Advancing our predictive understanding of river corridor exchange

Advancing our predictive understanding of river corridor exchange
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增进我们对河流廊道交换的预测性理解

DOI:
10.1002/wat2.1327
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发表时间:
2018
期刊:
Wiley Interdisciplinary Reviews: Water
影响因子:
--
通讯作者:
Packman, Aaron I.
Packman, Aaron I.
中科院分区:
--
文献类型:
--
作者:
Ward, Adam S.;Packman, Aaron I.

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尽管经过数十年的研究,我们仍然缺乏一个准确的框架来预测和管理河流走廊的水文交换以及相关的生态系统服务和功能。虽然已经进行了许多单独的研究,以调查具体的机制,他们还没有被合成占空间的异质性,非平稳性,多尺度反馈,典型的河流走廊。因此,相互矛盾的预测交换通量,几何形状和时间尺度是普遍的文献。我们将这些矛盾归因于(a)未能考虑多尺度反馈和(B)常见测量方法信息内容的不确定性。在这里,我们将相互作用的多尺度空间和时间变量域的概念应用于河流走廊,以证明为什么需要更完整的多尺度表征来实现预测性理解。接下来,我们强调测量方法的不确定性和不一致性,这可能会混淆我们对河流廊道交换的理解。最后,我们简要概述了实现对河流廊道交换的预测性理解的四个必要进展:元数据的标准化,信息内容和测量技术支持量的关键评估,多尺度模型数据集成,以及河流廊道交换的先进理论模型。
Despite decades of research, we lack an accurate framework to predict and manage hydrologic exchange in the river corridor and the associated ecosystem services and functions at the scales of stream reaches and entire networks. While many individual studies have been conducted to investigate specific mechanisms, they have not been synthesized to account for heterogeneity in space, nonstationarity, and multiscale feedbacks that typify the river corridor. As a result, contradictory predictions of exchange flux, geometry, and timescale are prevalent in the literature. We attribute these contradictions to (a) failure to account for multiscale feedbacks and (b) uncertainty in the information content of common measurement methods. Here, we apply the concept of interacting multiscale spatial and time‐variable domains to the river corridor to demonstrate why more complete multiscale characterization is necessary to achieve predictive understanding. Next, we highlight uncertainties and inconsistencies in measurement methods which may obfuscate our understanding of river corridor exchange. Finally, we briefly outline four necessary advances to achieve predictive understanding of river corridor exchange: standardization of metadata, critical evaluation of the information content and support volumes for measurement techniques, multiscale model‐data integration, and advancing theoretical models of river corridor exchange.This article is categorized under:Science of Water > Hydrological ProcessesWater and Life > Nature of Freshwater EcosystemsScience of Water > Methods
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