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July 12, 2026Canadian Journal of Soil Science

Soil organic carbon response to interannual precipitation and potential evapotranspiration variability

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Authors

PSPreston SorensonSSShayeb ShahariarMLMervin St. Luce

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Overview

Randomized trial investigates soil organic carbon changes in Saskatchewan, indicating climate fluctuations affect SOC dynamics.

Key Points

  • This study investigates how soil organic carbon (SOC) is influenced by precipitation and potential evapotranspiration (PET) in various climate conditions.
  • Analyzed data from the Prairie Soil Carbon Balance project in Saskatchewan, Canada.
  • Assessed changes in SOC as a function of growing season precipitation and PET using generalized additive models.
  • Evaluated SOC change over different soil-climate conditions.
  • SOC change rates decreased with increased total precipitation (exact rates not provided).
  • SOC change rates increased with increased potential evapotranspiration (exact rates not provided).
  • Confirmed fluctuation of SOC in response to short-term climate variation.

Cite This Study

Sorenson et al. (2026) studied this question.

synapsesocial.com/papers/6a5331064f7abc118aded7echttps://doi.org/10.1139/cjss-2025-0114
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