“…Because of this, oxidized compounds of the atmosphere have been analyzed not only from aerosol samples but also from rainwater, snow samples, and ice core samples. 68,[90][91][92] There has been particular interest in snow samples to examine ice nucleation properties and the occurrence of markers in ice. 68,91 Despite potential changes in compounds trapped in ice due to cosmic radiation, 93 such compounds have been analyzed to provide information about the history of climate change.…”