Citation:

PANGAEA.922784

Name: Total flux of diatoms and relative composition of diatom groups in trap samples at the CBmeso (=Cape Blanc mesotrophic), off Mauritania
Creator: Oscar E Romero
Published: 2020-09-16
License: https://creativecommons.org/licenses/by/4.0/
Keywords: coastal upwelling; decadal; diatoms; Eastern Boundary Current Ecosystems; fluxes; Mauritania; multiyear; northwest Africa; Sediment traps; time-series

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Published: 2020-09-16 • DOI registered: 2021-03-08

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Abstract:

This study builds on earlier investigations of multiyear variability of the diatom flux captured with sediment traps deployed at the mesopelagial mooring site CBmeso (='Cape Blanc mesotrophic', formerly known as CB). The main goal of this study is the description of the multiyear dynamics of the total diatom flux and the shifts in the species-specific composition of the assemblage at site CBmeso during almost 20 years (March 1988 through June 2009).

Keyword(s):

coastal upwelling; decadal; diatoms; Eastern Boundary Current Ecosystems; fluxes; Mauritania; multiyear; northwest Africa; Sediment traps; time-series

Related to:

Romero, Oscar E; Ramondenc, Simon; Fischer, Gerhard (2021): A 2-decade (1988–2009) record of diatom fluxes in the Mauritanian coastal upwelling: impact of low-frequency forcing and a two-step shift in the species composition. Biogeosciences, 18(5), 1873-1891, https://doi.org/10.5194/bg-18-1873-2021

Project(s):

Center for Marine Environmental Sciences (MARUM)

Coverage:

Median Latitude: 21.225854 * Median Longitude: -20.707603 * South-bound Latitude: 20.755000 * West-bound Longitude: -20.845000 * North-bound Latitude: 21.300000 * East-bound Longitude: -19.742000

Date/Time Start: 1988-03-22T00:00:00 * Date/Time End: 2009-06-12T00:00:00

Minimum DEPTH, water: 745 m * Maximum DEPTH, water: 3633 m

Event(s):

CB1_trap * Latitude: 20.755000 * Longitude: -19.742000 * Date/Time Start: 1988-03-22T00:00:00 * Date/Time End: 1989-03-08T00:00:00 * Elevation: -3646.0 m * Campaign: * Basis: * Method/Device: Trap (TRAP)

CB2_trap * Latitude: 21.145000 * Longitude: -20.687000 * Date/Time Start: 1989-03-15T00:00:00 * Date/Time End: 1990-03-24T00:00:00 * Elevation: -4092.0 m * Campaign: * Basis: * Method/Device: Trap (TRAP)

CB3_trap * Latitude: 21.138000 * Longitude: -20.672000 * Date/Time Start: 1990-04-08T00:00:00 * Date/Time End: 1991-04-30T00:00:00 * Elevation: -4094.0 m * Campaign: * Basis: * Method/Device: Trap (TRAP)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Romero, Oscar E
2	Latitude of event	Latitude		Romero, Oscar E
3	Longitude of event	Longitude		Romero, Oscar E
4	Elevation of event	Elevation	m	Romero, Oscar E
5	Sample code/label	Sample label		Romero, Oscar E	Cape Blanc mesotrophic
6	DEPTH, water	Depth water	m	Romero, Oscar E	Geocode
7	Sample code/label	Sample label		Romero, Oscar E
8	Cruise/expedition	Expedition		Romero, Oscar E
9	DATE/TIME	Date/Time		Romero, Oscar E	Geocode – open
10	DATE/TIME	Date/Time		Romero, Oscar E	Geocode – close
11	Diatom valves, flux	Diatom valv flux	#/m²/day	Romero, Oscar E
12	Diatoms, benthic	Diatom benthic	%	Romero, Oscar E
13	Diatoms, coastal upwelling	Diatom coast upw	%	Romero, Oscar E
14	Diatoms, coastal planktic	Diatom coast plank	%	Romero, Oscar E
15	Diatoms, open-ocean	Diatom open oce	%	Romero, Oscar E

License:

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

Size:

2155 data points

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