地下水景观:地下水大规模社会经济、生态和地球系统功能的全球分类和绘图

IF 4.6 1区 地球科学 Q2 ENVIRONMENTAL SCIENCES
Xander Huggins, Tom Gleeson, Karen G. Villholth, Juan C. Rocha, James S. Famiglietti
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引用次数: 0

摘要

地下水是全球水循环的一个动态组成部分,具有重要的社会、经济、生态和地球系统功能。我们提出了一种新的全球地下水系统分类和绘图方法,我们称之为地下水景观,它代表了大规模地下水系统功能的主要配置。我们确定并绘制了 15 个地下水景观,为地下水的概念化、研究、建模和管理提供了新的视角。地下水景观是通过一种新颖的排序自组织地图应用而得出的,该地图可捕捉网格单元级别(∼10 千米)的地下水系统功能模式,包括依赖地下水的生态系统类型和密度、储水能力、灌溉、安全饮用水获取和国家治理。世界上所有大型含水层系统都具有多重地下水景观,这凸显了在全球评估中将这些地下水体视为单一系统的缺陷。我们评估了全球地下水监测网水井在各地下水景观中的分布情况,发现工业农业区受到的监测过多,而一些地下水景观几乎没有监测井。这种差异削弱了了解全球地下水系统各种环境下的系统动态的能力。我们认为,地下水景观为指导模型开发、假设检验和未来数据收集活动提供了概念和空间工具,以更好地了解地下水在全球范围内嵌入社会生态系统的情况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Groundwaterscapes: A Global Classification and Mapping of Groundwater's Large-Scale Socioeconomic, Ecological, and Earth System Functions
Groundwater is a dynamic component of the global water cycle with important social, economic, ecological, and Earth system functions. We present a new global classification and mapping of groundwater systems, which we call groundwaterscapes, that represent predominant configurations of large-scale groundwater system functions. We identify and map 15 groundwaterscapes which offer a new lens to conceptualize, study, model, and manage groundwater. Groundwaterscapes are derived using a novel application of sequenced self-organizing maps that capture patterns in groundwater system functions at the grid cell level (∼10 km), including groundwater-dependent ecosystem type and density, storage capacity, irrigation, safe drinking water access, and national governance. All large aquifer systems of the world are characterized by multiple groundwaterscapes, highlighting the pitfalls of treating these groundwater bodies as lumped systems in global assessments. We evaluate the distribution of Global Groundwater Monitoring Network wells across groundwaterscapes and find that industrial agricultural regions are disproportionately monitored, while several groundwaterscapes have next to no monitoring wells. This disparity undermines the ability to understand system dynamics across the full range of settings that characterize groundwater systems globally. We argue that groundwaterscapes offer a conceptual and spatial tool to guide model development, hypothesis testing, and future data collection initiatives to better understand groundwater's embeddedness within social-ecological systems at the global scale.
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来源期刊
Water Resources Research
Water Resources Research 环境科学-湖沼学
CiteScore
8.80
自引率
13.00%
发文量
599
审稿时长
3.5 months
期刊介绍: Water Resources Research (WRR) is an interdisciplinary journal that focuses on hydrology and water resources. It publishes original research in the natural and social sciences of water. It emphasizes the role of water in the Earth system, including physical, chemical, biological, and ecological processes in water resources research and management, including social, policy, and public health implications. It encompasses observational, experimental, theoretical, analytical, numerical, and data-driven approaches that advance the science of water and its management. Submissions are evaluated for their novelty, accuracy, significance, and broader implications of the findings.
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