Abstract
The spatial distribution of tourism has a profound impact on its operational efficiency and geographical relevance. Point of interest (POI), as a kind of spatial data shared by subject and object, can reflect the spatial distribution form and function of tourism geographical objects under the all-for-one tourism policy. Continuous satellite observation and in-depth study of night lights pave the way to clarify human activities and socio-economic dynamics. The purpose of this paper is to investigate the seasonal changes of night light images and their correlation with tourism in 122 counties (cities, districts) of Hunan Province. We obtained night earth observation data (seasonality) and POI in 2019 and processed them by Geographic Information System and statistical analysis (ordinary least squares (OLS) and geographically weighted regression (GWR)). The results show that the luminous radiation intensity is highly correlated with the POI of tourism activities. The POI of different tourism activities in different regions shows obvious spatial heterogeneity and seasonal differences, which is the result of the comprehensive effect of tourism resource distribution and social environment in Hunan Province. GWR has proved to be a more effective tool. It provides a new method and perspective for tourism research and especially reveals the geographical spatial differences of tourism activities, which is helpful to study the spatial distribution and seasonality of tourism at the county level. In addition, the spatial evaluation of the contribution of tourism and luminous radiation can provide reference and suggestions for relevant departments to formulate tourism night protection measures.
Highlights
The tourism sector is a true global force for economic growth and development, driving the creation of more and better jobs and serving as catalyst for innovation and entrepreneurship [1]
The geographically weighted regression (GWR) model is a significant improvement of the ordinary least squares (OLS) model, which is more significant in summer than in winter
We investigated the seasonal changes of night satellite image brightness in 2019 and their correlation with the Point of interest (POI) of different tourism industries of 122 counties in Hunan Province
Summary
The tourism sector is a true global force for economic growth and development, driving the creation of more and better jobs and serving as catalyst for innovation and entrepreneurship [1]. All-for-one tourism refers to a new concept and model of regional coordinated development in a certain region, which takes tourism as an advantageous industry, realizes the organic integration of regional resources, industrial integration and development, and social co-construction and sharing, and uses tourism to drive and promote the coordinated development of economy and society [2]. It includes all elements, industries, processes, directions, time and space, society, doors, and tourists [3]. The policy proposes to deeply integrate the elements of all-for-one tourism resources, strive to optimize the layout of tourism space, and make every effort to build a whole region tourism base and a strong tourism province [6]
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