Soil Temperature Distribution at Different Depths in the Thracian Peninsula and Trend Analysis (1990-2023)
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DOI:
https://doi.org/10.5281/zenodo.15567467Anahtar Kelimeler:
Trakya Yarımadası, Toprak, Sıcaklık, Trend, AnalizÖzet
This study investigated the monthly and annual variation of long-term average soil temperatures at 5 cm, 10 cm, 20 cm, 50 cm, and 100 cm depths in the Thracian Peninsula and tested trend analyses. To this end, 34 years (1990-2023) of data from 13 meteorological stations were utilized. Mann-Kendall Test, Kendall's Tau, and Sen's Slope tests were used for trend analysis of soil temperatures. Therefore, it was aimed to reveal the effects of global climate change and global warming on soil temperatures at different depths in the Thracian Peninsula. The study revealed that soil temperature changes were similar to the changes in air temperature; soil temperatures were consistently above the annual average air temperature values, and the difference between soil temperature and air temperature varied between 1.1 °C and 3.4 °C. Annual average soil temperatures in the Thracian Peninsula exhibit a “thermal temperature regime” characteristic. In the Thracian Peninsula, monthly average soil temperatures vary with depth, but generally show a significant and positive trend in the 7-month period between September and March. The trend analysis results indicate a statistically significant and positive trend in the annual average soil temperatures of all stations except Kumköy and Sarıyer. These test results are consistent with the significant and positive trend detected in the trend analysis of annual average air temperatures in the Thracian Peninsula. Planning for the impacts of the increasing trend in soil temperatures on agricultural activities and natural systems in the Thracian Peninsula should be done without delay. They can also use soil temperature trends to promote the mitigation of various predicted environmental problems, such as seasonal temperature fluctuations, water scarcity, irrigation demands, and crop rotation.
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Telif Hakkı (c) 2025 International Journal of Social and Humanities Sciences Research (JSHSR)
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