Evaluation of methods employed in calculating average daily temperature of the air in the municipality of Barbalha-Ce
2011
Ledo, Eder Ramon Feitoza | Silva, Mairton Gomes da | Nogueira, Dijauma Honório | Miranda, Eugênio Paceli de | Araújo, Efraim Martins | Araújo, Eliakim Martins
With this objective was to calculate the average daily air temperature with the use of different methodologies for Barbalha, Cariri in the State of Ceará. We used five methods to calculate the average daily temperature of the air, being adopted as the standard recommend by the National Institute of Meteorology (INMET). The four methods evaluated in relation to the performance standard has classified as "Very Good," featuring a confidence index of 0.93, 0.89, 0.91 and 0.90 for the two equations (SMESP), 3 (FAO), 4 (arithmetic mean of 24 hourly observations) and 5 (average of eight observations per day), respectively, and accuracy index "d" of 0.96, 0.94, 0.97 and 0.96 in the same order before and EPE of 0.51, 0.64, 0.47 and 0.50 °C. Based on the climatic conditions of the study area, the four methods evaluated in the standard (INMET) can be used in the estimates of mean daily air temperatures
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