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December 4, 2025FACETSOpen Access

Changes in lake sediment carbon accumulation rates in southwestern Canada since the mid-1800s

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KKKaren E. Kohfeld

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Overview

Assessment shows a 14% rise in carbon accumulation rates in lakes, indicating climate and land use factors influence ongoing changes.

Key Points

  • Carbon accumulation rates increased by 14% from 1920 to 2009, highlighting significant changes in southwestern Canadian lakes.
  • The average carbon accumulation rate during 1980–2009 was 42.8 g/m²/year, driven by climate variables and land use.
  • Analysis across multiple lakes revealed that temperature and land use strongly predict carbon accumulation increases.
  • Rising temperatures and land use changes suggest continued enhancements in carbon accumulation under climate change.

Cite This Study

Karen E. Kohfeld (2025) studied this question.

synapsesocial.com/papers/6930e8b6ea1aef094cca3072https://doi.org/10.1139/facets-2025-0006
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