Dredging sites lines (HOLAS 2)

This dataset contains dredging sites reported by HELCOM Contracting Parties. Reporting of dredging sites is not mandatory according to the http://www.helcom.fi/Lists/Publications/HELCOM%20Guidelines%20for%20Management%20of%20Dredged%20Material%20at%20Sea.pdf, but several Contracting Parties report information about dredging activities. The dredging sites are grouped by spatial data type to point, line and polygon datasets. The dredging site includes a link to corresponding site where the materila has been deposited. Attribute information (heading for downloadable shapefile): Dredging ID (Dredging_I): Dredging site id, where material originates from Deposit site (Helcom site ID) (Helcom_sit): Unique id for deposit site Deposit site link (Deposit_si): Link to deposit site, where material from this dredging site is deposited Site name (Site_name): Name of the dredging site Type of area dredged (Type_of_ar): Type of area that was dredged (e.g. harbour or sea) Dredging activity (Dredging_a): Maintenance or capital dredging Material dredged (Material_d): The type of material dredged (e.g. sand, silt) Year (Year): Year of activity Country (Country): Contracting Party of HELCOM Sub-basin (Sub_basin): HELCOM sub-basin (assessment unit level 2) where activity has taken place Quality flag (Quality_fl): Quality flag of data - Quality assured: Data is quality assured either in the annual verification or in a separate quality assurance process by EN DREDS - No quality assurance: Data is not quality assured due to the reason that process has not been carried out - No Quality assurance possible: Data quality assurance process has been made, but it was not possible to find the reference data to verify the parameters