Designing urban forest to attenuate the temperature rising in the capital city of Cameroon
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The harmful climate change observed worldwide is already affecting the local and everyday weather in Cameroon. The ambient temperature of Cameroon’s main cities is particularly and irreversibly increasing year after year. The aim of this paper is to investigate the necessity as well as the conception of urban forests to mitigate or attenuate this phenomenon of urban heat island (UHI) experienced by Yaounde’s citizens. In order to contribute to make Yaounde a green and sustainable city, and reinforce the resilience of its citizens to the increasing phenomenon of UHI, geographic information system (GIS), remote sensing and geostatistical analysis are combined in this investigation to carry out the 2000–2024’s timeseries analysis of some parameters such as land surface temperature (LST), urbanization rate, normalized difference vegetation index (NDVI) and thermal comfort through the urban thermal field variance index (UTFVI). All those parameters are calculated and derived from Landsat (7 ETM+, 8 and 9 OLI/TIRS) and ALOS PALSAR 2. The extent of the UTFVI degradation and the spatial distribution of its pattern will help design and implement urban forests as a sustainable solution.
