Heat health risk assessment in Philippine cities using remotely sensed data and social-ecological indicators

Ronald C. Estoque (), Makoto Ooba, Xerxes T. Seposo, Takuya Togawa, Yasuaki Hijioka, Kiyoshi Takahashi and Shogo Nakamura
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Ronald C. Estoque: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City
Makoto Ooba: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City
Xerxes T. Seposo: Nagasaki University, 1-12-4 Sakamoto, Nagasaki City
Takuya Togawa: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City
Yasuaki Hijioka: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City
Kiyoshi Takahashi: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City
Shogo Nakamura: National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba City

Nature Communications, 2020, vol. 11, issue 1, 1-12

Abstract: Abstract More than half of the world’s population currently live in urban areas and are particularly at risk from the combined effects of the urban heat island phenomenon and heat increases due to climate change. Here, by using remotely sensed surface temperature data and social-ecological indicators, focusing on the hot dry season, and applying the risk framework of the Intergovernmental Panel on Climate Change, we assessed the current heat health risk in 139 Philippine cities, which account for about 40% of the country’s total population. The cities at high or very high risk are found in Metro Manila, where levels of heat hazard and exposure are high. The most vulnerable cities are, however, found mainly outside the national capital region, where sensitivity is higher and capacity to cope and adapt is lower. Cities with high levels of heat vulnerability and exposure must be prioritized for adaptation. Our results will contribute to risk profiling in the Philippines and to the understanding of city-level heat health risks in developing regions of the Asia-Pacific.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-15218-8

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DOI: 10.1038/s41467-020-15218-8

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