Distribution and characteristics of radioactivity ({232}Th, {226}Ra, {40}K, {137}Cs and {90}Sr) and radiation in Korea
À±ÁÖ¿ë, ÃÖ¼®¿ø, ±èâ±Ô, ¹®Á¾ÀÌ, ³ëº´È¯,
¼Ò¼Ó »ó¼¼Á¤º¸
À±ÁÖ¿ë ( Yun Ju-Yong )
Çѱ¹¿øÀڷ¿¬±¸¼Ò
ÃÖ¼®¿ø ( Choi Seok-Won )
Çѱ¹¿øÀڷ¿¬±¸¼Ò
±èâ±Ô ( Kim Chang-Kyu )
Çѱ¹¿øÀڷ¿¬±¸¼Ò
¹®Á¾ÀÌ ( Moon Jong-Yi )
Çѱ¹¿øÀڷ¿¬±¸¼Ò
³ëº´È¯ ( Rho Byung-Hwan )
Çѱ¹¿øÀڷ¿¬±¸¼Ò
KMID : 0364920050300040167
Abstract
The concentrations of natural and artificial radionuclides in soil and gamma ray dose rate in air at 233 locations in Korea have been determined. The national mean concentrations of {232}Th, {226}Ra, {40}K, {137}Cs and {90}Sr in soil were 60{pm}31, 33{pm}14, 673{pm}238, 35{pm}9.3 and 5.0{pm}3.4 Bq kg{-1}, respectively. The mean gamma-ray dose rate at 1 m above the ground was 7918 nGy h{-1}. {137}Cs concentration had highly significant correlation with organic matter content and cation exchange capacity. {90}Sr concentration had slightly coherent with pH. The results have been compared with other global radioactivity and radiation measurements.
Å°¿öµå
natural radionuclide;artificial radionuclide;soil;gamma ray dose rate
¿ø¹® ¹× ¸µÅ©¾Æ¿ô Á¤º¸
µîÀçÀú³Î Á¤º¸