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Akademický článek

From soil to sea: sources and transport of organic carbon traced by tetraether lipids in the monsoonal Godavari River, India

Autor: F. M. S. A. Kirkels, H. M. Zwart, M. O. Usman, S. Hou, C. Ponton, L. Giosan, T. I. Eglinton, F. Peterse

Publikováno v: Biogeosciences, Vol 19, Pp 3979-4010 (2022)

Monsoonal rivers play an important role in the land-to-sea transport of soil-derived organic carbon (OC). However, spatial and temporal variation in the concentration, composition, and fate of this OC in these rivers remains poorly understood. We inv

Externí odkaz: https://doaj.org/article/5ee6390d4f284c7694476cec04690615

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Akademický článek

Carbon isotopic ratios of modern C3 and C4 vegetation on the Indian peninsula and changes along the plant–soil–river continuum – implications for vegetation reconstructions

Autor: F. M. S. A. Kirkels, H. J. de Boer, P. Concha Hernández, C. R. T. Martes, M. T. J. van der Meer, S. Basu, M. O. Usman, F. Peterse

Publikováno v: Biogeosciences, Vol 19, Pp 4107-4127 (2022)

The large difference in the fractionation of stable carbon isotopes between C3 and C4 plants is widely used in vegetation reconstructions, where the predominance of C3 plants suggests wetter and that of C4 plants drier conditions. The stable carbon i

Externí odkaz: https://doaj.org/article/4dd7b41fc51c4eefb86c0ad687311e06

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Akademický článek

Reconciling drainage and receiving basin signatures of the Godavari River system

Autor: M. O. Usman, F. M. S. A. Kirkels, H. M. Zwart, S. Basu, C. Ponton, T. M. Blattmann, M. Ploetze, N. Haghipour, C. McIntyre, F. Peterse, M. Lupker, L. Giosan, T. I. Eglinton

Publikováno v: Biogeosciences, Vol 15, Pp 3357-3375 (2018)

The modern-day Godavari River transports large amounts of sediment (170 Tg per year) and terrestrial organic carbon (OCterr; 1.5 Tg per year) from peninsular India to the Bay of Bengal. The flux and nature of OCterr is considered to have varied i

Externí odkaz: https://doaj.org/article/f1cf6a82633448d09431ea7bda65e938

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Arrow injury to the skull base

Autor: M. O. Usman, A. O. Ogunleye, K. J. Ayodele, Amos Olufemi Adeleye, Matthew T Shokunbi

Publikováno v: West African Journal of Medicine; Vol 23, No 1 (2004); 94-96

An unsual case of penetrating nasal injury with middle skull base involvement, from fired arrow is reported. The arrow was surgically removed and the patient remains well with no sequelae. We therefore present this case because of its rarity. The ana

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3df9ca60b5e934311df6308a27da9f4
https://doi.org/10.4314/wajm.v23i1.28095

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