Exploitation of ESA and NASA Heritage Remote Sensing Data for Monitoring the Heat Island Evolution in Chennai with the Google Earth Engine

Francesca Cecinati, Donato Amitrano, Lemia Benevides Leoncio, Elvis Walugendo, Raffaella Guida, Pasquale Iervolino, Sukumar Natarajan

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

3 Citations (SciVal)

Abstract

The Urban Heat Island (UHI) effect is defined as an increase of the air and surface temperature inside a city compared to surrounding rural areas. This increment can be of several degrees, thus exposing populations to serious health risks, especially in hot developing countries, where the majority of the world's megacities are located. The UHI effect has been widely studied in the past with local methods employing field sensors. The use of satellites moved the analysis from local to city scale, but long-term investigations have been so far limited by storage and computational capacities. In this work, both ESA and NASA heritage data are used to study temporal evolution of the UHI of the city of Chennai, India over a 14-year period. The Google Earth Engine is exploited to process the available large dataset in a reasonable time. Results show that the UHI of Chennai has grown of 450% over time and that its main drivers are average temperature and city expansion.

Original languageEnglish
Title of host publicationIGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium
PublisherIEEE
Pages6328-6331
Number of pages4
ISBN (Electronic)9781538691540
DOIs
Publication statusE-pub ahead of print - 14 Nov 2019
Event39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Yokohama, Japan
Duration: 28 Jul 20192 Aug 2019

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)

Conference

Conference39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019
Country/TerritoryJapan
CityYokohama
Period28/07/192/08/19

Keywords

  • Google Earth Engine
  • Heritage data
  • MODIS
  • Urban Heat Island

ASJC Scopus subject areas

  • Computer Science Applications
  • General Earth and Planetary Sciences

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