The dataset contains dredging sites in the marine environment that were made available by HELCOM Contracting Parties in response to a data call. Data were reported by Estonia, Finland, Germany, Poland and Sweden for the period 2016-2020.

The data for 2021 was reported within HELCOM EG DREDS.

Attribute specifications and units

Type: Type of dredging (maintenance or capital) classified under the precautionary approach principle

Start_day - Start_month - Start_year: Date in which the dredging activity started

End_day - End_month - End_year: End date of the dredging activity

Amount_ton: Amount of dredged material (tonnes) per event

Depth: Depth of area (m)

Area: Area of the actual dredging site in m2 per event

Sediment: Type of sediment dredged

Method: The method utilized in the dredging

Notes: Notes regarding the data

amount_m3: Amount of dredged material (m3) per event

source: Source of the data

original_t: Original type declared by the Contracting Parties