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NO3-是雪冰中含量最高的含氮无机离子,雪冰中NO3-浓度记录的解读已成为研究全球变化的重要内容之一.近年来国内外已经就极地与中低纬高海拔地区雪冰中NO3-浓度记录开展了大量的研究,关于NO3-所指示的环境意义形成了一系列的认识.从雪冰中NO3-的可能性来源(包括太阳活动、陆源粉尘、闪电等自然源以及其他人类源)、时空变化特征以及气-雪-冰界面转化过程等方面综述了近年来该领域的研究成果,并结合全球变化的背景对其研究前景进行了展望.
NO3- is the highest nitrogen-containing inorganic ions in snow ice, and the interpretation of NO3- concentration records in snow ice has become an important part of studying global changes.In recent years, Numerous studies have been conducted on NO3- concentration recordings and a series of insights have emerged on the environmental implications of NO3- from the sources of NO3- in snow ice (including natural sources of solar activity, terrestrial dust, lightning, and others Human sources), temporal and spatial variations, and the process of gas-snow-ice interface transformation. The research results in this field in recent years are summarized. The prospect of the research is prospected with the background of global change.