Annual composites of derived data collected at fixed stations by year.

Derived_Annual_Stations

Format

A dataframe

station

The name of the station where data was collected

year

The year in which data was collected

temperature_in_air

Average air temperatures over annual scales at specific stations including Sable Island

integrated_temperature_0_50

Averages of temperature measurements, integrated between 0 and 50 metres

integrated_salinity_0_50

Averages of salinity measurements, integrated between 0 and 50 metres

integrated_sigmaTheta_0_50

Averages of density measurements, integrated between 0 and 50 metres

stratification_0_50

Stratification between 0 and 50 metres.

temperature_90

Temperature at 90 metres, or the bottom, at Prince 5 (P5).

salinity_90

Salinity at 90 metres, or the bottom, at Prince 5 (P5).

sigmaTheta_90

Potential density anomaly (sigmaTheta) at 90 metres, or the bottom, at Prince 5 (P5).

temperature_150

Temperature at 150 metres, or the bottom, at Halifax 2 (HL2).

salinity_150

Salinity at 150 metres, or the bottom, at Halifax 2 (HL2).

sigmaTheta_150

Potential density anomaly (sigmaTheta) at 150 metres, or the bottom, at Halifax 2 (HL2).

sea_surface_temperature_from_moorings

Aea surface temperatures recorded by mooring at Halifax, NS and St. Andrews, NB

integrated_chlorophyll_0_100

Chloropyll concentrations integrated between 0 and 100 metres.

integrated_nitrate_0_50

Nitrate concentrations integrated between 0 and 50 metres

integrated_nitrate_50_150

Nitrate concentrations integrated between 50 and 150 metres

integrated_phosphate_0_50

Phosphate concentrations integrated between 0 and 50 metres

integrated_phosphate_50_150

Phosphate concentrations integrated between 50 and 150 metres

integrated_silicate_0_50

Silicate concentrations integrated between 0 and 50 metres

integrated_silicate_50_150

Silicate concentrations integrated between 50 and 150 metres

longitude

Longitude (decimal degrees) of the station.

latitude

Latitude (decimal degrees) of the station.

Details

The data can be cited as follows: Casault, B., Johnson, C., Devred, E., Head, E., Cogswell, A., and Spry, J. 2020. Optical, Chemical, and Biological Oceanographic Conditions on the Scotian Shelf and in the Eastern Gulf of Maine during 2018. DFO Can. Sci. Advis. Sec. Res. Doc. 2020/037. v + 66 p.

Hebert, D., Pettipas, R., and Brickman, D. 2020. Physical Oceanographic Conditions on the Scotian Shelf and in the Gulf of Maine during 2018. DFO Can. Sci. Advis. Sec. Res. Doc. 2020/036 iv + 52 p.

Note

time_scale

Annual

regional_scale

Station

category

biological, phytoplankton, biochemical, physical