Dataset description: Water-column environmental variables and accompanying discrete CTD measurements collected off California and Oregon

Various water column variables, including salinity, dissolved inorganic nutrients, pH, total alkalinity, dissolved inorganic carbon, radio-carbon isotopes were measured in samples collected using a Niskin-bottle rosette at selected depths from sites offshore of California and Oregon from October to November 2019 during NOAA Ship Lasker R-19-05 (USGS field activity 2019-672-FA). CTD (Conductivity Temperature Depth) data were also collected at each depth that a Niskin-bottle sample was collected and are presented along with the water sample data. This data release supersedes version 1.0, published in August 2020 at https://doi.org/10.5066/P9ZS1JX8. Versioning details are documented in the accompanying VersionHistory_P9JKYWQU.txt file.

Version	2
Keywords	time series datasets, CTD measurement, marine chemistry, marine water quality, ocean salinity, ocean temperature
Data types	CTD, pH
Format	tab-delimited text;
Amount	0.0303 MB

Contacts

Contact	Nancy G Prouty PCMSC_data@usgs.gov

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Location of materials and files

Public files	https://www.sciencebase.gov/catalog/file/get/62aa40bad34ec53d277115ce https://www.sciencebase.gov/catalog/item/62aa40bad34ec53d277115ce https://doi.org/10.5066/P9JKYWQU
Metadata	https://cmgds.marine.usgs.gov/metadata/pcmsc/DataReleases/ScienceBase/DR_P9JKYWQU/RL-19-05_BTL_CTD_metadata_v2.0.xml Outline - Questions and answers - Text - XML

Activities and equipment

Activity	Equipment
2019-672-FA	watersamples water sampler