| Grant number: | 20/09991-3 |
| Support Opportunities: | Scholarships in Brazil - Doctorate (Direct) |
| Start date: | April 01, 2021 |
| End date: | March 31, 2025 |
| Field of knowledge: | Physical Sciences and Mathematics - Geosciences - Geology |
| Principal Investigator: | Ricardo César Aoki Hirata |
| Grantee: | Carlos Henrique Gil Marques |
| Host Institution: | Instituto de Geociências (IGC). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Associated research grant: | 15/03806-1 - Water availability and quality threats in a Guarani Aquifer System outcrop zone, AP.BIOEN.TEM |
| Associated scholarship(s): | 23/05462-4 - Management of urban aquifer contamination by diffuse and multipoint sources, BE.EP.DD |
Abstract Extensive contamination in urban aquifers from dispersed and multi-point sources (MP/D) has proved to be a difficult problem to solve, which requires a high cost for its characterization and where traditional treatment alternatives exhibit little efficiency and reduced applicability. This problem affects several cities located in the Bauru Aquifer System (BAS), the primary groundwater source for the state of São Paulo, but one of the most vulnerable to anthropic contamination. Thus, this work aims to establish a new protocol that characterizes and classifies urban areas concerning their contamination hazard by MP/D sources, and from this classification proposing specific management tools considering the size and history of territorial occupation. The method consists of calibrating numerical models (MODFLOW) and offering contamination scenarios simulated by transport models (MT3DMS) to understand the behavior of contaminants from MP/D sources. Two different scale problem will be focused on the project: small city (Urânia, candidate's study area in his master's degree) and two medium-sized urbanizations (between Marília, Bauru, Presidente Prudente, and São José do Rio Preto). Aquifer remediation solutions will be introduced using Nature-Based (NbS), Engineering, and Management (NE&M) techniques. Conditions expected by global climate change will also be introduced. Therefore, new management tools will be constructed to protect the urban groundwater resource and reduce the inherent contaminating load in a more modern and appropriate way to the Brazilian reality. (AU) | |
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