CAREER: EAR-Climate: Impacts of Recent Wetting on Cold Region Hydrologic Change in the Northern Great Plains
职业:EAR-气候:近期湿润对北部大平原寒冷地区水文变化的影响
基本信息
- 批准号:2146078
- 负责人:
- 金额:$ 44.24万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-07-01 至 2027-06-30
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Recent increases in precipitation in the Northern Great Plains (NGP) have led to heavy streamflow and devastating flood events over the last three decades. However, it is not clear how the recent wetting has influenced hydrologic fluxes such as streamflow generation. In particular, the relationship between surface water storage and hydrologic processes during a complete dry-to-wet (drought-deluge) or wet-to-dry (deluge-drought) climatic cycle are not well understood. This study will fill this knowledge gap by simulating and analyzing hydrologic processes in this climate-sensitive region using a field-tested, physically-based cold region hydrologic model. This study will include a series of field-based cold region hydrology workshops and engage high school and tribal college students in summer research. These activities will aid in the development of baseline data, inspire Native American students in snow and water resources research, and raise awareness regarding the impact of changing climate on water security and quality.The objective of this study is to inform processes, behaviors, thresholds, functions, hysteresis patterns and feedbacks during the recent dry and wet climatic states through use of a field-tested physically-based model in five headwater basins draining to Devils Lake during 1990-2020 time period. Understanding the system's present and past behavior will advance understanding of the future cold region hydroclimatic response. Moreover, studying the hysteresis behavior of the cold region system is critical to predicting future change in a region expected to experience an altered wet and dry cycles throughout the 21st century. This project is jointly funded by Hydrologic Sciences and the Established Program to Stimulate Competitive Research (EPSCoR).This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
在过去的三十年里,北方大平原(NGP)降水量的增加导致了大量的径流和毁灭性的洪水事件。然而,目前尚不清楚最近的湿润如何影响水文通量,如径流发电。特别是,在一个完整的干-湿(干旱-洪水)或湿-干(洪水-干旱)气候循环过程中,地表水储存和水文过程之间的关系还没有得到很好的理解。本研究将填补这一知识空白,模拟和分析在这个气候敏感地区的水文过程,使用现场测试,基于物理的寒区水文模型。这项研究将包括一系列基于实地的寒冷地区水文讲习班,并让高中和部落大学的学生参加夏季研究。这些活动将有助于基线数据的发展,激励美国原住民学生进行雪和水资源研究,并提高人们对气候变化对水安全和质量影响的认识。滞后模式和反馈,在最近的干旱和潮湿的气候状态,通过使用实地测试的物理-在1990-2020年期间,五个向魔鬼湖排放的水源流域的基于模型。了解该系统的现在和过去的行为将促进对未来寒冷地区水文气候响应的理解。此外,研究寒冷地区系统的滞后行为对于预测预计在整个21世纪经历干湿循环变化的地区的未来变化至关重要。该项目由水文科学和促进竞争性研究的既定计划(EPSCoR)共同资助。该奖项反映了NSF的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Remotely sensed surface water variations during drought and deluge conditions in a Northern Great Plains terminal lake basin
- DOI:10.1016/j.ejrh.2023.101392
- 发表时间:2023-06
- 期刊:
- 影响因子:0
- 作者:A. L. Archambault;Taufique H. Mahmood;P. Todhunter;S. Korom
- 通讯作者:A. L. Archambault;Taufique H. Mahmood;P. Todhunter;S. Korom
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Taufique Mahmood其他文献
Taufique Mahmood的其他文献
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