Levels of Hg and other chemical elements in volcanic ash fall samples erupted from Mt. Sakurajima, Japan

Levels of Hg and other chemical elements in volcanic ash fall samples erupted from Mt. Sakurajima, Japan
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日本樱岛火山喷发的火山灰掉落样本中汞和其他化学元素的含量

DOI:
10.1080/02772248.2016.1139117
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发表时间:
2016
影响因子:
1.8
通讯作者:
H. Takanashi
H. Takanashi
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
A. Ohki;T. Nakajima;K. Hayashi;H. Taniguchi;K. Haraguchi;H. Takanashi

文献摘要

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Mt. Sakurajima is a volcanic island in Japan, and a big city, Kagoshima, is quite close to the active volcano. Samples of volcanic ash fall erupted from Mt. Sakurajima were collected at several locations in Kagoshima City and analyzed for Hg and other elements, including major (Mg, Al, Ca, and Fe) and trace elements (V, Cr, Mn, Co, Ni, Zn, As, and Pb). The concentrations of Hg varied from 6.3 to 124 ng g−1, with the amounts of ash varying from 13 to 1230 g m−2month−1. The Hg concentrations tended to be higher when the monthly amounts of ash fall were lower; other elements did not show such a tendency.