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Anticipated Memories and Adaptation from Past Flood Events in Gregório Creek Basin, BrazilFialho, Hailton César Pimentel; orcid: 0000-0003-0866-2044; email: email@example.com; Abreu, Fernando Girardi; orcid: 0000-0003-0760-7182; email: firstname.lastname@example.org; Sousa, Bruno José de Oliveira; email: email@example.com; Souza, Felipe Augusto Arguello; email: firstname.lastname@example.org; Bhattacharya-Mis, Namrata; orcid: 0000-0003-4967-8325; email: email@example.com; Mendiondo, Eduardo Mario; orcid: 0000-0003-2319-2773; email: firstname.lastname@example.org; Oliveira, Paulo Tarso Sanches de; orcid: 0000-0003-2806-0083; email: email@example.com (MDPI, 2021-12-01)In this research we used walking interviews to investigate the measures used by shopkeepers as protection against floods. The concept of anticipated memory has been used to identify the relationship between their learning from previous events and the adaptive measures they have taken to reduce risk of future flooding in Gregório Creek basin. The area is affected by major flooding issues in the city of São Carlos, southeastern Brazil. Twenty-three (23) downtown merchants shared their experience of the extreme rainfall that occurred on 12 January 2020, characterized by a return period of 103 years. Comparing our findings with November 2015 and March 2018 floods (Interviews 37 and 52 respectively), we noted that due to the enhanced level of threat, people had changed their adaptation strategy by increasing the sum of floodgate height more than 4-fold (870 cm to 3830 cm) between 2015 to 2020. Our results showed that despite frequent flooding, the shopkeepers downtown were reluctant to move away from the area; rather, they preferred to improve their individual protection. The substantial increase in the height of the floodgates represents the population’s feedback in the face of a new level of threat.