Fraction of spectral solar radiance transmitted through snow and sea ice as measured in different depths under sea ice (transflectance) at ROV station ALERT2018_22_1

• Main Authors: Anhaus, Philipp, Katlein, Christian, Nicolaus, Marcel
• Format: Dataset
• Language: English
• Published: PANGAEA 2021
• Subjects: ALERT2018; ALERT2018_22_1; Calculated; DATE/TIME; DEPTH; water; Distance; relative; X; Y; LATITUDE; Lincoln Sea; LONGITUDE; Remote operated vehicle; ROV; Sampling on land; Transflectance; photosynthetically active; Transflectance at 320 nm; Transflectance at 321 nm; Transflectance at 322 nm; Transflectance at 323 nm; Transflectance at 324 nm; Transflectance at 325 nm; Transflectance at 326 nm; Transflectance at 327 nm; Transflectance at 328 nm; Transflectance at 329 nm; Transflectance at 330 nm; Transflectance at 331 nm; Transflectance at 332 nm; Transflectance at 333 nm; Transflectance at 334 nm; Transflectance at 335 nm; Transflectance at 336 nm; Transflectance at 337 nm; Transflectance at 338 nm; Transflectance at 339 nm; Transflectance at 340 nm; Transflectance at 341 nm; Transflectance at 342 nm; Transflectance at 343 nm; Transflectance at 344 nm; Transflectance at 345 nm; Transflectance at 346 nm; Transflectance at 347 nm; Transflectance at 348 nm; Arctic; Nunavut; Canada; Sea ice
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.930256; https://doi.org/10.1594/PANGAEA.930256

Measurements of transmitted radiance under sea ice and corresponding incident solar radiation at the surface have been performed on First-Year-Ice (FYI) during the ALERT2018 campaign (Multidisciplinary Arctic Program (MAP) - Last Ice) off Alert, Nunavut, Canada in the Lincoln Sea on 22 May 2018. The radiation measurements have been performed with Ramses spectral radiometers (TriOS, Rastede, Germany). All data are given in full spectral resolution interpolated to 1.0 nm, and integrated over the entire wavelength range (broadband, total: 320 to 950 nm). The radiance sensor (9° opening angle) was installed on the ROV. The transflectance is the ratio between transmitted radiance and incident irradiance. All times are given in UTC.