Characteristics of urban heat island distribution in Guangxi Beibu Gulf Economic Zone based on MOD11A2

Yong-feng Wang; Juan-li Jing

doi:10.1117/12.2207670

9 December 2015 Characteristics of urban heat island distribution in Guangxi Beibu Gulf Economic Zone based on MOD11A2

Yong-feng Wang, Juan-li Jing

Proceedings Volume 9808, International Conference on Intelligent Earth Observing and Applications 2015; 980814 (2015) https://doi.org/10.1117/12.2207670
Event: International Conference on Intelligent Earth Observing and Applications, 2015, Guilin, China

Abstract

The diurnal variation and inter-annual variation of urban heat island in Beibu Gulf Economic Zone were quantitatively analyzed, based on 2005-2014 MOD11A2 land surface temperature dataset, by the method of land surface temperature departure. Furthermore, the relationship between vegetation NDVI and urban heat island intensity were studied. Results showed: (1) Spatial distribution and extent of urban heat island in Beibu Gulf Economic Zone had a certain difference between daytime and nighttime in summer, the temperature departure decrease with distance from the city center increasing, and the decreasing trend of daytime was significant compared with nighttime. The temperature difference was about 4 to °C between the city and suburb in the daytime, and was about 2-6°C at night (2) The inter-annual variation intensity of urban heat island was not obvious in summer daytime during 2005-2014, while the difference of spatial distribution was significant. The urban heat island intensity increased in Nanning city during 2005-2011, and slowed in 2014. The heat island variation intensity was not obvious in Beihai city before 2011, but increased significantly in 2014. (3) The correlation coefficient between NDVI and land surface temperature in summer is -0.29, which showed high vegetation coverage plays an important role in reducing the urban heat island.

Citation Download Citation

Yong-feng Wang and Juan-li Jing "Characteristics of urban heat island distribution in Guangxi Beibu Gulf Economic Zone based on MOD11A2", Proc. SPIE 9808, International Conference on Intelligent Earth Observing and Applications 2015, 980814 (9 December 2015); https://doi.org/10.1117/12.2207670

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available