Investigations of the Marine Organic Carbon Cycle in the North Atlantic Ocean

北大西洋海洋有机碳循环的调查

• 批准号: 8716590
• 负责人: Ellen Druffel
• 金额: $ 34.82万
• 依托单位: Woods Hole Oceanographic Institution
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1987
• 资助国家: 美国
• 起止时间: 1987-12-01 至 1991-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8716590&HistoricalAwards=false
• 关键词: Investigations; Marine; Organic; Carbon; Cycle

Funds are requested for the investigation of radiocarbon and stable carbon isotope ratios and various other chemical properties in the major organic and inorganic carbon pools in the North Atlantic Ocean. Measurements will be made of dissolved organic and inorganic carbon (DOC and DIC) in a detailed profile collected at a site near Station S off Bermuda in the Sargasso Sea. In addition, the radiocarbon and stable carbon isotope ratios in specific organic components of the DOC (humic and labile constituents) will be measured. Suspended particulate organic carbon (POC) will be collected from 10 depth and sinking POC from 3 depth (1000, 2600 and 3600 meters at the same site. The goals of this project are to formulate the pathways that carbon follows in the open ocean water column of the North Atlantic, and to compare these results with those obtained earlier for the North Pacific. In particular, there is interest in determining the sources and time constants involved in the cycling of DOC, especially those which involves sedimentary organic carbon (SOC) and POC in the water column. The goals of this project is directly related to those of the Global Ocean Flux Study (GOFS).

请求提供资金用于调查放射性碳 稳定的碳同位素比率和各种其他化学物质 主要有机碳库和无机碳库的性质 北大西洋 测量将由 溶解有机碳和无机碳（DOC和DIC） 在百慕大S站附近的一个地点收集的详细剖面图 在马尾藻海 此外，放射性碳和稳定的 DOC特定有机组分的碳同位素比值 （腐殖酸和不稳定成分）将被测量。 悬浮 颗粒有机碳（POC）将从10个 深度和从3个深度（1000、2600和3600米）下沉POC 在同一地点。 该项目的目标是制定 碳在开放海洋水柱中的路径 并将这些结果与那些 在北太平洋的早期。 特别是 对确定源和时间常数感兴趣 参与DOC的循环，特别是那些涉及 沉积有机碳（SOC）和POC在水体中。 该项目的目标与 全球海洋通量研究。