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May 22, 2026Arctic Antarctic and Alpine ResearchOpen Access

Long-term monitoring of talus microclimates portrays crevices as critical thermal refuge for vulnerable alpine species

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Authors

AFAna T. FerreiraLSLisa A. ShipleyASAmanda T. Stahl

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Overview

Long-term monitoring reveals crevices provide critical thermal refuge for alpine species, suggesting ecological importance.

Key Points

  • This research aims to understand the thermal benefits of crevices in talus habitats for alpine species over a ten-year period.
  • Studied twelve talus patches in North Cascades National Park from 2015 to 2024.
  • Measured crevice and surface temperatures, rock characteristics, vegetation, and solar radiation using handheld photogrammetry.
  • Analyzed seasonal, annual, and diurnal temperature patterns with respect to various environmental factors.
  • Summer surface temperatures increased by an average of 0.37°C/year, while winter surface temperatures remained stable.
  • Crevices maintained temperatures 5°C cooler than surface temperatures in summer and 0.45°C warmer in winter.
  • Thermal conditions were influenced by factors like solar radiation and rock characteristics, emphasizing the need for detailed rock measurements.

Cite This Study

Ferreira et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff2a8d674f7c03778b249https://doi.org/10.1080/15230430.2026.2661117
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Also Consider

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  5. 5Rock Face Temperature Variability From Long‐Term High‐Frequency Infrared Thermography2026 · 1 citations