| The urban heat island effect is caused by the construction of a large number of high-accumulation buildings such as buildings,roads and the reduction of green space.Similarly,the composition factors in the modern agricultural park will affect the climate and environment within the park.There are no detailed laws and regulations for the planning and construction of the park,which results in the construction of the park at random.The impact of its constituent factors on the park environment is not yet clear,and it will affect the comfort of the people visiting the park.Therefore,this paper quantifies the microclimate indicators in the park,discusses the influence of the constituent factors of the park on the thermal environment and thermal comfort,and understands their relevance,so as to provide reasonable suggestions for the planning and construction of the agricultural park.Therefore,taking the Yangling Innovation Park in the agricultural park as an example,this paper discusses the issues related to the compositional factors and microclimates in the park after the completion of this new type of agricultural park.It focuses on the five components: green space,water area,and hard paving.,facilities and agricultural farmland were selected,selected sunny and windless summer,fixed-point(41 measuring points)to measure the micro-climate parameters,such as air temperature,relative humidity and wind speed,and then establish and use geographic information system(GIS)according to the survey data.Analyze the distribution of constituent factors,explore the impact of constituent factors on microclimate and the evaluation of thermal comfort in parks,and use numerical tables,overlay analysis,and statistical analysis to extract the effects of composition factor ratio and microclimate in the environment of real agricultural parks.Through the derivation and analysis of the above-mentioned process,this paper draws experimental results.(1)The temperature of farmland is generally 2-3°C higher than the average temperature of the park;the temperature around the center building is about 3°C higher than the average temperature of the park;The measuring point temperature is generally the highest;the temperature of the waterside is about 5°C lower than the high temperature measuring point of the park;on the measuring point of the green plant,the temperature is generally low,but some measuring points are located around the building facilities.The measurement will be affected by other factors around,resulting in a large change in temperature.(2)There are correlations between constituent factors and microclimateconstituents,but the degree of correlation is different.The correlation between the five park composition factors and the temperature of the temperature is: facility>farmland>water area>hard paving>green space,where hard paving,facilities,and green space are positively correlated with temperature,while water areas are negatively correlated with agricultural land;and humidity For the correlation,the positive correlation between green space and humidity is the most obvious,and the negative correlation between facilities and humidity is significant.Among the five components,the positive correlation between agricultural land and wind speed is the most obvious,while the water area and the wind speed are negative.Related trends.In terms of thermal comfort,most measurement points in the park are within a very hot evaluation scale,and only two measurement points are on a relatively comfortable scale.Analyze the environmental factors around the measuring point,and propose that,in addition to using water-permeable surfaces as much as possible on the trails in the planning and design of the park,create wind corridors and introduce cold air into the lake to increase the comfort of the human body and attract users and extensions.Use time;pay attention to plant planting collocations to lower the park temperature,and improve the wind environment and other park planning suggestions. |
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