Banca de DEFESA: Moíra Paranaguá Nogueira

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : Moíra Paranaguá Nogueira
DATE: 26/09/2023
TIME: 08:30
LOCAL: Sala de Informática do PTARH com Transmissão pela Plataforma MS Teams
TITLE:

APPLICATION OF THE SWAT+ MODEL IN THE ANALYSIS OF RIPARIAN INTEGRITY IN THE CAPÃO COMPRIDO STREAM WATER BASIN (DF).

KEY WORDS:

SWAT+, Hydrological Modeling, Riparian Zones, Permanent Preservation Area (APP).

PAGES: 109
BIG AREA: Engenharias
AREA: Engenharia Sanitária
SUBÁREA: Recursos Hídricos
SUMMARY:

Riparian zones are areas adjacent to waterbodies and provide various environmental services, such as maintaining water quality and reducing surface runoff. In the Brazilian Forest Code, these areas are considered Permanent Preservation Areas (APPs). However, the inappropriate use of these spaces, with conversion for urban expansion and agricultural frontiers, has compromised their ecological integrity. Given the importance of these areas, the objective of this study was to analyze the influence of the integrity of the riparian zone of the Capão Comprido Stream Basin, in the Federal District, based on hydrosedimentological modeling, using the SWAT+ model and its new configurations. Initially, the model was calibrated and verified for flow and sediment discharge, with processing using QSWAT, SWAT Editor and SWAT Toolbox software. However, there were difficulties in calibrating and verifying the model using the SWAT Tollbox software. A simulation was carried out with the delimitation of landscape units (LSUs), to evaluate the impact of this new form of spatialization available in SWAT+ on the components of the water balance, flow and production of sediment and nutrient loads. The analysis of the influence of riparian zones on the referred items was carried out with simulations of five scenarios with different widths of the riverside zones. The scenarios were based on arts. 4th and 61-A of the Brazilian Forest Code. From the analysis of these aspects, it was supported that the hydrological modeling of river basins with the determination of landscape units, available in SWAT+, has the potential to improve the representation of river basins, by differentiating the characteristics of the hillslopes (uplands) from the riparian zone (floodplains), which allows more accurate simulations related to the physiography of the hydrographic units. These appreciated riverside areas are relevant for the conservation of water resources. As expected, the simulations confirmed that the increase in these areas contributed to the reduction in flow, surface runoff and the load of sediment and nutrients in the hydrographic basin. On the other hand, it contributed to the increase in subsurface runoff, percolation, return flow and deep aquifer recharge.

COMMITTEE MEMBERS:
Interno - 1809020 - DIRCEU SILVEIRA REIS JUNIOR
Externo à Instituição - JULIAN CARDOSO ELEUTERIO - UFMG
Presidente - 2189333 - RICARDO TEZINI MINOTI
Interno - 404772 - SERGIO KOIDE