NCRO: NCRO water quality data
In sbashevkin/discretewq: Integrated Dataset of Discrete Water Quality in the San Francisco Estuary
NCRO R Documentation
NCRO water quality data
Description
Water quality data from the California Department of Water Resources North Central Region Office.
Usage
NCRO
Format
a tibble with 10,652 rows and 49 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 sample was collected.
- Secchi
Secchi depth (cm).
- Microcystis
Microcystis bloom intensity on a qualitative scale from 1 to 5 where 1 = absent, 2 = low, 3 = medium, 4 = high, and 5 = very high.
- Temperature
Temperature (°C) at surface.
- Conductivity
Specific conductance (\muS cm-1) at surface.
- DissolvedOxygen
Dissolved oxygen (mg/L) at surface.
- DissolvedOxygen_bottom
Dissolved oxygen (mg/L) at bottom.
- pH
pH (dimensionless) at surface.
- TurbidityNTU
Turbidity (NTU) at surface.
- TurbidityFNU
Turbidity (FNU) at surface.
- TotAlkalinity_Sign
Whether the Total Alkalinity value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- TotAlkalinity
Total Alkalinity (mg/L).
- DissAmmonia_Sign
Whether the Dissolved Ammonia value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissAmmonia
Dissolved Ammonia (mg/L). If DissAmmonia_Sign is <, this is equal to the reporting limit
- DissBromide_Sign
Whether the Dissolved Bromide value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissBromide
Dissolved bromide (mg/L). If DissBromide_Sign is <, this is equal to the reporting limit
- DissCalcium_Sign
Whether the Dissolved Calcium value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissCalcium
Dissolved calcium (mg/L). If DissCalcium_Sign is <, this is equal to the reporting limit
- DissChloride_Sign
Whether the Dissolved chloride value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissChloride
Dissolved chloride (mg/L).
- Chlorophyll_Sign
Whether the Chlorophyll value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- Chlorophyll
Chlorophyll concentration (\mug L-1).
- Pheophytin_Sign
Whether the Pheophytin is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- Pheophytin
Pheophytin concentration (\mug L-1).
- DissNitrateNitrite_Sign
Whether the Dissolved Nitrate Nitrite value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissNitrateNitrite
Dissolved Nitrate and Nitrite (mg/L). If DissNitrateNitrite_Sign is <, this is equal to the reporting limit
- DOC_Sign
Whether the Dissolved Organic Carbon value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- DOC
Dissolved organic carbon (mg/L). If DOC_Sign is <, this is equal to the reporting limit
- TOC_Sign
Whether the Total Organic Carbon value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TOC
Total Organic Carbon (mg/L).If TOC_Sign is <, this is equal to the reporting limit
- DON_Sign
Whether the Dissolved Organic Nitrate value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- DON
Dissolved Organic Nitrogen (mg/L).If DON_Sign is <, this is equal to the reporting limit
- DissOrthophos_Sign
Whether the Dissolved Orthophos value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissOrthophos
Dissolved Ortho-phosphate (mg/L). If DissOrthophos_Sign is <, this is equal to the reporting limit
- TotPhos_Sign
Whether the Total Phosphate value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TotPhos
Total phosphorous (mg/L). If TotPhos_Sign is <, this is equal to the reporting limit.
- TSS_Sign
Whether the Total Suspended Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TSS
Total suspended solids (mg/L). If TSS_Sign is <, this is equal to the reporting limit
- VSS_Sign
Whether the Volatile Suspended Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- VSS
Volatile suspended solids (mg/L). If VSS_Sign is <, this is equal to the reporting limit
- TKN_Sign
Whether the Total Kjeldahl Nitrogen value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=". "NA" indicates reporting limit unknown.
- TKN
Total Kjeldahl Nitrogen (mg/L). IF TKN_Sign is <, this is equal to the reporting limit.
- TDS_Sign
Whether the Total Dissolved Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- TDS
Total Dissolved Solids (mg/L).
Details
Contact Jared Frantzich Jared.Frantzich@water.ca.gov for more information.
See Also
wq; for more information on _Sign variables: sign_variables
sbashevkin/discretewq documentation built on July 16, 2025, 6:16 p.m.
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| NCRO | R Documentation |
NCRO water quality data
Description
Water quality data from the California Department of Water Resources North Central Region Office.
Usage
NCRO
Format
a tibble with 10,652 rows and 49 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 sample was collected.
- Secchi
Secchi depth (cm).
- Microcystis
Microcystis bloom intensity on a qualitative scale from 1 to 5 where 1 = absent, 2 = low, 3 = medium, 4 = high, and 5 = very high.
- Temperature
Temperature (°C) at surface.
- Conductivity
Specific conductance (
\muS cm-1) at surface.- DissolvedOxygen
Dissolved oxygen (mg/L) at surface.
- DissolvedOxygen_bottom
Dissolved oxygen (mg/L) at bottom.
- pH
pH (dimensionless) at surface.
- TurbidityNTU
Turbidity (NTU) at surface.
- TurbidityFNU
Turbidity (FNU) at surface.
- TotAlkalinity_Sign
Whether the Total Alkalinity value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- TotAlkalinity
Total Alkalinity (mg/L).
- DissAmmonia_Sign
Whether the Dissolved Ammonia value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissAmmonia
Dissolved Ammonia (mg/L). If DissAmmonia_Sign is <, this is equal to the reporting limit
- DissBromide_Sign
Whether the Dissolved Bromide value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissBromide
Dissolved bromide (mg/L). If DissBromide_Sign is <, this is equal to the reporting limit
- DissCalcium_Sign
Whether the Dissolved Calcium value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissCalcium
Dissolved calcium (mg/L). If DissCalcium_Sign is <, this is equal to the reporting limit
- DissChloride_Sign
Whether the Dissolved chloride value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissChloride
Dissolved chloride (mg/L).
- Chlorophyll_Sign
Whether the Chlorophyll value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- Chlorophyll
Chlorophyll concentration (
\mug L-1).- Pheophytin_Sign
Whether the Pheophytin is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- Pheophytin
Pheophytin concentration (
\mug L-1).- DissNitrateNitrite_Sign
Whether the Dissolved Nitrate Nitrite value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissNitrateNitrite
Dissolved Nitrate and Nitrite (mg/L). If DissNitrateNitrite_Sign is <, this is equal to the reporting limit
- DOC_Sign
Whether the Dissolved Organic Carbon value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- DOC
Dissolved organic carbon (mg/L). If DOC_Sign is <, this is equal to the reporting limit
- TOC_Sign
Whether the Total Organic Carbon value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TOC
Total Organic Carbon (mg/L).If TOC_Sign is <, this is equal to the reporting limit
- DON_Sign
Whether the Dissolved Organic Nitrate value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- DON
Dissolved Organic Nitrogen (mg/L).If DON_Sign is <, this is equal to the reporting limit
- DissOrthophos_Sign
Whether the Dissolved Orthophos value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- DissOrthophos
Dissolved Ortho-phosphate (mg/L). If DissOrthophos_Sign is <, this is equal to the reporting limit
- TotPhos_Sign
Whether the Total Phosphate value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TotPhos
Total phosphorous (mg/L). If TotPhos_Sign is <, this is equal to the reporting limit.
- TSS_Sign
Whether the Total Suspended Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- TSS
Total suspended solids (mg/L). If TSS_Sign is <, this is equal to the reporting limit
- VSS_Sign
Whether the Volatile Suspended Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "="
- VSS
Volatile suspended solids (mg/L). If VSS_Sign is <, this is equal to the reporting limit
- TKN_Sign
Whether the Total Kjeldahl Nitrogen value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=". "NA" indicates reporting limit unknown.
- TKN
Total Kjeldahl Nitrogen (mg/L). IF TKN_Sign is <, this is equal to the reporting limit.
- TDS_Sign
Whether the Total Dissolved Solids value is lower than reported ("<" because it is below the reporting limit and the reporting limit is used as the value), or reported as the measured value "=".
- TDS
Total Dissolved Solids (mg/L).
Details
Contact Jared Frantzich Jared.Frantzich@water.ca.gov for more information.
See Also
wq; for more information on _Sign variables: sign_variables
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