The Secchi depth and its relationships to other properties of the sea water in the Oslofjord–Skagerrak area have been investigated. White and black disks of different sizes have been applied, and the Secchi depth has been ...

Observations of velocity, pressure, temperature and salinity in the inner Oslofjord have been analysed to provide new information about the relationships between internal tides generated by tidal currents across the Drøbak ...

Ninety observation series of solar irradiance and angular distributions of sky radiance at different sun angles and wavelengths from ultraviolet to red are presented in tabular form. The observed distributions of spectral ...