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Articles 1531 - 1560 of 2377
Full-Text Articles in Physical Sciences and Mathematics
Measuring Aeolian Saltation: A Comparison Of Sensors, Douglas Sherman, Bailiang Li, Eugene Farrell, Jean Ellis, Walter Cox, Luis Maia, Paulo Sousa
Measuring Aeolian Saltation: A Comparison Of Sensors, Douglas Sherman, Bailiang Li, Eugene Farrell, Jean Ellis, Walter Cox, Luis Maia, Paulo Sousa
Jean Taylor Ellis
No abstract provided.
Proportional-Integral-Derivative (Pid) Temperature Control & Data Acquisition System For Faraday Filter Based Sodium Spectrometer, Vardan Semerjyan, Tao Yuan
Proportional-Integral-Derivative (Pid) Temperature Control & Data Acquisition System For Faraday Filter Based Sodium Spectrometer, Vardan Semerjyan, Tao Yuan
Vardan Semerjyan
Sodium (Na) Faraday filters based spectrometer is a relatively new instrument to study sodium nightglow [Harrell et al., 2010] as well as atmospheric chemistry in the mesopause region. Successful spectrometer measurement demands highly accurate control of filter temperature. The ideal operation site for this Na spectrometer would be an isolated location with minimum nocturnal sky background. Thus, the remote and automatic control of the filter temperature is a requirement for such operation, whereas current temperature controllers can only be adjusted manually by the operator. The proposed approach is aimed not only to enhance the accuracy of the temperature control but …
Towards The Regulation Of Ubiquitous Mobile Government: A Case Study On Location-Based Emergency Services In Australia, Anas Aloudat, K. Michael
Towards The Regulation Of Ubiquitous Mobile Government: A Case Study On Location-Based Emergency Services In Australia, Anas Aloudat, K. Michael
Professor Katina Michael
Mobile alerts, notifications and location-based emergency warning systems are now an established part of mobile government strategies in an increasing number of countries worldwide. In Australia the national emergency warning system (NEWS) was instituted after the tragic Black Saturday Victorian Bushfires of February 2009. NEWS has enabled the provision of public information from the government to the citizen during emergencies anywhere and any time. Moving on from traditional short message service (SMS) notifications and cell broadcasting to more advanced location-based services, this paper explores the major issues faced by government, business and society at large, toward the realization of a …
Demonstrating The Potential For Covert Policing In The Community: Five Stakeholder Scenarios, Roba Abbas, Katina Michael, M.G. Michael
Demonstrating The Potential For Covert Policing In The Community: Five Stakeholder Scenarios, Roba Abbas, Katina Michael, M.G. Michael
Professor Katina Michael
This paper presents the real possibility that commercial mobile tracking and monitoring solutions will become widely adopted for the practice of non traditional covert policing within a community setting, resulting in community members engaging in covert policing of family, friends, or acquaintances. This paper investigates five stakeholder relationships using scenarios to demonstrate the potential socio-ethical implications that tracking and monitoring people will have on society at large. The five stakeholder types explored in this paper include: (i) husband-wife (partner-partner), (ii) parent-child, (iii) employer-employee, (iv) friend-friend, and (v) stranger-stranger. Mobile technologies such as mobile camera phones, global positioning system data loggers, …
The Road From S. And Marper To The Prüm Treaty And The Implications On Human Rights, K. Michael
The Road From S. And Marper To The Prüm Treaty And The Implications On Human Rights, K. Michael
Professor Katina Michael
This chapter investigates the implications of the S. and Marper v United Kingdom ruling by the European Court of Human Rights (ECtHR), which found that the UK Government’s current deoxyribonucleic acid (DNA) retention policy breached Article 8 of the European Convention on Human Rights (ECHR) (Council of Europe 2008). The aim of this chapter is to look beyond the changes that have been instigated in Britain, since the landmark decision by the ECtHR was made, and toward the legal and human rights implications of the sharing of DNA data across the borders of European Union member states. Of significance here …
Pre-Eruption Pressure, Temperature And Volatile Content Of Rhyolite Magma From The 1650 Ad Eruption Of Kolumbo Submarine Volcano, Greece, K. Cantner, S. Carey, H. Sigurdsson, G. Vougioukalakis, P. Nomikou, C. Roman, K. Bell, M. Alexandri
Pre-Eruption Pressure, Temperature And Volatile Content Of Rhyolite Magma From The 1650 Ad Eruption Of Kolumbo Submarine Volcano, Greece, K. Cantner, S. Carey, H. Sigurdsson, G. Vougioukalakis, P. Nomikou, C. Roman, K. Bell, M. Alexandri
Christopher N. Roman
Biotite-bearing, crystal-poor rhyolite magma was the predominant magma type discharged during the 1650 AD explosive eruption of Kolumbo submarine volcano, Greece. The eruption produced thick sequences of pumice deposits (~100 m) in the upper crater walls of the volcano, but also led to the formation of extensive pumice rafts that were dispersed throughout the southern Aegean Sea, and subaerial tephra fallout as far east as Turkey. Preliminary estimates of pre-eruption volatile contents have been determined using the volatile-by-difference method on plagioclase-hosted melt inclusions and yield an average value of 6.0 wt.%. This corresponds to a pre-eruption storage pressure of 180 …
Mind Mapping As An Interactive Tool For Engaging Complex Geographical Issues, David Lloyd, William Boyd, Kristin Den Exter
Mind Mapping As An Interactive Tool For Engaging Complex Geographical Issues, David Lloyd, William Boyd, Kristin Den Exter
Dr Kristin den Exter
Students and communities engaging with complex geographical issues require tools to assist them structure and contextualise data. This paper examines the use of mind mapping as a tool in geographical education. Case studies are presented from a sample of undergraduate and cross-cultural educational settings demonstrating the use of mind mapping in communication, analysis and problem solving. In critiquing this educational tool, we conclude that mind mapping is particularly effective with communities whose cultures are strong on visual communication but weaker on written communication and in cross-cultural situations where use of written English would disadvantage learners.
On Some Recent Applications Of The Coanda Effect To Acoustics, Caroline Lubert
On Some Recent Applications Of The Coanda Effect To Acoustics, Caroline Lubert
Caroline P Lubert
No abstract provided.
Early And Often: Bringing More Parallelism Into Undergraduate Computer Science, Elizabeth Shoop, Et Al
Early And Often: Bringing More Parallelism Into Undergraduate Computer Science, Elizabeth Shoop, Et Al
Elizabeth Shoop
No abstract provided.
The Politics Before The Politics: Census 2010, Reapportionment, And Redistricting, Karen Saxe, T. Ratliff
The Politics Before The Politics: Census 2010, Reapportionment, And Redistricting, Karen Saxe, T. Ratliff
Karen Saxe
No abstract provided.
Integrating Geographic Information Systems And Multi-Criteria Analysis To Assess Suitable Species And Plantation Sites: A Case Study Assessing Elaeocarpus Grandis And Gevillea Robusta Suitability On The Nsw North Coast, Kristin Den Exter
Dr Kristin den Exter
No abstract provided.
Bringing Ecology To Resource Managers: The Role Of Ecological Decision Support Systems, Kristin Den Exter
Bringing Ecology To Resource Managers: The Role Of Ecological Decision Support Systems, Kristin Den Exter
Dr Kristin den Exter
No abstract provided.
Improving Decision-Making By Coastal Managers, Alison Specht, Kristin Den Exter
Improving Decision-Making By Coastal Managers, Alison Specht, Kristin Den Exter
Dr Kristin den Exter
No abstract provided.
Report On A Workshop Defining Approaches To Project 1.1 (Spatial Decision Support System) And Project 1.2 (Ecosystem Assessment And Monitoring), Alison Specht, Kristin Den Exter
Report On A Workshop Defining Approaches To Project 1.1 (Spatial Decision Support System) And Project 1.2 (Ecosystem Assessment And Monitoring), Alison Specht, Kristin Den Exter
Dr Kristin den Exter
No abstract provided.
Curriculum Vitae, Tatiyana V. Apanasovich
Curriculum Vitae, Tatiyana V. Apanasovich
Tatiyana V Apanasovich
No abstract provided.
Towards A Community Of Computer Science Educators Who Teach More Parallelism, Elizabeth Shoop, Peter Hinsbeeck, Richard Brown
Towards A Community Of Computer Science Educators Who Teach More Parallelism, Elizabeth Shoop, Peter Hinsbeeck, Richard Brown
Elizabeth Shoop
No abstract provided.
The Geometry Of The Snail Ball, Stan Wagon
Tag Expression: Tagging With Feeling, Shilad Sen, Jesse Vig, Matthew Soukup, John Riedl
Tag Expression: Tagging With Feeling, Shilad Sen, Jesse Vig, Matthew Soukup, John Riedl
Shilad Sen
No abstract provided.
First Year Investigation Of Gravity Waves And Temperature Variability Over The Andes., Jonathan Pugmire, Neal Criddle, Michael Taylor, Dominique Pautet, Yucheng Zhao
First Year Investigation Of Gravity Waves And Temperature Variability Over The Andes., Jonathan Pugmire, Neal Criddle, Michael Taylor, Dominique Pautet, Yucheng Zhao
Jonathan Pugmire
The Andes region is an excellent natural laboratory for investigating gravity wave influences on the Upper Mesospheric and Lower Thermospheric (MLT) dynamics: during the summer months the dominant gravity waves result from deep convection arising from severe thunderstorms over the continent to the east. In winter this convective activity is expected to be replaced by strong orographic forcing due to intense prevailing zonal winds blowing eastward from the Pacific Ocean and suddenly encountering the towering Andes mountain range (6000m). This creates large amplitude mountain waves that have been measured well into the stratosphere and most recently penetrate occasionally into the …
Seawater Inundation Of Fe-Rich Coastal Lowlands – Hydrogeochemical Coupling And Hysteresis At The Tidal Fringe, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Seawater Inundation Of Fe-Rich Coastal Lowlands – Hydrogeochemical Coupling And Hysteresis At The Tidal Fringe, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Associate Professor Edward D Burton
Over 17 million ha of coastal lowlands contain acid sulfate soils (CASS). These soils are rich in meta-stable, redoxsensitive Fe (III)-minerals. Large areas of CASS are at risk of increased saline tidal inundation due to sea-level rise. Fieldbased CASS remediation trials reveal that tidal seawater inundation initiates radical changes in sediment hydrogeochemistry, stimulating Fe and SO4 reducing conditions, generating alkalinity and greatly decreasing the acidity hazard. However, these changes also have profound consequences for the fate, mobilisation, redistribution and transformation of Fe minerals and co-associated trace elements. Here, we examine the consequences for iron and arsenic by investigating the hydrology, …
Climate Change Impacts On Acid Sulfate Soil Landscapes, Richard Bush, Leigh Sullivan, Edward Burton, Scott Johnston, Annabelle Keene, Vanessa Wong, L Mosley
Climate Change Impacts On Acid Sulfate Soil Landscapes, Richard Bush, Leigh Sullivan, Edward Burton, Scott Johnston, Annabelle Keene, Vanessa Wong, L Mosley
Associate Professor Edward D Burton
The anticipated impacts of climate change are warmer conditions, an increasing proportion of rainfall to occur from heavy falls, increasing occurrence of drought in many regions, increasing frequency of intense tropical cyclones, rising sea levels and frequency of extreme high seas (e.g. storm surges). All of these predicted impacts have direct relevance to coastal acid sulfate soils landscapes, through either exacerbating sulfide oxidation by drought, re-instating reductive geochemical processes or changing the export and mobilisation of contaminants. The interaction of specific land management factors such as man-made drainage will also have a significant role in how the predicted impacts of …
Impacts Of Sea Level Rise On The Biogeochemistry Of A Coastal Floodplain In Eastern Australia, Vanessa Wong, Phillip Hirst, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton, P Slavich
Impacts Of Sea Level Rise On The Biogeochemistry Of A Coastal Floodplain In Eastern Australia, Vanessa Wong, Phillip Hirst, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton, P Slavich
Associate Professor Edward D Burton
No abstract provided.
Evaluation Of Existing Methods For Assessing Retained Acidity In Acid Sulfate Soil Materials, C Vithana, Leigh Sullivan, Richard Bush, Edward Burton, Scott Johnston
Evaluation Of Existing Methods For Assessing Retained Acidity In Acid Sulfate Soil Materials, C Vithana, Leigh Sullivan, Richard Bush, Edward Burton, Scott Johnston
Associate Professor Edward D Burton
No abstract provided.
Mobilisation Of Arsenic Following Sea-Water Inundation Of Acid Sulfate Soils, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Mobilisation Of Arsenic Following Sea-Water Inundation Of Acid Sulfate Soils, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Associate Professor Edward D Burton
No abstract provided.
Reductive Dissolution Of Natural Jarosite In A Tidally Inundated Acid Sulfate Soil: Geochemical Implications, Annabelle Keene, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton
Reductive Dissolution Of Natural Jarosite In A Tidally Inundated Acid Sulfate Soil: Geochemical Implications, Annabelle Keene, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton
Associate Professor Edward D Burton
No abstract provided.
Effectiveness Of Lime Particle Size In The Neutralisation Of Sulfidic Acid Sulfate Soil Materials, Kim Watling, Angus Mcelnea, Colin Ahern, Edward Burton, Scott Johnston, Annabelle Keene, Richard Bush, Leigh Sullivan
Effectiveness Of Lime Particle Size In The Neutralisation Of Sulfidic Acid Sulfate Soil Materials, Kim Watling, Angus Mcelnea, Colin Ahern, Edward Burton, Scott Johnston, Annabelle Keene, Richard Bush, Leigh Sullivan
Associate Professor Edward D Burton
No abstract provided.
Sulfidisation Processes In A Reactive Fe-Enriched Acid Sulfate Soil, Northeastern Australia, Annabelle Keene, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton
Sulfidisation Processes In A Reactive Fe-Enriched Acid Sulfate Soil, Northeastern Australia, Annabelle Keene, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton
Associate Professor Edward D Burton
No abstract provided.
Remediating Coastal Acid Sulfate Soils By Tidal Inundation: Geochemical Hysteresis Of Iron, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Remediating Coastal Acid Sulfate Soils By Tidal Inundation: Geochemical Hysteresis Of Iron, Scott Johnston, Annabelle Keene, Richard Bush, Edward Burton, Leigh Sullivan
Associate Professor Edward D Burton
No abstract provided.
Improvements In Water Quality Following Restoring Tidal Exchange In An Acidified, Diked And Drained Estuarine Catchment, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton, D Smith, Michelle Martens, Angus Mcelnea, Colin Ahern, Bernard Powell, Luisa Stephens, Steven Wilbraham, Simon Van Heel
Improvements In Water Quality Following Restoring Tidal Exchange In An Acidified, Diked And Drained Estuarine Catchment, Scott Johnston, Richard Bush, Leigh Sullivan, Edward Burton, D Smith, Michelle Martens, Angus Mcelnea, Colin Ahern, Bernard Powell, Luisa Stephens, Steven Wilbraham, Simon Van Heel
Associate Professor Edward D Burton
No abstract provided.
Managing Floodplain Drains To Reduce Acid Export From Acid Sulfate Soil Backswamps, Richard Bush, Scott Johnston, Nadia Toppler, P Hurst, Edward Burton, Leigh Sullivan, Peter Slavich
Managing Floodplain Drains To Reduce Acid Export From Acid Sulfate Soil Backswamps, Richard Bush, Scott Johnston, Nadia Toppler, P Hurst, Edward Burton, Leigh Sullivan, Peter Slavich
Associate Professor Edward D Burton
No abstract provided.