U.S.-Australia Cooperative Research: Paleohydrologic Implications of Natural Soil-Water Isotopes

该奖项将支持威廉博士和 新墨西哥州矿业与技术学院的斯通博士说， 格伦河英联邦水资源司的步行者 科学和工业研究组织，Glen Osmond，South 澳大利亚 研究人员将研究获得 使用氯化物质量的古水文条件信息- 平衡的方法，通过测试的方法在墨累盆地的南部 澳大利亚的年代学和古气候学数据 available. 从几个40米钻孔中获得的样品将 分析了水分、土壤-水氯化物、氧-18和氘 含量，并将结果与稳定和 放射性同位素，现有的年代学数据，以及以前的 古气候重建 该项目结合了两名调查人员的专业知识，一名在 同位素和氯化物质量平衡法的使用， 澳大利亚地质学 这项研究的结果应该 有助于我们对放射性物质行为的基本理解， 土壤中的同位素，对土壤研究的长期影响 水资源和废物处理动态。

This award will support collaborative research between Dr. William Stone of the New Mexico Institute of Mining and Technology, and Dr. Glen R. Walker of the Divison of Water Resources, Commonwealth Scientific and Industrial Research Organization, Glen Osmond, South Australia. The investigators will study means for obtaining information on paleohydrologic conditions using a chloride mass- balance approach by testing the method in the Murray Basin of South Australia, where both chronologic and paleoclimatological data are available. Samples obtained from several 40m boreholes will be analyzed for moisture, soil-water chloride, oxygen-18, and deuterium content, and the results compared with results of stable and radioactive isotopes, existing chronologic data, and previous paleoclimate reconstructions. This project combines the expertise of the two investigators, one in the use of isotopes and the chloride mass-balance method, and the other in Australian Geology. The results of this research should contribute to our basic understanding of the behavior of radioactive isotopes in soils, with longer-term impact on the study of ground water resources and waste disposal dynamics.