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The maps currently available on the site present the following indicators: Radioactive contamination zoning. Cesium-137, strontium-90 and iodine-131 contamination. Irradiation (absorbed thyroid dose due to iodine-131 intake and effective dose of external radiation).
The major radionuclides of concern after the Chornobyl disaster were cesium-134 and 137, strontium-90, and iodine -131. The maps below show large variations in the cesium -137 ground deposition across the territory of Ukraine.
Coordinates: 51.3°N 30.005°E. Satellite image of the reactor and surrounding area in April 2009. The Chernobyl Nuclear Power Plant Zone of Alienation [a] is an officially designated exclusion zone around the site of the Chernobyl nuclear reactor disaster.
- The Importance of International Cooperation in Radiation Protection
- Current Overview of The Radiological Situation
- Measurements from Helicopters
- Extensive Measurements on The Soil
- Maps Confirm Previous Findings
- Excellent International Cooperation
Dr. Inge Paulini "With the decision to publish the initial evaluations of measurement data from the Chernobyl exclusion zone despite the war in Ukraine, we want to underline the importance of close international cooperation in radiation protection", says BfS President Inge Paulini. "This is also a sign of respect for our Ukrainian colleagues who, d...
Local gamma dose rate in the exclusion zone of Chernobyl in microsieverts per hour
In the maps, 36 years after the reactor accident, the two main directions of dispersion (to the north and west) of the substances released from the reactor in 1986 are still clearly visible (click on the magnifying glass symbol to enlarge the maps). The maps and the associated measurement data provide a comprehensive overview of the current radiological situation in the exclusion zone. With the help of these, it is possible to calculate how long personnel can be deployed in each location with...
Review of the exclusion zone possible
In the long term, the Ukrainian radiation protection authorities can use the BfSmeasurement data as a planning basis for reassessing the size of the exclusion zone. The data can be used to assess which areas of the exclusion zone could be reopened for use. Prerequisites for this would be additional detailed measurements on site to confirm a correspond-ing initial assessment.
For the first area-wide radiological mapping of the exclusion zone of Chernobyl in over 30 years, measurements were taken from helicopters. BfS project manager Dr Christopher Strobl Source: BfS "We keep this technology on hand so that we can quickly identify the affected areas in the event of an acute accident", says Christopher Strobl, the respect...
In order to ensure that this circumstance did not falsify the measurement results, BfS measurement teams, together with Ukrainian experts, carried out additional measurements on the soil at almost two hundred points. They also took soil samples at these points in order to determine how deeply the radioactive substances have penetrated the soil in t...
The new maps provide an overview of the entire exclusion zone – with the exception of the direct perimeter of the damaged reactor: In order to protect the nuclear facilities in the exclusion zone, there is a no-fly zone; helicopter measurements were therefore not possible there. The maps are more up-to-date and have a better spatial resolution than...
"Almost 100 people were involved in the measurements at Chernobyl – both on site and in our data centre at the BfS", says BfSproject manager Strobl as he expresses his thanks for the excellent international cooperation.
A map of the Exclusion Zone The entrance to the zone of alienation around Chernobyl The Exclusion Zone was originally an area with a radius of 30 kilometres (19 mi) in all directions from the plant, but was subsequently greatly enlarged to include an area measuring approximately 2,600 km 2 (1,000 sq mi), officially called the " zone of ...
Discover the history and impact of the Chernobyl nuclear disaster with this ArcGIS web application. You can view interactive maps, scenes, and stories that show the extent of the radiation, the evacuation zones, and the recovery efforts. Learn more about the Chernobyl Project and how you can get involved.
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