CAVALCANTI, J. E.; http://lattes.cnpq.br/4146166964508309; CAVALCANTI, José Edergilson.
Résumé:
Climate change interferes with the day-to-day population, the economy and the infrastructure
of cities. Lack of water in large and small cities in the country has been a central theme in
recent discussions. This work aims to classify through the Rainfall Anomaly Index (IAC) the
climatic patterns and intensity of extreme annual events in the municipality of Santa Cruz do
Capibaribe-PE. In addition, it intends to carry out the climatic classification of the
municipality, according to the Thornthwaite methodology (1948). The selected rainfall
stations present data from 1962 to 2016. Data on climatic extremes (dry and rainy) were
obtained from the digital platform of the Integrated Disaster Information System (S2ID) of the
Ministry of National Integration. After the analysis, it was possible to identify changes in the
climate pattern, with a predominance of drier years from the 1980s onwards, which resulted in
a decrease in the total annual precipitation volumes for the studied area. From the analysis of
the average monthly rainfall data, it was found that the rainy season extends from March to
July, and the dry period predominates from August to December. Regarding the impacts
resulting from extreme climatic events, the majority of documents issued declaring a state of
emergency were in years considered dry, 87.5%, with a lower number of documents issued in
rainy years, 12.5%. In those years in which decrees were issued, there were losses to
agriculture, livestock and water supply, so these impacts corroborate the importance of the use
of climatic data for territorial planning in order to minimize the risks to local communities.
