HydroRad Application Configurations

Example Applications and HydroRad Configurations to Support Them

HydroRads offer a huge variety of configuration options tailored to specific applications. Below are some examples. Note that all these include the same standard features such as sophisticated data logging and internal rechargeable batteries.

To measure: Configuration Name
HydroRad

Model
Collectors Pressure Transducer Other

E_s: Downwelling irradiance on deck
Surface Reference Radiometer E1 Dry Planar Irradiance None

E_d: Downwelling irradiance underwater
Near-surface Irradiance Radiometer ES1 Wet Planar Irradiance Any Integrated anti-fouling shutter

RSR: Remote-sensing reflectance, with upwelling radiance measured in either air or shallow water depths
Remote Sensing Reflectance Radiometer E2 Dry Planar Irradiance + Radiance
None

E_d, K_d: Downwelling irradiance and irradiance attenuation throughout the ocean photic zone
Profiling
Irradiance Radiometer E1 Wet Planar Irradiance 300 psi

L_u/E_d: Radiance reflectance throughout the ocean photic zone
Profiling Reflectance Radiometer 2 Radiance + Wet Planar Irradiance 300 psi Deployment cage & PDI extension cable

PAR, fl, E₀: Photosynthetically available radiation and fluorescence throughout the photic zone
Scalar
Irradiance Radiometer E1 1 Scalar Irradiance 300 psi Deployment cage & PDI extension cable

E_u/E_d: Irradiance reflectance throughout the ocean photic zone
Irradiance Reflectance Radiometer 2 2 Wet Planar Irradiance 300 psi Deployment cage & PDI extension cable

E_u/E_d:Bottom reflectance in shallow water (Diver-deployed)
Benthic Irradiance Reflectance Radiometer 2 2 Wet Planar Irradiance on wand 50 or 100 psi Deployment cage

L_u/E_d and E_u/E_d:Irradiance and radiance reflectance throughout the ocean photic zone
Radiance and Irradiance Reflectance Radiometer 3 2 Wet Planar Irradiance, 1 Radiance 300 psi Deployment cage & PDI extension cable

E_u/E_d, PAR, E₀, fl: Irradiance reflectance, photosynthetically available radiation, and fluorescence throughout the photic zone
Irradiance Reflectance and Scalar Irradiance Radiometer 4 2 Wet Planar Irradiance and 2 Scalar Irradiance 300 psi Deployment cage & PDI extension cable

E_s, L_u/E_d:Downwelling irradiance on deck, measured simultaneously with radiance reflectance throughout the ocean photic zone
Surface and Profiling Reflectance Radiometer Package E1 Dry Planar Irradiance None Daisy-chain port

2 Wet Planar Irradiance, Radiance 300 psi Deployment cage & PDI extension cable

HydroRad Hyperspectral Radiometers

Example Applications and HydroRad Configurations to Support Them