Strategic stream gauging network design for sustainable water management

Lucy Andrews () and Theodore E. Grantham
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Lucy Andrews: University of California, Berkeley
Theodore E. Grantham: University of California, Berkeley

Nature Sustainability, 2024, vol. 7, issue 6, 714-723

Abstract: Abstract Stream gauging stations that monitor the flow of water in rivers and streams provide critical information to water managers, but biases and gaps in gauge placement, compounded by gauge deactivations, limit our ability to track river flows and address global water challenges. Here we introduce an approach for identifying gauging sites to efficiently fill gaps in monitoring coverage within river networks while also addressing water management priorities, including reservoir operations, biodiversity conservation and hydroclimatic monitoring. Applying this approach to gauges in California, United States, we found substantial gaps in the stream monitoring network. Hypothetically reconfiguring gauges to locations that maximize coverage and representation of management objectives highlights the current network’s biases. Through the strategic reactivation and placement of additional gauges, we demonstrate how stream gauging networks can be designed to support sustainable water management.

Date: 2024
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DOI: 10.1038/s41893-024-01357-z

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