Depositing sites areas (HOLAS 2)

This dataset contains depositing site areas reported by HELCOM Contracting parties according to http://www.helcom.fi/Recommendations/Rec%2036-2.pdf. The depositing sites are grouped by spatial data type to pointwise, line and polygon datasets. Data covers the years 2006-2019. The data format is defined in the http://www.helcom.fi/Lists/Publications/HELCOM%20Guidelines%20for%20Management%20of%20Dredged%20Material%20at%20Sea.pdf. Attribute information (heading for downloadable shapefile): Helcom site ID (Helcom_sit): Unique id for deposit site Dredging ID (Dredging_I): Dredging site id, where material originates from Unique ID (Unique_ID): Unique id for each depositing activity (Helcom site ID + Dredging ID + year) Site name (Site_name): Name of the deposit 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 deposited (Material_d): The type of material deposited (e.g. sand, silt) Amount deposited (tonnes) (Amount_dep): Amount of material that has been deposited to deposit site, tonnes dry weight Amount beneficial use (tonnes) (Amount_ben): Amount material used for beneficial purposes, tonnes dry weight Beneficial use (Beneficial): Description of beneficial use 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 Comments (Comments): General comments related to activity Contaminants Cd - SPAH9: Amount of contaminant deposited, in tonnes dry weight Contaminants SPCB7 - MBT : Amount of contaminant deposited, in kilograms dry weight Other contaminants (kg) (Other_cont): Any other contaminant deposited (substance indicated in "notes") Petroleum HC (tonnes) (Petroleum_): Amount of Petroleum HC deposited, in tonnes dry weight HCB - DEHP DBP BBP: Amount of contaminant deposited, in kilograms dry weight Contaminant notes (Contaminan): Notes related to contaminant load Permit (Permit): Deposit site permit reference 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