Global carbon cycling has long been recognized as a fundamental control on Earth’s evolution, driving changes in both the deep Earth and our surface environment. Yet our knowledge of the carbon cycle in the past and present is ultimately limited by our ability to constrain the m…
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One of the most important mechanisms of foamy oil is the solvents’ non-equilibrium dissolution and exsolution behavior. Therefore, the real-time capturing of these dynamic properties is crucial in analyzing how foamy oil evolves under non-equilibrium state. In this research, var…
Inland waters play an important role in the transport, transformation, loss and storage of carbon (C) and nitrogen (N) in the pathway between terrestrial and marine systems. Inland waters can act as both sources to the atmosphere through evasion of GHGs such as CO2, CH4 and N2O,…
The synthesis of a scandium aluminium methylphosphonate ScAl₃(CH₃PO₃)₆ isostructural to the aluminium methylphosphonate AlMePO-α and with permanent microporosity is reported here for the first time. Structural characterisation of three lanthanide bisphosphonate structures (I,II,…
Several heterogeneously catalysed reactions have been studied at pressures above and below the critical pressure of carbon dioxide in both carbon dioxide and nitrogen. The purpose of this study was to ascertain if carbon dioxide above its critical pressure and temperature would …
This work investigated the synthesis, characterisation and properties of known and novel scandium carboxylate Metal-organic Frameworks (MOFs). The first part reports the performance of these Sc-MOFs as Lewis acid catalysts. The porous MOF scandium trimesate MIL-100(Sc) and the s…
The separation of the expensive catalysts from the solvent and reaction products remains one of the major disadvantages of homogeneous catalytic reactions, which are otherwise advantageous because of their high activity, tuneable selectivity and ease of study. Ideally, the homog…
Efficiency of particulate semiconductors for driving photocatalytic reactions is impractically low due to the recombination of excited carriers and intermediate species at the interface. In the literature it has been demonstrated internal depolarisation fields in ferroelectric m…
Coastal wetlands across the Southeastern U.S. coastline are among the most productive ecosystems worldwide, but are expected to experience challenges due to human alterations of the landscape, sea-level rise, and changing frequency of extreme events. Wetlands provide critical ec…
Climate change is one of the major challenges of our current era. The amount of greenhouse gas emissions produced by anthropogenic sources has steadily increased since the industrial revolution, in particular CO 2 , which reached a maximum historical concentration of 409.8 ppm i…
The existing regional sustainable development measurement approaches have some limitations. (1) Regional sustainability performance is severely affected by the external environment (natural conditions, culture, religion, etc.) and the internal structure of the study region. (2) …
This research aims to look at dietary practices of separate populations from across the Adriatic Sea (Italy and Croatia). Paleodietary studies through stable isotope analysis is a means to look at possible food catchments chosen by past communities in order to make educated assu…
Alfalfa (Medicago sativa L.)/perennial bunchgrass hay is grown on marginal soils in the Central High Plains. This region has recently been experiencing frequent droughts. Information on the effects of variation in precipitation on soil nitrogen (N) cycling, greenhouse gas (GHG) …
Delhi Field is a producing oil field located in northeastern Louisiana. The estimated original oil in place (OOIP) is 357 mmbo and approximately 54% of OOIP has been produced through the primary production and water-flooding. A CO2-EOR program has been implemented since November…
Electrochemical reduction of carbon dioxide (ERC) is an elegant method to abate global warming by chemically fixing a major green house gas (GHG), carbon dioxide (CO2). Major synthesis products include economically attractive chemicals like methanol, formic acid methane and ethy…
Over several decades of water flooding development, quite a few Minnelusa reservoirs are getting close to the economic limit of the secondary recovery. High heterogeneity, the typical characteristic of the Minnelusa reservoirs plus complex salinity distribution is challenging th…
Studies were conducted to determine the distribution and abundance of the southern buffalo gnat, Cnephia pecuarum, in Arkansas. Field collections determined adult occurrence in 24 counties in southern and eastern Arkansas. Greatest adult density was 7,160 gnats/24 hr. Seasonal o…
A major limitation in quantifying terrestrial carbon storage and predicting its sensitivity to climate change stems from our inability to separate CO2 uptake during photosynthesis from its release during respiration. To better predict the feedback between climatic changes and pr…
The arc exhumation hypothesis states that new basalt-rich sources lifted during arc-continent collisions cause atmospheric PCO\sb2 drawdown and global cooling. Drawdown lags the early release of CO\sb2 and ¹⁸⁷Os from uplifted continental margin sediments. It generally precedes r…