印度尼西亚廖内省森林火灾期间放射性颗粒物向空气中的释放

IF 0.6 Q4 NUCLEAR SCIENCE & TECHNOLOGY

Atom Indonesia Pub Date : 2019-08-30 DOI:10.17146/aij.2019.829

S. Syarbaini, M. Makhsun, W. Wahyudi, S. Syahrial, J. Jasmiyati

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引用次数: 3

摘要

森林火灾是旱季的年度问题，成为印度尼西亚森林资源的最大威胁。森林大火向大气中释放了大量的颗粒物和挥发性物质。本研究以2015年发生在廖内省的强烈森林火灾季节的森林火灾排放灰烬放射性事件为例，调查了森林火灾对空气质量的影响。2015年5月至12月，采用大体积TSP(总悬浮粒子)采样器采集了一处大气气溶胶样本。用伽马能谱法测量了空气中颗粒物中的放射性核素浓度。结果表明，226 Ra、232 Th和40 K的活性浓度分别为0.026 ~ 0.114 mBq/m 3、0.005 ~ 0.011 mBq/m 3和0.99 ~ 5.64 mBq/m 3。除2015年7月和9月外，空气中137cs的活性浓度低于γ计数系统的最小可检测活性(本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Release of Radioactive Particulates into the air during Forest fire in Riau Province, Indonesia

Forest fires are annual problem during the dry season and become a biggest threat to forest resources in Indonesia. The forest fires release into the atmosphere large quantities of particulate matter and volatilized substances . The present study investigates effects of forest fire on air quality in the case of a radiological event of ashes from forest fires emissions in Riau province during an intense forest fire season that occurred in 2015. A tmospheric aerosol samples were collected from May to December , 201 5 using a large volume TSP (total suspended particles) sampler. Concentrations of radionuclides in airborne particulate matter were measured by using gamma spectrometry . It was shown that the activity concentrations of 226 Ra, 232 Th and 40 K ranged from 0.026 to 0.114 mBq/m 3 , 0.005 to 0.011 mBq/m 3 and 0.99 to 5.64 mBq/m 3 , respectively. The activity concentrations of 137 Cs in air was found lower than the minimum detectable activity of the gamma counting systems (

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来源期刊

Atom Indonesia NUCLEAR SCIENCE & TECHNOLOGY-

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

16 weeks

期刊介绍： The focus of Atom Indonesia is research and development in nuclear science and technology. The scope of this journal covers experimental and analytical research in nuclear science and technology. The topics include nuclear physics, reactor physics, radioactive waste, fuel element, radioisotopes, radiopharmacy, radiation, and neutron scattering, as well as their utilization in agriculture, industry, health, environment, energy, material science and technology, and related fields.