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The Variability of Partial Pressure of Carbon Dioxide (pCO2) in a River-Influenced Coastal Upwelling System: A Case of the Northeast Pacific Coast

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Journal of Geoscience and Environment Protection 2021年第7期9卷 133-148页

作者： Charles Izuma Addey Zong-Pei Jiang Jianfang Chen Ademolawa John Afelumo babatunde rasheed adesina Abiola John Osanyintuyi Department of Marine Science Ocean College Zhejiang University Zhoushan China Key Laboratory of Marine Ecosystem and Biogeochemistry Second Institute of Oceanography State Oceanic Administration Hang-zhou China Institute of Port Coastal and Offshore Engineering Ocean College Zhejiang University Zhoushan China Department of Marine Science and Technology Federal University of Technology Akure Nigeria College of Marine Geosciences Ocean University of China Qingdao China

The Northeast Pacific coastal ocean, as a typical river-influenced coastal upwelling system, is characterized by significant variability of sea surface partial pressure of carbon dioxide (pCO2, 1000 μatm). This study reviewed the pCO2 variability and its underlying controlling mechanism in this highly dynamic region by bringing together previous scientific findings and historical data. The large pCO2 variability reflects the complex interactions between physical processes (riverine input and coastal upwelling) and the biological responses to the nutrient transportation associated with these physical processes, while temperature and air-sea gas exchange play a minor role in affecting pCO2. Both the river water and upwelled subsurface water are characterized by higher concentrations of pCO2

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Information Use and Knowledge of HIV/Hepatitis B Co-Infection in Lagos, Nigeria

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Health 2019年第6期11卷 671-682页

作者： Evaristus adesina Olusola Oyero Nelson Okorie Lanre Amodu Oladokun Omojola babatunde Adeyeye Department of Mass Communication Covenant University Ota Nigeria

Achieving the Sustainable Development Goal 3.3 is hinged on effective use of information sources for health communication interventions. This study investigated the knowledge of residents of Lagos Nigeria on HIV/HBV co-infection and the use of information sources. The study adopted the quantitative research method of survey to find out the knowledge level of residents of Lagos, Nigeria on the HIV/HBV co-infection. While the bivariate analysis presented cross tabular data on knowledge level, the multivariate was used to test highlight the hypothesis. The study indicated that more than 75% of the respondents had heard of HIV and HBV co-infection. The result established a significant relationship between the use of information sources and the knowledge on HBV/HIV co-infection. Despite the knowledge on HBV/HIV co-infection, the study concluded on the need for preventive information campaigns to create awareness to mitigate the increasing cases of HBV/HIV co-infection cum motivates individuals toward healthy lifestyle practices.

关键词： Hepatitis B Human Immunodeficiency Virus Information Use Knowledge Nigeria

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