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Ingeniería, investigación y tecnología
versión On-line ISSN 2594-0732versión impresa ISSN 1405-7743
Resumen
RODRIGUEZ-GONZALEZ, Baudelio; PINEDA-MARTINEZ, Luis Felipe y GUERRA-COBIAN, Víctor Hugo. Precipitation variability analysis in the State of Zacatecas, México, by utilizing satellite information and gauges. Ing. invest. y tecnol. [online]. 2018, vol.19, n.4, e031. ISSN 2594-0732. https://doi.org/10.22201/fi.25940732e.2018.19n4.031.
The state of Zacatecas presents a seasonal distribution of rainfall that causes the negative impact on livestock, agricultural systems and public-urban water supply, which has intensified in the last decade. Rainfall records in this region are small due to the low density of climatic stations and non-climatic factors; especially those associated with the measurement of observation. The objective of this study was carried out a spatial and temporal quantification of precipitation in the region of the state of Zacatecas. The rainfall analysis was conducted for the summer months of June to September during the period from 2001 to 2010, using various precipitation data sources, rain gauges and satellite, to include more detailed information in the study area. With the development of satellite transmission systems, it can have a global extension, as far as the problems and limitations are concerned, it is broadly significant. To obtain the variability of precipitation, a re-analysis was performed using a multivariate statistical analysis in regular grids for each source. The study area generally presented less precipitation due to its location between the interior basins of the Center-North, such as the Altiplano. The results showed a positive correlation between the observed and satellite data. The temporal analysis of the precipitation showed both wetter periods and drier periods, which could be an expression of greater climatic variability.
Palabras llave : Precipitation variability; rain sensing; Kriging method; gridded data; reanalysis.