{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T21:38:42Z","timestamp":1779399522352,"version":"3.53.1"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T00:00:00Z","timestamp":1740096000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T00:00:00Z","timestamp":1740096000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"crossref","award":["51878064"],"award-info":[{"award-number":["51878064"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Sci Rep"],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:p>The determination of thermophysical parameters is crucial in the hydro-thermal coupling calculations of permafrost. Alpine meadows can affect the heat exchange inside and outside the soil due to the well-developed root, which can have an impact on the stability of permafrost. At present, the research on the thermal conductivity of alpine meadows is less, and most of the research focuses on the thermal conductivity of rock and soil. In this paper, according to the distribution and development characteristics of roots in the soil, a theoretical model of thermal conductivity of root-soil in alpine meadow based on thermal resistance is established by using fractal theory. The reliability of the theoretical model was verified by introducing the established solid-phase thermal conductivity model into the geometric mean model. The effects of the ratio of root area to total area(RRATA), tortuosity fractal dimension, and area fractal dimension on thermal conductivity are analyzed. The model constructed in this paper provides a theoretical basis for further research on the physical model of thermal conductivity of meadow porous media.<\/jats:p>","DOI":"10.1038\/s41598-025-91128-3","type":"journal-article","created":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T11:49:55Z","timestamp":1740138595000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Solid phase thermal conductivity model of alpine meadow soils based on fractal theory"],"prefix":"10.1038","volume":"15","author":[{"given":"Wanjun","family":"Huang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuesong","family":"Mao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,2,21]]},"reference":[{"issue":"6","key":"91128_CR1","first-page":"1438","volume":"25","author":"Z QI","year":"2017","unstructured":"QI, Z. et al. Experimental research on factors affecting shear strength of halophyte root-soil composite systems in cold and arid environments. J. Eng. Geol. 25 (6), 1438\u20131448 (2017).","journal-title":"J. Eng. Geol."},{"issue":"6","key":"91128_CR2","first-page":"1147","volume":"28","author":"J Fu","year":"2020","unstructured":"Fu, J. et al. Statistics of mechanical characteristics of five herb roots standing in Henan region of Qinghai Province. J. Eng. Geol. 28 (6), 1147\u20131159 (2020).","journal-title":"J. Eng. Geol."},{"issue":"5","key":"91128_CR3","first-page":"926","volume":"44","author":"H Xu","year":"2022","unstructured":"Xu, H. et al. Effects of root morphology and hierarchical structure on mechanical properties of root-soil composites. J. Geotech. Eng. 44 (5), 926\u2013935 (2022).","journal-title":"J. Geotech. Eng."},{"issue":"2","key":"91128_CR4","first-page":"383","volume":"30","author":"C Yan","year":"2022","unstructured":"Yan, C. et al. Experimental study on the effect of vegetation restoration on the physical and mechanical properties of dump slope soil in alpine coal mine areas. J. Geotech. Eng. 30 (2), 383\u2013393 (2022).","journal-title":"J. Geotech. Eng."},{"issue":"2","key":"91128_CR5","first-page":"652","volume":"39","author":"Q Jia","year":"2011","unstructured":"Jia, Q. & Yang, X. Root fractal dimension and its research progress . Anhui Agric. Sci. 39 (2), 652\u2013653656 (2011).","journal-title":"Anhui Agric. Sci."},{"issue":"1","key":"91128_CR6","first-page":"100","volume":"30","author":"X Liu","year":"2021","unstructured":"Liu, X., Guo, Y., Yao, Y., Liu, L. & Qi, W. Fractal features of Hippophae-rhamnoides roots under different stubble heights and slopes in soft sandstone areas . Ecol. Environ. Sci. 30 (1), 100\u2013107 (2021).","journal-title":"Ecol. Environ. Sci."},{"key":"91128_CR7","unstructured":"Shi, M. & Fan, H. Fractal model of heat conduction in porous media. Therm. Sci. 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This activity is carried out in accordance with relevant laws and regulations to ensure the rational use and protection of plant resources. During the collection process, we will strictly adhere to national environmental protection and biodiversity conservation laws and regulations to prevent any adverse impact on the ecosystem. At the same time, necessary safety measures will be taken to avoid any potential negative effects on human health or animal welfare.We commit to making all collection activities transparent and open to public scrutiny. Should you have any questions or require further information, please do not hesitate to contact us.This statement aims to clarify our rights and obligations to ensure the legality and legitimacy of all relevant activities.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Statement on the permission to collect plant root materials"}}],"article-number":"6352"}}