Positive Effects Of Natural Contact

With the continuous advancement of urbanization,the living environment of the public has gradually changed from the former fields to the urban buildings and streets,which has resulted in many "urban diseases".In order to alleviate this contradiction,people pay attention to the positive effects of nature again.Urban park is the most convenient and effective way for urban residents to contact with nature,so this study intends to explore the positive effects of natural environment contact through the text mining and comparative analysis of park contact text and block contact text.Firstly,text acquisition and text preprocessing were carried out: in this study,53252 pieces of microblog short texts were selected according to the keywords "park" and "block",in which the park text 29531 and block text 23721 were selected.According to the developed screening criteria,the text was screened for the first time,and 4927 park text and 1532 block text were obtained after the screening.In order to balance the number of park text and block text,the text was screened for the second time by random selection,and 1200 park text and 1200 block text were obtained after the screening.The filtered text is preprocessed in the way of word segmentation,synonym substitution and coding,and the preprocessed text is saved as a case.Then,semantic network analysis technology and emotion analysis technology are used to analyze park contact text cases and block contact text cases respectively,and text mining analysis is carried out to generate semantic network analysis images and emotion visualization tables.Park text analysis it is found that the nature of the high frequency vocabulary through inducing park of text topic words can be summed up five core theme-"psychological cognitive,emotional theme" behavior "theme" "character-social theme" theme "season" "subject" natural things,park contact text positive emotions(59.33%)than outweigh the negative sentiment(8.75%);Of blocks of text analysis it is found that the nature of the high frequency vocabulary through inducing park of text topic words can be summed up six core theme-"psychological cognitive,emotional theme" theme "activities" "characters" work "theme" natural elements "theme" of natural elements "theme",The proportion of positive emotions in block text contact(56.17%)is much higher than that in negative emotions(22.58%),but the proportion of negative emotions in block text(22.58%)is much higher than that in park text(8.75%).Text and by comparing the park blocks of text mining results,this study confirmed that the urban park as one of the positive effects brought by the natural environment,in particular has:(1)compared with the urban block environment,the urban park environment is a better restorative environment.It is rich in natural elements that can keep people away from the hustle and bustle of the city,so that urban residents can relax themselves and have better healing effects.(2)urban park environment can bring people more positive cognitive experience,and people can better perceive the change of seasons in the park environment;It can also bring people more positive emotional experience,less negative emotional experience;(3)city parks attract people to play and other more open activities;The neighborhood environment attracts people to explore inner thinking activities such as random thoughts.(4)the urban park environment enhances the social contact and social communication between individuals.And the block environment promotes the individual to integrate his previous cognitive experience and thus produce new perception and experience...