Photosynthetically active radiation (PAR; 0.4 - 0.7μm) is a key driver in ecosystem biochemical processes, and thus a critical factor in agriculture productivity, ecosystem-atmosphere energy, and CO2 fluxes. In this study, the measured monthly averaged daily global solar radiatio...
Open access
Research Article10.9734/jenrr/2023/v15i4324
The present study estimate and investigate the variation of albedo for Maiduguri situated in the Sahelian region of Nigeria, using meteorological data of global solar radiation obtained from the National Aeronautics and Space Administration (NASA) extending for a period between 1...
Open access
Research Article10.9734/ajr2p/2023/v7i4149
In this study, the monthly average minimum and maximum temperature meteorological data obtained from the European Centre for Medium-Range Weather Forecasts (ECMWF) during the period of thirty eight years (1979 – 2016) were used to estimate the mean velocity and most probable velo...
Open access
Research Article10.9734/ajr2p/2021/v5i230158
Time series and empirical orthogonal transformation analysis was carried out for four (4) selected tropical sites, which are situated across the four different climatic zones, viz. Sahelian, Midland, Guinea savannah and Coastal region in Nigeria using measured monthly average dai...
Open access
Research Article10.9734/ijecc/2019/v9i530113
In this study, time series statistical analysis was carried out on the monthly average daily meteorological parameters of global solar radiation, sunshine hours, wind speed, mean temperature, rainfall, cloud cover and relative humidity during the period of thirty one years (1980...
Open access
Research Article10.9734/jenrr/2019/v3i130088
In this study, the meteorological parameters of measured monthly average daily visibility, mean temperature, relative humidity, atmospheric pressure, rainfall and wind speed covering a period of 12-years were utilized to develop and evaluate one, two, three, four and five variabl...
Open access
Research Article10.9734/JSRR/2017/36670
This present study investigates the variation of atmospheric visibility with meteorological parameters of measured monthly average daily visibility, mean temperature, relative humidity, atmospheric pressure, rainfall and wind speed for a period of 12-years over Ikeja, Lagos State...
Open access
Research Article10.9734/ACRI/2017/36010
In this study, the shortwave solar energy balancing at the edge of the earth’s atmosphere was employed to estimate the variation of albedo for Sokoto, Nigeria (Latitude 13.02 N, Longitude 05.25 E and altitude 350.8 m above sea level). The measured meteorological parameters of mon...
Open access
Research Article10.9734/ACRI/2017/33196
Estimation of radio refractivity is critical in the planning and design of radio links/systems for the purpose of achieving optimal performance. This present work investigates the tropospheric radio refractivity over Ikeja, Lagos State, South Western, Nigeria (Latitude 6.58°N, Lo...
Open access
Research Article10.9734/JGEESI/2017/32534
Evapotranspiration (ET) is an important component of the hydrological cycle and its accurate quantification is crucial for the design, operation and management of irrigation systems. Agricultural planning depending on evapotranspiration suffers due to inaccuracy in its estimation...
Open access
Research Article10.9734/PSIJ/2017/32720
The present study investigated the monthly average daily mean temperature, relative humidity, surface pressure, cloud cover, and sunshine hours associated with monthly variations in surface water vapour density (SWVD) for the period extending from 1979 to 2016 for Benin (Latitude...
Open access
Research Article10.9734/ajr2p/2023/v7i4148
The major factor faced by Agricultural activities is water scarcity. Water is very essential in Agricultural activities (plantation), crop acquires water naturally by precipitation and subsurface moisture, when the supply of water is inadequate for crop use, mostly results to irr...
Open access
Research Article10.9734/jenrr/2023/v15i2303