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Data Publisher for Earth & Environmental Science

Angelopoulos, Michael; Overduin, Pier Paul; Jenrich, Maren; Nitze, Ingmar; Günther, Frank; Strauss, Jens; Westermann, Sebastian; Schirrmeister, Lutz; Kholodov, Alexander L; Krautblatter, Michael; Grigoriev, Mikhail N; Grosse, Guido (2021): Marine electrical resistivity profile 4 - west, Bykovsky Peninsula, Siberia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.934168, In: Angelopoulos, M et al. (2021): Marine electrical resistivity data parallel to the southern coastline of the Bykovsky Peninsula, Siberia [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.934169

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Abstract:
The data was collected with an IRIS Syscal Pro Deep Marine resistivity system that was equipped with a GPS and an echo-sounder to record water depths. The geoelectric cable had an electrode separation of 10 m and the electrodes were arranged in a reciprocal Wenner Schlumberger array. The offset between the first electrode and the boat was approximately 10 m.
Keyword(s):
Alas; Bykovsky; electrical resistivity; Lena Delta; Near surface geophysics; Submarine Permafrost; subsea permafrost; talik; Thermokarst Lagoon
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764B: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
Horizon 2020 (H2020), grant/award no. 773421: NUNATARYUK, Permafrost thaw and the changing Arctic coast, science for socioeconomic adaptation
Russian Foundation for Basic Research, grant/award no. 18‐05‐70091
Seventh Framework Programme (FP7), grant/award no. 338335: Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool
Coverage:
Median Latitude: 71.728153 * Median Longitude: 129.303844 * South-bound Latitude: 71.727325 * West-bound Longitude: 129.297516 * North-bound Latitude: 71.728775 * East-bound Longitude: 129.310257
Date/Time Start: 2017-07-20T00:00:00 * Date/Time End: 2017-07-20T00:00:00
Event(s):
BYK_profile4w_parallel_to_shore * Latitude Start: 71.728775 * Longitude Start: 129.310257 * Latitude End: 71.727325 * Longitude End: 129.297516 * Date/Time: 2017-07-20T00:00:00 * Campaign: RU-Land_2017_Lena (Lena2017) * Basis: AWI Arctic Land Expedition * Method/Device: Electrical resistivity tomography (ERT)
Comment:
Distance: Distance of boat position from starting point (m). This is not a cumulative distance.
Water_depth: Water depth (m) from echo-sounder
P1P2: Apparent resistivity (ohm-m) measured between potential electrodes P1 and P2. The remaining apparent resistivity columns have the same structure.
C1: Position (m) of current electrode C1 relative to the boat position. For example, -60 m indicates that C1 is located 60 m behind the boat at the profile start.
C2: Position (m) of current electrode C2 relative to the boat position. For example, -70 m indicates that C2 is located 70 m behind the boat at the profile start.
P1: Position (m) of potential electrode P1 relative to the boat position. For example, -80 m indicates that P1 is located 80 m behind the boat at the profile start.
P2: Position (m) of potential electrode P2 relative to the boat position. For example, -50 m indicates that P2 is located 50 m behind the boat at the profile start.
The remaining electrode position columns follow the same structure.
Latitude: latitude of boat position measured with GPS (WGS 1984)
Longitude: longitude of boat position measured with GPS (WGS 1984)
Note: Profile 4 (East) and Profile (West) were originally part of a single profile, but they were chopped into two segments for which the geoelectric cable was straight. Therefore, the initial distance of Profile (West) is listed as 357 m. Since the latter is the distance from the Profile 4 (East) origin point, the latitude and longitude coordinates should be used for more accurate estimates of distances between soundings along Profile 4 (West).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
POINT DISTANCE from startDistmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineGeocode – boat position
DEPTH, waterDepth watermAngelopoulos, MichaelGeocode
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP1P2
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP2P3
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP3P4
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP4P5
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP5P6
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP6P7
Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP7P8
10 Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP8P9
11 Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP9P10
12 Resistivity, apparentResistivity appOhm mAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP10P11
13 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineC1
14 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineC2
15 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP1
16 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP2
17 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP3
18 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP4
19 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP5
20 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP6
21 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP7
22 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP8
23 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP9
24 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP10
25 PositionPositionmAngelopoulos, MichaelResistivity profiler, IRIS Syscal Pro Deep MarineP11
26 LATITUDELatitudeAngelopoulos, MichaelGeocode
27 LONGITUDELongitudeAngelopoulos, MichaelGeocode
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1886 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Dist [m]
(boat position)

Depth water [m]

Resistivity app [Ohm m]
(P1P2)

Resistivity app [Ohm m]
(P2P3)

Resistivity app [Ohm m]
(P3P4)

Resistivity app [Ohm m]
(P4P5)

Resistivity app [Ohm m]
(P5P6)

Resistivity app [Ohm m]
(P6P7)

Resistivity app [Ohm m]
(P7P8)
10 
Resistivity app [Ohm m]
(P8P9)
11 
Resistivity app [Ohm m]
(P9P10)
12 
Resistivity app [Ohm m]
(P10P11)
13 
Position [m]
(C1)
14 
Position [m]
(C2)
15 
Position [m]
(P1)
16 
Position [m]
(P2)
17 
Position [m]
(P3)
18 
Position [m]
(P4)
19 
Position [m]
(P5)
20 
Position [m]
(P6)
21 
Position [m]
(P7)
22 
Position [m]
(P8)
23 
Position [m]
(P9)
24 
Position [m]
(P10)
25 
Position [m]
(P11)
26 
Latitude
27 
Longitude
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