G 03-114 13. sep. Loon N 72°52'49.8'' W 022°08´54.9'' sample amount planned analyses* soil, site 1 0-1 cm 0,5 kg PC, B soil, site 1 3-6 cm 0,5 kg PC, B soil, site 1 6-12 cm 0,5 kg PC, B soil, site 1 12+ cm 0,5 kg PC, B soil, site 1 3-6 cm ~ 5g M soil, site 1 6-12 cm ~ 5g M soil, site 1 12+ cm ~ 5g M soil, site 2 0-2 cm ~ 0,5 kg PC, B, M soil, site 2 2-4 cm ~ 0,5 kg PC, B, M soil, site 2 4-6 cm ~ 0,5 kg PC, B, M soil, site 2 6-29 cm ~ 0,5 kg PC, B soil, site 2 29+ cm ~ 0,5 kg PC, B soil, site 3 0-4 cm ~ 0,5 kg PC, B, M soil, site 3 4-35 cm ~ 0,5 kg PC, B, M soil, site 3 35-44 cm ~ 0,5 kg PC, B, M soil, site 3 44+ cm ~ 0,5 kg PC, B, M soil, site 5 0-2 cm 0,5 kg PC, B soil, site 5 2-4 cm 0,5 kg PC, B soil, site 5 4-6 cm 0,5 kg PC, B
sample ID date lake latitude longitude type depth G 03-115 13. sep. Loon G 03-116 13. sep. Loon G 03-117 13. sep. Loon G 03-118 13. sep. Loon G 03-119 13. sep. Loon N W 72°52'49.8'' 022°08´54.9'' N W 72°52'49.8'' 022°08´54.9'' N W 72°52'48.2'' 022°08'58.0'' N W 72°52'48.2'' 022°08'58.0'' N W 72°52'48.2'' 022°08'58.0'' sample amount planned analyses* soil, site 5 6-9 cm 0,5 kg PC, B soil, site 5 9-22 cm 0,5 kg PC, B soil, site 4 0-2 cm 0,5 kg PC, B soil, site 4 2-9 cm 0,5 kg PC, B soil, site 4 9-16 cm 0,5 kg PC, B * PC = physical and chemical soil analyses; B = micro- an molecularbiological analyses; M = CH4-content Tab. 6.4-1: List of soil samples taken during the field work on Store Koldewey and Geographical Society Ø. After the period of emission measurements soils were described and sampled. Beside the German classification (KA4), the soils were described using the 8 th edition of the US Soil Taxonomy (ST). From each horizon samples were taken for analysing several soil parameters, which influence the methane emission (C/N-ratio, Corgcontent, DOC-content). These samples were stored and transported at +4°C. The samples that were taken for the micro- and molecularbiological analyses were stored and transported at –18°C. Methane emission measurements and soil sampling were done at five different sites (Tab. 3). Four of them were Gleys, situated near the shores of the investigated lakes. A detailed description is given for three of the measuring sites in Tab. 4-6. depth horizon description sample-ID (cm) (KA4 / ST)* 0-1 Ah / Ajj very strong rooted, very dark grey (10YR 3/1) loamy sand, high content of organic material, pebbles on the surface G03-45 1-6 Go1 / B 1 sparse rooted, dark greyish brown (10YR 4/2) loamy sand, very low content of organic material, 1-3 cm layer of pebbles G03-46 6-12 Go2 / B 2 very sparse rooted, brown (10YR 4/3) loamy sand, no organic material G03-47 12- Gr / Bg non rooted, greyish brown (2,5 Y 5/2) sandy silty loam, G03-48 40+ no organic material Tab. 6.4-2: Gley (site 1) location: Store Koldewey; N 76°07’33.5’’ W 018°36’17.2’’ landform / elevation: end of a flat slope at the shore of Lake Melles, 166 m a.s.l. vegetation: mosses, lichens; vegetation cover: 20 – 30 % water table: 13 cm parent material: moraine material KA4: Gley Soil Taxonomy: Cryaquept 65
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the Expedition ARKTIS-XIX/4 of the
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1 Cruise summary W. Jokat The exped
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6 1.1 Wetterverlauf ARK XIX/4a Bei
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8 noch vor der Küste, fern davon a
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10 northerly wind increased steadil
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12 In the latest stages of the proj
Page 16 and 17: Profile Date/Time Start Date/Time T
Page 18 and 19: Station Typ Extra Lat Long Höhe [m
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Page 22 and 23: Date Flight Start Time End Time No
Page 32 and 33: 30 Preliminary results Along profil
Page 34 and 35: 32 In addition to the deep seismic
Page 36 and 37: 34 Fig. 2-5: Flight statistics for
Page 38 and 39: 36 Fig. 3-1: Seafloor topography of
Page 40 and 41: 38 In total, the PARASOUND system o
Page 42 and 43: 40 Figure 4.1-3: Example of PARASOU
Page 44 and 45: 42 Station Latitude Longitude Date
Page 46 and 47: 44 After PCR was finished, samples
Page 48 and 49: 46 Potsdam Lake (Shannon Island) Sc
Page 50 and 51: 48 In den Schmelzwassertümpeln kon
Page 52 and 53: Temp. Sal. Tiefe max. Tiefe Trübe
Page 54 and 55: 52 Store Koldewey Store Koldewey is
Page 56 and 57: 54 In the shallow ponds the hydrolo
Page 58 and 59: 56 The low amounts of solubles in t
Page 60 and 61: 58 lake core no. latitude longitude
Page 62 and 63: 60 6.3 Diatom phytoplankton and phy
Page 64 and 65: 62 Generally, all sampled benthic s
Page 68 and 69: 66 depth horizon description sample
Page 70 and 71: 68 measured in the field, and the c
Page 72 and 73: 70 Summary of results The summit pl
Page 74 and 75: 72 Pre-Holocene shell material Pre-
Page 76 and 77: 74 Christensen, T.R. (1993): Methan
Page 78 and 79: 76 No EVK2-2001-00215 (ASOF-N). The
Page 80 and 81: 78 Altimeters Model 2110-2, SN 189
Page 82 and 83: 80 Mooring Latitude Longitude Water
Page 84 and 85: 82 Mooring Latitude Longitude Water
Page 86 and 87: 84 30° W 20° W 30° W Greenland 2
Page 88 and 89: Fig. 7-4: Vertical transects of pot
Page 90 and 91: 88 8 Bericht zur akustischen Vermes
Page 92 and 93: 90 Quality control sheet - Profile
Page 94 and 95: 92 Quality control sheet - Profile
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142 Beteiligte Institutionen / Part
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144 Fahrtteilnehmer / Participants
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