[2L01-04] Imaging Technique

[2L04] Measurement of Radioactive Profile in Woods in Fukushima Prefecture

*Masashi Takada¹, Hikaru Kuno¹, Youki Suzuki², Toshiaki Arima³, Yoshimasa Miyazaki³, Yumiko Suto³, Toshikazu Suzuki⁴ (1. National Defense Academy of Japan, 2. Forestry and Forest Products Research Institute, 3. National Institute of Radiological Sciences, 4. Chiyoda Technol Corporation)

Keywords:Imaging plate, Radioactivity material, Beta ray, Wood, Cesium 137

We have measured radioactive profiles in woods grown in forests in the Fukushima Prefecture. Waters were reserved in the wood samples to measure the radioactive profile at near conditions of living trees. The radioactive profiles of the wood samples were measured by radiation exposure to an imaging plate in a lead shield box. The results show different radioactive distributions in between deciduous and acicular trees, and in heights from the ground.