这个日期可不是随便定的:它与首批核试验对地质表面造成影响的时间相符。
Actually, it won’t necessarily be nuclear tests that ended the Holocene. Humanity’s impact on the planet is so great that we’re left “spoiled for choice” in terms of which particular signal to choose.
实际上,核试验并非结束全新世的唯一必要条件。人类活动对地球的影响是如此深刻,可供选择的因素简直多到让人“眼花缭乱”,很难定夺到底哪一因素起了决定性作用。
Plastic pollution, soot from power plants, concrete and even domestic chicken bones were considered possible contenders.
塑料污染,发电厂煤烟,钢筋混泥土,甚至是家养鸡的骨头都被列入可能的影响因素。
“The radionuclides are probably the sharpest – they really come on with a bang,” said the Working Group’s chair Jan Zalasiewicz, of the University of Leicester. “But we are spoiled for choice. There are so many signals.”
工作组主席、莱斯特大学的简•扎拉斯维奇表示:“放射性核素大概是这其中最厉害的一个因素—— 放射性核素真是伴随着‘砰’声来临,但是可供选择的因素太多了,许多因素都对地质产生了巨大影响。”
Now that the vote has been done, we’ll see a few years of site sampling to figure out the best Global Standard Stratigraphic Age (GSSA) to date the start of the Anthropocene, which will then be presented to the International Commission on Stratigraphy.
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