They attacked different ecosystems in different ways on different timescales, ranging from days for reentering ejecta to months for dust in the stratosphere to years for sulfuric acid aerosols.
They attacked different ecosystems in different ways on different timescales, ranging from days for reentering ejecta to months for dust in the stratosphere to years for sulfuric acid aerosols.
它们以不同的方式与时间尺度影响不同的生态系，例如，喷出的碎片只要数天就会降回地表，平流层的烟尘要花数个月，硫酸雨雾则要数年。