作者: Richarde Marques da Silva , Leonardo Pereira e Silva , Suzana Maria Gico Lima Montenegro , Celso Augusto Guimarães Santos
DOI: 10.1590/S1982-45132010000200010
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摘要: The study aimed to evaluate the space-time variability of rainfall for period 1970-2000, in Tapacura river basin, located Pernambuco State. Many statistical parameters were used analyze monthly and annual rainfall, such as mean standard deviation, normalized fitted equation coefficient variability. showed a major concentration between March July, when 60% occurred, that dry season occurred August February. significant decrease order -20% compared rainfall. About spatial variability, it was verified decreases at direction East-West, periods with low depths have higher variation.