Parent Dataset

  • Time series of irradiance in the PAR (photosynthetically active radiation) region measured under the dome of a light observatory in the Arctic (Ny-Ålesund, Svalbard, Norway) derived from SLR camera

    Arctic ABC Development, NFR grant 245929

    Data center: Norwegain Infrastructure for Research Data (NIRD)
    Dataset landing page: Dataset landing page

    Abstract:

    UiT The Arctic University of Norway (UiT) and the Norwegian University of Science and Technology (NTNU) established a light observatory at Kings Bay, Ny-Ålesund (Svalbard, Norway) in January 2017. The observatory consists of a range of light sensors including an all sky camera. It is located outside the settlement of Ny-Ålesund, approximately 1 km N-NW of the airport towards Brandalspynten. The array of sensors, including the camera, is mounted on a tripod under a transparent dome. This dataset contains the E(PAR) data derived from pictures taken during 2017 at hourly intervals by the all-sky-camera. The camera (Canon EOS 5D Mark III) is equipped with a fish-eye lens with a focal length set to 8 mm with aperture manually set to open (f/4) to ensure maximum sensitivity (Canon EF 8-15mm f/4L), providing a 180° image of the atmosphere (only possible with a full-size sensor). Both shutter speed (exposure time, ranging from 0.000125 to 30 seconds) and ISO (sensitivity, ranging from 100 at Midnight Sun period and up to 6400 during Polar Night) are set to auto. White balance manually set to “day light”. It is remotely controlled by a PC, pictures were stored in a cloud storage. Short gaps in the time series are due to power failures. In this dataset there are two large gaps: 2019-01-09 to 2019-03-08 and 2019-06-24 to 2019-09-25 caused by a crash of the controlling PC which was not monitored at that time. The equations for the picture-to-E(PAR) conversion can be found in: Johnsen et al 2021, An all-sky camera system providing high temporal resolution annual time-series of irradiance in the Arctic, Applied Optics. The pictures on which this dataset is based on can be found at . For re-use of the data, please refer to the dataset and the original publication. this is an aggregated dataset where the individual timeseries have been combined into a continous timeseries. For details on the dataset please check https://archive.norstore.no/pages/public/datasetDetail.jsf?id=10.11582/2021.00040, https://archive.norstore.no/pages/public/datasetDetail.jsf?id=10.11582/2021.00041, https://archive.norstore.no/pages/public/datasetDetail.jsf?id=10.11582/2021.00042 and https://archive.norstore.no/pages/public/datasetDetail.jsf?id=10.11582/2021.00043.
    Metadata Information
    Metadata identifier: no.met.adc:f725cd23-5176-5ce1-a822-567182d43a70
    Last metadata update: 2022-11-15T15:30:23Z, 2022-09-28T17:08:00Z, 2021-04-30T00:00:00Z, 2022-07-16T12:02:26Z
    Metadata status: Active
    Access constraint: Open
    Use constraint:
    Investigator
    Name: Jorgen Berge, Stephen Grant, Rune Bjorgum, Jonathan Cohen, David McKee, Geir Johnsen, Artur Zolich
    Organisation: UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway
    Email: jorgen.berge@uit.no, stephen.grant@ntnu.no, rune.bjorgum@ntnu.no, jhcohen@udel.edu, david.mckee@strath.ac.uk, geir.johnsen@ntnu.no, artur.zolich@ntnu.no
    Metadata Author
    Temporal extent
    Start date: 2017-01-01T00:00:00Z
    End date: 2020-12-31T23:00:00Z

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  • Time series (2020) of irradiance in the PAR (photosynthetically active radiation) region measured under the dome of a light observatory in the Arctic (Ny-Ålesund, Svalbard, Norway) derived from SLR camera

    Arctic ABC Development (NFR grant 245929)

    Institutions: UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, UiT The Arctic University of Norway, Norwegain Infrastructure for Research Data (NIRD)
    Last metadata update: 2022-11-15T15:30:23Z
    https://doi.org/10.11582/2021.00050
    Temporal Extent
    Start date: 2020-01-01T00:00:00Z
    End date: 2020-12-31T23:00:00Z

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    License : Access: Open