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世界大战的弹药作为波罗的海西南部的来源

Kathleen J Gosnell¹, Lars-Eric Heimbürger-Boavida², Aaron J Beck¹

¹GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany.

|October 25, 2023

概括

在基尔湾倾倒的二战弹药是 (Hg) 的来源. 虽然Hg在弹药地点附近的沉积物中升高,但由于混合和去除过程,水污染仍然很低.

科学领域:

环境化学环境化学
海洋污染海洋污染
毒理学毒理学毒理学

背景情况:

(Hg) 是一种持久性污染物,甲基 (MeHg) 是一种强大的神经毒素.
世界大战 (WW) 含有Hg fulminate的弹药被倾倒在海洋环境中,构成潜在的长期Hg来源.
数十年后,水下弹药的腐蚀会将危险化合物释放到海洋环境中.

研究的目的:

评估德国基尔湾区域 (Hg) 污染水平.
为了量化来自世界大战 (WW) 弹药的Hg污染.
调查弹药倾倒场向海洋环境释放的可能性.

主要方法:

从基尔湾收集和分析水和沉积物样本,目标是弹药倾倒场 (Kolberger Heide) 和控制区.
测量沉积物和水柱中的 (Hg) 和甲基 (MeHg) 度.
进行沉积物-水交换实验以确定Hg和MeHg流.

主要成果:

与背景地点 (14 ± 18 ng/g) 相比,Kolberger Heide弹药倾倒场附近的沉积物Hg度显著增加 (125 ± 76 ng/g).
在水柱中溶解的Hg度在各位点 (0.82.1 pM) 上没有显著的变化.
沉积物和水中的甲基 (MeHg) 度在任何采样地点都没有升高.

结论:

靠近世界大战 (WW) 弹药的基尔湾沉积物作为潜在的 (Hg) 来源.
尽管沉积物中的Hg含量局部升高,但水柱混合和去除过程有效地限制了Hg排放到上面的水域.
可能需要进一步的研究,以充分了解Hg从弹药垃圾场的长期命运和运输.

关键词:

科尔贝格尔说,这是一个好地方.富林酸是一种酸.水银的物种化情况.甲基是一种.在UXO中,UXO是UXO.

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