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Published Articles

Determination of Carbondioxide and Methane Concentartions along Nworie River, Imo State, Nigeria

Autors:   Verla Andrew Wirnkor, Anyanwu Ogechi, Verla Evelyn Ngozi

Date:   May 11, 2020

Edition:   April 2021 Edition

Volume:  2

  Issue:  1

  Pages:  7 (12 - 18)


This study investigated the concentration of carbondioxide (CO2) and methane (CH4), temperature and relative humidity on wetlands along Nworie River in Owerri. Data were collected from field survey of six sampling points on the wetlands using handheld AZ 77535 CO2 analyzer and JCB4 gas analyzers. The results showed maximum mean concentration of 703.71 ppm at point A and minimum mean concentration of 676.27 ppm at point E for CO2; maximum mean concentration of 0.17 ppm and minimum of 0.16 ppm for CH4 at 27.91 oC mean temperature and 88.37 % mean relative humidity. The significant concentration of ambient CO2 and CH4 found at the sampling point could result from the high level of human activity on the wetlands along Nworie River. The study recommends that Environmental Protection Agency could carry out regular monitoring of the level of green house gases at the river and other rivers in Imo state to minimize contributions to global warming.

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