Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ...
During a R.V. Meteor JGOFS-NABE cruise to a tropical site in the northeast Atlantic in spring 1989, three different vertical regimes with respect to nitrate distribution and availability within the euphotic zone were observed. Besides dramatic variations in the depth of the nitracline, a previously...
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1993
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ftdatacite:10.1594/pangaea.66484 2024-09-15T18:23:04+00:00 Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... Koeve, Wolfgang Eppley, Richard W Podewski, Sigrid Zeitzschel, Bernt 1993 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.66484 https://doi.pangaea.de/10.1594/PANGAEA.66484 en eng PANGAEA https://dx.doi.org/10.1016/0967-0645(93)90030-q Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Event label Date/Time of event Latitude of event Longitude of event Elevation of event DEPTH, water Temperature, water Salinity Density, sigma-theta 0 Ammonium Oxygen Nitrate and Nitrite Nitrite Phosphate Silicate Chlorophyll a Nanoflagellates, heterotrophic Cyanobacteria Bacteria Eukaryotes Carbon, organic, particulate Nitrogen, organic, particulate Suspended matter, total Primary production of carbon per hour CTD/Rosette CTD Calculated Colorometric analysis, manual Oxygen, Winkler Culberson, 1991, WOCE Report 68/91 Chemiluminescence NO2/NO3 Continuous Flow Automated Analysis Gordon et al., 1993, WOCE Tech Rpt 93-1 Chlorophyll a, fluorometric determination Grasshoff et al., 1983, Chemie GmbH Epifluorescence microscopy Optical microscopy Carbon/nitrogen analyser GF/F filtered Gravimetric analysis GF/F filtered 14C uptake M10/1 Meteor 1986 Joint Global Ocean Flux Study JGOFS North Atlantic Bloom Experiment, 1989-1991 NABE dataset Supplementary Dataset Dataset 1993 ftdatacite https://doi.org/10.1594/pangaea.6648410.1016/0967-0645(93)90030-q 2024-08-01T08:58:27Z During a R.V. Meteor JGOFS-NABE cruise to a tropical site in the northeast Atlantic in spring 1989, three different vertical regimes with respect to nitrate distribution and availability within the euphotic zone were observed. Besides dramatic variations in the depth of the nitracline, a previously undescribed nose-like nitrate maximum within the euphotic zone was the most prominent feature during this study. Both the vertical structure of phytoplankton biomass and the degree of absolute and relative new production were related to the depth of the nitracline, which in turn was dependent on the occurrence/non-occurrence of the subsurface subtropical salinity maximum (Smax). The mesoscale variability of the nitracline depth, as indicated from a pre-survey grid, and published data on the frequent occurrence of the Smax in tropical waters suggest higher variability of new production and F-ratio than usually expected for oligotrophic oceans. The importance of salt fingering and double diffusion for nitrate ... : Supplement to: Koeve, Wolfgang; Eppley, Richard W; Podewski, Sigrid; Zeitzschel, Bernt (1993): An unexpected nitrate distribution in the tropical North Atlantic at 18°N, 30°W - implications for new production. Deep Sea Research Part II: Topical Studies in Oceanography, 40(1-2), 521-536 ... Dataset North Atlantic Northeast Atlantic DataCite |
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collection |
DataCite |
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ftdatacite |
language |
English |
topic |
Event label Date/Time of event Latitude of event Longitude of event Elevation of event DEPTH, water Temperature, water Salinity Density, sigma-theta 0 Ammonium Oxygen Nitrate and Nitrite Nitrite Phosphate Silicate Chlorophyll a Nanoflagellates, heterotrophic Cyanobacteria Bacteria Eukaryotes Carbon, organic, particulate Nitrogen, organic, particulate Suspended matter, total Primary production of carbon per hour CTD/Rosette CTD Calculated Colorometric analysis, manual Oxygen, Winkler Culberson, 1991, WOCE Report 68/91 Chemiluminescence NO2/NO3 Continuous Flow Automated Analysis Gordon et al., 1993, WOCE Tech Rpt 93-1 Chlorophyll a, fluorometric determination Grasshoff et al., 1983, Chemie GmbH Epifluorescence microscopy Optical microscopy Carbon/nitrogen analyser GF/F filtered Gravimetric analysis GF/F filtered 14C uptake M10/1 Meteor 1986 Joint Global Ocean Flux Study JGOFS North Atlantic Bloom Experiment, 1989-1991 NABE |
spellingShingle |
Event label Date/Time of event Latitude of event Longitude of event Elevation of event DEPTH, water Temperature, water Salinity Density, sigma-theta 0 Ammonium Oxygen Nitrate and Nitrite Nitrite Phosphate Silicate Chlorophyll a Nanoflagellates, heterotrophic Cyanobacteria Bacteria Eukaryotes Carbon, organic, particulate Nitrogen, organic, particulate Suspended matter, total Primary production of carbon per hour CTD/Rosette CTD Calculated Colorometric analysis, manual Oxygen, Winkler Culberson, 1991, WOCE Report 68/91 Chemiluminescence NO2/NO3 Continuous Flow Automated Analysis Gordon et al., 1993, WOCE Tech Rpt 93-1 Chlorophyll a, fluorometric determination Grasshoff et al., 1983, Chemie GmbH Epifluorescence microscopy Optical microscopy Carbon/nitrogen analyser GF/F filtered Gravimetric analysis GF/F filtered 14C uptake M10/1 Meteor 1986 Joint Global Ocean Flux Study JGOFS North Atlantic Bloom Experiment, 1989-1991 NABE Koeve, Wolfgang Eppley, Richard W Podewski, Sigrid Zeitzschel, Bernt Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
topic_facet |
Event label Date/Time of event Latitude of event Longitude of event Elevation of event DEPTH, water Temperature, water Salinity Density, sigma-theta 0 Ammonium Oxygen Nitrate and Nitrite Nitrite Phosphate Silicate Chlorophyll a Nanoflagellates, heterotrophic Cyanobacteria Bacteria Eukaryotes Carbon, organic, particulate Nitrogen, organic, particulate Suspended matter, total Primary production of carbon per hour CTD/Rosette CTD Calculated Colorometric analysis, manual Oxygen, Winkler Culberson, 1991, WOCE Report 68/91 Chemiluminescence NO2/NO3 Continuous Flow Automated Analysis Gordon et al., 1993, WOCE Tech Rpt 93-1 Chlorophyll a, fluorometric determination Grasshoff et al., 1983, Chemie GmbH Epifluorescence microscopy Optical microscopy Carbon/nitrogen analyser GF/F filtered Gravimetric analysis GF/F filtered 14C uptake M10/1 Meteor 1986 Joint Global Ocean Flux Study JGOFS North Atlantic Bloom Experiment, 1989-1991 NABE |
description |
During a R.V. Meteor JGOFS-NABE cruise to a tropical site in the northeast Atlantic in spring 1989, three different vertical regimes with respect to nitrate distribution and availability within the euphotic zone were observed. Besides dramatic variations in the depth of the nitracline, a previously undescribed nose-like nitrate maximum within the euphotic zone was the most prominent feature during this study. Both the vertical structure of phytoplankton biomass and the degree of absolute and relative new production were related to the depth of the nitracline, which in turn was dependent on the occurrence/non-occurrence of the subsurface subtropical salinity maximum (Smax). The mesoscale variability of the nitracline depth, as indicated from a pre-survey grid, and published data on the frequent occurrence of the Smax in tropical waters suggest higher variability of new production and F-ratio than usually expected for oligotrophic oceans. The importance of salt fingering and double diffusion for nitrate ... : Supplement to: Koeve, Wolfgang; Eppley, Richard W; Podewski, Sigrid; Zeitzschel, Bernt (1993): An unexpected nitrate distribution in the tropical North Atlantic at 18°N, 30°W - implications for new production. Deep Sea Research Part II: Topical Studies in Oceanography, 40(1-2), 521-536 ... |
format |
Dataset |
author |
Koeve, Wolfgang Eppley, Richard W Podewski, Sigrid Zeitzschel, Bernt |
author_facet |
Koeve, Wolfgang Eppley, Richard W Podewski, Sigrid Zeitzschel, Bernt |
author_sort |
Koeve, Wolfgang |
title |
Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
title_short |
Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
title_full |
Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
title_fullStr |
Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
title_full_unstemmed |
Physical oceanography and hydrochemistry measured on water bottle samples during METEOR cruise M10/1 ... |
title_sort |
physical oceanography and hydrochemistry measured on water bottle samples during meteor cruise m10/1 ... |
publisher |
PANGAEA |
publishDate |
1993 |
url |
https://dx.doi.org/10.1594/pangaea.66484 https://doi.pangaea.de/10.1594/PANGAEA.66484 |
genre |
North Atlantic Northeast Atlantic |
genre_facet |
North Atlantic Northeast Atlantic |
op_relation |
https://dx.doi.org/10.1016/0967-0645(93)90030-q |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.6648410.1016/0967-0645(93)90030-q |
_version_ |
1810463192339447808 |