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Hao

                are becoming more vulnerable to heat stress, potentially   documented intensification and expansion of the SUHI
                impacting  agricultural  productivity  and the well-  necessitate proactive measures to mitigate its adverse
                being of suburban populations.  Mitigation  strategies   effects on human health, energy consumption, and urban
                are  therefore  imperative,  including  the  promotion  of   livability.  Strategies  must  prioritize  the  preservation
                “cool  materials” (high-albedo roofs and pavements),   and enhancement of green infrastructure, the adoption
                enhancement of the urban tree canopy, and the design   of cool construction materials, and the implementation
                of shaded public spaces (Table 5). 34               of sustainable urban design principles to foster a more
                                                                    resilient and comfortable urban environment in HCMC.
                4.5. Limitations and future research
                While  this study provides valuable  insights, certain   Acknowledgments
                limitations should be acknowledged. The use of Landsat
                imagery, while offering a good balance of spatial and   The  author  expresses  gratitude  to  the  University  of
                temporal resolution, is susceptible to cloud cover, which   Science,  Viet  Nam  National  University-  HCMC, for
                can limit data availability in tropical regions. The LST   their support.
                retrieval  algorithms, though widely accepted,  involve
                certain  assumptions that  may introduce  uncertainties.   Funding
                Furthermore, the spatial resolution of the thermal bands,
                though resampled to 30  m, is natively coarser and   This research was funded by the University of Science,
                may not capture micro-scale thermal variations within   Viet Nam National  University-HCMC, under grant
                complex urban structures. Critically, this study did not   number T2024-21.
                perform a detailed quantitative LULC change analysis,
                but rather illustrated such changes visually.       Conflict of interest
                  Future  research  could  build  upon  these  findings
                by: (i) Integrating  higher-resolution  thermal  imagery   The author declares no competing interests.
                (e.g.,  Advanced Spaceborne  Thermal  Emission and
                Reflection  Radiometer,  ECOsystem  Spaceborne      Author contributions
                Thermal Radiometer Experiment on Space Station) to
                examine micro-scale SUHI variations; (ii) conducting   This is a single-authored article.
                a  quantitative  LULC  change  analysis  to  model  its
                relationship with LST increases; (iii) incorporating 3D   Availability of data
                urban morphology data to develop more sophisticated
                models; and (iv) assessing the socio-economic impacts   Data can be obtained from the corresponding author
                of SUHI on public health and energy consumption.    upon reasonable request.

                5. Conclusion                                       References

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