Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 0619873 |
| Acquisition of Single-grain-luminescence-dating Instrument Systems | |
| Glenn Berger | |
| 主持机构 | Nevada System of Higher Education, Desert Research Institute |
| 开始日期 | 2006-09-01 |
| 结束日期 | 2008-08-31 |
| 资助经费 | 437917(USD) |
| 项目类别 | Standard Grant |
| 资助机构 | US-NSF（美国国家科学基金会） |
| 项目所属计划 | MAJOR RESEARCH INSTRUMENTATION, INSTRUMENTATION & FACILITIES |
| 语种 | 英语 |
| 国家 | 美国 |
| 英文简介 | This Major Research Instrumentation award supports acquisition of two Riso automated instrument systems for microgram and single-grain luminescence sediment dating at the Desert Research Institute (DRI) in Reno, operating the only geochronology laboratory in Nevada. Each of the systems includes a fully automated, micro-focusing, dual-laser, luminescence-stimulation facility and a low-hazard, mini-X-ray generator. The equipment is expected to grow present and support new collaborations among paleoenvironmental scientists, and to provide new opportunities for research training of students, within Nevada (at DRI, at the Nevada Bureau of Mines and Geology, and at the universities in Reno and Las Vegas) and within nearby western states, as well as the region's private geoscience sector. Such scientists and students will be able to collaborate in the use of the equipment for paleoenvironmental studies in fields such as paleoseismology, neotectonics, paleoclimatology, Quaternary geology (including Arctic and Antarctic studies), paleohydrology, geomorphology, geoarcheology, and paleoanthropology. Analyses of stored luminescence from single grains of quartz has been proven to provide accurate burial dates (last exposure to daylight) of grains in several classes of unheated sediments, from as young as a decade to as old as about 200,000 yrs. Thus, this technology can provide accurate timescales of sediment-matrix deposition (hence, of associated preserved environmental conditions) in settings that otherwise have been difficult or impossible to date. Examples of such dating applications include: measuring the time of last use of pre-historic irrigation canals in New Mexico; determining the history of sea-ice coverage in the Arctic Ocean; determining ice-shelf-collapse histories in Antarctica; and providing critical data for addressing state and national earthquake and flood histories. |
| 来源学科分类 | Geosciences |
| URL | https://www.nsf.gov/awardsearch/showAward?AWD_ID=0619873 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/342393 |
| 推荐引用方式 GB/T 7714 | Glenn Berger.Acquisition of Single-grain-luminescence-dating Instrument Systems.2006. |
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