Abstract
Throughout time and history, urbanization has proven itself to be a significant impact on climate in urban areas. In this study, we investigate urbanization effect on temperature trends in several regions across Vietnam based on statistical relationship between these trends and local population growth as well as the change in the annual mean temperature in the past decade by applying statistical analysis to the results. Population data from 2008-2018 and the temperature data from 1988-2018 were obtained from the Annual Abstracts of Statistics and the Institute of Hydrology and Meteorology Science and Climate Change, respectively. Although most of our findings indicate a very small correlation between temperature rise and local population growth, there were exceptions with reasonable values. The results suggest that urbanization contributes to the change in temperature trend of different regions. The type of region (based on its population) also determines if the change in temperature is positively or negatively correlated with the population growth. Furthermore, by using ArcMap, we also constructed several surface temperature maps in the past few decades in order to gain further insights into how temperature changed with time.
Highlights
The importance of urbanization to the continuous development of a country had long been acknowledged [1], [2]
The results indicate that we could safely consider population growth to be an estimation of the urbanization effect
We examined the urbanization effect on recent changes in temperature over many regions in Vietnam by assuming that urbanization is proportional to the population growth
Summary
The importance of urbanization to the continuous development of a country had long been acknowledged [1], [2]. Urbanization is a long process which, if handled wrongly, could result in negative changes that greatly affect the life of people and the environment. This is especially true for developing countries that had gone through urbanization in recent times, as they are facing an increasing amount of extreme weather events or altered climate pattern [3], [4]. The few studies that address the correlation, on the other hand, only limit their findings on one or a few specific regions and not cover a wide range of areas across the country [10] These findings might not apply to the entirety of Vietnam itself.
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