Utilizing Forest Trees for Mitigation of Low-Frequency Ground Vibration Induced by Railway Operation by Zeyu Zhang, Xiaohui Zhang, Zhiyao Tian, Chao He

“…This study proposes a three-dimensional semi-analytical method developed for evaluating the dynamic responses of the coupled track–ground–tree system. …”
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Superellipse Equation Describing the Geometries of <i>Abies alba</i> Tree Rings by Weiwei Huang, Kehang Ma, Jiaxin Tan, Meixiang Wei, Yunjie Lu

“…Where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>r</mi></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>φ</mi></mrow></semantics></math></inline-formula> are the polar radius and polar angle, respectively. <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>k</mi><mo>=</mo><mi>β</mi><mo>/</mo><mi>a</mi></mrow></semantics></math></inline-formula>, where <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>a</mi></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>β</mi></mrow></semantics></math></inline-formula> are the major and minor semi-axes of the superellipse. …”
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Végétation des espaces boisés et paysage urbain by Francesca Di Pietro, Lotfi Mehdi

“…This article presents research conducted on the vegetation associated with trees in urban wooded areas, and its relationship to the landscape in a medium-sized city: the agglomeration of Tours. …”
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