476
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Publications
476 publication(s) trouvée(s)
Article scientifique
Review of top notch electrode arrays for geoelectrical resistivity surveys
The different arrangements of electrodes used in geoelectrical resistivity surveys and measurements are referred to as electrode arrays. In this …
Article scientifique
Geophysical investigation of resistivity and groundwater quality in Ogbe-Ijoh coastal area of the western Niger Delta of Nigeria
Abstract Groundwater quality assessment is essential for groundwater resource management, especially as it concerns the health of those that consume …
Article scientifique
Eco-hydrology and the effects on the national economy: case of the eastern region of Abakaliki Anticlinorium, Southeastern Nigeria
Abstract The area was mineralized, yet it is an agricultural settlement. Histories of water hardness and local migration of connate …
Article scientifique
Fine-scale vertical structure of sound-scattering layers over an east border upwelling system and its relationship to pelagic habitat characteristics
Abstract. Understanding the relationship between sound-scattering layers (SSLs) and pelagic habitat characteristics is a substantial step to apprehend ecosystem dynamics. …
Article scientifique
Pollution potential and causative hydrogeochemical processes in unconfined aquifer systems in a typical urban setting: emphasis on recharge and discharge areas
Abstract The inhabitants of Akure Metropolis, south-western Nigeria, depend solely on groundwater for their domestic, industrial and irrigation purposes. There …
Article scientifique
The only complete articulated early Miocene chameleon skull (Rusinga Island, Kenya) suggests an African origin for Madagascar’s endemic chameleons
We here present the first detailed study of the specimen KNM-RU 18340 from Rusinga Island (Kenya), the only known complete …
Article scientifique
Novel Endocranial Data on the Early Therocephalian Lycosuchus vanderrieti Underpin High Character Variability in Early Theriodont Evolution
Therocephalia is one of the major therapsid clades and ranges from the middle Permian to Middle Triassic. The earliest therocephalians …
Article scientifique
Tracking the Pliensbachian–Toarcian Karoo firewalkers: Trackways of quadruped and biped dinosaurs and mammaliaforms
The Karoo igneous rocks represent one of the largest continental flood basalt events (by volume) on Earth, and are not …
Article scientifique
Flux variability of phyto- and zooplankton communities in the Mauritanian coastal upwelling between 2003 and 2008
Abstract. Continuous multiyear records of sediment-trap-gained microorganism fluxes are scarce. Such studies are important to identify and to understand the …
Article scientifique
Environmental controls on marine productivity near Cape St. Francis, South Africa
Abstract. This study considers ocean–atmosphere influences on marine productivity over the shelf near Cape St. Francis, South Africa. Multiday estimates …
Article scientifique
Benthic foraminifera indicate Glacial North Pacific Intermediate Water and reduced primary productivity over Bowers Ridge, Bering Sea, since the Mid-Brunhes Transition
Abstract. The Mid-Brunhes Transition (MBT) saw an increase in the amplitude of glacial cycles expressed in ice core and deep …
Article scientifique
Acid-base adjustments and first evidence of denticle corrosion caused by ocean acidification conditions in a demersal shark species
) by the year 2300. Acute hypercapnia already occurs along the South African west and south coasts due to upwelling- …
Article scientifique
Evidence for a dominantly reducing Archaean ambient mantle from two redox proxies, and low oxygen fugacity of deeply subducted oceanic crust
Abstract Oxygen fugacity (ƒO 2 ) is an intensive variable implicated in a range of processes that have shaped the …
Article scientifique
Multidisciplinary Observing in the World Ocean’s Oxygen Minimum Zone Regions: From Climate to Fish — The VOICE Initiative
Multidisciplinary ocean observing activities provide critical ocean information to satisfy ever-changing socio-economic needs, and require coordinated implementation. The upper oxycline …
Article scientifique
Geophysical assessment of aquifer vulnerability and management: a case study of University of Nigeria, Nsukka, Enugu State
Abstract Seventeen vertical electrical soundings and seven electrical resistivity tomography profiles were carried out at the University of Nigeria, Nsukka, …
Article scientifique
Remote biomass burning dominates southern West African air pollution during the monsoon
Abstract. Vast stretches of agricultural land in southern and central Africa are burnt between June and September each year, which …
Article scientifique
Distribution, Interaction and Functional Profiles of Epiphytic Bacterial Communities from the Rocky Intertidal Seaweeds, South Africa
Interrelations between epiphytic bacteria and macroalgae are multifaceted and complicated, though little is known about the community structure, interaction and …
Article scientifique
Trichopolydesmidae from Cameroon, 2: A species-level reclassification of Afrotropical trichopolydesmids (Diplopoda, Polydesmida), with two new species and two new records from Cameroon, and two new species from the Nimba Mountains, Guinea
A revised classification of Afrotropical Trichopolydesmidae is presented. The fauna presently contains as many as 52 species in six recognized …
Article scientifique
Gnathia bermudensis (Crustacea, Isopoda, Gnathiidae), a new species from the mesophotic reefs of Bermuda, with a key to Gnathia from the Greater Caribbean biogeographic region
Gnathia bermudensissp. nov. is described from mesophotic coral ecosystems in Bermuda; it is distinguished by pronounced and pointed supraocular lobes, …
Article scientifique
Seismic reflection pattern and attribute analysis as a tool for defining reservoir architecture in ‘SABALO’ field, deepwater Niger Delta
Abstract An accurate definition of environment of sediment deposition is a sine qua non for characterizing and providing measures for …