Comparative analysis between precipitation data generated by the “Climate Prediction Center – CPC” versus observed data for different biomes in Brazil

Authors

DOI:

https://doi.org/10.5902/2179460X81776

Keywords:

Micrometeorological towers, Rainfall, In situ measurements

Abstract

With the need to better understand the biosphere-atmosphere interaction in many micrometeorological sites spread across different biomes, there is an increasing need to use estimated rainfall data, in the absence of this in the periods of analysis of the sites. As a result, this study aims to analyze the performance of precipitation data from the Climate Prediction Center (CPC) for regions of different biomes (Amazon and Caatinga), comparing with data observed in the nearest conventional INMET meteorological stations. In this work, we use accumulated daily rainfall data provided by the CPC/NCEP/NOAA (Climate Prediction Center/National Centers for Environmental Prediction/national Oceanic and Atmospheric Administration), which has a spatial resolution of 0.5°x0.5°, in different periods for each site. Analyzes were performed using statistical techniques (boxplot, Pearson’s correlation) comparing with observed precipitation data. The analysis showed that, despite the CPC data having a good representation of the seasonality of precipitation in the locations, its statistical representativeness varies greatly from one location to another, making the use of CPC data need to undergo high refinement and measurement before being used. rated as representative in certain areas, such as the K83 site and the Serra Talhada site.

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Author Biographies

Losany Branches Viana, Federal University of Western Pará

Graduating in the Professional Bachelor's Degree in Atmospheric Sciences at the Federal University of Western Pará, I am part of the Statistical Biometeorology research group and am currently developing a work plan, sponsored by CNPQ, entitled "Estimates of carbon balance in natural and anthropogenic ecosystems" linked to the Ibama research group - Interaction Biosphere - Atmosphere and Micrometeorology in the Amazon.

Gabriele Vieira Almeida, Federal University of Western Pará

Graduating in Agronomy at the Institute of Biodiversity and Forests - IBEF, at the Federal University of Western Pará.

Arthur Wendell Duarte Silva, Federal University of Western Pará

Undergraduate student of the Bachelor of Atmospheric Sciences at the Federal University of Western Pará (UFOPA) and member of the Research Group "Atmospheric Sciences in the Amazon" (CNPq), with experience in the line of research: Statistical climatology, ozone, Atmospheric dynamics and Biometeorology.

Gabriel Brito Costa, Federal University of Western Pará

Bachelor's Degree in Meteorology from the Federal University of Pará (2007). Master in Meteorology from the Federal University of Alagoas (2009). PhD in Sciences (Area of concentration: Applied Ecology) from the Luiz de Queiroz College of Agriculture (ESALQ) and Center for Nuclear Energy in Agriculture (CENA) of the University of São Paulo - USP (2015). He is currently Adjunct Professor C-III at the Federal University of Western Pará, in the area of Agrometeorology. He is a collaborating member of GEOMA - Group for Observational Studies and Modeling of Biosphere-Atmosphere Interaction, member of the National Observatory for the Dynamics of Water and Carbon in the Caatinga Biome (ONDACBC). He has experience in the area of Environmental Sciences and Geosciences, with emphasis on Meteorology , working in the following areas: Agrometeorology, Micrometeorology, Climatology, Hydrometeorology, Biometeorology and Ecology, with applied studies in statistical analyzes to characterize biogeochemical cycles (CO2, CH4, H2O), carbon balance in tropical forests, water resources, renewable energies, energy and water flows in areas of ecosystems and tropical forests, terra firme forest, floodplains and other types of surface cover, through In Situ measurements, use of Remote Sensing and Atmospheric Modeling products.Indices: H:Scopus=6 , =6, =9, =8. He participated in the coordination of the Bachelor of Atmospheric Sciences and Agronomy courses at the Federal University of Western Pará. He served as director of research for the Dean of Research, Graduate Studies and Technological Innovation at Ufopa. He coordinates the research group IBAMA-Biosphere-Atmosphere Interaction and Micrometeorology of the Amazon, involving researchers from UFOPA and external groups in the field of research. He is currently an Advisor for International and Interinstitutional Relations at UFOPA (ARNI).

Douglas Leonardo Sales Pedrosa, Federal University of Western Pará

Graduated in Meteorology from the Federal University of Alagoas (2019). He has experience in Geosciences, with emphasis on Meteorology, working mainly on the following subjects: Extreme Precipitation, Mesoscale Convective Complex (CCM), Viticulture, Climate Zoning, Thermal Comfort, Oceanography, Weather Forecast and Synoptic Meteorology.

References

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Cover image V. 45, Especial Edition, 2023. XXII Workshop Brasileiro de Micrometeorologia.

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Published

2023-11-22

How to Cite

Viana, L. B., Almeida, G. V., Silva, A. W. D., Costa, G. B., & Pedrosa, D. L. S. (2023). Comparative analysis between precipitation data generated by the “Climate Prediction Center – CPC” versus observed data for different biomes in Brazil. Ciência E Natura, 45(esp. 2), e81776. https://doi.org/10.5902/2179460X81776

Issue

Vol. 45 No. esp. 2 (2023): XII Workshop Brasileiro de Micrometeorologia

Section

Special Edition

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