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Typhoon threat at Fukushima reactor site
Typhoon Roke, the 15th typhoon of the season in the northwest Pacific, is passing in the vicinity of the Fukushima reactor site. It has already left in its wake significant flooding in Nagoya (southwest of Tokyo) and on the western … Continue reading
Posted in japan ocean
Tagged cyclone, forecast, Fukushima, Japan, meteorology, ocean, reactor, typhoon
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Contaminated areas and permanent evacuations
More details have emerged lately regarding assessments of measured levels of radioisotopes as well as the Japanese government’s strategy for a permanent evacuation zone. Soil measurements of radioactive cesium are distributed in patches throughout six municipalities: Okumamachi, Futabamachi, Namiemachi, Tomiokamachi, … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, evacuation, Fukushima, government, Japan, radiation, zone
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Scrutiny of evacuations continues
This week the Wall Street Journal published a cluster of frontpage stories (here and here, along with video content) about the evacuation mishaps and tragedies in the wake of the Fukushima Daiichi nuclear incident. In “How Japan Stumbled in Forecasting … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, evacuation, forecast, Fukushima, government, Japan, meteorology, model, nuclear, onshore, plume, radiation, speedi, zone
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Evacuations lacked key plume model input
A recent frontpage story in the New York Times explores in more depth an evacuation tragedy that plagued the Fukushima nuclear incident. The event they focus on is the evacuation of Namie, first reported by the Daily Yomiuri on June … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, evacuation, forecast, Fukushima, government, Japan, plume, radiation, reactor, source, speedi
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Special scientific session on “Fukushima Crisis: Air & Sea Transport Modeling”
An upcoming special session at the 15th Annual George Mason University Conference on Atmospheric Transport and Dispersion Modeling will focus on the Fukushima nuclear power plant crisis. On the schedule are scientists from NRC, DTRA, NRL, NOAA, Japan Atomic Energy Agency, … Continue reading
Posted in japan ocean plume, japan radiation plume
Tagged Fukushima, Japan, model, plume, science
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Scientific source term estimation of radiation release
Researchers at the Japan Atomic Energy Agency have just published a scientific paper reporting on detailed source term estimation for the airborne release from the Fukushima Daiichi Plant. The paper in “Journal of Nuclear Science and Technology” can be found here. … Continue reading
Posted in japan radiation plume
Tagged contamination, Fukushima, Japan, radiation, reactor, source
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International entities take steps to encourage data release
Several recent developments related to data sharing have elevated the topic on the international stage. Wednesday June 23 at an International Atomic Energy Agency meeting the members agreed to share more information in the event of a nuclear crisis, and … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, Fukushima, government, Japan, Kuroshio, plume, radiation
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Evacuations expand house-to-house
Following a week of speculation that the Japanese government might expand the evacuation region in response to patchy, elevated levels of radiation in some neighborhoods, the government took action June 16. The designation of new hotspots is based on radiation … Continue reading
Posted in japan radiation plume
Tagged contamination, evacuation, Fukushima, government, Japan, radiation, zone
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Plume forecasts and crisis management
The Daily Yomiuri has an on-going series on the nuclear crisis where today they describe the impact of delays in releasing data. In one instance, a community near the plant was evacuated in the early hours of March 12 to a … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, evacuation, forecast, Fukushima, government, Japan, model, plume, radiation
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Upward revisions to radiation estimates
Upward revisions of the scale of the radiation damage continue to be released. Here is a summary of a few from the past several days. Yesterday the Japanese government reported to the IAEA that reactors 1-3 all experienced a nuclear … Continue reading
Posted in japan radiation plume
Tagged contamination, crisis, Fukushima, Japan, radiation, reactor
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