Monitoramento espaço-temporal da degradação ambiental no Parque Estadual do Cocó - Fortaleza/CE : Case study in the city of Fortaleza using satellite imagery

Jack Pastrana Mojica; Pamela Boelter Herrmann; Jader de Oliveira Santos

doi:10.26512/2236-56562025e55573

Authors

Jack Universidade Federal do Rio Grande do Sul https://orcid.org/0009-0003-9539-1381
Pamela Federal University of Rio Grande do Sul https://orcid.org/0009-0003-9539-1381
Jader Universidad Federal do Ceará https://orcid.org/0000-0003-2977-7086

DOI:

https://doi.org/10.26512/2236-56562025e55573

Keywords:

remote sensing, temporal series, environmental analysis, Monitoring

Abstract

The occurrences generated mainly by urban development, salt extraction practices that were developed in the past and fire use practices within the park, represent a constant problem that leads to environmental degradation within the Integral Protection Conservation Unit (UC). Therefore the Cocó State Park (PEC), spatio-temporal monitoring becomes indispensable to ensure environmental protection and management, in this sense the use of remote sensing helps in monitoring and tracking the factors that affect the transformation of the park. This work aims to analyze the behavior of vegetation health in environmental conditions between 2015 and 2021, using monthly composites of the Normalized Difference Vegetation Index (NDVI). The methodology used the Google Earth Engine (GEE) geoprocessing platform to process and manipulate remote sensing data. The results of this study mapped land cover changes based on the interpretation of NDVI time trajectories. It was possible to map the fire that largely affected the vegetation within the PEC in 2021. The trajectories of change made it possible to identify the vegetation with the greatest development, with values of 0.7 to 0.9, and the areas with little development, with values of 0.1 to 0.2. In terms of evaluating the method, the map was thematically accurate, with almost 0.84 % overall correspondence in the categories of change.

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Author Biographies

Jack, Universidade Federal do Rio Grande do Sul

PhD candidate in Remote Sensing at the Federal University of Rio Grande do Sul (UFRGS) and Master in Geography from the Federal University of Ceará (UFC), with a primary focus on the use of geospatial technologies and remote sensors in studies of environmental degradation and Amazon conservation. My expertise includes the implementation of machine learning models and data science for environmental monitoring, with an emphasis on innovative strategies that combine spatial analysis and artificial intelligence to promote sustainability and the preservation of critical ecosystems
Pamela, Federal University of Rio Grande do Sul

I hold a Master's degree and am currently a PhD candidate in Remote Sensing at the Federal University of Rio Grande do Sul (UFRGS). I have a specialization in Georeferenced Spatial Information from the University of Vale do Rio dos Sinos (UNISINOS), a Bachelor's degree in Environmental Management from the State University of Rio Grande do Sul (UERGS), and an Environmental Engineering degree from Cruzeiro do Sul University. I work as an Environmental Analyst and have extensive academic and professional experience in geoprocessing and remote sensing, UAV applications, environmental monitoring and licensing, environmental modeling, machine learning, and spatial analysis.
Jader, Universidad Federal do Ceará

Associate Professor in the Department of Geography at the Federal University of Ceará, where he is Vice-Coordinator of the Graduate Program in Geography and a professor in the Master's Program in Development and Environment (UFC). He holds a PhD in Geography (Physical Geography) from the University of São Paulo (USP), a Master's in Geography from UECE, and a Bachelor's degree from UFC. He was a senior visiting professor at the University of Cape Verde - UNICV through the Pró-Mobilidade Internacional CAPES/AULP Program, where he served as a collaborative professor in the Master's Program in Environment and Development at UNICV. He is a member of the Household Water Insecurity (HWISE) Research Coordination Network (RCN), conducting research on household water insecurity and access to water. He is part of the Fortaleza core of the Metropolitan Observatory, promoting research related to urban environmental fragility and socio-environmental risks. He is the official representative of UFC on the State Environmental Council (COEMA). He has experience in analyzing environmental fragility, environmental planning, and land-use management using geoinformation technologies, primarily focusing on integrated environmental analysis, urban environmental fragility, socio-environmental risks, ecological-economic zoning, and geoprocessing in environmental analysis.

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