Collaborative Research: Facility Support: National Lacustrine Core Facility (LacCore)

明尼苏达大学双子城分校和德卢斯分校（EAR-0949285）之间的这项合作拨款，将为LacCore的运营和实验室改进提供新的支持，LacCore是一个国家多用户湖泊核心档案和分析设施。LacCore以前在EAR-0652769下得到支持。LacCore设施通过详细的沉积学分析和湖泊岩心档案服务，支持湖沼学社区的研究，这些研究有助于我们了解大陆上过去的气候、生态系统和生物地球化学动力学。LacCore运营开放式实验室，允许社区获得专业领域和实验室设备以及初始核心描述（ICD）方法的工作人员专业知识，包括：核心分裂；无损多传感器岩心测井；孢粉学的准备;粒度分析；碳电量分析;x射线衍射相识别；生物硅分析；为随后的稳定同位素分析准备样品；数码岩心摄影，光学岩石学/涂片分析。LacCore还提供冷藏和冷冻岩心存储和档案服务，以及现场岩心设备和策展材料（d管）支持湖泊岩心探险。LacCore的工作人员还负责管理湖芯ICD元数据，并将所有数据例行传输给NOAA。美国国家地球物理数据中心。位于德卢斯的大湖天文台现在将成为LacCore的一个节点，并将为更广泛的古记录研究界提供x射线荧光（XRF）岩芯扫描服务，以快速进行岩芯元素分析。LacCore将从2011年开始制定用户收费计划。该设施将继续作为数百名研究人员，特别是研究生，在取心和岩心分析技术方面的训练场。拉科的工作人员从事教育和外联工作，包括一个正在进行的合作项目，旨在研究明尼苏达州北部野生稻湖的古环境，合作对象是苏必利尔湖奇佩瓦湖丰迪拉克部落学院和丰迪拉克部落和社区学院的部落大学生和教师。＊＊＊

0949962ItoThis collaborative grant between the University of Minnesota - Twin Cities and Duluth (EAR-0949285) campuses supports renewed support of operations and laboratory improvements at LacCore, a national multi-user lacustrine core archival and analysis facility. LacCore was previously supported under EAR-0652769. The LacCore Facility supports the limnological community for studies that contribute to our understanding of past climates, ecological systems, and biogeochemical dynamics on the continents though detailed sedimentological analysis and archival services for lacustrine cores. LacCore operates open laboratories to allow community access to specialized field and laboratory equipment and staff expertise for Initial Core Description (ICD) methods including: core splitting; non-destructive multi-sensor core logging; palynological preparation; grain size analysis; carbon coulometry; phase identification via x-ray diffraction; biogenic silica analysis; preparation of samples for subsequent stable isotopic analysis; digital core photography, and optical petrography/smear slide analysis. LacCore also provides refrigerated and frozen core storage and archival services and field coring equipment and curatorial materials (D-tubes) support for lake coring expeditions. LacCore staff are also responsible for curation of lake core ICD metadata and the routine transmission of all data to NOAA?s National Geophysical Data Center. The Large Lake Observatory at Duluth will now be a node of LacCore and will provide x-ray fluorescence (XRF) core scanning services to the broader paleorecords research community for rapid down core elemental analysis. LacCore will institute a user fee schedule beginning in 2011. The Facility will continue as a training ground for hundreds of researchers, particularly graduate students, in coring and core analysis techniques. LacCore staff are engaged in education and outreach including an ongoing collaborative project aimed at study of the paleoenvironments of wild rice lakes in northern Minnesota with tribal college students and teachers from the Fond du Lac Band of Lake Superior Chippewa and Fond du Lac Tribal and Community College. ***