• HELCOM Metadata catalogue
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Introduction of radionuclides HOLAS 3

Introduction of radionuclides is based on HELCOM MORS discharge data (2016-2020) . Annual averages of CO60, CS137 and SR90 from the period 2016-2020 per nuclear power plant. Gradual buffer around outlet to 10km distance (Type B decline).


10 km buffer with linear decline composed of 5 rings from discharges of radioactive substances (Type B decline)12.

Simple

Date (Creation)
2023-03-15
Unique resource identifier
https://metadata.helcom.fi/geonetwork/srv/eng/catalog.search#/metadata/88eac683-3eb9-4b29-91cd-2934687a266a
pointOfContact
  HELCOM Secretariat

GEMET - INSPIRE themes, version 1.0

  • Production and industrial facilities

GEMET

  • nuclear power plant

  • environmental impact

Keywords
  • MADS

  • HOLAS3

  • Pressure layer

Use constraints
Other restrictions
Other constraints

Use constraints: Data can be used freely given that the source is cited (following creative commons license CC-BY). The source should be cited as: “HELCOM HOLAS 3 Dataset (2023)"

Access constraints
Other restrictions
Other constraints
Access constraints: No limitations on public access.
Spatial representation type
Grid
Metadata language
English
Topic category
  • Environment
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Begin date
2016-01-01 Unknown
End date
2021-12-31 Now
Unique resource identifier
EPSG:3035
Distribution format
  • ESRI Shapefile ( 1.0 )

OnLine resource
Download Introduction of radionuclides HOLAS 3 ( WWW:LINK-1.0-http--link )
OnLine resource
View Introduction of radionuclides HOLAS 3 ( WWW:LINK-1.0-http--link )
Hierarchy level
Dataset

Conformance result

Date (Publication)
2010-12-08
Statement

Data source:

See separate fact sheet on Discharges of radioactive substances from NPPs.


Data quality: The annual discharges of radioactive substances were reported from all of the operational nuclear power plants. Some gaps may occur in the radioactive discharge data.


Attribute information: Introduction of Cesium-137, Strontium-90, and Cobalt-60 in Bq


Spatial coverage: Entire Baltic Sea.


Spatial resolution: Original data as points, 10 km impact distance applied from the outlets and finally converted to 1 km x 1 km grid.


Agreed aggregation method applied on HOLAS II used. Annual decay-corrected averages for CS-137, SR-90 and CO-60 were summed, given weight according to the linear decline and normalized.

File identifier
88eac683-3eb9-4b29-91cd-2934687a266a XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2023-04-14T14:04:28
pointOfContact
  HELCOM Secretariat
 
 

Overviews

Spatial extent

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S
E
W
thumbnail


Keywords

GEMET
environmental impact nuclear power plant
GEMET - INSPIRE themes, version 1.0
Production and industrial facilities

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