Monitoring of optical properties of the deep water of Lake Baikal

18 may. 2021 18:40
20m
Valencia

Valencia

VLVnT 2021 | Parallel Session Room E https://cern.zoom.us/j/68700031104
Methods and tools Methods and tools

Ponentes

Dr. Evgenii Ryabov (Baikal-collaboration) Boris Tarashchansky (Baikal-collaboration)

Descripción

We present the results of a one year monitoring of absorption and scattering lengths of light with wave length 375÷532nm within the effective volume of the
Baikal-GVD deep underwater neutrino telescope. The measurements were
performed using a dedicated device, BAIKAL-5D, which was installed
during the 2020 winter expedition at a depth 1250 m. The device has a shaded point-like isotropic light source with spectral resolution about 3nm. A wide angle light receiver is moved by a stepper motor so that the distance between the receiver and the light source changed between 0.9 and 7,4 m. Absorption and scattering lengths were measured every week in 6 spectral points. Shot-time variation of absorption and scattering length was estimated.

Affiliation Baikal-collaboration

Autores primarios

Dr. Evgenii Ryabov (Baikal-collaboration) Boris Tarashchansky (Baikal-collaboration)

Materiales de la presentación

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