rainfall trends for periods of 1911–1980 over 28 meteorological stations in Nigeria with 40 years moving average showing appearance of declining rainfall. Also, to study rainfall pattern and how it is distributed across space over southern Nigeria and water body changes in land use that influence climate. Also, to study rainfall pattern and how it is distributed across space over southern Nigeria and water body changes in land use that influence climate. It also shares a border with the self-declared, but internationally unrecognized state of Ambazonia in the southeast. A., 3UDOLISA, R. E. K. AND 3A. Geo-politically she divided into northeast, northwest, southwest, southeast and north International Journal of Scientific & Engineering Research, Volume 4, ... sources. rain days in South Western Nigeria between 1970-2006, Guhathakurta and Rajeevan (2006) study the trends in the rainfall pattern over India between 1901-2003, Obot et al., (2011) also consider the trends of rainfall in Abeokuta, Nigeria between 1981-2002 etc. 83 E ANALYSIS Of RAINfALL PATTERN NVIRONMENT AND fLOOD INCIDENCES IN wARRI METROPOLIS, NIGERIA Rhoda Olanrewaju 1, Buku Ekiotuasinghan , Godwin Akpan1* 1Department of … Obot et al. USAID staff and other development practitioners may find this information useful for climate risk management and for considering the linkages between climate change and development. It was concluded that he alternating wet and dry patterns in inter-annual rainfall fluctuations and by extension, the droughts and floods over Nigeria within the study period, were caused by sea surface temperature anomalies over the Atlantic and Pacific Oceans. Apart from the general southward shift in rainfall patterns, the duration has also reduced from 80-360 (1941-1970) to 40-280 (1970-2002) rainy days per year. This paper is premised on the hypothesis that the amount of rainfall in Nigeria decreases with increasing distance from the coastal areas to the north semi arid lands. km occupies about 14% of land area in West Africa. For example, Adefolalu (1986) examines trends in rainfall pattern using 70-year period (1911–1980) rainfall data from 28 meteorological stations. Climate data and weather averages in Port Harcourt. Internatinal Journal of Climatology, 10: 810-848. This has created ecological destabilisation and altered the pattern of the vegetation belt especially in the northern fringes of the country. Its coast lies on the Gulf of Guinea in the south and it borders Lake Chad to the northeast. CONTACT: 07034653641 . Differences in rainfall patterns are also determined by seasonal changes and differences in elevation. The farmers, who spoke separately with the News Agency of Nigeria (NAN) Thursday in Dutse, were worried that the irregular rainfall pattern would adversely affect their crops and farming season. While there is a general decrease in rainfall in Nigeria, the coastal area is experiencing slight increase. A.DEPARTMENT OF PHYSICS, CROSS RIVER UNIVERSITY OF TECHNOLOGY CALABAR, NIGERIA . Rainfall data from 28 stations for the period of 1970 – 2002 were collected from the Nigeria Meteorological Station, Lagos. Rainfall Pattern in Nigeria It is a common believe that all water on the earth comes from the rain and stored as surface water such as rivers, ponds, oasis, or underground water as spring and water table etc. Knowing the seasonal rainfall pattern is one of the major factor that an average business-oriented farmers should consider in planning for their annual rain-fed farming operations. ... we have been in close romance with sources from the Nigeria Meteorological Agency (NIMET) for the 2017 SRP in each and every major towns and cities around us. The implications of the ITD movement on the rainfall pattern in Nigeria have been reported in many studies (Abatan et al., 2016; Ayanlade, 2009; Fuwape et al., 2016; Ilesanmi, 1971; Odekunle, 2006; Odekunle et al., 2005). Annual rainfall totals, growing season rainfall totals and annual raindays of 27 Nigerian meteorological stations with varying lengths of records from 1903 to 2012 were collected from the Nigerian Meteorological Agency (NIMET). In their paper entitled „Analysis of Arising from the influence of climate change on rainfall pattern in Nigeria over the years, this study was undertaken to investigate the link between rainfall trend and agricultural production in Nigeria in the light of food security. Precipitation is heavier in the south, especially in the southeast, which receives more than 120 inches (3,000 mm) of rain a year, compared with about 70 inches (1,800 mm) in the southwest. Nigeria Meteorological Agency (NIMET) re-vealed that Nigeria’s climate is characterized by strong a 4(2) 2005: 139-145, [Global Journal of Environmental Sciences]. The changes and variability associated with rainfall and the pattern of extreme high or low precipitation are very important for agriculture as well as the economic development of the state. Eludoyin et al. Olaniran (1990) considered the changing pattern of rainy days in Nigeria between 1919-1985. Nigeria shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in the north. EMAIL: jonathansong@yahoo.com. An analysis of rainfall patterns in Nigeria, Researchers and policy-makers need access to contextually-relevant quality research publications from Africa in order to develop solutions to address the continent’s challenges in health, education, climate change & under-development. 1 No. Results from this study showed that annual rainfall totals, growing season rainfall and annual raindays series exhibited a significant downward trend at most of the stations over the period of the study. In the southeast, the rainiest region, the decrease in rainfall in July and August doesn't occur: in Calabar, where 3,000 mm (120 in) of rain fall per year, rainfall remains around 400 mm (16 in) per month from June to September. Kendall tau statistics and Step-Wise Multiple Regression model were used for data analyses. Apart from the general southward shift in rainfall patterns, the duration has also reduced from 50-360 (1993-2003) to 30-280 (2003-2013) rainy days per year. Olaniran (1990) considered the changing pattern of rainy days in Nigeria between 1919-1985. African Journals OnLine (AJOL) is the world's largest and preeminent platform of African-published scholarly journals. By Akinsanola A. The rain-day series in Nigeria have been examined for periodicities, fluctuations and trends for four regions arranged from south to north (the Coastal, Guinea-Savanna, Midland and Sahelian zones) based on data collected for the period 1919–1985. 369 Effect Of Rainfall Pattern On Fish Production In Ogun State, Nigeria FISON EKO 2010 ISSN: 1117-3149 PROCEEDINGS OF FISHERIES SOCIETY OF NIGERIA (FISON) ASCON, BADAGRY 25th-29th OCTOBER 2010 FSN-FM 0005 MAIDUGURI 30.7 4 MAKURDI 177.2 6 STUDY AREA Nigeria with a total area of 923,800 sq. : Rainfall is the most important natural factor that goes a long way in determining a lot of things especially agricultural production in Nigeria, especially in the southern part of Nigeria. Federal University of Technology, Nigeria. With these impacts, the paper therefore recommends some adaptive and mitigation measures that could help to revert the current situation.Keywords: changing climate, vegetation belts, rainfall pattern and shiftGlobal Journal of Environmental Sciences Vol. 2. In some regions, rainfalls occur during the whole year, while other regions receive only seasonal rainfalls. The Nigerian Meteorological Agency (NiMet) has warned that many parts of the country were likely to experience flooding due to a shift in rainfall pattern caused by climate change. Based on weather reports collected during 2005–2015. In the east annual rainfall is only 2 cm (0.79 inches). In particular, the present study aims to find the possible link(s) between specific rainfal indices (monthly total rainfall, rainfall anomalies and monsoon breaks) in selected stations in nigeria and some prominate climate … While some of these studies revealed no direct relationship between rainfall patterns and ENSO since it brings both rainfall surplus and deficit (Shehu,et al., 2016 and Nnawuike, et al., 2016) others, indicate that ENSO has direct influence on the rainfall parameters in Nigeria (Ati, et al., 2010 and Benard, 2000 cited in Shehu, et al., 2016). 1 (2020): OJER 2020 First Issue, Creative Commons Attribution 4.0 International License. Annual Weather Averages in Port Harcourt. Nigeria Meteorological Agency (NIMET) re-vealed that Nigeria’s climate is characterized by strong a It provides suitable conditions for many types of ecosystems, as well as water for hydroelectric power plants and crop irrigation. Due to the agriculture base of the Northeast Nigeria, it is imperative to explicitly model seasonal behaviour of rainfall in the region for agricultural planning.

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