WSC- Category 3: Collaborative Research: Water Sustainability under Near-term Climate Change : A cross-regional analysis incorporating socio-ecological feedbacks and adaptations

WSC-类别 3:合作研究:近期气候变化下的水可持续性:纳入社会生态反馈和适应的跨区域分析

基本信息

  • 批准号:
    1318140
  • 负责人:
  • 金额:
    $ 11.11万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2012
  • 资助国家:
    美国
  • 起止时间:
    2012-09-01 至 2017-08-31
  • 项目状态:
    已结题

项目摘要

1204368/1204396/1204478Sankarasubraman Arumugam/ John Kominoski/ John SaboNorth Carolina State University/University of Georgia Research Foundation Inc./Arizona State UniversityWater resource availability varies across the Sunbelt of the United States with a sharp East-West transition at 105 degrees W. Arid regions west of the 105th Meridian produce less runoff compared to humid regions in the East that produce greater than 40 cm of mean annual runoff. Consequently, reservoirs in the West are over-year systems holding multiple years of inflows, whereas reservoirs in the East are within-year storage systems with the need to refill the system in the beginning of spring. Accordingly, water policies also differ substantially with western states pursuing ("prior appropriation") and the eastern states following ("riparian rights") for allocation. These contrasting strategies also impact freshwater biodiversity with the ratio of non-native to native fish species being nearly 6 times higher in the West compared to the East. In spite of these cross-regional differences, both regions face two common stressors: (a) uncertainty in available freshwater arising from global climate change and (b) increased human demand due to population growth and consumption. Consequently, there is an ever-increasing need for an integrated assessment of freshwater sustainability under these two stressors over the planning horizon (10-30 years). The main objective of this study is to understand and quantify the potential impacts of near-term climate change and population growth on freshwater sustainability - defined here as integrating daily to annual flows required to minimize human vulnerability and maximize ecosystem needs (including native biodiversity) for freshwater - by explicitly incorporating the feedbacks from human-environmental systems on water supply and demand in various target basins spanning Arizona to North Carolina. Using retro-analyses involving AR5 multimodel climate change hindcasts, we will revisit how freshwater sustainability could have been better achieved over the past five decades across the Sunbelt. To couple the hydroclimatic and hydro-ecological system dynamics with the management of freshwater infrastructure systems, a two-level agent-based modeling framework will explicitly simulate adaptive behaviors and feedbacks between policy and consumers. This interdisciplinary project will involve collaboration among three universities, North Carolina State University (NCSU), Arizona State University (ASU), and University of Georgia (UGA). Findings from the AR5 retro-analyses will evaluate and recommend societal options (i.e., supply augmentation vs. demand reduction) for promoting future (2015-2034) freshwater sustainability across the Sunbelt. Cross-regional synthesis of policies and media sources for the targeted basins will identify de-centralized adaptive strategies that have been employed independently and collectively to maintain flows, increase supplies, or reduce demands. Utilizing the near-term hydroclimatic projections, PIs will quantify how current policies on reservoir operations and groundwater extraction could impact the reliability of future water supplies for cities and also alter the key attributes of hydrographs that are critical for maintaining freshwater biodiversity. In doing so, the project will also investigate the degree to which regions have pursued "hard path" (i.e., supply augmentation) vs. "soft path" (i.e., demand reduction) strategies by explicitly modeling potential societal interventions for freshwater sustainability. The educational goal of the project is to conduct an online distributed seminar in which Honors, MS and PhD students from three Universities with interdisciplinary backgrounds will produce a policy-oriented white paper based on the key findings. Based on the white paper, the project team will distribute a suite of podcasts on freshwater sustainability and climate change to middle and high school science programs from the targeted basin states as well as to key water policy institutions across the region. Podcasts, developed data, tools and publications will also be disseminated through the main project portal at NCSU, and additionally through the National Climate Assessment and ASU's Central Arizona - Phoenix LTER websites.
1204368/1204396/1204478 Sankarasubraman Arumugam/约翰·科米诺斯基/约翰·萨布斯北卡罗来纳州立大学/佐治亚大学研究基金会公司/亚利桑那州立大学美国阳光地带的水资源可获得性各不相同,东西向急剧过渡,西经105度。与东部年平均径流大于40厘米的潮湿地区相比,105度子午线以西的干旱地区产生的径流较少。因此,西部的水库是跨年的系统,可以容纳多年的流入,而东部的水库是年内的存储系统,需要在立春时补充系统。因此,水政策也与西部各州寻求(“优先分配”)和东部各州(“河岸权”)分配有很大不同。这些不同的战略也影响了淡水生物多样性,与东部相比,西部的非本地鱼类与本地鱼类的比例几乎高出6倍。尽管存在这些跨区域差异,但这两个区域都面临两个共同的压力:(A)全球气候变化引起的可用淡水的不确定性;(B)人口增长和消费导致的人类需求增加。因此,在规划范围内(10-30年),越来越有必要对这两种压力下的淡水可持续性进行综合评估。这项研究的主要目的是了解和量化近期气候变化和人口增长对淡水可持续性的潜在影响--这里的定义是整合每日到年度的流量,以最大限度地减少人类脆弱性和最大化对淡水的生态系统需求(包括本地生物多样性)--明确纳入人类环境系统对跨越亚利桑那州到北卡罗来纳州的各种目标流域的水供需的反馈。使用涉及AR5多模式气候变化后预测的回顾分析,我们将重新审视过去50年来整个阳光地带如何更好地实现淡水的可持续性。为了将水文气候和水生态系统动力学与淡水基础设施系统的管理结合起来,基于主体的两级建模框架将显式地模拟政策和消费者之间的适应行为和反馈。这一跨学科项目将涉及三所大学之间的合作:北卡罗来纳州立大学(NCSU)、亚利桑那州立大学(ASU)和佐治亚大学(UGA)。AR5回顾分析的结果将评估和建议促进未来(2015-2034年)整个阳光地带淡水可持续发展的社会选择(即,增加供应与减少需求)。针对目标流域的政策和媒体来源的跨区域综合将确定分散的适应性战略,这些战略已被单独和集体采用,以维持流量、增加供应或减少需求。利用近期水文气候预测,绩效指标将量化当前有关水库运行和地下水开采的政策如何影响未来城市供水的可靠性,并改变对维持淡水生物多样性至关重要的水文关键属性。在此过程中,该项目还将通过明确模拟淡水可持续性的潜在社会干预措施,调查各地区在多大程度上奉行“硬途径”(即增加供应)与“软途径”(即减少需求)的战略。该项目的教育目标是举办一个在线分布式研讨会,来自三所大学的具有跨学科背景的荣誉、硕士和博士生将根据主要发现编写一份面向政策的白皮书。在白皮书的基础上,项目团队将向目标流域州的初中和高中科学项目以及该地区的关键水政策机构分发一套关于淡水可持续发展和气候变化的播客。播客、开发的数据、工具和出版物还将通过NCSU的主要项目门户网站以及国家气候评估和亚利桑那州立大学的中部亚利桑那州-凤凰城LTER网站传播。

项目成果

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John Kominoski其他文献

John Kominoski的其他文献

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{{ truncateString('John Kominoski', 18)}}的其他基金

Collaborative Research: Scales and drivers of variability in dissolved organic carbon across diverse urban watersheds
合作研究:不同城市流域溶解有机碳变异的规模和驱动因素
  • 批准号:
    2015632
  • 财政年份:
    2021
  • 资助金额:
    $ 11.11万
  • 项目类别:
    Standard Grant
LTER: Coastal Oligotrophic Ecosystem Research
LTER:沿海寡营养生态系统研究
  • 批准号:
    2025954
  • 财政年份:
    2021
  • 资助金额:
    $ 11.11万
  • 项目类别:
    Continuing Grant
RAPID Collaborative Research: Do mangroves provide better coastal protection than salt marshes? A Hurricane Harvey case study from Port Aransas, Texas, USA
RAPID 合作研究:红树林是否比盐沼提供更好的海岸保护?
  • 批准号:
    1761444
  • 财政年份:
    2017
  • 资助金额:
    $ 11.11万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH:Sea level rise and vegetation regime shifts: implications for soil carbon storage and vulnerability in coastal wetlands
论文研究:海平面上升和植被状况变化:对沿海湿地土壤碳储存和脆弱性的影响
  • 批准号:
    1601524
  • 财政年份:
    2016
  • 资助金额:
    $ 11.11万
  • 项目类别:
    Standard Grant
WSC- Category 3: Collaborative Research: Water Sustainability under Near-term Climate Change : A cross-regional analysis incorporating socio-ecological feedbacks and adaptations
WSC-类别 3:合作研究:近期气候变化下的水可持续性:纳入社会生态反馈和适应的跨区域分析
  • 批准号:
    1204396
  • 财政年份:
    2012
  • 资助金额:
    $ 11.11万
  • 项目类别:
    Continuing Grant

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