Decadal Assessment and Distribution of Rainfall Anomaly Index (1991 – 2020) for Benin City, Edo State, Nigeria
نویسندگان
چکیده
This study was designed to provide valuable insight into the temporal patterns of rainfall in Benin City, Edo State, Nigeria using data from 1991 – 2020 (30 years) collected Nigerian Meteorological Agency (NIMET), airport station, City. The were assessed based on 10 years interval (decade) identified as decadal A (1991-2000), B (2001-2010) and C (2011-2020). analysed descriptively charts graphs. Also, Rainfall Anomaly Index (RAI) determined for each decadal. Findings reveal that pattern changes significantly statistics In A, usually began month July October, June September while May with going above annual precipitation (2679 mm) anomaly over city revealed there a composite nature which some dry mixed wet vice versa this occurred all decades. RAI recorded highest number (7) intense compared B. trend average showed significant decade. increased time rose 1886.9 mm decade 1890.0mm 2078.8 C. year greatest positive value 2016 (decadal C), an 6.53 classified extremely humid. Based these findings, concludes climate City has changed.
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ژورنال
عنوان ژورنال: Journal of applied science and environmental management
سال: 2022
ISSN: ['2659-1502', '2659-1499']
DOI: https://doi.org/10.4314/jasem.v26i10.2