Instrumentation for the Study of Sedimentary Processes and Stratigraphy in Lakes and Nearshore Marine Environments in an Undergraduate Geology Curriculum

本科地质课程中湖泊和近岸海洋环境沉积过程和地层学研究的仪器

• 批准号: 9351733
• 负责人: Michael Retelle
• 金额: $ 4.68万
• 依托单位: Bates College
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-08-01 至 1996-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9351733&HistoricalAwards=false
• 关键词: Instrumentation; Study; Sedimentary; Processes; Stratigraphy

9351733 Retelle A recording CTD, an acoustic sub-bottom profiling system, and a magnetic susceptibility system are being used in the analysis of sedimentary processes and stratigraphy in lacustrine and nearshore marine environments. The addition of this equipment is allowing for development of field and lab exercises in courses in Sedimentology, Glacial, and Quaternary Geology, in two current field courses, and in faculty-student research. The CTD unit is being used to monitor controls on modern sediment transport and deposition such as salinity, temperature, and oxygen in the water column. The acoustic sub- bottom profiler is an "echo-sounding" system that is being used to obtain detailed continuous records of sediment fill in transects across the lake or marine basins. The magnetic susceptibility system is being used to determine the magnetostratigraphy of sediment cores recovered from the lakes and marine basins which will subsequently provide a means for correlation of cores within the basin. The new equipment is greatly strengthening our existing program of environmental and paleoenvironmental studies by introducing students to modern sedimentological and stratigraphical techniques that provide detailed information on sedimentary processes and depositional environments. ***

9351733 Retelle A记录CTD、一种海底下声学剖面系统和一种磁化率系统正用于分析湖泊和近岸海洋环境中的沉积过程和地层学。 这一设备的增加允许在沉积学，冰川和第四纪地质学课程，在两个当前的实地课程，并在教师学生的研究领域和实验室练习的发展。 CTD装置正用于监测对现代沉积物迁移和沉积的控制，如水柱中的盐度、温度和氧气。 声学次海底剖面仪是一种“回声探测”系统，用于获取横跨湖泊或海洋盆地的剖面沉积物填充的详细连续记录。 磁化率系统正被用来确定从湖泊和海洋盆地中采集的沉积物岩心的磁性地层学，这将随后为盆地内岩心的对比提供一种手段。 新设备通过向学生介绍现代沉积学和地层学技术，提供沉积过程和沉积环境的详细信息，大大加强了我们现有的环境和古环境研究计划。 ***