Unsealed roads and tracks are acknowledged as the major sources of sediment pollution in forested catchments. In particular, road to stream connectivity via gullied pathways as well as via diffuse overland flow can contribute to significant fine sediment inputs to forest streams....
Open access
Research Article10.9734/BJECC/2013/3174
A study to assess changes in the physical and chemical properties of soil in timber saw mill dumpsite was carried out in Abakaliki between 2007 and 2008. Results showed that soil textural class remained sandy loamy. The lowest soil bulk density of 1.34 and 1.20 g cm-3 were obtain...
Open access
Research Article10.9734/BJECC/2013/2038
This special issue “Impact of climate change on physical and biogeochemical processes in the hydrologic cycle” presents a collection of articles on interactions of climatic drivers and hydro-biogeochemical responses as well as the role of biogeochemical processes in controls and...
Open access
Research Article10.9734/BJECC/2013/6715
Aims: Soil black carbon (BC) has been shown to possess large amounts of cation exchange sites and surface charge, and is viewed as a potential soil amendment to improve nutrient retention and for pollutant remediation. This study investigated the nano-scale distribution of reacti...
Open access
Research Article10.9734/BJECC/2013/2267
Aims: This study is to evaluate the effect of petroleum crude oil contaminated soil on the mineral nutrient elements, soil properties and bacterial biomass of the rhizosphere of jojoba plants (Simmodsia chinensis). Methodology: A pot experiment was carried out. The soil was treat...
Open access
Research Article10.9734/BJECC/2013/2492
Aims: To determine whether addition of inorganic nitrogen (N) directly to maize litter (stalk and leaf) with differing tissue quality impacts litter and soil organic matter (SOM) decomposition. We tested whether N addition leads to 1) faster litter decomposition, 2) less SOM-C de...
Open access
Research Article10.9734/BJECC/2013/1640
Assessing the impacts of climate changes on water quality requires an understanding of the biogeochemical cycling of trace metals. Evidence from research on alluvial aquifers and coastal watersheds shows direct impacts of climate change on the fate and transformation of trace met...
Open access
Research Article10.9734/BJECC/2013/3061
This study investigates the potential change in the hydrologic cycle in Nzoia basin, one ofthe semi-arid basins of east Africa. An ensemble of 16 Global Climate Models data under different emissions scenarios are used in this study. The basin is expected to receive an increase in...
Open access
Research Article10.9734/BJECC/2013/1614
Aims: In this paper, we aim to assess different parameterization schemes for quantifying the surface energy portioning process, in particular, the latent and sensible heat fluxes, and their applicability to various surface cover types. Study Design: This study intercompares theor...
Open access
Research Article10.9734/BJECC/2013/3062
Aim: The Okavango Delta at Seronga is fragmented into different land uses ranging from grasslands to woodland (Ximenia and mopane), often punctuated with cropped and fallow fields. The influence of land uses on surface (A1 horizon) soil physico-characteristics, nitrogen, sulphur,...
Open access
Research Article10.9734/BJECC/2013/5758