DMS与全球海洋表面的太阳辐射剂量之间存在强烈的关系
1Institut de Ciències del Mar (CSIC), Passeig Marítim de la Barceloneta 37-49, 08003 Barcelona, Catalonia, Spain. sergio.vallina@icm.csic.es
概括
海洋生物原二甲基硫化物 (DMS) 排放与太阳辐射有着密切的联系. 这一发现支持一个潜在的气候反循环,在这个循环中,阳光会影响海洋中DMS的产生.
科学领域:
- 海洋生物地质化学海洋生物地质化学
- 大气化学 大气化学
- 气候科学 气候科学
背景情况:
- 海洋生物二甲基硫化物 (DMS) 是大气中的硫的重要天然来源.
- DMS在云形成和地球在遥远海洋上的白度中起着至关重要的作用.
研究的目的:
- 研究海洋DMS度与环境因素之间的关系.
- 评估涉及DMS和太阳辐射的气候反机制的潜力.
主要方法:
- 对DMS度的全球数据分析.
- 与上层海洋混合层中的太阳辐射剂量相关性分析.
主要成果:
- DMS度与太阳辐射剂量有很高的正相关性.
- 这种相关性在不同度,浮游生物质水平和温度之间是一致的.
结论:
- 太阳辐射是海洋DMS生产的关键驱动力.
- 这支持了通过DMS排放调节气候的负反循环的假设.
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