Early Career: Acquisition of Instrumentation to Measure Electrical Resistivity at the Field and Lab Scale

早期职业生涯：购买仪器以在现场和实验室规模测量电阻率

• 批准号: 1144043
• 负责人: Kamini Singha
• 金额: $ 9.27万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-10-01 至 2013-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1144043&HistoricalAwards=false
• 关键词: Early; Career; Acquisition; Instrumentation; Measure

1144043SinghaThis grant supports acquisition of an ten channel electrical resistivity (ER) system (IRIS Syscal Pro) for the Department of Geosciences at Penn State University. ER is sensitive to changes in the electrical conductivity of the shallow subsurface and has applications for spatially and temporally resolved observations of subsurface fluid content and composition. As measured resistances between source and receiver electrodes record the average electrical properties of porous media and conductive fluids along the path length, measurements are a useful complement to discrete in situ sampling and observations from wells. The ER system will support a range of research including remote time series monitoring of hydrologic tracer transport, imaging solute transport between aquifers and stream base flow, studies of groundwater transport in desert ecosystems, and studies of the kinetics of subsurface diagenesis of organics via bacterial iron reduction. The ER system will support research at a Critical Zone Observatory (Shale Hills) and research training through a three-week integrated hydrogeophysics summer course aimed at underrepresented undergraduates from three Historically Black Colleges and Universities partnered with Penn State (Jackson State University, MS; Fort Valley State University, GA; and Elizabeth City State University, NC).***

1144043 Singha该赠款支持宾夕法尼亚州立大学地球科学系购买十通道电阻率（ER）系统（IRIS Syscal Pro）。 ER对浅层地下的电导率变化敏感，并可应用于地下流体含量和成分的空间和时间分辨观测。 由于源电极和接收器电极之间的测量电阻记录了多孔介质和导电流体沿着路径长度的平均电特性，因此测量是对来自威尔斯的离散原位采样和观察的有用补充。 ER系统将支持一系列研究，包括水文示踪剂运输的远程时间序列监测，含水层和河流基流之间的溶质运输成像，沙漠生态系统中的地下水运输研究，以及通过细菌铁还原的有机物地下成岩动力学研究。 ER系统将通过为期三周的综合水文物理学夏季课程支持临界区观测站（页岩山）的研究和研究培训，该课程针对与宾夕法尼亚州立大学合作的三所历史上黑人学院和大学（杰克逊州立大学，MS; Fort Valley州立大学，GA;和伊丽莎白城州立大学，NC）的代表性不足的本科生。