Zobrazeno 1 - 10
of 77
pro vyhledávání: '"P. Kganyago"'
Publikováno v:
Environmental Systems Research, Vol 13, Iss 1, Pp 1-20 (2024)
Abstract The proliferation of non-native plant species has caused significant changes in global ecosystems, leading to a surge in international interest in the use of remote sensing technologies for both local and global detection applications. The G
Externí odkaz:
https://doaj.org/article/93bffaed21ca4bbc93b5ab35284fd720
Publikováno v:
Ecology and Evolution, Vol 14, Iss 9, Pp n/a-n/a (2024)
Abstract Globally, we are in the midst of a biodiversity crisis and megadiverse countries become key targets for conservation. South Africa, the only country in the world hosting three biodiversity hotspots within its borders, harbours a tremendous d
Externí odkaz:
https://doaj.org/article/00dc66b137784fe48973a825e5b4c713
Autor:
Vasileios Pavlidis, Mahlatse Kganyago, Mxolisi Mukhawana, Thomas Alexandridis, Ines Cherif, Giovanni Laneve, Riccardo Orsi, Stergios Kartsios, Maria Chara Karypidou, Ioannis Sofiadis, Eleni Katragkou
Publikováno v:
Climate Services, Vol 34, Iss , Pp 100463- (2024)
In this paper we present an operational system for drought monitoring and early warning over South Africa-Lesotho. The indicators used for the alert issuance are based on meteorological, agricultural and hydrological indices, assembled by satellite a
Externí odkaz:
https://doaj.org/article/341e661c9f714873b6eabdf0a7a672cf
Publikováno v:
CABI Agriculture and Bioscience, Vol 4, Iss 1, Pp 1-20 (2023)
Abstract Accurate and up-to-date crop-type maps are essential for efficient management and well-informed decision-making, allowing accurate planning and execution of agricultural operations in the horticultural sector. The assessment of crop-related
Externí odkaz:
https://doaj.org/article/c0de857f7e3745db8035bd67d2bc0f6b
Publikováno v:
PLoS ONE, Vol 19, Iss 8, p e0308484 (2024)
Atmospheric nitrogen dioxide (NO2) pollution is a major health and social challenge in South African induced mainly by fossil fuel combustions for power generation, transportation and domestic biomass burning for indoor activities. The pollution leve
Externí odkaz:
https://doaj.org/article/f4b4ad5d044248aa9767f0129de8c826
Publikováno v:
Geocarto International, Vol 39, Iss 1 (2024)
AbstractThis study presents a novel Spectral Triad feature selection (STfs) technique based on music theory and compares it to the entire Sentinel-2 feature space and Random Forest-Recursive Feature Elimination (RF-RFE). The optimal subsets were eval
Externí odkaz:
https://doaj.org/article/bc64413e5e4e448ababcaa1eed1e82da
Publikováno v:
Geocarto International, Vol 39, Iss 1 (2024)
AbstractMethane (CH4) is the second most abundant anthropogenic greenhouse gas after carbon dioxide (CO2), accounting for about 20% of global emissions. CH4 anthropogenic emission sources include landfills, oil and natural gas systems, agricultural a
Externí odkaz:
https://doaj.org/article/029521258dea4043a3bbc3bba8435bc1
Autor:
Mahlatse Kganyago, Georgios Ovakoglou, Paidamwoyo Mhangara, Clement Adjorlolo, Thomas Alexandridis, Giovanni Laneve, Juan Suarez Beltran
Publikováno v:
GIScience & Remote Sensing, Vol 60, Iss 1 (2023)
Wide field-of-view (FOV) sensors such as Sentinel-2 exhibit per-pixel view and illumination geometry variation that may influence the retrieval accuracy of essential crop biophysical and biochemical variables (BVs) for precision agriculture. However,
Externí odkaz:
https://doaj.org/article/ef88ee8a84564644a73814064334d6d1
Akademický článek
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Publikováno v:
Geocarto International, Vol 37, Iss 27, Pp 16654-16670 (2022)
AbstractIn southern Africa, drier conditions are more pronounced during the El Niño Southern Oscillation (ENSO) years, triggering wildfire activity and extreme drought conditions which, individually or together, lead to loss of crop productivity, de
Externí odkaz:
https://doaj.org/article/2a01dc2625d6449fa05646c97cd31b81