Data and maps
Nuclear Mapping [mapping.jp] (Google Earth Plug-in is required) is a real-time visualization of the tweets (purple) and retweets (red) that contain the hashtag #nuclear. The representation of this Twitter communication is combined with multicolored circles, which stand for the geographical locations of all nuclear reactors in the world. More detailed information on individual tweets and nuclear reactors can be accessed through selecting the appropriate icons. An interactive timeline slider rounds of the interactivity features. Visualizing #nuclear Tweets with Google Earth
311 SCALE We would like to offer our deepest sympathies to all of those affected by the Great East Japan Earthquake. Although the destruction of entire towns over an area stretching for 500 kilometers to the north and south is of an almost unimaginable scale, we believe that this immense devastation can be overcome and we hope that during the process of rebuilding the disaster-affected region, we can also discover a path for the future of Japan and the world. The earthquake has also brought the new crisis of radioactive contamination to Japan. Not only is there the physical issue of the cleanup following the nuclear accident, but one of the first steps on the path to recovery must be to reduce the negative image which people have of Japan as a country contaminated by nuclear radiation, and thereby lessen the damage to Japanese industry, by presenting the world with an objective look at the current situation – at least within a range that is reasonable to modern science.
Color#5(new 0.15/0.23) 38up μSv/h ( triangle : 信頼度の低いデータ measured by GM tube or unknown detector) 当図は様々な測定をいっぺんに表示したものなので、あくまでも参考程度にご覧ください。また、基本的に2011年9月末までの測定を入力しています(それ以降に測定開始したところは入力していることもあります)。 国・自治体による高さ1m・0.5m計測を中心とした放射線量マップ Radiation dose measured by MEXT and local governments at 1 or 0.5 meter height.
Xenon-133 Northern hemisphere - radiation | FLEXPART: dispersion model
Iodine-131 Japan - radiation | FLEXPART: dispersion model
Over the weekend I came across some data on levels of radiation in Japan collected by the Japanese government, and helpfully translated into English by volunteers. Unfortunately the data was also somewhat unhelpfully stuck in PDF format. However between us Gemma Hobson, Pete Warden and I transcribed, mostly by hand, some of the more helpfully formatted files into CSV format (16KB) making it acceptable to Pete's OpenHeatMap service. The map embedded below shows our first results. Radiation visualizations paint a different picture of Japan - O'Reilly Radar
日本語 | English This map visualises crowd-sourced radiation geiger counter readings from across Japan. Click on the labels to get more information on the source of each reading. The number of locations fluctuate due to the validity of the data feeds. There are approximately 185 feeds from the official Japanese government source MEXT and the rest are from other sources such as the Tokyo hackspace, universities,local councils and concerned individuals. #geigermaps
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