Data · collection
Measurements of oceanic ammonium and methane made during the Challenger 50 research cruise in the North Sea, as part of the North Sea Project (NSP), during April 1989
Listed in NASA Earthdata CMR
This metadata entry refers to measurements of both oceanic ammonium made by David Hydes and oceanic methane made by Mary Scranton during the Challenger 50 research cruise in the North Sea, as part of the North Sea Project (NSP).
Description
The cruise began on 13th April 1989 and ended on 24th April 1989 with a spatial coverage of +52N and +54N latitude and +1E and +4E longitude. The data set consists of: -138 measurements of the concentration of methane (CH4) per unit volume of the water column (dissolved plus reactive particulate phase) by gas chromatography; -137 measurements of the saturation of methane (CH4) in the water column (dissolved phase) by computation from concentration; and -35 measurements of the concentration of ammonium (NH4) per unit volume of the water column (dissolved plus reactive particulate phase) by colorimetric autoanalysis.
See below for further details.
Links
Documentation and papers
- North Sea Project Website bodc.ac.uk/projects/uk/north_sea ↗
documentation · from NASA CMR
- Challenger 50 Cruise Report bodc.ac.uk/data/information_and_inventories/cruise_inventory/report/ch50_… ↗
documentation · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1214589609-SCIOPS.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1214589609-SCIOPS.umm_json ↗
metadata API · from NASA CMR
Topics
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1214589609-SCIOPS | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/ammonia | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/hydrocarbons/methane | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:ships | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |