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Akademický článek

Greenhouse gas column observations from a portable spectrometer in Uganda

Autor: N. Humpage, H. Boesch, W. Okello, J. Chen, F. Dietrich, M. F. Lunt, L. Feng, P. I. Palmer, F. Hase

Publikováno v: Atmospheric Measurement Techniques, Vol 17, Pp 5679-5707 (2024)

The extensive terrestrial ecosystems of tropical Africa are a significant store of carbon and play a key but uncertain role in the atmospheric budgets of carbon dioxide and methane. As ground-based observations in the tropics are scarce compared with

Externí odkaz: https://doaj.org/article/0f14e3b684bc487a81e521650fcb17d2

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Akademický článek

Methane paradox in tropical lakes? Sedimentary fluxes rather than pelagic production in oxic conditions sustain methanotrophy and emissions to the atmosphere

Autor: C. Morana, S. Bouillon, V. Nolla-Ardèvol, F. A. E. Roland, W. Okello, J.-P. Descy, A. Nankabirwa, E. Nabafu, D. Springael, A. V. Borges

Publikováno v: Biogeosciences, Vol 17, Pp 5209-5221 (2020)

Despite growing evidence that methane (CH4) formation could also occur in well-oxygenated surface fresh waters, its significance at the ecosystem scale is uncertain. Empirical models based on data gathered at high latitude predict that the contributi

Externí odkaz: https://doaj.org/article/1804c194ff2d4828b7dcc508e12c372a

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Akademický článek

Public perception and suggestions to improve air quality justice: the case of uMhlathuze Local Municipality, South Africa

Autor: Nick O. Okello, Tom W. Okello, Mark Zunckel

Publikováno v: Clean Air Journal, Vol 30, Iss 1 (2020)

Whereas industrial growth is instrumental in unlocking poverty and advancing development, often, the effect of pollution on the environment, particularly air quality, is seldom accurately predicted. The effects, which include mortality, morbidity, an

Externí odkaz: https://doaj.org/article/2797313bd7244e4f93b3c87a73f1622b

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Akademický článek

Changes in health risk associated with air pollution and policy response effectiveness, Richards Bay, South Africa

Autor: Nick O. Okello, Tom W. Okello, Mark Zunckel

Publikováno v: Clean Air Journal, Vol 30, Iss 1 (2020)

Lung and bronchus cancer, asthma, acute lower respiratory infections (ALRI), ischemic heart diseases (IHD), cerebrovascular diseases (CEV) are disorders that have been widely associated with air pollution. More so, research shows that more than 5.5 m

Externí odkaz: https://doaj.org/article/f1faa9625eef4c318badb6186b08e417

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Akademický článek

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Akademický článek

Spatial and Temporal Trends of PM₁₀ and SO₂ in the Richards Bay Area

Autor: Nick O. Okello, Sandy Camminga, Tom W. Okello, Mark Zunckel

Publikováno v: Clean Air Journal, Vol 28, Iss 2 (2018)

Air pollution is a public health emergency (WHO, 2016a). It is the biggest environmental risk to health with a global responsibility for about 1 in 9 deaths annually. In 2013, Statistics SA indicated that 10 % of all deaths in South Africa were attri

Externí odkaz: https://doaj.org/article/2c7b0110c9f84188878669528dd77253

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Development of post-fire vegetation response-ability model in grassland mountainous ecosystem using GIS and remote sensing

Autor: Samuel Adelabu, Tom W. Okello, Efosa Adagbasa

Publikováno v: ISPRS Journal of Photogrammetry and Remote Sensing. 164:173-183

The mountainous grassland ecosystem in Golden Gate National Park (South Africa) has post-fire ecological resilience. However, vegetation species composition and structure can alter when the ecosystem continually has uncontrolled fires. This study dev

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7c9755280489c7d12159c9b0071e6c2b
https://doi.org/10.1016/j.isprsjprs.2020.04.006

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