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Breaking News fukushima s radioactive waste leaking  reason unknown  japan | Breaking News

Fukushima’s Radioactive Waste Leaking, Reason Unknown: Japan

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by: Hans van der Broek
fukushima s radioactive waste leaking  reason unknown  japan | Breaking News

A new and unexpected source of radioactive material left over from the 2011 Fukushima nuclear disaster has been found up to 60 miles away along coastlines near the beleaguered plant. The discovery shows that damaged nuclear reactors are capable of spreading radiation far from the meltdown site, and in some surprising ways.

Radioactive waste from the Fukushima nuclear power plant is collecting in the sands and groundwater

Research published in 'Proceedings of the National Academy of Sciences' shows that radioactive cesium from the Fukushima nuclear power plant is collecting in the sands and groundwater along a 60-mile (100-km) stretch of coastline near the facility. Cesium-137 is a radioactive isotope of cesium (a soft, silvery-gold metal) that’s formed by nuclear fission and potentially fatal to humans when exposed to high concentrations. The scientists who led the study, Virginie Sanial of Woods Hole Oceanographic Institution and Seiya Nagao of Kanazawa University, say the levels of radiation 'are not of primary concern' to public health, but that this new and unanticipated source 'should be taken into account in the management of coastal areas where nuclear power plants are situated'.

Indeed, approximately half of the 440 operational nuclear reactors in the world are situated on a coastline. After the 2011 accident, scientists monitored leaking radiation as it entered into the atmosphere or trickled into rivers, but the Fukushima plant - damaged by a devastating earthquake and tsunami - is the first major incident to happen along such a large water body, namely the Pacific Ocean. This new PNAS study is now the first to consider subterranean pathways for the storage and release of radioactive contaminants following a nuclear disaster.
Photo by: Souichiro Teriyaki, Kanazawa University. The research team at work on one of eight beaches studied 

The researchers sampled eight beaches all within 60 miles of the plant. They plunged seven-foot-long tubes into the sand, pulling up sand and groundwater samples for analysis. The cesium levels in the brackish groundwater - a combination of fresh water and salt water - was ten times higher than what’s currently being detected in the waters swirling around Fukushima’s harbor, while cesium was tracked in the sand up to a depth of three feet.
Sanial and Nagao suspect that high levels of radioactive cesium-137 were released into the environment following the 2011 disaster, and then transported along the coast by ocean currents. In the days and weeks following the meltdown, waves and tides delivered this radioactive waste back onto the surrounding coastal beaches. The cesium attached itself to the surfaces of the sand grains, and some managed to trickle down to the groundwater below.

          Photo by: Natalie Renier, Woods Hole Oceanographic Institution

But here’s the thing, cesium loses its 'stickiness' when it’s exposed to salt water. So with each passing wave and tide, the cesium is slowly getting released back into the ocean. The amount of radioactive waste detected by the researchers in the adjoining water is roughly equal to the amounts drifting in from the other two known sources: ongoing releases and runoff from the plant itself, and overflow from rivers that carry cesium from the fallout on land. Importantly, all three of these sources are releasing radiation at rates thousands of times smaller than what was experienced immediately after the 2011 disaster. Cesium has long half-life, so "only time will slowly remove the cesium from the sands as it naturally decays away and is washed out by seawater," said Sanial in a release.

As noted, the amount of radioactive cesium observed doesn’t pose a public health risk, but this latest study indicates that radioactive material can be transported far from accident sites. At the same time, the discovery adds another layer of complexity when deciding how to best manage a plant, and where to put it.

https://www.whatsorb.com/category/waste

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In our world, WhatsOrb refuses to turn away from the changes in our society and environment which succeeds each other at a rapid pace.

For WhatsOrb, publishing on the environment is a priority. We give reporting on climate, nature, waste, lifestyle and sustainable solutions the prominence it deserves.

At this turbulent time for ‘all’ species and our planet, we are determined to inform readers about threats, consequences and solutions based on facts, not on political prejudice or business interests.

WhatsOrb Breaking News will be published as soon as urgent events from around the world and startling sustainable innovations reach us.

If there is anything we should know and publish about, please send a note to: [email protected] or write your own story on: www.whatsorb.comthe only news site which gives you a ‘sustainable voice!’

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Breaking News, as the world changes…

In our world, WhatsOrb refuses to turn away from the changes in our society and environment which succeeds each other at a rapid pace.

For WhatsOrb, publishing on the environment is a priority. We give reporting on climate, nature, waste, lifestyle and sustainable solutions the prominence it deserves.

At this turbulent time for ‘all’ species and our planet, we are determined to inform readers about threats, consequences and solutions based on facts, not on political prejudice or business interests.

WhatsOrb Breaking News will be published as soon as urgent events from around the world and startling sustainable innovations reach us.

If there is anything we should know and publish about, please send a note to: [email protected] or write your own story on: www.whatsorb.comthe only news site which gives you a ‘sustainable voice!’

Fukushima’s Radioactive Waste Leaking, Reason Unknown: Japan

A new and unexpected source of radioactive material left over from the 2011 Fukushima nuclear disaster has been found up to 60 miles away along coastlines near the beleaguered plant. The discovery shows that damaged nuclear reactors are capable of spreading radiation far from the meltdown site, and in some surprising ways. Radioactive waste from the Fukushima nuclear power plant is collecting in the sands and groundwater Research published in 'Proceedings of the National Academy of Sciences' shows that radioactive cesium from the Fukushima nuclear power plant is collecting in the sands and groundwater along a 60-mile (100-km) stretch of coastline near the facility. Cesium-137 is a radioactive isotope of cesium (a soft, silvery-gold metal) that’s formed by nuclear fission and potentially fatal to humans when exposed to high concentrations. The scientists who led the study, Virginie Sanial of Woods Hole Oceanographic Institution and Seiya Nagao of Kanazawa University, say the levels of radiation 'are not of primary concern' to public health, but that this new and unanticipated source 'should be taken into account in the management of coastal areas where nuclear power plants are situated'. Indeed, approximately half of the 440 operational nuclear reactors in the world are situated on a coastline. After the 2011 accident, scientists monitored leaking radiation as it entered into the atmosphere or trickled into rivers, but the Fukushima plant - damaged by a devastating earthquake and tsunami - is the first major incident to happen along such a large water body, namely the Pacific Ocean. This new PNAS study is now the first to consider subterranean pathways for the storage and release of radioactive contaminants following a nuclear disaster. Photo by: Souichiro Teriyaki, Kanazawa University. The research team at work on one of eight beaches studied  The researchers sampled eight beaches all within 60 miles of the plant. They plunged seven-foot-long tubes into the sand, pulling up sand and groundwater samples for analysis. The cesium levels in the brackish groundwater - a combination of fresh water and salt water - was ten times higher than what’s currently being detected in the waters swirling around Fukushima’s harbor, while cesium was tracked in the sand up to a depth of three feet. Sanial and Nagao suspect that high levels of radioactive cesium-137 were released into the environment following the 2011 disaster, and then transported along the coast by ocean currents. In the days and weeks following the meltdown, waves and tides delivered this radioactive waste back onto the surrounding coastal beaches . The cesium attached itself to the surfaces of the sand grains, and some managed to trickle down to the groundwater below.           Photo by: Natalie Renier, Woods Hole Oceanographic Institution But here’s the thing, cesium loses its 'stickiness' when it’s exposed to salt water. So with each passing wave and tide , the cesium is slowly getting released back into the ocean. The amount of radioactive waste detected by the researchers in the adjoining water is roughly equal to the amounts drifting in from the other two known sources: ongoing releases and runoff from the plant itself, and overflow from rivers that carry cesium from the fallout on land. Importantly, all three of these sources are releasing radiation at rates thousands of times smaller than what was experienced immediately after the 2011 disaster. Cesium has long half-life, so "only time will slowly remove the cesium from the sands as it naturally decays away and is washed out by seawater," said Sanial in a release. As noted, the amount of radioactive cesium observed doesn’t pose a public health risk, but this latest study indicates that radioactive material can be transported far from accident sites. At the same time, the discovery adds another layer of complexity when deciding how to best manage a plant, and where to put it. https://www.whatsorb.com/category/waste
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