Citation:

PANGAEA.947802

Name: Bulk organic matter concentrations and microorganisms abundance at SML stations during Alkor cruises AL510 and AL516
Published: 2022-08-31
License: https://creativecommons.org/licenses/by/4.0/
Keywords: air-sea gas transfer; amino acids; carbohydrates; DOC; flow cytometry; local controls; sea surface microlayer; Surfactants

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Abstract:

During two crusies in June (AL510) and September (AL516) 2018, a data set (N=76) from the sea surface microlayer (SML) was compiled in Eckernförde Bay, Germany. SML samples were collected with the glass plate technique. Reference samples from the underlying water (ULW) at an approx. depth of 20cm were collected with the help of a bottle. Total and dissolved hydrolysable amino acids, combined carbohydrates and dissolved organic carbon were analyzed to describe surfactant dynamics (based on phase-sensitive AC voltammetry). Flow cytometry provided additional information on bacteria and phytoplankton community composition. This data set resolves dynamics on short temporal (diurnal sampling ) and local scales (within an area of 50km^2).

Keyword(s):

air-sea gas transfer; amino acids; carbohydrates; DOC; flow cytometry; local controls; sea surface microlayer; Surfactants

Coverage:

Median Latitude: 54.583095 * Median Longitude: 10.105165 * South-bound Latitude: 54.499000 * West-bound Longitude: 10.029000 * North-bound Latitude: 54.725000 * East-bound Longitude: 10.204650

Date/Time Start: 2018-06-03T00:00:00 * Date/Time End: 2018-09-22T00:00:00

Minimum Elevation: -27.9 m * Maximum Elevation: -12.0 m

Event(s):

AL510_9-1 * Latitude: 54.578790 * Longitude: 10.106950 * Date/Time: 2018-06-03T15:04:00 * Elevation: -25.0 m * Location: Baltic Sea * Campaign: * Basis: * Method/Device: (CTD-RO)

AL510_27-1 * Latitude: 54.583760 * Longitude: 10.104460 * Date/Time: 2018-06-04T11:28:00 * Elevation: -25.0 m * Location: Baltic Sea * Campaign: * Basis: * Method/Device: (CTD-RO)

AL510_29-1 * Latitude: 54.535210 * Longitude: 10.096300 * Date/Time: 2018-06-05T04:08:00 * Elevation: -23.0 m * Location: Baltic Sea * Campaign: * Basis: * Method/Device: (CTD-RO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Barthelmeß, Theresa
2	DATE/TIME	Date/Time		Barthelmeß, Theresa	Geocode
3	Station label	Station		Barthelmeß, Theresa	SML_station
4	Surfactants	Surfact	mg-eq/l	Barthelmeß, Theresa
5	Standard deviation	Std dev	±	Barthelmeß, Theresa	surfactants
6	Carbon, organic, dissolved	DOC	µmol/l	Barthelmeß, Theresa
7	Standard deviation	Std dev	±	Barthelmeß, Theresa	DOC
8	Amino acids, dissolved	DAA	nmol/l	Barthelmeß, Theresa
9	Standard deviation	Std dev	±	Barthelmeß, Theresa	DAA
10	Amino acid, total	TAA	nmol/l	Barthelmeß, Theresa
11	Standard deviation	Std dev	±	Barthelmeß, Theresa	TAA
12	Carbohydrates, dissolved	DCHO	nmol/l	Barthelmeß, Theresa
13	Standard deviation	Std dev	±	Barthelmeß, Theresa	DCHO
14	Carbohydrates, total	TCHO	nmol/l	Barthelmeß, Theresa
15	Standard deviation	Std dev	±	Barthelmeß, Theresa	TCHO
16	Bacteria	Bact	#/ml	Barthelmeß, Theresa
17	High nucleic acid bacteria	HNA	#/ml	Barthelmeß, Theresa
18	Low nucleic acid bacteria	LNA	#/ml	Barthelmeß, Theresa
19	Phytoplankton, total	Phytopl tot	#/ml	Barthelmeß, Theresa
20	Phytoplankton, non-cyanobacteria like	NCBL	#/ml	Barthelmeß, Theresa	small
21	Phytoplankton, non-cyanobacteria like	NCBL	#/ml	Barthelmeß, Theresa	medium
22	Phytoplankton, non-cyanobacteria like	NCBL	#/ml	Barthelmeß, Theresa	large
23	Phytoplankton, cyanobacteria like	CBL	#/ml	Barthelmeß, Theresa	small
24	Phytoplankton, cyanobacteria like	CBL	#/ml	Barthelmeß, Theresa	large

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

1811 data points

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