Earth and related environmental sciences topic list of research papers
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Importance and Role of Cation Exchange Capacity on the Physicals Properties of the Cheliff Saline Soils (Algeria)
Abstract Measurements of the cation exchange capacity (CEC) show significant soil properties, in particular its ability to retain the cations because of their mobility in the soil. Thirteen soil samples rich in electrolytes of the Cheliff plain...
2012 / Djamel Saidi -
Hybrid optimization schemes for simulation-based problems
Abstract The inclusion of computer simulations in the study and design of complex engineering systems has created a need for efficient approaches to simulation-based optimization. For example, in water resources management problems, optimization...
2010 / G.A. Gray, K. Fowler, J.D. Griffin -
Untangling relative contributions of recent climate and CO 2 trends to national cereal production in China2012 / Wei Xiong, Ian Holman, Erda Lin, Declan Conway, Yue Li, et al.
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Characterization of spatial variability of soil physicochemical properties and its impact on Rhodes grass productivity
Abstract Characterization of soil properties is a key step in understanding the source of spatial variability in the productivity across agricultural fields. A study on a 16ha field located in the eastern region of Saudi Arabia was undertaken to...
2016 / E. Tola, K.A. Al-Gaadi, R. Madugundu, A.M. Zeyada, A.G. Kayad, et al. -
Geochemistry of hydrothermal gold deposits: A review
Abstract Mineral assemblages formed during hydrothermal alteration reflect the geochemical composition of ore-forming fluids. Gold is mainly transported in solution as Au–Cl and Au–S complexes. The change of physicochemical conditions such as...
2011 / Yongfeng Zhu, Fang An, Juanjuan Tan -
Effects of hydrocarbon generation on fluid flow in the Ordos Basin and its relationship to uranium mineralization
Abstract The Ordos Basin of North China is not only an important uranium mineralization province, but also a major producer of oil, gas and coal in China. The genetic relationship between uranium mineralization and hydrocarbons has been recognized...
2011 / Chunji Xue, Guoxiang Chi, Wei Xue -
A Parallel CFD Model for Wind Farms
Abstract We present a Computational Fluid Dynamics (CFD) modeling strategy for onshore wind farms aimed at predicting and opti- mizing the production of farms using a CFD model that includes meteorological data assimilation, complex terrain and wind ...
2013 / M. Avila, A. Folch, G. Houzeaux, B. Eguzkitza, L. Prieto, et al. -
Techniques of Remote Sensing and GIS for flood monitoring and damage assessment: A case study of Sindh province, Pakistan
Abstract Remote Sensing has made substantial contribution in flood monitoring and damage assessment that leads the disaster management authorities to contribute significantly. In this paper, techniques for mapping flood extent and assessing flood...
2012 / Mateeul Haq, Memon Akhtar, Sher Muhammad, Siddiqi Paras, Jillani Rahmatullah -
Utility of Landsat Image in the Study of Land Cover and Land Surface Temperature Change
Abstract Scientists have aimed at exploring land use and land cover (LULC) and their environmental influence in order to improve our understanding of the causes and consequences of these phenomena. This study addresses and use and land cover change...
2011 / Zhi-qiang Lv, Qi-gang Zhou -
Energy cost and greenhouse gas emissions of a Chinese solar tower power plant
Abstract It is commonly assumed that the application of solar power system can save energy and relief global climate change. Presented in this study is the account of energy performance and greenhouse gas emissions of a planned solar tower power...
2011 / Q. Yang, G.Q. Chen, Y.H. Zhao, B. Chen, Z. Li, et al. -
Fast and simple computer aided internal electrical wiring project design & integration of calculations
Abstract For drawing electrical wiring diagram of buildings, mostly two dimensional CAD programs are used. Drawing is done starting from the source (utility pole) to main power panel and then it is distributed towards to subpanels. Then, end points...
2012 / İlhami Muharrem Orak, Bayram Akgul -
Seasonal variation of total particulate matter and children respiratory diseases at Lisbon primary schools using passive methods
Abstract In this work, 14 primary schools of Lisbon city, Portugal, followed a questionnaire of the ISAAC - International Study of Asthma and Allergies in Childhood Program, in 2009/2010. The questionnaire contained questions to identify children...
2011 / Nuno Canha, Marina Almeida, Maria do Carmo Freitas, Susana Marta Almeida, H. Th. Wolterbeek -
Research on Segmentation Scale of Multi-Resources Remote Sensing Data Based on Object-Oriented
Abstract To verify a method of choosing the optimal segmentation scale, the Guangzhou Higher Education Mega Center is selected as test area for surface features extraction. Buildings, roads, waters and vegetations are extracted from 4 different...
2011 / Lian Lian, Jianfei Chen -
Emergy-based Ecological Economic Evaluation of Beijing Urban Ecosystem
Abstract This emergy-based urban economic account provided a historical portrait of the urban economy and its structures to understand the overload of the biosphere‘s assimilative capacity. The basic situation of the urban economy, involving the...
2011 / Gengyuan Liu, Zhifeng Yang, Bin Chen -
Concentration, Distribution and Comparison of Total and Bioavailable Metals in Top Soils and Plants Accumulation in Zanjan Zinc Industrial Town-Iran
Abstract Heavy metal contamination of metal-mined soils is a widespread problem in parts of Zanjan province. The province located in North West of Iran is highly polluted by heavy metals due to the presence, improper utilization of its mineral...
2010 / Abdolhossein Parizanganeh, Pooya Hajisoltani, Abbasali Zamani -
High Gradient Effects of Forest Biomass Energy in Mountainous Region—A Case of Meili Snow Mountain
Abstract Integrated using methods of forest biomass and productivity, Geographic Information System, and biogeographic statistics, this paper is quantified the reserves of forest biomass energy, and its relationship to elevation, slope degree and...
2011 / Qingzhong Ming, Shurong Guo, Yuanmei Jiao -
Climate Change, Sustainable Development and Coastal Ocean Information Needs
Abstract Local expressions of climate change are threatening the capacity of coastal ecosystems to support goods and services valued by society on a global scale. As articulated in many international and national ocean policies, conventions and...
2010 / T. Malone, M. Davidson, P. DiGiacomo, E. Gonçalves, T. Knap, et al. -
Carbon dioxide emission scenarios: limitations of the fossil fuel resource
Abstract Contemporary increases in atmospheric carbon dioxide concentration are in large part the result of anthropogenic carbon dioxide emissions from fossil fuel combustion. Scenario analysis is commonly used to generate projections of future...
2011 / Christopher Vernon, Erica Thompson, Sarah Cornell -
Methodology for the discrimination of areas affected by forest fires using satellite images and spatial statistics
Abstract We evaluated the effectiveness of statistical operators Moran's I, Geary's C and Getis and Ord Gi in Landsat ETM satellite images to measure and analyze the spatial dependence of the spectral characteristics of the affected areas, comparing ...
2011 / L. Bohórquez, I. Gómez, F. Santa -
Thermo-kinetic and Physico-Chemical Modeling of Processes Generating Scaling Problems in Phosphoric Acid and Fertilizers Production Industries
Abstract The wet-process phosphoric acid (WPPA) production is generally based on the use of sulfuric acid (H2SO4) for phosphate ore attack. One of the main issues encountered in this process is related to the uncontrolled formation of mineral...
2012 / Mohamed Azaroual, Christophe Kervevan, Arnault Lassin, Laurent André, Mohamed Amalhay, et al.