Biophysical indices of the Sucuru-PB River Basin using Google Earth Engine

Authors

Keywords:

multi-temporal, semiárido, geotecnologias

Abstract

The Sucuru River Basin covers an area of 1,652.5 km² and requires efficient monitoring of its natural resources. Remote Sensing (RS) has emerged as a crucial tool for this purpose. This study aimed to analyze the dynamics of the Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST) in relation to variations in rainfall during the period from 2001 to 2019. To carry out this analysis, the Google Earth Engine (GEE) platform was used, along with data from the Moderate Resolution Imaging Spectroradiometer (MODIS) and TerraClimate sensors, using JavaScript programming. Pearson's correlation coefficient (r) in the R® software was applied to assess the relationships between NDVI time series data and rainfall, as well as between LST data and rainfall. This study highlighted the effectiveness of the GEE platform in processing the images, allowing for a comprehensive analysis of the dynamics of the Sucuru River basin and its relationship with key climatic factors, providing crucial information for managing water resources in the region, highlighting the importance of RS as an effective tool for monitoring the natural resources of river basins. Pearson's correlation coefficients revealed a moderate correlation between NDVI and rainfall, as well as between LST and rainfall, indicating a strong association between vegetation dynamics and LST with rainfall patterns.

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Author Biographies

José Hugo Simplicio de Sousa, Universidade Federal de Campina Grande, Paraíba, Brasil

Undergraduate student in Biosystems Engineering at the Federal University of Campina Grande, CDSA/Campus Sumé with an emphasis on Remote Sensing and Geoprocessing. Worked as a scholarship holder for the Institutional Scientific Initiation Program (PIBIC), in projects in the area of Remote Sensing and Geoprocessing, between 2021 and 2023 and worked on a project in the area of food drying between 2020 and 2021. Former Associate Junior Consultant at SustemBIO Jr, the Junior Company of the Biosystems Engineering course at UFCG/CDSA.

George do Nascimento Ribeiro, Universidade Federal de Campina Grande, Paraíba, Brasil

He holds a bachelor's degree in Agronomy (2003) and a master's degree in Soil and Water Management and Conservation (2006) from the Federal University of Paraíba, a doctorate in Agricultural Engineering from the Federal University of Campina Grande (2014) and a post-doctorate in Alternative Energy Sources from the UFCG Graduate Program in Chemical Engineering (LABFREN/UFCG). He is currently a professor at the Federal University of Campina Grande/CDSA/Campus Sumé. He has experience in the areas of Geosciences, with an emphasis on Remote Sensing (natural resources, geotechnologies and thematic mapping) and Renewable Energies (production of hydrogen as a fuel source for fuel cells and solar energy - photovoltaic panels).

Paulo Roberto Megna Francisco, Universidade Federal de Campina Grande, Paraíba, Brasil

He worked as a Researcher for Regional Scientific Development for Internalization at the Federal University of Paraíba-UFPB-CCA/Areia. Graduated in Agricultural Engineering from UFCG. PhD student in Natural Resources (Concentration in Natural Resources Engineering). He has a PhD in Agricultural Engineering (Concentration in Irrigation and Drainage) from the Federal University of Campina Grande - UFCG (2013), a Master's Degree in Agronomy - Soil and Water Management (Concentration - Sustainable Agriculture and Environmental Planning) from the Federal University of Paraíba - UFPB - Areia (2010) and also graduated as an Agricultural Technologist (Mechanization) from the São Paulo State University Júlio de Mesquita Filho - UNESP - Bauru (1990). He has teaching experience in the field of Agronomy, with an emphasis on Agricultural Mechanization, Agricultural Machinery and Implements and Agro-technical Machinery. He works as a researcher, collaborator and advisor on projects at the UFPB Areia Campus, UFCG - Campina Grande Campus, Sumé Campus and Patos Campus. He has experience in soil techniques and mapping, agricultural and pedoclimatic requirements, land use capacity, geoprocessing, cartography, remote sensing, geostatistics, water balance generation and climate indices. He has worked as a consultant for INCRA/PB on PDAs. He was an ad hoc consultant for CONFEA as the organizer of CONTECC. Editor-in-chief of Editora Portal Tecnológico-EPTEC . He is currently working as an organizer and on the scientific committee of CNMA-Poços de Caldas.

Osmar Antônio da Silva Júnior, Universidade Federal de Campina Grande, Paraíba, Brasil

He has a vocational technical degree in agricultural technician with a major in Agriculture from the Federal Institute of Education, Science and Technology of Bahia (2016) and a high school diploma from the Federal Institute of Education, Science and Technology of Bahia (2012). He has experience in Agricultural Engineering, with an emphasis on Biosystems Engineering. Currently studying Biosystems Engineering at the Federal University of Campina Grande.

Luiz Heitor Gonçalves Teodomiro Silva, Universidade Federal de Campina Grande, Paraíba, Brasil

Graduated in Technology in Agroecology from the Center for Sustainable Development of the Semi-Arid (CDSA) of the Federal University of Campina Grande (UFCG). Enthusiastic in the areas of studies of agroecological practices in schools, management of Sustainable Agri-Food Systems/Agroforestry Systems, with a focus on Family Farming. She has experience in extension work, conducting research for the publication of scientific articles, volunteer work in laboratories and experimental areas on the campus and in rural settlements.

Jarlean Lopes Nóbrega, Universidade Federal de Campina Grande, Paraíba, Brasil

Undergraduate student in Biosystems Engineering at the Federal University of Campina Grande (UFCG). Member of the Soil Education research group. in 2022-2024, I took part in the PASCAR Extension Program (Sustainable Action Program for Cariri), as a speaker on the program Matutando Solos e Agroecologia, where I had the privilege of sharing information and expertise on agroecology, sustainability and soil conservation techniques, reaching a diverse audience and helping to strengthen education and conservation of the Semi-Arid's social capital. I play an active role by giving Geotinta workshops in various schools in the Cariri region. Through these activities, I contributed to the dissemination of sustainable practices, promoting environmental awareness and encouraging the use of sustainable techniques and materials in paint production. In addition, I took on the role of treasurer at the Biosystems Engineering Academic Centre (CA) for the period 2022-2023, being responsible for financial management and organizing academic events.

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2023-11-25

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Sousa, J. H. S. de, Ribeiro, G. do N., Francisco, P. R. M., Silva Júnior, O. A. da, Teodomiro Silva, L. H. G., & Nóbrega, J. L. (2023). Biophysical indices of the Sucuru-PB River Basin using Google Earth Engine. Geama Journal - Environmental Sciences, 9(3), 86–94. Retrieved from https://journals.ufrpe.br/index.php/geama/article/view/5725

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Vol. 9 No. 3 (2023)

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