The 4th International Ra-Rn Workshop June 3-8, 2012

来自罗德岛大学的这笔资金将为第四届国际镭和氡讲习班提供部分资金，这是正在进行的一系列国际讲习班中的最新一期，该系列讲习班致力于在环境中应用和测量作为示踪剂的镭(Ra)同位素和氡(Rn)的发展和新方向。镭和氡同位素的准确测量和建模非常重要，因为它们已成为确定海底地下水排入海洋的通量、沿海水域的混合率、水在河口的停留时间以及地表水和地下水之间相互作用的日益重要的工具。讲习班将为越来越多的科学家提供一个重要的论坛，讨论测量镭-223、-224、-226、-228、-220和-222的益处和挑战，以及用于将结果应用于环境问题的模型。以前在摩纳哥、威尼斯和耶路撒冷举办的Ra-Rn讲习班(如下所列)确定了一些与水生系统中Ra和Rn的应用和准确测量有关的问题。这些问题和其他问题将极大地受益于与更广泛的科学界进行讨论，正如为这次研讨会所建议的那样。更广泛的影响：讲习班将提供一个及时和宝贵的机会，继续开展关于Ra和Rn示踪剂应用的讨论，提供科学和方案最新情况，并促进国际合作。在提交提案时，来自15个国家的54名与会者已登记参加讲习班。提议的传播会议成果的机制包括在环境观测系统上发表一篇简短的摘要文章，以及将在一份经共同商定的顶级科学期刊上发表同行评议出版物的特刊。以这些方式传播会议结果将使包括学生和早期职业科学家在内的更广泛的科学界了解最新进展。

Funds from this award to the University of Rhode Island will provide partial funding for the Fourth International Radium and Radon Workshop, the latest in an ongoing international workshop series devoted to developments and new directions in the application and measurement of radium (Ra) isotopes and radon (Rn) as tracers in the environment. The accurate measurement and modeling of radium and radon isotopes is important because they have become increasingly important tools for determining fluxes of submarine groundwater discharge (SGD) into the ocean, rates of mixing of coastal waters, residence times of water in estuaries, and interactions between surface water and groundwater. The workshop will provide an important forum for a growing community of scientists to discuss the benefits and challenges associated with the measurement of radium-223 , radium-224, radium-226, radium-228, radon-220, and radon-222 , as well as models used to apply the results to environmental problems. Prior Ra-Rn workshops held in Monaco, Venice, and Jerusalem (listed below) have identified a number of issues related to the application and accurate measurement of Ra and Rn in aquatic systems. These and other issues would greatly benefit from discussions with the broader scientific community, as proposed for this workshop. Broader Impacts: The workshop would provide a timely and valuable opportunity to continue to develop discussions on the application of Ra and Rn tracers, provide scientific and programmatic updates, and foster international collaboration. At the time of the proposal submission, 54 participants from 15 countries had registered for the workshop. Proposed mechanisms to disseminate the meeting results include a short synopsis article in EOS, AGU/ASLO special session(s), and a special issue of peer-review publications to be published in a collegially agreed-upon top scientific journal. Dissemination of the meeting results in these ways would inform the broader scientific community, including students and early career scientists, of the latest developments.