Citation:

PANGAEA.981677

Name: Chlorophyll a measurements from discrete water samples during RV MARIA S. MERIAN cruise MSM65 (2017-06-25 – 2017-07-19, GREENHAB II)
Published: 2025-05-06
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Baffin Bay; Chlorophyll a; Davis Strait; Fluorescence; GREENHAB II; Greenland; Labrador Sea; North Atlantic Ocean; Phaeophytin a

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2025-05-06 • DOI registered: 2025-06-04

RIS Citation BibTeX Citation Text Citation ShareShow Map Google Earth

Abstract:

This dataset was collected during the cruise MSM65 (GREENHAB II, 2017-06-25 – 2017-07-19) with RV MARIA S MERIAN from St. John's, Canada to Nuuk, Greenland. It contains chlorophyll a measurements [µg/L] from water samples collected from discrete sampling via CTD. In total, 46 stations have been sampled from various depth. To obtain chl-a concentrations water samples were filtered onboard through 0.7 μm pore size, glass fiber filters (Whatmann GF/F) under low vacuum. Filters were frozen immediately at -80 °C until extraction in laboratory via 90% acetone. Concentrations were calculated from fluorescence measured with a pre-calibrated Turner Design TD700 laboratory fluorometer (EPA445.0, Arar & Collins, 1997).

Keyword(s):

Baffin Bay; Chlorophyll a; Davis Strait; Fluorescence; GREENHAB II; Greenland; Labrador Sea; North Atlantic Ocean; Phaeophytin a

Related to:

Zielinski, Oliver; Anderson, Donald M; Braun, Axel; Cembella, Allan; D'Entremont, Nicole; Donnelly, Jeffrey P; Fischer, Alexis D; Henkel, Rohan; Koch, Boris P; Krieger, E; Krock, Bernd; Leefmann, Tim; Mascarenhas, Veloisa J; Meier, Daniela; Müller, Annegret; Pieck, Martin; Rhein, Monika; Rieger, Niclas; Siddall, Greg; Sültenfuß, Jürgen; Tillmann, Urban; Tillmann, Anette; Trefault, Nicole; Vásquez, Mónica; Voß, Daniela; Wallace, Douglas WR (2017): Do harmful algae have a northern limit? Cruise No. MSM65 25.06.2017 - 19.07.2017, St John's (Canada) - Nuuk (Greenland), GREENHAB II. MARIA S. MERIAN-Berichte, Gutachterpanel Forschungsschiffe, MSM65, 61 pp, https://doi.org/10.2312/cr_msm65

References:

Arar, E J; Collins, G B (1997): Method 445.0 In Vitro Determination of Chlorophyll a and Pheophytin ain Marine and Freshwater Algae by Fluorescence. U.S. Environmental Protection Agency, Washington, DC, 1997, https://cfpub.epa.gov/si/si_public_record_report.cfm?Lab=NERL&dirEntryId=309417 (M445_0.PDF)

Funding:

German Research Foundation (DFG), grant/award no. 273739224 : Priority Programme 1889 Regional Sea Level Change and Society

Ministry for Science and Culture of Lower Saxony (MWK), grant/award no. VWZN3175: Coastal ocean darkening – Light availability in the past and future marine environment

Coverage:

Median Latitude: 67.141255 * Median Longitude: -53.066186 * South-bound Latitude: 56.823617 * West-bound Longitude: -59.290209 * North-bound Latitude: 75.000558 * East-bound Longitude: -50.219042

Date/Time Start: 2017-06-28T01:43:40 * Date/Time End: 2017-07-17T15:35:20

Minimum DEPTH, water: 3 m * Maximum DEPTH, water: 90 m

Event(s):

MSM65_4-1 * Latitude: 56.823630 * Longitude: -52.219120 * Date/Time: 2017-06-28T02:59:00 * Elevation: -3534.0 m * Location: Labrador Sea * Campaign: (GREENHAB II) * Basis: * Method/Device: (CTD-RO)

MSM65_6-1 * Latitude: 63.933090 * Longitude: -52.933580 * Date/Time: 2017-06-29T12:03:00 * Elevation: -68.0 m * Location: Davis Strait * Campaign: (GREENHAB II) * Basis: * Method/Device: (CTD-RO)

MSM65_7-1 * Latitude: 63.933300 * Longitude: -52.383650 * Date/Time: 2017-06-29T16:38:00 * Elevation: -226.0 m * Location: Davis Strait * Campaign: (GREENHAB II) * Basis: * Method/Device: (CTD-RO)

Comment:

Chief Scientist of MSM65: Prof. Dr. Oliver Zielinski, Institute for Chemistry and Biology of the Marine Environment

Financial support was kindly provided by the Deutsche Forschungsgemeinschaft (DFG), Senatskommission Ozeanographie (MerMet 15-85 Zielinski). Additional financial support was provided through funding from AWI (PACES program), WHOI and ICBM.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Voß, Daniela
2	DATE/TIME	Date/Time		Voß, Daniela		Geocode
3	LATITUDE	Latitude		Voß, Daniela		Geocode
4	LONGITUDE	Longitude		Voß, Daniela		Geocode
5	Depth, bathymetric	Bathy depth	m	Voß, Daniela
6	DEPTH, water	Depth water	m	Voß, Daniela		Geocode – Depth, sample
7	Chlorophyll a	Chl a	µg/l	Voß, Daniela	Fluorometer, Turner Design, TD-700
8	Phaeophytin a	Phaeophytin a	µg/l	Voß, Daniela	Fluorometer, Turner Design, TD-700
9	Phaeophytin a/Chlorophyll a ratio	Phaeophytin a/Chl a		Voß, Daniela	Calculated

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)

Size:

552 data points

Data

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

1 Event	2 Date/Time	3 Latitude	4 Longitude	5 Bathy depth [m]	6 Depth water [m]	7 Chl a [µg/l]	8 Phaeophytin a [µg/l]	9 Phaeophytin a/Chl a
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	3	4.38	0.95	0.22
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	11	5.47	1.08	0.20
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	20	2.68	0.55	0.21
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	29	2.05	0.28	0.14
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	59	0.07	0.14	2.02
MSM65_4-1	2017-06-28T01:43:40	56.823617	-52.219094	3535.7	90	0.03	0.08	2.83
MSM65_6-1	2017-06-29T11:50:37	63.933093	-52.933568	68.3	3	0.84	0.50	0.59
MSM65_6-1	2017-06-29T11:50:37	63.933093	-52.933568	68.3	10	0.82	0.50	0.61
MSM65_6-1	2017-06-29T11:50:37	63.933093	-52.933568	68.3	20	0.78	0.57	0.73
MSM65_6-1	2017-06-29T11:50:37	63.933093	-52.933568	68.3	40	0.11	0.25	2.37
MSM65_7-1	2017-06-29T16:25:20	63.933301	-52.383636	226.3	3	0.80	0.53	0.66
MSM65_7-1	2017-06-29T16:25:20	63.933301	-52.383636	226.3	10	0.87	0.58	0.66
MSM65_7-1	2017-06-29T16:25:20	63.933301	-52.383636	226.3	20	0.92	0.41	0.44
MSM65_7-1	2017-06-29T16:25:20	63.933301	-52.383636	226.3	40	0.10	0.14	1.50
MSM65_8-1	2017-06-29T20:06:36	64.116581	-51.916853	374.3	3	0.50	0.31	0.61
MSM65_8-1	2017-06-29T20:06:36	64.116581	-51.916853	374.3	10	0.48	0.30	0.62
MSM65_8-1	2017-06-29T20:06:36	64.116581	-51.916853	374.3	20	0.30	0.70	2.36
MSM65_8-1	2017-06-29T20:06:36	64.116581	-51.916853	374.3	40	0.28	0.17	0.62
MSM65_11-1	2017-06-30T10:00:41	64.163785	-51.452678	147.1	3	0.89	0.60	0.67
MSM65_11-1	2017-06-30T10:00:41	64.163785	-51.452678	147.1	10	0.70	0.73	1.05
MSM65_11-1	2017-06-30T10:00:41	64.163785	-51.452678	147.1	20	1.09	0.50	0.46
MSM65_11-1	2017-06-30T10:00:41	64.163785	-51.452678	147.1	40	0.58	0.37	0.64
MSM65_12-1	2017-06-30T14:39:06	64.174973	-51.529380	113.7	3	1.45	0.72	0.50
MSM65_12-1	2017-06-30T14:39:06	64.174973	-51.529380	113.7	10	1.35	0.60	0.45
MSM65_12-1	2017-06-30T14:39:06	64.174973	-51.529380	113.7	20	0.82	0.40	0.48
MSM65_12-1	2017-06-30T14:39:06	64.174973	-51.529380	113.7	40	0.23	0.30	1.30
MSM65_13-1	2017-06-30T18:27:30	64.132443	-51.643186	63.3	3	0.78	0.13	0.16
MSM65_13-1	2017-06-30T18:27:30	64.132443	-51.643186	63.3	10	3.44	0.86	0.25
MSM65_15-2	2017-07-01T10:48:52	64.672193	-50.219042	431.9	3	0.61	0.19	0.32
MSM65_15-2	2017-07-01T10:48:52	64.672193	-50.219042	431.9	10	2.95	1.36	0.46
MSM65_15-2	2017-07-01T10:48:52	64.672193	-50.219042	431.9	20	5.50	0.77	0.14
MSM65_15-2	2017-07-01T10:48:52	64.672193	-50.219042	431.9	40	0.32	0.22	0.68
MSM65_16-1	2017-07-01T17:00:06	64.714508	-50.598737	518.1	3	0.82	0.52	0.64
MSM65_16-1	2017-07-01T17:00:06	64.714508	-50.598737	518.1	10	2.22	1.56	0.70
MSM65_16-1	2017-07-01T17:00:06	64.714508	-50.598737	518.1	15	0.04	0.01	0.33
MSM65_16-1	2017-07-01T17:00:06	64.714508	-50.598737	518.1	40	0.06	0.04	0.58
MSM65_18-1	2017-07-02T09:59:09	64.721779	-51.116617	141.2	3	0.06	0.14	2.25
MSM65_18-1	2017-07-02T09:59:09	64.721779	-51.116617	141.2	20	0.27	0.20	0.75
MSM65_19-1	2017-07-02T15:03:17	64.622409	-50.966940	567.6	3	1.10	0.27	0.25
MSM65_19-1	2017-07-02T15:03:17	64.622409	-50.966940	567.6	26	0.70	0.40	0.57
MSM65_19-1	2017-07-02T15:03:17	64.622409	-50.966940	567.6	40	1.02	0.05	0.05
MSM65_20-1	2017-07-02T20:01:27	64.566572	-51.203274	591.6	3	0.95	0.30	0.31
MSM65_20-1	2017-07-02T20:01:27	64.566572	-51.203274	591.6	20	1.20	0.71	0.59
MSM65_20-1	2017-07-02T20:01:27	64.566572	-51.203274	591.6	40	1.55	0.86	0.55
MSM65_22-1	2017-07-03T10:02:04	64.416863	-51.496111	612.9	3	0.55	0.43	0.79
MSM65_22-1	2017-07-03T10:02:04	64.416863	-51.496111	612.9	20	1.99	0.74	0.37
MSM65_22-1	2017-07-03T10:02:04	64.416863	-51.496111	612.9	40	0.43	0.24	0.57
MSM65_23-1	2017-07-03T14:03:25	64.266723	-51.665020	348.2	3	0.92	0.60	0.65
MSM65_23-1	2017-07-03T14:03:25	64.266723	-51.665020	348.2	20	2.66	0.53	0.20
MSM65_23-1	2017-07-03T14:03:25	64.266723	-51.665020	348.2	40	0.23	0.46	2.03
MSM65_25-1	2017-07-04T10:02:18	65.497037	-53.025667	129.6	3	1.45	0.22	0.15
MSM65_25-1	2017-07-04T10:02:18	65.497037	-53.025667	129.6	10	3.59	0.74	0.21
MSM65_25-1	2017-07-04T10:02:18	65.497037	-53.025667	129.6	40	0.38	0.64	1.66
MSM65_26-1	2017-07-04T15:08:06	65.550086	-53.583345	154.6	3	1.78	0.63	0.35
MSM65_26-1	2017-07-04T15:08:06	65.550086	-53.583345	154.6	20	1.46	0.68	0.46
MSM65_26-1	2017-07-04T15:08:06	65.550086	-53.583345	154.6	40	0.74	1.21	1.64
MSM65_27-1	2017-07-04T19:00:25	65.766658	-54.083291	96.8	3	2.03	0.76	0.38
MSM65_27-1	2017-07-04T19:00:25	65.766658	-54.083291	96.8	10	2.06	0.75	0.37
MSM65_27-1	2017-07-04T19:00:25	65.766658	-54.083291	96.8	20	2.05	1.02	0.49
MSM65_27-1	2017-07-04T19:00:25	65.766658	-54.083291	96.8	35	0.12	3.51	28.84
MSM65_28-1	2017-07-05T10:02:50	67.816775	-54.058399	124.1	3	1.36	0.59	0.43
MSM65_28-1	2017-07-05T10:02:50	67.816775	-54.058399	124.1	10	2.09	0.50	0.24
MSM65_28-1	2017-07-05T10:02:50	67.816775	-54.058399	124.1	40	2.21	0.51	0.23
MSM65_29-1	2017-07-05T15:37:53	68.166806	-54.750076	47.9	3	0.54	0.17	0.31
MSM65_29-1	2017-07-05T15:37:53	68.166806	-54.750076	47.9	20	1.02	0.35	0.34
MSM65_29-1	2017-07-05T15:37:53	68.166806	-54.750076	47.9	40	0.98	0.57	0.58
MSM65_31-1	2017-07-06T10:34:01	67.865373	-53.748558	139.5	3	0.42	0.24	0.58
MSM65_31-1	2017-07-06T10:34:01	67.865373	-53.748558	139.5	20	0.79	0.47	0.59
MSM65_31-1	2017-07-06T10:34:01	67.865373	-53.748558	139.5	40	0.44	0.39	0.90
MSM65_32-1	2017-07-06T18:49:49	68.600088	-54.217082	415.9	3	0.53	0.13	0.24
MSM65_32-1	2017-07-06T18:49:49	68.600088	-54.217082	415.9	20	0.54	0.21	0.39
MSM65_32-1	2017-07-06T18:49:49	68.600088	-54.217082	415.9	40	2.06	0.87	0.42
MSM65_34-1	2017-07-07T10:01:04	69.448557	-53.820227	78.0	3	1.07	0.31	0.29
MSM65_34-1	2017-07-07T10:01:04	69.448557	-53.820227	78.0	10	1.64	0.45	0.28
MSM65_34-1	2017-07-07T10:01:04	69.448557	-53.820227	78.0	20	2.56	0.58	0.23
MSM65_34-1	2017-07-07T10:01:04	69.448557	-53.820227	78.0	40	0.30	0.25	0.83
MSM65_35-1	2017-07-07T17:47:17	69.749823	-55.298149	90.4	3	0.59	0.41	0.69
MSM65_35-1	2017-07-07T17:47:17	69.749823	-55.298149	90.4	20	0.54	1.08	1.99
MSM65_35-1	2017-07-07T17:47:17	69.749823	-55.298149	90.4	40	0.17	0.77	4.43
MSM65_37-1	2017-07-08T10:02:20	71.925675	-55.883339	255.4	3	2.75	0.58	0.21
MSM65_37-1	2017-07-08T10:02:20	71.925675	-55.883339	255.4	10	2.79	0.69	0.25
MSM65_37-1	2017-07-08T10:02:20	71.925675	-55.883339	255.4	40	0.45	0.58	1.28
MSM65_38-1	2017-07-08T16:37:09	72.499771	-56.749996	222.3	3	0.11	0.03	0.28
MSM65_38-1	2017-07-08T16:37:09	72.499771	-56.749996	222.3	10	0.14	0.04	0.28
MSM65_38-1	2017-07-08T16:37:09	72.499771	-56.749996	222.3	30	1.64	1.24	0.76
MSM65_38-1	2017-07-08T16:37:09	72.499771	-56.749996	222.3	40	0.84	0.94	1.12
MSM65_41-1	2017-07-09T09:56:28	74.583731	-58.259793	214.4	3	0.36	0.09	0.25
MSM65_41-1	2017-07-09T09:56:28	74.583731	-58.259793	214.4	20	1.69	0.30	0.18
MSM65_41-1	2017-07-09T09:56:28	74.583731	-58.259793	214.4	30	4.26	1.20	0.28
MSM65_42-1	2017-07-09T15:46:19	75.000558	-59.290209	515.1	3	0.12	0.03	0.21
MSM65_42-1	2017-07-09T15:46:19	75.000558	-59.290209	515.1	27	2.49	0.54	0.22
MSM65_45-3	2017-07-11T09:47:52	70.490411	-54.415063	488.3	3	1.95	0.60	0.31
MSM65_45-3	2017-07-11T09:47:52	70.490411	-54.415063	488.3	20	3.34	0.81	0.24
MSM65_45-3	2017-07-11T09:47:52	70.490411	-54.415063	488.3	40	3.40	1.26	0.37
MSM65_46-1	2017-07-11T15:37:10	70.254598	-52.997221	395.8	3	0.54	0.33	0.61
MSM65_46-1	2017-07-11T15:37:10	70.254598	-52.997221	395.8	20	0.81	0.58	0.71
MSM65_46-1	2017-07-11T15:37:10	70.254598	-52.997221	395.8	40	0.18	0.23	1.31
MSM65_47-1	2017-07-11T20:29:12	69.915687	-52.085287	546.9	3	0.56	0.09	0.16
MSM65_47-1	2017-07-11T20:29:12	69.915687	-52.085287	546.9	20	2.93	0.49	0.17
MSM65_47-1	2017-07-11T20:29:12	69.915687	-52.085287	546.9	40	1.89	0.93	0.49
MSM65_49-4	2017-07-12T09:27:30	69.215105	-53.516527	181.6	3	0.27	0.16	0.57
MSM65_49-4	2017-07-12T09:27:30	69.215105	-53.516527	181.6	20	0.74	0.34	0.47
MSM65_49-4	2017-07-12T09:27:30	69.215105	-53.516527	181.6	50	1.31	0.94	0.72
MSM65_50-1	2017-07-12T15:49:41	68.783538	-53.666503	910.1	3	2.27	0.57	0.25
MSM65_50-1	2017-07-12T15:49:41	68.783538	-53.666503	910.1	20	0.72	0.43	0.60
MSM65_51-1	2017-07-12T19:21:59	68.899823	-54.165900	121.5	3	0.43	0.30	0.70
MSM65_51-1	2017-07-12T19:21:59	68.899823	-54.165900	121.5	30	2.51	1.51	0.60
MSM65_54-1	2017-07-13T14:01:25	69.200277	-54.098734	162.9	3	0.37	0.11	0.29
MSM65_54-1	2017-07-13T14:01:25	69.200277	-54.098734	162.9	20	1.99	0.49	0.25
MSM65_54-1	2017-07-13T14:01:25	69.200277	-54.098734	162.9	40	1.15	0.59	0.52
MSM65_55-1	2017-07-13T17:49:40	69.083238	-52.941875	456.7	3	0.12	0.05	0.39
MSM65_55-1	2017-07-13T17:49:40	69.083238	-52.941875	456.7	20	0.20	0.76	3.85
MSM65_55-1	2017-07-13T17:49:40	69.083238	-52.941875	456.7	40	0.50	0.45	0.91
MSM65_57-4	2017-07-14T09:52:41	68.745906	-52.576104	153.7	3	1.91	0.40	0.21
MSM65_57-4	2017-07-14T09:52:41	68.745906	-52.576104	153.7	30	2.88	0.98	0.34
MSM65_57-4	2017-07-14T09:52:41	68.745906	-52.576104	153.7	80	1.67	1.02	0.61
MSM65_58-1	2017-07-14T16:08:24	69.200060	-52.499028	520.2	3	0.27	0.11	0.40
MSM65_58-1	2017-07-14T16:08:24	69.200060	-52.499028	520.2	33	1.96	0.41	0.21
MSM65_58-1	2017-07-14T16:08:24	69.200060	-52.499028	520.2	80	0.14	0.25	1.78
MSM65_60-4	2017-07-15T10:02:05	68.719881	-52.274404	119.9	3	0.92	0.25	0.27
MSM65_60-4	2017-07-15T10:02:05	68.719881	-52.274404	119.9	20	2.87	0.88	0.31
MSM65_60-4	2017-07-15T10:02:05	68.719881	-52.274404	119.9	40	1.47	1.24	0.84
MSM65_61-1	2017-07-15T13:43:56	68.933527	-52.499823	322.0	3	0.20	0.15	0.72
MSM65_61-1	2017-07-15T13:43:56	68.933527	-52.499823	322.0	40	0.81	0.75	0.93
MSM65_62-1	2017-07-15T17:25:54	69.166803	-51.699456	263.9	3	0.19	0.10	0.55
MSM65_62-1	2017-07-15T17:25:54	69.166803	-51.699456	263.9	33	0.80	0.69	0.86
MSM65_63-4	2017-07-16T09:26:05	68.713820	-51.729609	231.7	3	0.52	0.17	0.33
MSM65_63-4	2017-07-16T09:26:05	68.713820	-51.729609	231.7	30	2.37	1.48	0.63
MSM65_64-1	2017-07-16T14:53:04	68.957442	-51.782429	275.1	3	0.29	0.13	0.44
MSM65_64-1	2017-07-16T14:53:04	68.957442	-51.782429	275.1	26	0.66	0.78	1.19
MSM65_65-1	2017-07-16T18:38:03	69.366734	-51.699523	341.2	3	0.35	0.13	0.37
MSM65_65-1	2017-07-16T18:38:03	69.366734	-51.699523	341.2	26	0.64	0.59	0.93
MSM65_66-5	2017-07-17T09:40:58	69.250711	-53.807386	61.6	3	0.96	0.30	0.31
MSM65_66-5	2017-07-17T09:40:58	69.250711	-53.807386	61.6	13	0.81	0.46	0.57
MSM65_67-1	2017-07-17T11:56:40	69.061606	-53.910974	140.8	3	0.35	0.11	0.31
MSM65_67-1	2017-07-17T11:56:40	69.061606	-53.910974	140.8	20	3.80	0.68	0.18
MSM65_68-1	2017-07-17T15:35:20	68.760458	-53.183100	338.8	3	1.71	0.52	0.31
MSM65_68-1	2017-07-17T15:35:20	68.760458	-53.183100	338.8	25	3.75	0.74	0.20