Earth and related environmental sciences topic list of research papers
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Characterisation of a high resolution small field of view portable gamma camera
Abstract A handheld, high-resolution small field of view (SFOV) pinhole gamma camera has been characterised using a new set of protocols adapted from standards previously developed for large field of view (LFOV) systems. Parameters investigated...
2013 / S.L. Bugby, J.E. Lees, B.S. Bhatia, A.C. Perkins -
Dynamic Models of CO2 Injection in the Surat and Bowen Basins, Queensland, Australia
Abstract In three radial models (typical of the Trelinga-1, Overston-1 and Moonie-39 wells) with boundaries placed at different distances, injection rates of 2 million tonnes per annum (Mt/a) cannot be sustained. In larger sector models, (with...
2013 / S. Hurter, A. Garnett, P. Probst, Y. Pamukcu, S. Gonzalez, et al. -
Consideration of the Cavitation Characteristics of Shut-off Valves in Numerical Modelling of Hydraulic Transients in Pipelines with Column Separation
Abstract The paper presents the results of calculations of the water-hammer course accompanied by the column separation caused by a rapid closure of the butterfly valve. The computational method takes into account the cavitation characteristics of...
2014 / A. Adamkowski, M. Lewandowski -
Flushing Planner: A Tool for Planning and Optimization of Unidirectional Flushing
Abstract Unidirectional flushing is a technique for periodic cleaning of water supply pipes to remove deposits and may also be an important response to contamination of drinking water networks. For unidirectional flushing the defined flushing path...
2014 / J. Deuerlein, A.R. Simpson, A. Korth -
The Study on Prospect and Early Opportunities for Carbon Capture and Storage in Guangdong Province, China
Abstract CCS is regarded as an important and strategic technology option to reduce CO2 emission, and has received tremendous attention around the world. Guangdong, as the largest economic and energy-consuming province in China, is necessary to take...
2013 / Ying Huang, Hongxu Guo, Cuiping Liao, Daiqing Zhao -
Arsenic Cadmium and Lead Concentrations in Sediment and Biota from Songkhla Lake: A Review
Abstract This article reviews the existing data on trace elements (Arsenic (As), Cadmium (Cd) and Lead (Pb)) in sediments and biota from Songkhla Lake, a shallow coastal lagoon in Southern of Thailand between 1998 and 2012. At present, the situation ...
2013 / Siriporn Pradit, Manasawan S. Pattarathomrong, Suwanna Panutrakul -
New Certification Framework for Carbon Dioxide Storage Sites
Abstract This paper introduces a new certification framework for carbon dioxide storage sites published by DNV in 2012, Service Specification (DSS) 402. This framework is supported by Recommended Practice DNV-RP-J203 that describes a system for the...
2013 / Mike Carpenter, Jørg Aarnes -
Brominated organic species in the Arctic atmosphere2008 / Walter W. Berg, Leroy E. Heidt, Walter Pollock, Paul D. Sperry, Ralph J. Cicerone, et al.
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Interacting Multiple Model Algorithm with the Unscented Particle Filter (UPF)
Abstract Combining interacting multiple model (IMM) and unscented particle filter (UPF), a new multiple model filtering algorithm is presented. Multiple models can be adapted to targets' high maneuvering. Particle filter can be used to deal with the ...
2011 / Xiao-long DENG, Jian-ying XIE, Hong-wei NI -
Concentrating Solar Power Using Parabolic Trough, (Pilot Project in Islamic University of Gaza)
Abstract Today the world trends toward the non conventional energy resources such as solar energy which is replacing the repercussions resulted from the using of conventional energy. The biggest advantage of solar energy compared with other forms of ...
2013 / Y. Mogheir, M. Abu Tayef, S. Gabayen, A. Abu Foul -
The dilemma of the Jiaodong gold deposits: Are they unique?
Abstract The ca. 126–120 Ma Au deposits of the Jiaodong Peninsula, eastern China, define the country's largest gold province with an overall endowment estimated as >3000 t Au. The vein and disseminated ores are hosted by NE- to NNE-trending...
2013 / Richard J. Goldfarb, M. Santosh -
A Holistic Multi-Tiered Approach to Off-Grid Energy Provision using Solar PV
Abstract Renewable energy systems (RES), especially solar PV, are being diffused to rural communities to improve energy access. The sustainability of these systems is, however, becoming increasingly relevant. In this paper, the issues of appropriate ...
2013 / George William Hong, Naoya Abe -
Evaluating the efficiency of environmental monitoring programs
Abstract Statistical uncertainty analyses can be used to improve the efficiency of environmental monitoring, allowing sampling designs to maximize information gained relative to resources required for data collection and analysis. In this paper, we...
2014 / Carrie R. Levine, Ruth D. Yanai, Gregory G. Lampman, Douglas A. Burns, Charles T. Driscoll, et al. -
Shear Bond Strength of Aged Dental Amalgam Repaired with Composite
Abstract Objectives The objective of this study was to evaluate the effect of surface treatment and adhesive agent on the shear bond strength between a resin composite and an aged dental amalgam (356-days). ...
2012 / Jaime Portugal, Paula Marques, Luís Jardim, Jorge Leitão -
Biomass fuel use and the exposure of children to particulate air pollution in southern Nepal
Abstract The exposure of children to air pollution in low resource settings is believed to be high because of the common use of biomass fuels for cooking. We used microenvironment sampling to estimate the respirable fraction of air pollution...
2014 / D. Devakumar, S. Semple, D. Osrin, S.K. Yadav, O.P. Kurmi, et al. -
Evaluation of CO2 Underground Behavior from Injector's Time-lapse Pressure Fall off Analysis: A Case Study of CO2 Aquifer Storage Project
Abstract This paper introduces the result of injector's bottom-hole pressure data analysis and the simulation model study of the Nagaoka CO2 sequestration project. The Nagaoka project is the first pilot-scale CO2 sequestration test ...
2013 / Mayu Otake -
Simulation Methods of a System Dynamics Model for Efficient Operations and Planning of Capacity Expansion of Activated-sludge Wastewater Treatment Plants
Abstract In this study, simulation methods of a system dynamics model for activated-sludge wastewater treatment plants were developed. A wastewater treatment plant in South Korea was chosen for these analyses. For existing conditions, the analyses...
2014 / S. Park, B.-J. Kim, S.-Y. Jung -
CO2/EOR and Geological Carbon Storage Resource Potential in the Niagaran Pinnacle Reef Trend, Lower Michigan, USA
Abstract Early Silurian age, Niagaran pinnacle reef trend (NPRT) oil fields in the Guelph Formation in Northern Lower Michigan (NNPRT) comprise a giant oil province with nearly 63.6 million cubic meters (Mm3) of cumulative petroleum and 680 billion...
2013 / David Barnes, Bill Harrison, G. Michael Grammer, Jason Asmus -
Modeling of Chlorine Decay in Drinking Water Supply Systems Using EPANET MSX
Abstract The modelling of chlorine residual in water supply systems is of great importance in managing disinfectant concentrations throughout the network. First order decay kinetics are currently often used to describe both bulk and wall chlorine...
2014 / L. Monteiro, D. Figueiredo, S. Dias, R. Freitas, D. Covas, et al. -
Human influence on changes in the distribution of land precipitation
Summary The evolution of the distribution of observed land precipitation over 1901–2010 and 1979–2010 is analyzed and compared with 14 simulations from the CMIP5 climate models. Firstly, two different quantile-based mapping methods are used to...
2014 / Ramdane Alkama