Development of Tools and Linkages for Regional Hydrologic Assessments

区域水文评估工具和联系的开发

• 批准号: 9634337
• 负责人: Richard McNider
• 金额: $ 45万
• 依托单位: University of Alabama in Huntsville
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1996
• 资助国家: 美国
• 起止时间: 1996-10-01 至 2002-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9634337&HistoricalAwards=false
• 关键词: Development; Tools; Linkages; Regional; Hydrologic

9634337 McNider It is the purpose of this project to develop tools and linkages between climate models and the hydrology of the Tennessee River. Specifically, we will examine the relationships and techniques for assessing the thermal quality of the waters of the reservoirs and stream sections of the Tennessee River System. Previous studies have shown that the thermal quality of water is critical to maintenance of the ecology of the river system and is a regulatory constraint for industries along the river. This also a river attribute which may be sensitive to changes in hydrological characteristics such as precipitation evapotranspiration as well as changes in temperature. Thus, it is of concern in climate change scenarios. In order to build and test thermal quality assessment models we will emphasize modeling the 1988-1989 period which represents the biggest hydrological contrast in the present climate record for this region. The project will utilize mesoscale atmospheric models to develop higher resolution inputs to the hydrologic models, physically based hydrologic models to characterize streamflows and a reservoir analysis model to translate physical information into economic and environmental quality measures. The objective of the study is to determine whether a global scale model can capture the important interannual signals affecting regional hydrology and whether this information can be propagated with fidelity through a mesoscale model through a hydrology model to a thermal quality model to replicate actual impacts.

小行星9634337 该项目的目的是开发工具，并建立气候模型与田纳西河水文之间的联系。 具体来说，我们将研究的关系和技术，用于评估的沃茨的水库和田纳西河系统的流部分的热质量。 以往的研究表明，水的热质量是至关重要的河流系统的生态维护，是一个监管约束沿着的工业。 这也是一个河流属性，可能对水文特征的变化敏感，如降水蒸散以及温度的变化。 因此，它在气候变化情景中受到关注。 为了建立和测试热质量评估模型，我们将强调模拟1988-1989年期间，这代表了最大的水文对比，在目前的气候记录，该地区。 该项目将利用中尺度大气模型为水文模型提供更高分辨率的输入数据，利用物理水文模型描述径流特征，并利用水库分析模型将物理信息转化为经济和环境质量措施。 研究的目的是确定全球尺度模型是否能够捕捉影响区域水文的重要年际信号，以及这种信息是否能够通过中尺度模型、水文模型和热质量模型逼真地传播，以复制实际影响。