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Evaluation of Gridded GPM Precipitation Dataset over Cuba.
1 , 1 , * 1 , 1, 2 , 1, 2 , 1
1  Instituto Superior de Tecnologías y Ciencias Aplicadas. Universidad de La Habana. Cuba.
2  Environmental Physics Laboratory, CIM-UVigo, Universidad de Vigo, Ourense, España.
Academic Editor: Anthony Lupo

https://doi.org/10.3390/ecas2021-10341 (registering DOI)
Abstract:

Precipitation measurement is essential for most environmental studies, such as drought monitoring, watershed operations and water hazard management. The development of satellite products has improved their applicability in environmental models and could offer an alternative to gauge-based precipitation data, particularly in areas where there is not a sufficient number of meteorological stations, but they need to be evaluated in different areas using data terrestrial as references. This research aims to carry out a validation of the product of Integrated Recoveries from Multiple Satellites (IMERG) of global precipitation measurement (GPM) for the network of meteorological stations in Havana, Cuba. The study focused on investigating the performance of GPM IMERG (Early) products every 30 minutes by comparing them with rain gauge data on land at meteorological stations (2014-2020). The performance of the GPM IMERG was evaluated using different interpolation methods and performing a statistical analysis. The results obtained allow to choose the best interpolating method, as well as to evaluate the temporal and spatial precision of the satellite data. Further work will expand the findings and methods to the Cuban meteorological stations network.

Keywords: data terrestrial, GPM-IMERG dataset, statistical analysis, interpolation methods

 
 
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