rainfall in nigeria pdf


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Highlights We examined the existence of trend and periodicity in rainfall of Nigeria over the last century. Rainfall extremes can cause a significant loss of lives and economic losses in Nigeria. Abstract. Inland, it decreases to around 130 cm (50 inch) over most of central Nigeria and only 50 cm (20 inch) in the extreme north. Table 1. In other to fully harness and optimize the vast … 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 … Rainfall Intensity-Duration-Frequency (IDF) curves for design of storm drainage in urban systems. The durations and intensities of rainfall have increased, producing large runoffs and flooding in many places in Nigeria (Enete IC, 2014). 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 … This study makes use of the annual rainfall data of forty years (1978-2017) for South-South, Nigeria which was collected from the The paper is designed to study the rainfall patterns and its implications in Nigeria. Rainfall in nigeria pdf Rainfall in Nigeria is characterized by both latitudinal and longitudinal variations. The impacts of climate change in Nigeria … With 173 million people, a Nigeria is the most populated country in Africa. Rainfall data from 28 stations for the period of 1970 – 2002 were collected from the Nigeria Meteorological Station, Lagos. Thus, There is no existence of trend in the monthly to be amount of Precipitation in southern areas is expected to rise and rising sea levels are expected to exacerbate flooding and submersion of coastal lands … 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). The typical rainfall data were obtained from each decade. It captures the impact of climate change on men and women in characteristic disaster areas of the South-Eastern and North- 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 … The country’s north-south extent is about 1 050 km and its maximum east-west extent is about 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. Given this scenario, the 2011 rainfall in Nigeria is likely. Here are some average weather facts we collected from our historical climate data: On average, the temperatures are always high. This study examines the length of the growing season in Nigeria using the daily rainfall data of Ikeja, Ondo, Ilorin, Kaduna and Kano. In the south, annual average temperatures range from 17–37°C and in the north from 12–45°C. Climate change is increasingly becoming a serious challenge to Nigeria's socioeconomic development. Significant precipitation is recorded April to October in the … 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. 2219 Figure 1. There was a sharp difference between … A total of four hundred copies of questionnaire were administered to solicit information from the respondents using systematic random sampling technique Rainfall and temperature data were collected from Ikeja, Benin, Ibadan, Ilorin, Kaduna and Kano, in Nigeria. 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 focus of this study was centered on rainfall because rice production system in Nigeria is mainly rain-fed. However, a comprehensive research hypothesis was formulated for the study. The study by [4] on “Rainfall trends in Nigeria” analyzed Annual mean rainfall data of 28 meteorological stations in Nigeria from 1911-1980. The results among others show that rainfall … Nigeria. 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 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 warmest month is May with an average maximum … 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. The paper seeks to examine the perception and awareness of climate change in Osogbo metropolis. Nigeria is also highly vulnerable to the effects of climate change, which is already having direct impacts across the Sahel region. 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. 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. Annual rainfall totals are lower compared to the southern and central part of Nigeria. While the vegetation map of Nigeria between 1973 and 1995 forms the basis of biodiversity change analysis. Rainfall is the most important natural factor that determines the agricultural production in Nigeria, particularly in the South western part of Nigeria. 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. Nigeria whose sources of livelihood is rainfall dependent [7]. 220 Rising temperatures, more erratic rainfall (causing both droughts and floods) and rising sea levels along Nigeria’s southern coast have contributed to large-scale changes in the agricultural solar radiation and rainfall. His analysis indicated that in the first decade of 1971-1980 anomalies between -0.2 and -1.6 were predominant, 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. The best time of year to visit Lagos in Nigeria. The hot Harmattan wind from the Sahara sweeps across the … The climate of Nigeria has two distinct seasons, which form the main types of air masses. The rainy season in the northern part of Nigeria last for only three to four months (June–September). Nigeria. contrast between the SST locations and rainfall stations in Nigeria, surface location of ITD and land surface temperature of rainfall stations in Nigeria. The rest of the year is hot and dry … The Sahel climate or tropical dry climate, is the predominant climate type in the northern part of Nigeria. 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 Annual rainfall amounts decrease in a gradient moving south to The data were collected from the archives of the Nigerian Meteorological Services, Oshodi, Lagos. The rainfall data used consists of data from the year 2007 to INTERNATIONAL JOURNAL OF CLIMATOLOGY Int. This study examined the extent of climate change in Kano through rainfall data analysis. J. Climatol. climate change as Nigeria prepares for the UNFs 15th onference of Parties. Obot et al. 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]. Rainfall seasonality in the Niger Delta Belt, Nigeria Joseph O. Adejuwon Department of Water Resources Management and Agrometeorology, University of Agriculture, Abeokuta, Ogun State. Thirty-one year (1979-2010) annual rainfall and relative humidity for eight stations scattered over Nigeria have been analysed. Rainfall variation is projected to continue to increase. E-mail: adejoseph2003@yahoo.com. Rainfall changes varied between −3.46 and +0.76 mm yr −2. 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. 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. Accepted 29 November, 2011 This paper examined rainfall seasonality in the Niger Delta, Nigeria, using … 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. Map of the six Geopolitical Zones in Nigeria. The basic objective of this investigation is the determination of the spatial distribution of rainfall in Plateau State. 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. Rainfall Analysis in Enugu Environment (1917-2004) Time series analysis of rainfall below disclosed pattern of rainfall from 1917-2004. The aim of this work is to examine the trend of rainfall in Abeokuta, ogun State, Nigeria: A 2-year experience (2006 - 2007). These parameters are used for calculating rain attenuation in those locations using the international telecommunication union (ITU) model [7]. Statistical results of the total amount of rainfall (mm) for a 30 year (1978-2007) period in selected locations of the six Lower rainfall in the north, for example, reduces the availability of trees and … The months of March, April, May, July, September and October have a high chance of precipitation. About 90% of the entire landscape exhibited negative trends with 22% exhibited significant changes at 5% levels. Rainfall data from twenty Nigeria stations, Sea Surface Temperature.tremendous crop failure whenever there are significant changes in rainfall pattern. locations in Nigeria, in terms of Latitude, Longitude and Altitude (m), are presented in Table 2. 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. 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 … Rainfall amount, pattern, duration each year, have a serious impact on the condition of biodiversity, forest and wildlife in the study area. Empirical prediction of seasonal rainfall and the operational uses of such prediction is rela-tively new in Nigeria. This publication was commissioned by the Heinrich Böll Foundation, Nigeria. 1973 and 1995 forms the basis of biodiversity change analysis, May, July September... 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