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Let’s unite power of the young and experiences of seniors for Fukushima

Resurrection of Fukushima

Activity Report

December 2011

December 3, 2011

Recording and streaming through
Ustream (Click for Enlargement)

We cohosted an event named “Talk In: The Restoration of Fukushima” with “Global Voices from Japan”, a group of foreign students who study in Japan, which mainly hosed the event. In the event the three sites of Iitate village, Kogakuin University (Tokyo) and Ritsumeikan University (Kyoto) were connected by way of skype in order to convey opinions directly from Iitate village to the students, both foreign and Japanese. Mr. Muneo Kanno and Mr. Yoichi Tao participated from Iitate. In spite of some troubles in the disconnections of skype video, the students raised vigorous questions and opinions more than we expected. We conceived that some essence was conveyed to the students.
Video is available from Ustream. The whole record is as long as two and a half hours. Please have a look when you have a spare time.

December 4, 2011

Fixed Point Observation Post
(Click for Enlargement)
Surface Soil Trap
(Click for Enlargement)
Radiation Shielding Experiment Using
Rice Paddies (Click for Enlargement)
Dose Change Measurement
(Click for Enlargement)
Sensors Embedded in the Soil
(Click for Enlargement)
Embedding the Sensors
(Click for Enlargement)
4.4 MB PDF File: Measured Values
at various sites in Yadake-yama

Four experimental projects were proceeded in cooperation with the members from Fukushima Reconstruction by Agricultural Engineering such as Prof. Mizoguchi, Prof. Kubo and Associate. Prof. Nishimura from University of Tokyo. The four projects are:

  1. Positioning measurement post which is used for fixed-point observation in the forests;
  2. Sampling of the surface soil which flowed on the mountain slope;
  3. Radiation shielding experiment using rice paddies; and
  4. Measurement of changes in radio activity in the soil due to frost needles.
The purposes of each project are described in detail below.

  1. Fixed-point observation post
    The fixed-point observation post is a monitoring post which simultaneously observes and records radiation dose and weather data on specific points in the forests and the mountains in order to investigate the chronological change. The major contamination sources at present are caesium-134 and caesium-137, half-life in term of physics are approximately 2 years and 30 years respectively however the actual dose change in the respective environment are affected by the weather so that it is necessary to conduct measurements at sites. The observation post was placed to collect the dose values along with weather data for a long term so as to investigate the relationship between the two.
  2. Surface soil sampling
    Sampling measurements of the surface soil which flow on the mountain slope is related to the above investigation of the fixed-point observation. By obtaining the amount and the radiation dose of the surface soil to which caesium is mainly attached and which flowed by the rain, we aim at investigating the chronological change in the amount of caesium due to the displacement.
  3. Radiation shielding experiment using rice paddies
    The radiation shielding effect experiment is motivated by an idea that the surrounding dose can be decreased by shielding effect of water when the rice paddies which are not cultivated now are filled with water. The radiation change depending on water level is measured.
    Unfortunately the water level did not reach at a sufficient level by the sunset so that we could not obtain satisfactory results this day. We will try again at a next opportunity. (… but then, what a cold and windy day it was!)
  4. Measurement of Changes in Radio Activity in the Soil due to Frost Needles
    This experiment is based on an assumption that the frost needles may hold up, which in turn makes it easier to remove, a layer of soil which contains a substantial amount of caesium around the ground surface. As a preliminary investigation, sensor for measuring environmental change in the soil when the frost needles are formed (e.g. temperature, water content and electric conductivity) and data recording device were positioned.

In the meantime, the radiation measurement group went into the mountain to measure dose amount. The measurement is at the same time for field testing of mobile GPS monitor which has been developed by Mr. Yoshizawa. Measurements were conducted in Yadake-yama (“yama” means a mountain; altitude of 707m) which is in the center area of Iitate village. A general pattern of the contamination in Iitate shows high contamination in the southern slope because the radioactive cloud, or radioactive plume, which flowed from the Fukushima Daiichi Atomic Power Plant placed in the southeastern direction has touched and stayed on the mountain slope. However, Yadake-yama showed a different pattern - the eastern slope had sites with higher dose than the southern slope.

(Reported by Mr. Ogawa)

December 11, 2011

Activity Reports by Mr. Tao
(Click for Enlargement)
Mr. Muneo Kanno
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Reports on Radiation Measurements
(Click for Enlargement)
More than 60 people Participated
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Mrs. Chieko Kanno
(Click for Enlargement)

A reporting session was held on December 11, 2011 from 13:00 at Kogakuin University in Shinjuku, Tokyo.

The session was since the meeting held on Thursday, August 18, 2011 and this is the first session which was announced to the members. We welcomed Mr. and Mrs. Muneo Kanno and Ms. Yuiko Oishi from Fukushima prefecture. The participants were over 60 which was more than expected, and the class room of 70 members was almost full.

Mr. Kanno provides us with activity sites in Iitate. Ms. Oishi introduced us to Iitate village.

To start with Mr. Tao made a report on the overall activities and next Mr. Muneo Kanno reported the process since March 11 to date and the circumstances of the disaster victims. Mr. Kanno’s report that the people had lost something to live for, that they are not shown the future vision as to whether it is possible to go back to their home village again and that they are mentally driven into the corner for the above reasons prevailed the particularity and hardness of nuclear hazard. Again, we felt powerless in that the politics and the society of our country cannot cope with the difficulties.

  • Presentation Papers of Mr. Muneo Kanno (PDF 17.0MB, Japanese language only)

Shown below are the reports thereafter from each project:

  • “Fukushima Reconstruction by Agricultural Engineering” by Naritaka Kubo, as described in the above report
  • “Radioactivity Measurements and Formation of Maps”(PDF 10.5 MB, Japanese language only)
  • “Possibility of Using Plants” by Muneaki Samejima (Presentation Paper, PDF 91KB, Japanese language only)
  • “Medical and Livelihood Supports” by Yuzuru Miyoshi
  • “ICT for supporting the Activities” by Tadashi Ogawa (PDF 1.3 MB, Japanese language only)

While contents of these presentations have been partially reported in the past “Activity Report”, this session was the first opportunity to make an overall report of the plans and results of each project. It was a good opportunity to have an overview not for the new participants but also for the project members.

In the time for discussions, we painfully felt the words of Mrs. Chieko Kanno, said with anger in the accent of Fukushima, “Old people at the age of 80 or 90 who had lived their whole life in Iitate are given warning, not to go out and not to speak in loud voices under the circumstances like provisional housings. How can they live their lives? It is not only the matter of money, isn’t it a matter of human dignity?”

The report session ended with activity report summary and accounting report (documents in Japanese language, PDF 405 KB) from Mr. Onaga. After the session many participants also joined a gathering over a drink.

(Reported by Mr. Ogawa)

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