rainfall in nigeria pdf

2.1 Documentation of Nigeria’s Vulnerability to Climate Change 16 2.2 Nigeria’s Primary Crops 17 3.1 Sources and Quality of Data Used in the Analysis 28 Rainfall variation is projected to continue to increase. Given this scenario, the 2011 rainfall in Nigeria is likely. solar radiation and rainfall. The paper is designed to study the rainfall patterns and its implications in Nigeria. Given the current precarious situation in Northern Nigeria rainfall is highly unpredictable, where the importance of analysis of rainfall variation in drought characterization can-not be over emphasized [8] [9]. Here are some average weather facts we collected from our historical climate data: On average, the temperatures are always high. Obot et al. The rainy season in the northern part of Nigeria last for only three to four months (June–September). Nigeria has a diverse climate with nine distinct ecological zones, ranging from an arid north (with both lowlands and a plateau region) to a tropical south. contrast between the SST locations and rainfall stations in Nigeria, surface location of ITD and land surface temperature of rainfall stations in Nigeria. Rainfall data from twenty Nigeria stations, Sea Surface Temperature.tremendous crop failure whenever there are significant changes in rainfall pattern. Empirical prediction of seasonal rainfall and the operational uses of such prediction is rela-tively new in Nigeria. Table 1. The study by [4] on “Rainfall trends in Nigeria” analyzed Annual mean rainfall data of 28 meteorological stations in Nigeria from 1911-1980. The country’s north-south extent is about 1 050 km and its maximum east-west extent is about Various manifestations of its impact are evident in Nigeria, which include increase in drought, scarcity of food instigated somewhat by irregularities in rainfall and over flooding. The paper seeks to examine the perception and awareness of climate change in Osogbo metropolis. Statistical results of the total amount of rainfall (mm) for a 30 year (1978-2007) period in selected locations of the six Rainfall changes varied between −3.46 and +0.76 mm yr −2. This study analysed the daily rainfall data collected from Nigeria Meteorological Agency (NIMET) Oshodi, Lagos for eight major towns in five state in South Western Nigeria over a period of twenty nine (1984-2012) years. The data were collected from the archives of the Nigerian Meteorological Services, Oshodi, Lagos. The Sahel climate or tropical dry climate, is the predominant climate type in the northern part of Nigeria. The best time of year to visit Lagos in Nigeria. Nigeria whose sources of livelihood is rainfall dependent [7]. 2219 Figure 1. With 173 million people, a Nigeria is the most populated country in Africa. spending (Federal Government of Nigeria, 2013). Rainfall data for one hundred years (1914-2013) of Aminu Kano International Airport synoptic meteorological station obtained from Nigerian Meteorological Agency The rainfall data used consists of data from the year 2007 to locations in Nigeria, in terms of Latitude, Longitude and Altitude (m), are presented in Table 2. Thirty-one year (1979-2010) annual rainfall and relative humidity for eight stations scattered over Nigeria have been analysed. Cumulative percentage mean rainfall was employed to generate the rainfall onset and retreat dates series, while the method of stepwise multiple regression analysis was used to construct the required … However, a comprehensive research hypothesis was formulated for the study. Precipitation in southern areas is expected to rise and rising sea levels are expected to exacerbate flooding and submersion of coastal lands … Minimum temperature (Tmin), maximum temperature (Tmax) and evaporation recorded increases of 2.47, 1.37 and 28.37 %, respectively, but a reduction of 19.58 % in rainfall … There was a sharp difference between … Abstract. The results among others show that rainfall … Our study revealed periodicities of 2.3 and 2.25 years in wet and dry seasons and periodicities of 2 to 5 years on seasonal and annual timescales. INTERNATIONAL JOURNAL OF CLIMATOLOGY Int. Inland, it decreases to around 130 cm (50 inch) over most of central Nigeria and only 50 cm (20 inch) in the extreme north. Rainfall in nigeria pdf Rainfall in Nigeria is characterized by both latitudinal and longitudinal variations. One of them is the sea equatorial air, which in the summer brings wet winds from the coast, and then a low pressure zone appears over the desert, and the other is a continental tropical one, and it is transported from the Sahara by a dusty dry … This study examines the length of the growing season in Nigeria using the daily rainfall data of Ikeja, Ondo, Ilorin, Kaduna and Kano. The variability of rainfall and the pattern of extreme high or low precipitation are very important for agriculture as well as the economy of the state. Rainfall data from 28 stations for the period of 1970 – 2002 were collected from the Nigeria Meteorological Station, Lagos. Nigeria GeoGraphy, climate aNd populatioN Nigeria is located in the tropical zone of West Africa between latitudes 4°N and 14°N and longitudes 2°2’E and 14°30’E and has a total area of 923 770 km2. Rainfall and temperature data were collected from Ikeja, Benin, Ibadan, Ilorin, Kaduna and Kano, in Nigeria. 18: 1261–1271 (1998) CHANGES IN RAINFALL CHARACTERISTICS IN NORTHERN NIGERIA AONDOVER TARHULE1 and MING-KO WOO* School of Geography and Geology, McMaster Uni6ersity, Hamilton, Ontario, L8S 4K1, Canada Recei6ed 4No6ember 1996 … The durations and intensities of rainfall have increased, producing large runoffs and flooding in many places in Nigeria (Enete IC, 2014). The hot Harmattan wind from the Sahara sweeps across the … This study examined the extent of climate change in Kano through rainfall data analysis. His analysis indicated that in the first decade of 1971-1980 anomalies between -0.2 and -1.6 were predominant, Rainfall Intensity-Duration-Frequency (IDF) curves for design of storm drainage in urban systems. Thus, There is no existence of trend in the monthly to be amount of This study makes use of the annual rainfall data of forty years (1978-2017) for South-South, Nigeria which was collected from the The basic objective of this investigation is the determination of the spatial distribution of rainfall in Plateau State. Accepted 29 November, 2011 This paper examined rainfall seasonality in the Niger Delta, Nigeria, using … Annual rainfall totals are lower compared to the southern and central part of Nigeria. E-mail: adejoseph2003@yahoo.com. The aim of this work is to examine the trend of rainfall in Abeokuta, ogun State, Nigeria: A 2-year experience (2006 - 2007). Highlights We examined the existence of trend and periodicity in rainfall of Nigeria over the last century. Ondo State, (Olaniran, 1990) investigated climate change in Nigeria, variation in rainfall receipt per rain-day and observed that there has been a progressive early retreat of rainfall over the whole country, and consistent with this pattern, reported a significant decline of rainfall frequency in September and October which, … The typical rainfall data were obtained from each decade. The months of March, April, May, July, September and October have a high chance of precipitation. A total of four hundred copies of questionnaire were administered to solicit information from the respondents using systematic random sampling technique Nigeria is also highly vulnerable to the effects of climate change, which is already having direct impacts across the Sahel region. J. Climatol. Energy: Climate change is expected to negatively impact the already limited electrical power supply in Nigeria, through impacts on hydroelectric and thermal generation (Ebele and Emodi, 2016). Rainfall amount, pattern, duration each year, have a serious impact on the condition of biodiversity, forest and wildlife in the study area. Nigeria. In the south, annual average temperatures range from 17–37°C and in the north from 12–45°C. Significant precipitation is recorded April to October in the … climate change as Nigeria prepares for the UNFs 15th onference of Parties. The results show that the greatest amounts of rainfall are obtained in the southern and western parts of the State and on the southern and western margins of the high Plateau in particular. These parameters are used for calculating rain attenuation in those locations using the international telecommunication union (ITU) model [7]. While the vegetation map of Nigeria between 1973 and 1995 forms the basis of biodiversity change analysis. This publication was commissioned by the Heinrich Böll Foundation, Nigeria. The rest of the year is hot and dry … Average rainfall along the coast varies from about 180 cm (70 in) in the west to about 430 cm (170 inch) in certain parts of the east. Rainfall extremes can cause a significant loss of lives and economic losses in Nigeria. RAINFALL AND THE LENGTH OF THE GROWING SEASON IN NIGERIA T. O. ODEKUNLE* Department of Geography, Obafemi Awolowo University, Ile-Ife, Nigeria Received 15 May 2003 Revised 8 December 2003 Accepted 16 December 2003 ABSTRACT This study examines the length of the growing season in Nigeria using the daily rainfall … The focus of this study was centered on rainfall because rice production system in Nigeria is mainly rain-fed. Rainfall is the most important natural factor that determines the agricultural production in Nigeria, particularly in the South western part of Nigeria. In other to fully harness and optimize the vast … The widespread poverty, the fact that Nigeria’s economy depend on climate-sensitive sectors mainly rain fed agriculture, poor infrastructure, heavy disease burdens, high dependence on and unsustainable exploitation of natural resources, and conflicts render the country especially vulnerable to impacts of drought. check climate change (Pat-Mbano and Alaka , 2012), and this certainly is exposing its citizenry to enormous risks and vulnerabilities associated with climate change and variability. Lower rainfall in the north, for example, reduces the availability of trees and … Annual rainfall amounts decrease in a gradient moving south to Map of the six Geopolitical Zones in Nigeria. The warmest month is May with an average maximum … Rain water supply is the limiting factor to the growth and production of rice in Nigeria as reflected by geographical distribution of rice-growing areas over region of heavy rainfall. Rainfall seasonality in the Niger Delta Belt, Nigeria Joseph O. Adejuwon Department of Water Resources Management and Agrometeorology, University of Agriculture, Abeokuta, Ogun State. It captures the impact of climate change on men and women in characteristic disaster areas of the South-Eastern and North- The climate of Nigeria has two distinct seasons, which form the main types of air masses. As the continent’s main exporter of oil, Nigeria faces the challenge of balancing global energy demands and domestic economic stability with the need to address climate and environmental considerations. Nigeria. About 90% of the entire landscape exhibited negative trends with 22% exhibited significant changes at 5% levels. Climate change is increasingly becoming a serious challenge to Nigeria's socioeconomic development. Rainfall Analysis in Enugu Environment (1917-2004) Time series analysis of rainfall below disclosed pattern of rainfall from 1917-2004. 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