The aim of the study is to comparatively assess the concentrations of lead, zinc and iron in Rivers Ase, Warri and Ethiope, in Nigeria. Monthly water samples were collected from six randomly selected sites along the r...The aim of the study is to comparatively assess the concentrations of lead, zinc and iron in Rivers Ase, Warri and Ethiope, in Nigeria. Monthly water samples were collected from six randomly selected sites along the rivers course. 72 water samples were collected from each river at 0 - 15 cm depths. Samples were analysed based on the standard methods recommended by the WHO for testing lead, zinc and iron. The assessment of the water quality was done using the Water Quality Index (WQI) of the Canadian Council of Ministers of the Environment (CCME-WQI). While hypotheses were tested using ANOVA. Findings indicated that CCME-WQI values were 47.3, 66.52 and 78.7. This meant that the water quality of River Ase is impaired and departed from desirable levels, while that of Warri and Ethiope were considered to occasionally be impaired and depart from desirable levels. The ANOVA model showed that there is a significant variation in heavy metal load in the selected rivers at P < 0.05. River water was put to domestic uses such as drinking (20.5%) preparing food (17.8%), bathing (19.8%), washing clothes and dishes (21.3%), brushing teeth (13.3%), and catering for domestic animals (7.5%). Poverty (49.5%) was the major reason for the use of river water for domestic purposes. The locals highlighted that they usually suffer from cholera (26.8%), diarrhoea (25.8%), dysentery (24%) and typhoid (23.5%) as a result of using the river water. The study recommended routine monitoring of anthropogenic and geologic activities, testing of the water regularly amongst others.展开更多
This study examines the perception of pollution in Rivers state, to find out the inhabitants opinion of how the government is handling pollution in the area. The study used the survey research design and primary data ...This study examines the perception of pollution in Rivers state, to find out the inhabitants opinion of how the government is handling pollution in the area. The study used the survey research design and primary data which were collected using copies of questionnaire were the main data used for the study. Data collected were presented using tables and statistical diagrams, while data analysis was achieved using the welch statistics. It was observed that 37.75% of the respondents suggested that the air quality in the area is very bad, suggesting that they were suffering as a result. The main sources of environmental pollution were petroleum refining (44.25%), illegal refining of petroleum products (52.75%) and fumes from vehicles (46%). Also noted was that vast majority of inhabitants (86.75%) were willing to partake in the cleaner environmental process, but they stated that the government was not forceful enough to achieve the pollution free environment in the area. The welch statistics identified that there was no statistically significant difference in the perception of polluted environment in the area at P > 0.05. The study as a result of the findings advocates partnership between government, individuals and NGOs to achieve cleaner and safer environment in the area.展开更多
The study examined Monthly Variability of selected weather elements in the Portharcourt urban enclaves,Rivers State,Nigeria from 2010 to 2020.Monthly weather data for 2010 to 2020 on temperature,rainfall,relative humi...The study examined Monthly Variability of selected weather elements in the Portharcourt urban enclaves,Rivers State,Nigeria from 2010 to 2020.Monthly weather data for 2010 to 2020 on temperature,rainfall,relative humidity and wind speed were obtained from Nigerian Meteorological Agency(NIMET)and used for the study.Both descriptive and inferential statistics were used for data analyses.Findings showed that mean monthly rainfall,relative humidity,tem-perature and wind speed were 2085.06 mm,77.01%,27.93℃ and 2.30 m/s re-spectively.The trend analysis shows that rainfall increased at the rate of 57.73 mm from January to December while relative humidity increased at the rate of 1.4846%.Monthly temperature was decreasing at the rate of 0.1075℃ and wind speed was also decreasing at the rate of 0.0562 m/s.The study concluded that the monthly rainfall,relative humidity and temperature varied signifi-cantly from January to December,due to natural and anthropogenic factors,while the wind speed was not varied,due to terrain and pressure gradient char-acteristics which are similar across the area.The month of highest rainfall was June,temperature was February,relative humidity was September and wind speed was August.The study recommended that more periodic monitoring studies are required to give in-depth knowledge about the variability in the weather parameters in Portharcourt Metropolis.Additionally,more studies on the influence of the seasons and land-use types on climate parameters should be initiated in the area.展开更多
文摘The aim of the study is to comparatively assess the concentrations of lead, zinc and iron in Rivers Ase, Warri and Ethiope, in Nigeria. Monthly water samples were collected from six randomly selected sites along the rivers course. 72 water samples were collected from each river at 0 - 15 cm depths. Samples were analysed based on the standard methods recommended by the WHO for testing lead, zinc and iron. The assessment of the water quality was done using the Water Quality Index (WQI) of the Canadian Council of Ministers of the Environment (CCME-WQI). While hypotheses were tested using ANOVA. Findings indicated that CCME-WQI values were 47.3, 66.52 and 78.7. This meant that the water quality of River Ase is impaired and departed from desirable levels, while that of Warri and Ethiope were considered to occasionally be impaired and depart from desirable levels. The ANOVA model showed that there is a significant variation in heavy metal load in the selected rivers at P < 0.05. River water was put to domestic uses such as drinking (20.5%) preparing food (17.8%), bathing (19.8%), washing clothes and dishes (21.3%), brushing teeth (13.3%), and catering for domestic animals (7.5%). Poverty (49.5%) was the major reason for the use of river water for domestic purposes. The locals highlighted that they usually suffer from cholera (26.8%), diarrhoea (25.8%), dysentery (24%) and typhoid (23.5%) as a result of using the river water. The study recommended routine monitoring of anthropogenic and geologic activities, testing of the water regularly amongst others.
文摘This study examines the perception of pollution in Rivers state, to find out the inhabitants opinion of how the government is handling pollution in the area. The study used the survey research design and primary data which were collected using copies of questionnaire were the main data used for the study. Data collected were presented using tables and statistical diagrams, while data analysis was achieved using the welch statistics. It was observed that 37.75% of the respondents suggested that the air quality in the area is very bad, suggesting that they were suffering as a result. The main sources of environmental pollution were petroleum refining (44.25%), illegal refining of petroleum products (52.75%) and fumes from vehicles (46%). Also noted was that vast majority of inhabitants (86.75%) were willing to partake in the cleaner environmental process, but they stated that the government was not forceful enough to achieve the pollution free environment in the area. The welch statistics identified that there was no statistically significant difference in the perception of polluted environment in the area at P > 0.05. The study as a result of the findings advocates partnership between government, individuals and NGOs to achieve cleaner and safer environment in the area.
文摘The study examined Monthly Variability of selected weather elements in the Portharcourt urban enclaves,Rivers State,Nigeria from 2010 to 2020.Monthly weather data for 2010 to 2020 on temperature,rainfall,relative humidity and wind speed were obtained from Nigerian Meteorological Agency(NIMET)and used for the study.Both descriptive and inferential statistics were used for data analyses.Findings showed that mean monthly rainfall,relative humidity,tem-perature and wind speed were 2085.06 mm,77.01%,27.93℃ and 2.30 m/s re-spectively.The trend analysis shows that rainfall increased at the rate of 57.73 mm from January to December while relative humidity increased at the rate of 1.4846%.Monthly temperature was decreasing at the rate of 0.1075℃ and wind speed was also decreasing at the rate of 0.0562 m/s.The study concluded that the monthly rainfall,relative humidity and temperature varied signifi-cantly from January to December,due to natural and anthropogenic factors,while the wind speed was not varied,due to terrain and pressure gradient char-acteristics which are similar across the area.The month of highest rainfall was June,temperature was February,relative humidity was September and wind speed was August.The study recommended that more periodic monitoring studies are required to give in-depth knowledge about the variability in the weather parameters in Portharcourt Metropolis.Additionally,more studies on the influence of the seasons and land-use types on climate parameters should be initiated in the area.
