Trustworthy positioning for intelligent transport systems. This project aims to develop a holistic approach for reliable positioning for Intelligent Transport Systems (ITS). This project will address the challenges of integrity monitoring in ITS when using satellite-based technology, its integration with other sensors, and when supported by the proposed Australia National Positioning Infrastructure. It will consider Australian geography, large area, and sparse population, and emphasise rural tra ....Trustworthy positioning for intelligent transport systems. This project aims to develop a holistic approach for reliable positioning for Intelligent Transport Systems (ITS). This project will address the challenges of integrity monitoring in ITS when using satellite-based technology, its integration with other sensors, and when supported by the proposed Australia National Positioning Infrastructure. It will consider Australian geography, large area, and sparse population, and emphasise rural transport. Expected primary outputs include algorithms, a detailed analysis of required systems and recommendations that will help prepare Australia for the importation of self-driving vehicles.Read moreRead less
Quality controlling GPS estimated atmospheric water vapour via stochastic modelling. Signals from satellites of the Global Positioning System (GPS) can be used to estimate the quantity of atmospheric water vapour. Such information is vital to meteorologists for numerical weather prediction, since lack of atmospheric water vapour knowledge is a significant source of error in short term (0-24 hours) forecasts of precipitation. However, to be of practical use in numerical weather models, the estima ....Quality controlling GPS estimated atmospheric water vapour via stochastic modelling. Signals from satellites of the Global Positioning System (GPS) can be used to estimate the quantity of atmospheric water vapour. Such information is vital to meteorologists for numerical weather prediction, since lack of atmospheric water vapour knowledge is a significant source of error in short term (0-24 hours) forecasts of precipitation. However, to be of practical use in numerical weather models, the estimate of the water vapour content must be accompanied by a realistic, reliable quality indicator. Such quality indicators are not currently attainable using existing GPS data processing methods, with this project aiming to overcome such deficiencies.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0239467
Funder
Australian Research Council
Funding Amount
$200,000.00
Summary
A portable laser scanning facility for geomatic data capture. Ground-based laser scaning is an emerging technology that promises to revolutionize spatial data capture for the geomatics industry due to its high data volume, accuracy and acquisition rate. This proposal brings together leading academics from Australasia to establish a laser scanning facility that will enhance existing projects and explore new avenues in geomatic research. The facility will impact on the research programs of partici ....A portable laser scanning facility for geomatic data capture. Ground-based laser scaning is an emerging technology that promises to revolutionize spatial data capture for the geomatics industry due to its high data volume, accuracy and acquisition rate. This proposal brings together leading academics from Australasia to establish a laser scanning facility that will enhance existing projects and explore new avenues in geomatic research. The facility will impact on the research programs of participating institutions in the fields of high-resolution thematic mapping and visualization, environmental geomatics, geomatic monitoring and geomatic engineering. Furthermore, the facility will allow Australasian universities to develop a knowledge base in this new and exciting technology.Read moreRead less
Ellipsoidal physical geodesy - improved global and local gravity field modelling. Improved techniques for gravity field modelling, using the ellipsoidal approach proposed in this research, will increase the accuracy of the Australian geoid model. A more accurate model of the geoid will bring great cost-benefits mainly to the Australian surveying, mapping and exploration community. For example, height determination from GPS [Global Positioning System] or similar satellite-based measurements is on ....Ellipsoidal physical geodesy - improved global and local gravity field modelling. Improved techniques for gravity field modelling, using the ellipsoidal approach proposed in this research, will increase the accuracy of the Australian geoid model. A more accurate model of the geoid will bring great cost-benefits mainly to the Australian surveying, mapping and exploration community. For example, height determination from GPS [Global Positioning System] or similar satellite-based measurements is only possible with the aid of an accurate geoid model. This will allow the use GPS to its full capacity and save valuable time and money (by as much as a factor of 10).Read moreRead less
Lunar crustal structure from high-res gravity, topography, and seismic data. This project aims to improve our knowledge of the Moon, including its surface processes, interior structure, modification by geological processes and creation and evolution. The Moon preserves the longest and cleanest records of surface geology in the Solar System’s history, unlike the Earth. The lunar crust should exhibit strong heterogeneity in density (both porosity and composition) given its complex history of impac ....Lunar crustal structure from high-res gravity, topography, and seismic data. This project aims to improve our knowledge of the Moon, including its surface processes, interior structure, modification by geological processes and creation and evolution. The Moon preserves the longest and cleanest records of surface geology in the Solar System’s history, unlike the Earth. The lunar crust should exhibit strong heterogeneity in density (both porosity and composition) given its complex history of impact bombardment and volcanism. This project aims to determine radial and lateral heterogeneity in density and porosity within the Moon's crust, by analysing Gravity Recovery And Interior Laboratory gravity and spacecraft tracking data, Lunar Orbiter Laser Altimeter topography and in situ Apollo seismological data.Read moreRead less
Application of the Wavelet Transform to Isostatic Analyses in Australia. Existing methods of determining the Earth's isostatic response assume ideal but unrealistic conditions. This project will develop a new technique for isostatic analysis, using the two-dimensional wavelet transform. This tool can resolve spectral components of geophysical data in the space domain, thus avoiding the problems arising during the conventional Fourier analysis. With innovative processing methods, maps of the crus ....Application of the Wavelet Transform to Isostatic Analyses in Australia. Existing methods of determining the Earth's isostatic response assume ideal but unrealistic conditions. This project will develop a new technique for isostatic analysis, using the two-dimensional wavelet transform. This tool can resolve spectral components of geophysical data in the space domain, thus avoiding the problems arising during the conventional Fourier analysis. With innovative processing methods, maps of the crustal thickness from gravity and topography data can be generated, a task usually reserved for costly seismic experiments. Analysis of the wavelet power spectrum would also benefit the exploration industry by identifying previously unknown sedimentary basins.Read moreRead less
Investigations of the Integrity of the Australian Height Datum. The Australian Height Datum (AHD) forms the fundamental framework for all vertical spatial information in Australia. It supports a wide range of applications in areas such as geodesy, surveying, mapping, telecommunications, resource exploration and environmental science. This medium-term research programme will investigate the many issues surrounding the integrity of the AHD, and will rigorously redefine, correct and unify it with ....Investigations of the Integrity of the Australian Height Datum. The Australian Height Datum (AHD) forms the fundamental framework for all vertical spatial information in Australia. It supports a wide range of applications in areas such as geodesy, surveying, mapping, telecommunications, resource exploration and environmental science. This medium-term research programme will investigate the many issues surrounding the integrity of the AHD, and will rigorously redefine, correct and unify it within a global vertical framework. This will provide improved height information to the numerous users of the AHD in Australia, and allow Australia to contribute more fully to the global spatial data infrastructure.Read moreRead less
Application of Advanced Geomatic Techniques to Heritage Recording of Greek Antiquities. Heritage recording documents archaeological sites for the benefit of future research and also to assess site degradation. This project combines the latest laser scanning technology, available through the ARC-funded LASCAN consortium, with satellite-based and digital photogrammetric survey techniques to develop a unique methodology for precise 3D recording of such sites. Records of archaeological test sites in ....Application of Advanced Geomatic Techniques to Heritage Recording of Greek Antiquities. Heritage recording documents archaeological sites for the benefit of future research and also to assess site degradation. This project combines the latest laser scanning technology, available through the ARC-funded LASCAN consortium, with satellite-based and digital photogrammetric survey techniques to develop a unique methodology for precise 3D recording of such sites. Records of archaeological test sites in Greece will contain unprecedented detail, comprising point clouds of greater than five million individual measurements, and spectral information in the infrared and visible wavebands. The large volume of data collected will be managed in a specially designed spatial database, accessible to the general public.Read moreRead less
Validation of Synthetic Regional Gravity Field Models. This research will further develop the theoretical and practical methods required to test any model of the Earth's gravity field. Previously, geodesists have had to rely on analytical error estimates, usually based on observed data. A synthetic Earth gravity model avoids this scenario by giving an exact validation technique of the methods used. The synthetic model will allow users of geoid models (e.g., for GPS heighting) to have much mor ....Validation of Synthetic Regional Gravity Field Models. This research will further develop the theoretical and practical methods required to test any model of the Earth's gravity field. Previously, geodesists have had to rely on analytical error estimates, usually based on observed data. A synthetic Earth gravity model avoids this scenario by giving an exact validation technique of the methods used. The synthetic model will allow users of geoid models (e.g., for GPS heighting) to have much more confidence in their results. When used with a precise geoid model, GPS is faster and cheaper than conventional spirit-levelling, offering around 800% productivity gains. Read moreRead less
Prediction of Sea Level Change around Australia and its Calibration and Validation by Satellite-Geodetic Measurements. The redistribution of mass and loading due to deglaciation will change the gravity field, spin axis and centre of mass of the Earth. As such, global sea level will not rise by the same amount in all places, and will even fall in some. This project will extend our realistic Earth model, constructed from a previous ARC grant, to simulate such changes in sea level. These simulat ....Prediction of Sea Level Change around Australia and its Calibration and Validation by Satellite-Geodetic Measurements. The redistribution of mass and loading due to deglaciation will change the gravity field, spin axis and centre of mass of the Earth. As such, global sea level will not rise by the same amount in all places, and will even fall in some. This project will extend our realistic Earth model, constructed from a previous ARC grant, to simulate such changes in sea level. These simulated values will be compared with contemporary estimates of ice mass balance and temporal gravity changes measured by satellite geodesy. Ultimately, this will allow for more informed management of sea level change in Australasia.Read moreRead less