Data · collection
Current Meter Observations on Particle Trap "C" Measured during the JGOFS North Atlantic Bloom Experiment (NABE)
Listed in NASA Earthdata CMR
The Joint Global Ocean Flux Study (JGOFS) seeks to understand the processes that control the transfer of carbon and other biologically active elements in the ocean.
Description
In addition, JGOFS hopes to improve global-scale predictions of the ocean's response to human-inducded climate change. The North Atlantic Bloom Experiment (NABE) was a multidisciplinary, multinational pilot study of JGOFS, studying the spring phytoplankton bloom in the North Atlantic and its associated biogeochemical processes.
It took place from April until July, 1989, on two cruises of the RV Atlantis II and one cruise of the RV Endeavor. The stations in the North Atlantic were located from 18N to 72N and from 8W to 47W. An S4 current meter was afixed to particle trap C, which was deployed at an initial position of 46 deg 22 min N and 17 deg 38 min W on 22 May 1989 at a depth of 160 m.
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The position of the mooring was monitored by the ARGOS system satellites. Positions of the mooring were given until 1 June 1989. Mooring velocities were determined from the positions given by ARGOS.
Relative current velocities were measured by the S4 current meter. Absolute current velocities were the sum of the mooring velocites and the relative current velocities. The dataset includes the following values: mooring velocity north (v-component) from ARGOS positions mooring velocity east (u-component) from ARGOS positions mooring speed from ARGOS positions mooring direction from ARGOS positions relative current north (v-component) from the S4 current meter relative current east (u-component) from the S4 current meter relative current speed from the S4 current meter relative current direction from the S4 current meter absolute current north (v-component) (relative + mooring) absolute current east (u-component) (relative + mooring) absolute current speed (relative + mooring) absolute current direction (relative + mooring) The data is public domain and can be retrieved on-line at "usjgofs.whoi.edu/jg/dir/jgofs/" [This summary was derived from Oceanus vol. 35 and from the JGOFS WWW pages at WHOI.]
Links
Get the data
- Access US JGOFS data usjgofs.whoi.edu/jg/dir/jgofs ↗
download · from NASA CMR
Documentation and papers
- US JGOFS Home Page usjgofs.whoi.edu ↗
documentation · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1214605625-SCIOPS.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1214605625-SCIOPS.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- CURRENT METERS · MOORINGS · Ocean Currents
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1214605625-SCIOPS | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:current-meters | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/ocean-circulation/ocean-currents | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:moorings | 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 |