Measurement of 222Rn and 210Pb in the Pacific Stratus/SulfurInvestigation (PSI) to Establish the Marine Provenance of Enhanced CCN Abundances

在太平洋层云/硫调查 (PSI) 中测量 222Rn 和 210Pb，以确定增强的 CCN 丰度的海洋来源

• 批准号: 9005700
• 负责人: Mark Kritz
• 金额: $ 14.32万
• 依托单位: SUNY at Albany
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1990
• 资助国家: 美国
• 起止时间: 1990-09-01 至 1993-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9005700&HistoricalAwards=false
• 关键词: Measurement; 222Rn; 210Pb; Pacific; Stratus

The PI will conduct airborne measurements of 222Rn as part of the Pacific Stratus/Sulfur Investigation. The radionuclide measurements will compliment measurements made by the NASA/Ames tracking sun photometer, the NOAA/PMEL sulfur gas chromatograph and the NOAA aerosol size distribution probes to investigate the postulated link between marine dimethyl sulfide emissions and the reflective properties of marine stratus clouds. Altitude profiles will be conducted to locate layers of enhanced particle abundance or thin cloud, and samples for radionuclide and sulfur gas analysis will be collected in and between the layers. Source origins and degree of recent aerosol scavenging and free troposphere - boundary layer exchange will be assessed in conjunction with measurements made on other PSI platforms, meteorological analyses, and satellite observations.

PI将进行222Rn的空中测量，作为太平洋层/硫调查的一部分。放射性核素测量将补充NASA/Ames跟踪太阳光度计、NOAA/PMEL硫气相色谱仪和NOAA气溶胶大小分布探测器所做的测量，以调查海洋二甲硫排放与海洋层云反射特性之间的假设联系。将进行高度剖面图，以确定粒子丰度增强的层或薄云的位置，并在层内和层之间收集放射性核素和硫气体分析样本。将结合其他PSI平台的测量、气象分析和卫星观测，评估近期气溶胶清除和对流层-边界层自由交换的来源、来源和程度。