RESIDENCE TIMES OF GLOBAL WEAPONS TESTING FALLOUT NP-237 IN A GRASSLAND SOIL COMPARED TO PU-259+240, AM-241, AND CS-137

被引：22

作者：

BUNZL, K

KOFUJI, H

SCHIMMACK, W

TSUMURA, A

UENO, K

YAMAMOTO, M

机构：

[1] KANAZAWA UNIV, LOW LEVEL RADIOACTIV LAB, TATSUNOKUCHI, ISHIKAWA, JAPAN

[2] NATL INST AGROENVIRONM SCI, TSUKUBA, IBARAKI 305, JAPAN

来源：

HEALTH PHYSICS | 1995年 / 68卷 / 01期

关键词：

RADIATION; NEPTUNIUM; WEAPONS; FALLOUT;

D O I：

10.1097/00004032-199501000-00011

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The vertical distribution of weapons testing fallout Np-237 has been determined in an undisturbed grassland soil (Alfisol). By using a compartmental model for multi-layered soils, the mean residence half-times of Np-237 in each soil layer were calculated and compared with results on weapons fallout Pu-239+240, Am-241 and Cs-137 in the same soil. The results show that the mobility of Np-237 was in most soil horizons either equal or slightly enhanced as compared to that of Pu, Am, and radiocesium.

引用

页码：89 / 93

页数：5

共 26 条

[1]

AAKROG A, 1986, BEHAVIOR LONG LIVED, P149

[2] THE MIGRATION OF CS-137 AND SR-90 IN MULTILAYERED SOILS - RESULTS FROM BATCH, COLUMN, AND FALLOUT INVESTIGATIONS [J].