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Continuous anthropogenic noise HOLAS 3 (Baltic sea)
Baseline excess level of noise Data modelled into 0.4 km x 0.4 km grid. Baseline excess sound pressure levels at one 1/3 octave band of 125 Hz exceeded at least 50% of the time... -
Hazardous substances
This data set presents the resulting assessment grid (based on the EEA reference grid) with the classification of chemical status of the transitional, coastal and marine waters... -
Hazardous substances HOLAS 3 (Baltic sea)
This dataset represents the integrated assessment of hazardous substances in the Baltic Sea in 2016-2021. This dataset displays the result of the assessment in HELCOM Assessment... -
Impulsive anthropogenic sound HOLAS 3 (Baltic sea)
This dataset contains pre-core indicator data developed under the HELCOM Third Holistic Assessment of the Ecosystem Health of the Baltic Sea (HOLAS 3). -
Illegal oil discharging HOLAS 3 (Baltic sea)
Illegal oil discharge data is based on airborne surveillance supplemented with remote sensing equipment in the Baltic Sea Area carried out by HELCOM Contracting Parties within... -
Polluting ship accidents HOLAS 3 (Baltic sea)
Polluting ship accidents is based on reporting of shipping accidents done by HELCOM Contracting Parties to produce annual within HELCOM MARITIME group. Data were available for... -
Radiactive substances - Cesium 137 in seawater HOLAS 3 (Baltic sea)
This dataset represents the underlying seawater data on core indicator Radioactive substances: Cesium-137 in-fish-and-surface-seawater. The core indicator evaluates the state of... -
Radiactive substances - Cesium -137 in fish and surface waters results HOLAS ...
This dataset contains core indicator results developed under the HELCOM Third Holistic Assessment of the Ecosystem Health of the Baltic Sea (HOLAS 3).