The Humboldt shore station is located on the Chevron dock and is maintained by Humboldt State University. This station has been active since November 2012 and is the replacement system of the previous water quality station at Dock B. In August 2015 PAR and Solar Radiation sensors were added to the instrumentation suite.
YSI Sonde 6600 v2
This sensor measures water temperature, salinity, pH, Chlorophyll, turbidity, and dissolved oxygen (as of 8/2015). The sensor is location approx. 2m below the water surface on a dock over Humboldt Bay.
This sensor measures global solar radiation (both direct solar radiation, from the solar disk, and diffuse solar radiation reflected from the atmosphere). The sensor is located approx. 6m above the water level on a dock over Humboldt Bay.
Parameter Info - Global solar radiation is also known as surface_downwelling_shortwave_flux_in_air or surface_downwelling_shortwave_flux. The term "surface" means the lower boundary of the atmosphere. "shortwave" means shortwave radiation. Downwelling radiation is radiation from above. It does not mean "net downward". Surface downwelling shortwave is the sum of direct and diffuse solar radiation incident on the surface, and is sometimes called "global radiation". When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.
Li-190 Quantum Sensor
This sensor measures photosynthetically active radiation (aka Surface_downwelling_photosynthetic_photon_flux_in_air). The sensor is located approx. 6m above the water level on a dock over Humboldt Bay.
Humboldt Shore Station
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