Nwokolo C. Samuel

Analysis of Photosynthetically Active Radiation over Six Tropical Ecological Zones in Nigeria

Sunday E. Etuk, Nwokolo C. Samuel, Okechukwu E. Agbasi & John- Jaja A. Sylvia · Journal of Geography, Environment and Earth Science International · 2016

This study was designed to proposed a multivariate model of monthly mean daily Photo synthetically active radiation (PAR) from the constant ratio of the global solar radiation for six selected tropical ecological zones between 4.40°N and 13.03°N of Nigeria (Port Harcourt, Enugu,...

Open access Research Article 10.9734/JGEESI/2016/27945

Modelling and Estimating Photosynthetically Active Radiation from Measured Global Solar Radiation at Calabar, Nigeria

Sunday E. Etuk, Okechukwu E. Agbasi & Nwokolo C. Samuel · Physical Science International Journal · 2016

In this research paper, measured monthly average daily radiometric data for global solar radiation on the horizontal surfaces and atmospheric parameters including relative humidity, sunshine hours, dew point temperature as well as the ambient temperatures (minimum and maximum) at...

Open access Research Article 10.9734/PSIJ/2016/28446