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Rapid Advances in Mobile Mass Spectrometry Enhance Tracer Hydrology and Water Management

Popp, Andrea L. and Manning, Cara C. M. and Knapp, Julia L. A. (2021) 'Rapid Advances in Mobile Mass Spectrometry Enhance Tracer Hydrology and Water Management.', Water Resources Research, 57 (6). e2021WR029890.


Dissolved gases, including noble gases, are versatile environmental tracers. Historically, the application of dissolved (noble) gases as tracers in hydrology used to be limited because their measurement required expensive, laboratory-based instrumentation operated by highly trained personnel. Here, we highlight recent advances in mobile mass spectrometry (MS) methods for noble and other dissolved gases, which enable low cost, high-throughput, real-time measurements. We also present applications using mobile MS to quantify hydrological and biogeochemical processes in groundwater and surface waters and to assess hazards and risks to aquatic environments. Finally, we indicate potential future applications of these instruments to enhance hydrological research.

Item Type:Article
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Publisher statement:© 2021. The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Date accepted:20 May 2021
Date deposited:10 June 2021
Date of first online publication:24 May 2021
Date first made open access:10 June 2021

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