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Trends in total rainfall, heavy rain events, and number of dry days in San Juan, Puerto Rico, 1955-2009 Ecology and Society
Nieves-Santiango, Alejandro; Graduate School of Public Health and Center for Public Health Preparedness, University of Puerto Rico-Medical Sciences Campus; alejandro.nieves1@upr.edu.
Climate variability is a threat to water resources on a global scale and in tropical regions in particular. Rainfall events and patterns are associated worldwide with natural disasters like mudslides and landslides, meteorological phenomena like hurricanes, risks/hazards including severe storms and flooding, and health effects like vector-borne and waterborne diseases. Therefore, in the context of global change, research on rainfall patterns and their variations presents a challenge to the scientific community. The main objective of this research was to analyze recent trends in precipitation in the San Juan metropolitan area in Puerto Rico and their relationship with regional and global climate variations. The statistical trend analysis of precipitation...
Tipo: Peer-Reviewed article Palavras-chave: Climate variability; Puerto Rico; Rainfall patterns; San Juan; Trend analysis.
Ano: 2014
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Hydrological behaviour of vertisols in the Brazilian semi-arid region: the importance of rainfall of less than 30 mm Rev. Ciênc. Agron.
Andrade,Eunice Maia de; Rodrigues,Rafael do Nascimento; Palácio,Helba Araújo de Queiroz; Brasil,José Bandeira; Guerreiro,Maria João Simas.
ABSTRACT The greater probability of small rainfall events occurring in semi-arid regions, and the little understanding of their role in hydrological processes, has led to this investigation of surface runoff generated during these events in two adjacent micro basins in the Brazilian semi-arid region. The types of plant cover to be investigated were the Phytogeographical Caatinga Domain under regeneration for 35 years (CPDReg) and thinned CPD (CPDThin), which consisted of the elimination of trees with a diameter of <10 cm. Two historical series were considered, one of 40 years (1974-2013) with 2,259 events and the other consisting of 247 rainfall events of <30 mm from 2009 to 2013. The cumulative frequency distribution showed that the series of 247...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eco-hydrological processes; Seasonally Dry Tropical Forest; Thinning; Surface runoff; Rainfall patterns.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000200408
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