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The Hidden Impact of Snow Algae on Snowmelt

1/22/2025

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Our latest study explores the role of subsurface snow algae in reducing snow reflectance (albedo), even when buried under a snow layer. Using a field-based proof-of-concept experiment, we demonstrated that subsurface snow algae absorb significant energy across various wavelengths, challenging previous assumptions that focused only on visible blooms. These findings suggest that the contribution of snow algae to cryosphere melt may be underestimated, with implications for predicting snowmelt and managing water resources. By shedding light on the energy-absorbing capacity of subsurface algae, this research emphasizes the need for further exploration of their ecological and hydrological impacts.
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Nuestro último estudio explora el papel de las algas de nieve subsuperficiales en la reducción de la reflectancia de la nieve (albedo), incluso cuando están cubiertas por una capa de nieve. Utilizando un experimento de campo tipo prueba de concepto, demostramos que estas algas absorben una cantidad significativa de energía en diferentes longitudes de onda, desafiando las suposiciones previas que solo consideraban los blooms visibles. Los resultados destacan la importancia, hasta ahora subestimada, de las algas de nieve en el derretimiento de la criosfera, con implicaciones clave para la predicción del deshielo y la gestión de los recursos hídricos. Este trabajo resalta la necesidad de profundizar en el estudio de los impactos ecológicos e hidrológicos de estas algas.

​Learn more in the full article 

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    Hi there! I’m Pablo Almela, a Postdoctoral Associate in PMB at the University of Minnesota, where I work with Dr. Trinity Hamilton to explore the role of alpine snow algae in the carbon and water cycles.
    Here you’ll find updates on our latest findings about snow algae, as well as news and highlights from other studies that are shaping our understanding of these unique environments. Thanks for stopping by—feel free to explore, and don’t hesitate to reach out if you have questions or ideas to share!

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