Zuleide Ferreira is a teacher at the Federal Institute of Education, Science and Technology of Tocantins. She is also a PhD candidate in Information Management (Geographic Information System) at Nova IMS (Lisbon-PT).
A Comparative Study about Vertical Accuracy of Four Freely Available Digital Elevation Models: A Case Study in the Balsas River Watershed, Brazil Zuleide Alves Ferreira, Pedro Cabral ISPRS International Journal of Geo Information, 2022 Digital elevation models (DEMs) provide important support to research since these data are freely available for almost all areas of the terrestrial surface. Thus, it is important to assess their accuracy for correct applicability regarding the correct use scale. Therefore, this paper aims to assess the vertical accuracy of ALOS PALSAR, GMTED2010, SRTM, and Topodata DEMs according to the Brazilian Cartographic Accuracy Standard through the official high accuracy network data of the Brazilian Geodetic System. This study also seeks to investigate whether the altimetric error is correlated with altitude and slope in the study area. Our results showed that the four assessed DEMs in this study demonstrated satisfactory accuracy to provide mappings in scales up to 1:100,000 because more than 90% of the extracted points presented altimetric errors of less than 25 m when compared with the reference points from the high accuracy network of the Brazilian Geodetic System. Regarding the altimetric error, we could not find a significant correlation with altitude or slope in the study area. In this sense, future DEMs assessments should be based on the investigation of other factors that may influence altimetric error.
Vertical Accuracy Assessment of ALOS PALSAR, GMTED2010, SRTM and Topodata Digital Elevation Models International Conference on Geographical Information Systems Theory Applications and Management Gistam Proceedings, 2021
RECENT SCHOLAR PUBLICATIONS
Insights into landslide susceptibility Z Ferreira, B Almeida, AC Costa, M do Couto Fernandes, P Cabral 2025
Insights into landslide susceptibility: a comparative evaluation of multi-criteria analysis and machine learning techniques Z Ferreira, B Almeida, AC Costa, M do Couto Fernandes, P Cabral Geomatics, Natural Hazards and Risk 16 (1), 2471019 , 2025 2025 Citations: 31
Predicting Landslides Through Machine Learning Techniques: A Systematic Literature Review Z Ferreira, P Cabral Anais do VI Congresso da Sociedade de Análise de Risco Latino Americana … , 2025 2025
Analysing the spatial context of the altimetric error pattern of a digital elevation model using multiscale geographically weighted regression Z Ferreira, AC Costa, P Cabral European Journal of Remote Sensing 56 (1), 2260092 , 2023 2023 Citations: 10
A Comparative Study about Vertical Accuracy of Four Freely Available Digital Elevation Models ZA Ferreira, P Cabral 2022
A Comparative study about vertical accuracy of four freely available digital elevation models: a case study in the Balsas river watershed, Brazil ZA Ferreira, P Cabral ISPRS International Journal of Geo-Information 11 (2), 106 , 2022 2022 Citations: 41
Best Student Paper Award Certificate ZA Ferreira, P Cabral Proceedings of the 7th International Conference on Geographical Information … , 2021 2021
Análise comparativa entre métodos de determinação de desníveis: Nivelamento geométrico e posicionamento em tempo real (RTK) ZA Ferreira, JP Rabêlo, LEO Borges, MGBC Gomes, GMC de Castro Revista Sítio Novo 3 (1), 75-82 , 2019 2019 Citations: 1
Diagnóstico físico-conservacionista do ambiente cárstico da bacia do córrego Cana-brava, Aurora do Tocantins (TO, Brasil) ZA FERREIRA, F MORAIS Caderno de Geografia 27 (50), 244-273 , 2017 2017 Citations: 4
MOST CITED SCHOLAR PUBLICATIONS
A Comparative study about vertical accuracy of four freely available digital elevation models: a case study in the Balsas river watershed, Brazil ZA Ferreira, P Cabral ISPRS International Journal of Geo-Information 11 (2), 106 , 2022 2022 Citations: 41
Insights into landslide susceptibility: a comparative evaluation of multi-criteria analysis and machine learning techniques Z Ferreira, B Almeida, AC Costa, M do Couto Fernandes, P Cabral Geomatics, Natural Hazards and Risk 16 (1), 2471019 , 2025 2025 Citations: 31
Analysing the spatial context of the altimetric error pattern of a digital elevation model using multiscale geographically weighted regression Z Ferreira, AC Costa, P Cabral European Journal of Remote Sensing 56 (1), 2260092 , 2023 2023 Citations: 10
Diagnóstico físico-conservacionista do ambiente cárstico da bacia do córrego Cana-brava, Aurora do Tocantins (TO, Brasil) ZA FERREIRA, F MORAIS Caderno de Geografia 27 (50), 244-273 , 2017 2017 Citations: 4
Análise comparativa entre métodos de determinação de desníveis: Nivelamento geométrico e posicionamento em tempo real (RTK) ZA Ferreira, JP Rabêlo, LEO Borges, MGBC Gomes, GMC de Castro Revista Sítio Novo 3 (1), 75-82 , 2019 2019 Citations: 1
Insights into landslide susceptibility Z Ferreira, B Almeida, AC Costa, M do Couto Fernandes, P Cabral 2025
Predicting Landslides Through Machine Learning Techniques: A Systematic Literature Review Z Ferreira, P Cabral Anais do VI Congresso da Sociedade de Análise de Risco Latino Americana … , 2025 2025
A Comparative Study about Vertical Accuracy of Four Freely Available Digital Elevation Models ZA Ferreira, P Cabral 2022
Best Student Paper Award Certificate ZA Ferreira, P Cabral Proceedings of the 7th International Conference on Geographical Information … , 2021 2021