Algal Blooms Sweden - 2022

Dataset containing images of algal blooms in the Baltic Sea. The data is provided with a metadata description containing time spotted, comments, municipality, county and coordinates of each image. The images and metadata file are archived in a zip package. Images show various summer surface accumulations of so-called harmful algal blooms (HABs) or nuisance blooms. Typically, these blooms consists of species of cyanobacteria of the order of Nostocales, including toxic Nodularia and Aphanizomenon. These blooms were verified by Informationscentralen (Länstyrelsen Stockholm and Länstyrelsen Västerbotten). However, the blooms seen in the images have not been taxonomically annotated by microscopy nor genetic analysis. The following data fields are contained in the metadata files (provided in both json and csv format): report_id: unique identifier for reporting record, <em>type: string</em><br> time_spotted: date that bloom was spotted, <em>type: datetime</em><br> algae_overview_photo: url to overview photo submitted, <em>type: string</em><br> algae_detail_photo: url to detailed photo submitted, <em>type: string</em><br> comments: Any additional information relating to the bloom, <em>type: string</em><br> lat: Latitude of position where bloom was seen, <em>type: float</em><br> long: Longitude of position where bloom was seen, <em>type: float</em><br> place: County where bloom was spotted, <em>type: string</em><br> kommun: Municipality where bloom was spotted, type: string <strong>Total observations</strong>: 161<br> <em>Note</em>: Not every observation has an accompanying image and others were verified using other information provided.