USGS_SFBS: USGS SFBS water quality data

In sbashevkin/discretewq: Integrated Dataset of Discrete Water Quality in the San Francisco Estuary

USGS SFBS water quality data

Description

Water quality data from the United States Geological Survey San Francisco Bay Water Quality Survey.

Usage

USGS_SFBS

Format

a tibble with 23,923 rows and 22 variables

Source

Name of the source dataset.

Station

Station where sample was collected.

Latitude

Latitude in decimal degrees.

Longitude

Longitude in decimal degrees.

Date

Date sample was collected.

Datetime

Date and time of sample collection. Reported as an average when the collection times varied among the the surface and bottom WQ and nutrient parameters.

Sample_depth_surface

Depth (m) of surface sample. Reported as an average when surface depths varied among the WQ parameters.

Sample_depth_bottom

Depth (m) of bottom sample. Reported as an average when bottom depths varied among the WQ parameters.

Temperature

Temperature (°C) at surface.

Temperature_bottom

Temperature (°C) at bottom.

Salinity

Salinity at surface.

Salinity_bottom

Salinity at bottom.

Chlorophyll

Chlorophyll concentration (\mug L^-1) at surface.

DissolvedOxygen

Dissolved oxygen (mg/L) at surface.

DissolvedOxygen_bottom

Dissolved oxygen (mg/L) at bottom.

DissolvedOxygenPercent

Dissolved oxygen percent (dimensionless) at surface.

DissolvedOxygenPercent_bottom

Dissolved oxygen percent (dimensionless) at bottom.

Sample_depth_nutr_surface

Depth (m) paired w/ nutrient sampling (range: 0-5 m). Reported as an average when surface depths varied among the nutrient parameters.

DissNitrateNitrite

Dissolved Nitrate and Nitrite (mg/L).

DissAmmonia

Dissolved Ammonia (mg/L).

DissOrthophos

Dissolved Ortho-phosphate (mg/L).

DissSilica

Dissolved Silica (mg/L).

Details

More metadata and information on methods are available here for data from 1969-2015 and here for data from 2016-2019.

See Also

wq

sbashevkin/discretewq documentation built on July 16, 2025, 6:16 p.m.