Why is arid zone hydrology a scientific desert - and how does the hydrological community move forward?

IF 4.8 2区 环境科学与生态学 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Howard Wheater
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引用次数: 0

Abstract

While the world's hot arid climates are, by definition, water stressed, many of these regions face existential challenges as population growth, economic development and climate change exacerbate both the natural water scarcity and the risks from extreme flood events. A strong science base and effective modelling tools are needed for effective water management but hydrological processes in these regions remain poorly understood and quantified. This personal reflection aims to answer the key questions: What are the challenges for hydrological science in hot desert zones, why have they arisen, and how should the hydrological community move forward to address them?
There remains a critical need for: a) high quality observational basins across the arid regions to provide consistent long-term data and a platform for detailed experimental work to elucidate critical processes, b) improved quantification of spatial rainfall, infiltration into desert soils and groundwater recharge from ephemeral flows, c) integrated assessment of stream-aquifer interactions, and d) modelling tools that recognize uncertainty in process representation and parameterization. We note the potential for remote sensing to provide new insights, particularly in data-scarce areas, and stress the importance of traditional knowledge and stakeholder engagement in water management for these highly stressed regions.
为什么干旱区水文学是科学上的沙漠?水文界如何向前发展?
虽然从定义上说,世界上炎热干旱的气候是水资源紧张的,但随着人口增长、经济发展和气候变化加剧了自然水资源短缺和极端洪水事件的风险,这些地区中的许多地区面临着生存挑战。有效的水管理需要强大的科学基础和有效的建模工具,但这些地区的水文过程仍然缺乏了解和量化。这一个人反思旨在回答关键问题:炎热沙漠地区水文科学面临的挑战是什么,为什么会出现这些挑战,水文界应该如何向前推进以解决这些挑战?目前仍然迫切需要:a)跨越干旱地区的高质量观测盆地,提供一致的长期数据和详细实验工作平台,以阐明关键过程;b)改进空间降雨、沙漠土壤入渗和短暂流动地下水补给的量化;c)河流-含水层相互作用的综合评估;d)识别过程表示和参数化不确定性的建模工具。我们注意到遥感具有提供新见解的潜力,特别是在数据匮乏的地区,并强调传统知识和利益攸关方参与这些高度紧张地区水资源管理的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Environmental Modelling & Software
Environmental Modelling & Software 工程技术-工程:环境
CiteScore
9.30
自引率
8.20%
发文量
241
审稿时长
60 days
期刊介绍: Environmental Modelling & Software publishes contributions, in the form of research articles, reviews and short communications, on recent advances in environmental modelling and/or software. The aim is to improve our capacity to represent, understand, predict or manage the behaviour of environmental systems at all practical scales, and to communicate those improvements to a wide scientific and professional audience.
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