Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Johnson, Zachary C.; Briggs, Martin A.; Snyder, Craig D.; Johnson, Brittany G.; Hitt, Nathaniel P.

doi:10.1016/j.jhydrol.2024.131391

Journal of Hydrology

2024

DOI: 10.1016/j.jhydrol.2024.131391

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Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Zachary C. Johnson,

Martin A. Briggs,

Craig D. Snyder

et al.

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2024

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Cited by 2 publications

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Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Johnson,

Briggs,

Snyder

et al. 2024

Journal of Hydrology

View full text Add to dashboard Cite

Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Johnson,

Briggs,

Snyder

et al. 2024

Journal of Hydrology

View full text Add to dashboard Cite

Declines in Brook Trout Abundance Linked to Atmospheric Warming in Maryland, USA

Hitt,

Rogers,

Kelly

2024

Hydrobiology

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Salmonid fishes provide an important indicator of climate change given their reliance on cold water. We evaluated temporal changes in the density of stream-dwelling brook trout (Salvelinus fontinalis) from surveys conducted over a 36-year period (1988–2023) by the Maryland Department of Natural Resources in Eastern North America. Nonparametric trend analyses revealed decreasing densities of adult fish (age 1+) in 19 sites (27%) and increases in 5 sites (7%). In contrast, juvenile fish (age 0) densities decreased in 4 sites (6%) and increased in 10 sites (14%). Declining adult brook trout trends were related to atmospheric warming rates during the study period, and this relationship was stronger than the effects of land use change or non-native brown trout. In contrast, juvenile fish trends generally increased with elevation but were not related to air temperature trends or land use change. Our analysis reveals significant changes in several brook trout populations over recent decades and implicates warming atmospheric conditions in population declines. Our findings also suggest the importance of temperature for adult survival rather than recruitment limitation in brook trout population dynamics.

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Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Cited by 2 publications

References 80 publications

Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Taking heat (downstream): Simulating groundwater and thermal equilibrium controls on annual paired air–water temperature signal transport in headwater streams

Declines in Brook Trout Abundance Linked to Atmospheric Warming in Maryland, USA

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