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Chandler, David M; Mackie, Shona (2020): Observations of winter marine microbial activity in an ice-covered fjord, West Greenland: individual observations [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.912677

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Abstract:
These data are the first observations of Arctic winter microbial activity under sea ice in a west Greenland fjord (Lillefjord, 70°30'N 50°40'W), and are based on changes in dissolved oxygen content in light and dark in-situ incubations. The results can be used to calculate rates of net community productivity, respiration and photosynthesis under the ice. Data were collected at two fully ice-covered sites during February 2013, shortly after the end of the polar night. These are the results for individual bottles in each experiment. Methods are described in the 'Method.txt' file and results are summarised in doi:10.1594/PANGAEA.906332.
Keyword(s):
Greenland; marine; microbial activity; productivity; Sea ice
Other version:
Chandler, David M; Mackie, Shona (2019): Observations of winter marine productivity in an ice-covered fjord, West Greenland. PANGAEA, https://doi.org/10.1594/PANGAEA.906332
Coverage:
Latitude: 70.500000 * Longitude: -50.670000
Date/Time Start: 2013-02-06T17:14:00 * Date/Time End: 2013-03-06T21:20:00
Event(s):
Lillefjord_H1 (Lillefjord, Fjord edge) * Latitude: 70.500000 * Longitude: -50.670000 * Date/Time Start: 2013-02-06T17:25:00 * Date/Time End: 2013-03-04T20:45:00 * Method/Device: Incubation, in situ productivity (ISPROD) * Comment: water 5-10 m deep
Lillefjord_H2 (Lillefjord, Fjord centre) * Latitude: 70.500000 * Longitude: -50.670000 * Date/Time Start: 2013-02-10T17:40:00 * Date/Time End: 2013-02-28T18:22:00 * Method/Device: Incubation, in situ productivity (ISPROD) * Comment: water ~300 m deep
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventChandler, David M
2ExperimentExpChandler, David M
3SalinitySalChandler, David M
4Temperature, waterTemp°CChandler, David M
5Bottle numberBottleChandler, David M
6TypeTypeChandler, David ML = light bottles, D = dark bottles
7DATE/TIMEDate/TimeChandler, David MGeocode – Time in
8DATE/TIMEDate/TimeChandler, David MGeocode – Time out
9Oxygen, dissolvedDOmg/lChandler, David Min
10Oxygen, dissolved, errorDO e±Chandler, David Min; stdev
11Oxygen, dissolvedDOmg/lChandler, David Mout
12Oxygen, dissolved, errorDO e±Chandler, David Mout; stdev
13Oxygen, dissolved, changeΔDOmg/l/dayChandler, David M
14Present weatherwwChandler, David M
15Snow typeSnowChandler, David M
16CommentCommentChandler, David M
Size:
1146 data points

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