... of the Baotu Spring Park in downtown Jinan, Shandong Province, China. Quiet clear Rayleigh waves have been obtained by the cross-correlation, which indicates that strong human activities, such as moving vehicles and municipal engineering constructions, can produce approximately isotropic distribution of noise...

... Spring Park in downtown Jinan city, China. Clear Rayleigh waves were obtained by cross-correlation of ambient noise recorded at different locations. This indicates that strong human activities, such as moving vehicles and municipal engineering constructions, can produce approximately isotropic...