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Relative contribution of mineral dust versus black carbon to Third Pole glacier melting
Atmospheric Environment ( IF 5 ) Pub Date : 2020-02-01 , DOI: 10.1016/j.atmosenv.2020.117288
Zhaofu Hu , Shichang Kang , Xiaofei Li , Chaoliu Li , Mika Sillanpää

Abstract Large-scale glaciers in the Third Pole are experiencing significant thinning and retreat, partly due to the increased deposition of black carbon (BC) and mineral dust (MD). At present, BC is generally considered a more important contributing factor than MD to glacier melting. Based on a deep analysis of published data, the relative contribution of MD versus BC to snow/ice melting increases rapidly, because BC is more likely than MD to be discharged during the melting process. As a result, the contribution of MD to glacier melting is comparable to or even higher than that of BC when the glacier surface appears as aged snow and bare ice. The importance of MD to glacier melting must therefore be emphasized in the water tower of Asia.

中文翻译:

矿物粉尘与黑碳对第三极冰川融化的相对贡献

摘要 第三极的大规模冰川正在经历显着的变薄和消退,部分原因是黑碳(BC)和矿物粉尘(MD)的沉积增加。目前,人们普遍认为 BC 比 MD 对冰川融化的影响更为重要。根据对已发表数据的深入分析,MD 与 BC 对雪/冰融化的相对贡献迅速增加,因为 BC 比 MD 更有可能在融化过程中排放。因此,当冰川表面呈现老化雪和裸冰时,MD对冰川融化的贡献与BC相当甚至更高。因此,必须在亚洲的水塔中强调 MD 对冰川融化的重要性。
更新日期:2020-02-01
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