Data · collection · 1991
Second summary of data on chemical contaminants in sediments from the National Status and Trends Program.
Listed in NASA Earthdata CMR
NOAA's National Status and Trends Program has analyzed samples of surface sediments collected at almost 300 coastal and estuary sites throughout the United States since 1984 (NOAA 1991).
Description
These locations have also been sampled to determine contaminant levels in biota as part of NOAA's Mussel Watch program (NOAA 1989). However, the tissue data have not been entered in the database because the tissue contaminant data were reported on a dry weight basis.
The program's objectives include defining the geographical distribution of contaminant concentrations in tissues of marine organisms and in sediments and documenting biological responses to contamination. Because this objective was to quantify contamination over general areas, sites were selected so that they were not in close proximity to major sources of contamination. Sites in the Columbia River Basin include the North and South Jetty and Youngs Bay.
Read the rest (3 more)
The area of study was the Lower Columbia River - Youngs Bay and River Mouth Three grabs or cores were obtained at each of three stations at a site. Three composite samples were then made from each station for the various analyses. Target analytes were Metals (Ag, As, Cd, Cr, Cu, Hg, Pb, Sn, Zn); low and high molecular weight PAHs; pesticides and PCBs.
Analytical techniques included organic analysis as described in MacLeod et al, 1985 and Wade et al., 1988. Metals analyzed by atomic absorption or X-ray fluorescence. All data are reported on a dry weight basis.
The information for this metadata was taken from the Columbia River Basin: Sediment Database Abstracts.
Links
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1214610499-SCIOPS.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1214610499-SCIOPS.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Contaminant Levels/Spills · Not provided · Pesticides · Rivers/Stream · Species Bioaccumulation
- Inferred from text
- Surface water quality processes and contaminated sediment assessment 75%
Provenance · 1 source records, 14 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1214610499-SCIOPS | 14 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].anzsrc:field:410504 | enrichment · NASA CMR | taxonomy-embedding@1.1.0 | title+keywords+description (75%) |
| concepts[measured_variable].gcmd:earth-science/agriculture/agricultural-chemicals/pesticides | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/biosphere/ecological-dynamics/ecotoxicology/species-bioaccumulation | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/biosphere/ecosystems/freshwater-ecosystems/rivers-stream | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/human-dimensions/environmental-impacts/contaminant-levels-spills | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:not-provided | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| 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 |