title: Atmospheric input of ¹³⁷Cs and 239,240Pu isotopes in Korea after the Fukushima nuclear power plant accident.
abstract: Caesium isotopes ((134)Cs and (137)Cs) and (239,240)Pu in rainwater and dry deposition have been analyzed by Korea Research Institute of Standards and Science (KRISS) since the Fukushima nuclear power plant (NPP) accident in March 2011. The concentrations of (239,240)Pu and (137)Cs in the rainwater are 2.6±1.0 to 15±3 µBq/kg and 0.01 to 0.36 mBq/kg, respectively. The concentrations are concordant to those observed before the Fukushima NPP accident, on the other hand, the monthly depositional flux of (239,240)Pu and (137)Cs are much lower than the amounts observed after Fukushima NPP accident and in Monaco in 1998-2001. This confirms that the Fukushima NPP accident caused no significant impact in Korea.
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.
authors: Jung-Suk
authors: JS
authors: Oh
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea. Electronic address: s.lee@kriss.re.kr.
authors: Sang-Han
authors: SH
authors: Lee
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.
authors: Jong-Ki
authors: JK
authors: Choi
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.
authors: Jong-Man
authors: JM
authors: Lee
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.
authors: Kyung-Bum
authors: KB
authors: Lee
authors: Korea Research Institute of Standards and Science, Daejeon 305-340, Republic of Korea.
authors: Tae-Soon
authors: TS
authors: Park
keywords: (137)Cs; (239,240)Pu; Dry deposition; Fukushima; Rainwater