Umhvørvisstovan - The Faroese Environment Agency

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  • 2019

    Deflection Monitoring and frequency response of a Ship using GPS and Fibre Optic based sensors

    Roberts, G. W., Hancock, C. M., Klug, F., Lienhart, W., Zuzek, N. & Ligt, H. D., 2019, 4th Joint International Symposium on Deformation Monitoring (JISDM), 15-17 May 2019. Athens, Greece, 5 p.

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  • On the Improvement of Precise Point Positioning augmented with tropospheric ZWD using CORS networks applied to bridge monitoring

    Tang, X., Hancock, C. M., Roberts, G. W., Jin, S., Li, H. & Ligt, H. D., 2019, 4th Joint International Symposium on Deformation Monitoring (JISDM), 15-17 May 2019, Athens, Greece. 2 p.

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  • 2018

    Benefit of Triple-Frequency on Cycle-Slip Detection

    Zhao, D., Hancock, C. M., Roberts, G. W. & Lau, L., 2018, FIG Congress 2018: Embracing our smart world where the continents connect: enhancing the geospatial maturity of societies Istanbul, Turkey, May 6–11, 2018. International Federation of Surveyors, FIG, 11 p.

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  • Comparison of Triple Frequency GNSS Carrier Phase and Pseudorange noise using various satellite constellations.

    Roberts, G. W., Hancock, C. M. & Tang, X., 2018, FIG Congress 2018: Embracing our smart world where the continents connect: enhancing the geospatial maturity of societies Istanbul, Turkey, May 6–11, 2018. 12 p.

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  • Novel non-contact deformation health monitoring of towers and rotating composite based wind turbine blades using interferometric ground-based radar

    Ochieng, F. X., Hancock, C. M., Roberts, G. W., Kernec, J. L. & Tang, X., 2018, FIG Congress 2018 : Embracing our smart world where the continents connect: enhancing the geospatial maturity of societies Istanbul, Turkey, May 6–11, 2018. 13 p.

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  • 2017

    Assessment of the Effects of Combining Multi-GNSS Constellations on the Solution Accuracy and Availability

    Msaewe, H. A., Hancock, C. M., Psimoulis, P. A., Roberts, G. W. & Bonenberg, L. K., 2017, FIG Working Week 2017: Surveying the world of tomorrow - From digitalisation to augmented reality Helsinki, Finland, May 29–June 2, 2017. 11 p.

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  • Correction of Terrestrial LiDAR Data Using a Hybrid Model

    Mukupa, W., Roberts, G. W., Hancock, C. M. & Al-Manasir, K., 2017, FIG Working Week 2017: Surveying the world of tomorrow : from digitisation to augmented reality. Helsinki, Finland, May 29–June 2, 2017. 26 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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  • Cycle slip Detection for Triple-Frequency GPS Observations under Ionospheric Scintillation

    Zhao, D., Roberts, G. W., Hancock, C. M. & Bai, R., 2017, ION GNSS+ 2017: Proceedings of the 30th International Technical Meeting of the Satellite Division of The Institute of Navigation. Portland, Oregon: Institute of Navigation, p. 4046-4054

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    1 Citation (Scopus)

  • Triple Frequency Multi-GNSS Cycle Slip Detection Using Ionospheric Residuals

    Roberts, G. W., 2017, FIG Working Week 2017: Surveying the world of tomorrow - From digitalisation to augmented reality Helsinki, Finland, May 29–June 2, 2017. International Federation of Surveyors, FIG, 12 p.

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  • 2016

    Change Detection and Assessment of Fire-Damaged Concrete Using Terrestrial Laser Scanning

    Mukupa, W., Roberts, G. W., Hancock, C. M. & Al-Manasir, K., 2016, FIG Working Week 2016: Recovery from Disaster. 78th FIG Working Week 2016 Christchurch, New Zealand 2-6 May 2016 at Horncastle Arena and Addington Raceway . 15 p. 8122

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  • Correlation of the movements of the Severn Suspension Bridge derived with GNSS with Temperature Variations.

    Roberts, G. W., Tang, X. & Brown, C., 2016, 3rd Joint International Symposium on Deformation Monitoring (JISDM): 30 March - 1 April 2016, Vienna, Austria. 4 p.

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  • Temperature Effects on the Vertical Movements of the Severn Suspension Bridge’s Suspension Cables Measured by GNSS

    Roberts, G. W., Tang, X. & Brown, C., 2016, FIG Working Week 2016: 78th FIG Working Week 2016 Christchurch, New Zealand 2-6 May 2016 at Horncastle Arena and Addington Raceway. Recovery from Disaster. International Federation of Surveyors, FIG, 8 p.

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  • The Performance of BeiDou-2 Relative Positioning Using the Short Baseline and Zero Baseline Measurements

    Tang, X. & Roberts, G. W., 2016, FIG Working Week 2016: 78th FIG Working Week 2016 Christchurch, New Zealand 2-6 May 2016 at Horncastle Arena and Addington Raceway Recovery from Disaster. 1 p. 8302

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Undrained Soil Behavior under Bidirectional Shear

    Li, Y., Yang, Y., Yu, H.-S. & Roberts, G., Jul 2016, Geo-China 2016: Fourth Geo-China International Conference July 25–27, 2016. Shandong, China: American Society of Civil Engineers, 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    3 Citations (Scopus)
  • 2015

    Analysis and Comparison of GPS/Beidou GNSS Signal Performance

    Roberts, G. W. & Tang, X., 2015, FIG Working Week 2015: From the Wisdom of the Ages to the Challenges of the Modern World. Sofia, Bulgaria, 17-21 May 2015 . 8 p. 7620

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  • 2014

    The use of GNSS to aid the Structural Health Monitoring of the Seven Suspension Bridge’s Suspension Cables and Support Towers

    Roberts, G. W., Brown, C., Tang, X. & Ogundipe, O., 2014, XXV Fig Congress: “Engaging the Challenges, Enhancing the Relevance”. Kuala Lumpur, 11 p. 7188

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  • 2013

    Collaborative navigation field trials with different sensor platforms

    Kealy, A., Retscher, G., Hasnur-Rabiain, A., Alam, N., Toth, C., Grejner-Brzezinska, D. A., Moore, T., Hill, C., Gikas, V., Hide, C., Danezis, C., Bonenberg, L. & Roberts, G. W., 2013, 2013 10th Workshop on Positioning, Navigation and Communication, WPNC 2013 - Proceedings.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    3 Citations (Scopus)
  • 2012

    Collaborative navigation with ground vehicles and personal navigators

    Kealy, A., Alam, N., Toth, C., Moore, T., Gikas, V., Danezis, C., Roberts, G. W., Retscher, G., Hasnur-Rabiain, A., Grejner-Brzezinska, D. A., Hill, C., Hide, C. & Bonenberg, L., Nov 2012, 2012 International Conference on Indoor Positioning and Indoor Navigation (IPIN). Sidney, 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    25 Citations (Scopus)

  • Detecting Fire Damaged Concrete Using Laser Scanning

    Hancock, C. M., Roberts, G. W., Bisby, L., Cullen, M. & Arbuckle, J., 2012, FIG Working Week 2012: Territory, environment, and cultural heritage. 9 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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  • GNSS Modernisation and Its Effect on Surveying

    Lau, L. & Roberts, G. W., 2012, FIG Working Week 2012: Knowing to manage the territory, protect the environment, evaluate the cultural heritage. May 6-10 20212. Rome, Italy. 11 p. 6138

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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  • International University Education: The University of Nottingham Ningbo China

    Roberts, G. W., 2012, FIG Working Week 2012: Knowing to manage the territory, protect the environment, evaluate the cultural heritage. Rome, Italy, 6-19 May 2012. 10 p.

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  • Keynote Lecture; The Development of GNSS for High Rise Building Surveying

    Roberts, G. W., 2012, 1st International FIG Workshop on Monitoring High Rise and Tall Engineering Structures - Development and Practice. Hong Kong

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  • The Use of GNSS to Measure the Synchronized Movements of the Severn Suspension Bride’s 136m Tall Support Towers and Suspension Cables

    Roberts, G. W., Brown, C. & Ogundipe, O., 2012, 1st International FIG Workshop on Monitoring High Rise and Tall Engineering Structures : Development and Practices. Hong Kong SAR, China, 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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  • 2011

    A New Paradigm for Developing and Delivering Ubiquitous Positioning Capabilities

    Kealy, A., Toth, C., Grejner-Brzezinska, D. A., Roberts, G. W., Retscher, G. & Gikas, V., 2011, FIG Working Week 2011: Bridging the Gap between Cultures. Marrakech, Morocco, 18-22 May 2011 . 15 p. 5019

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  • Antenna Selection for Bridge Deformation Monitoring: Comparison of Multipath Mitigation Characteristics for Three Types of Antennas

    Ogundipe, O. & Roberts, G. W., 2011, FIG Working Week 2011: Bridging the Gap between Cultures. Marrakech, Morocco, 18-22 May 2011 . 16 p. 5238

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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  • Monitoring the Deflections of the Suspension Cables of the Severn Suspension Bridge by GNSS

    Roberts, G. W., Brown, C. J. & Ogundipe, O., Nov 2011, Joint International Symposium on Deformation Monitoring: 2-4 November 2011, Hong Kong, China. 4 p.

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  • Monitoring the Severn Suspension Bridge by GNSS

    Roberts, G. W., Brown, C. & Ogundipe, O., 2011, FIG Working Week 2011: Bridging the Gap between Cultures. 11 p. 4934

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  • Study on Issues of Tilt-meters and Utilization of GPS in Bridge Monitoring System (BMS)

    Lee, J. K., Park, J. S., Roberts, G. W., Oluropo, O. & Moon, D. J., Nov 2011, Joint International Symposium on Deformation Monitoring: 2-4 November 2011, Hong Kong, China. 10 p. (FIG).

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  • Using Multi-constellation GNSS and EGNOS for Bridge Deformation Monitoring

    Meng, X., Gogoi, N., Dodson, A. H., Roberts, G. W. & Brown, C. J., Nov 2011, Joint International Symposium on Deformation Monitoring: 2-4 November 2011, Hong Kong, China. 5 p.

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  • 2010

    Engineering Applications of Integrated Wireless Band Pseudolite and GNSS System

    Bonenberg, L. K., Roberts, G. W. & Hancock, C. M., 2010, FIG Congress 2010: Facing the Challenges – Building the Capacity. Sydney: International Federation of Surveyors, FIG, 14 p. 4250

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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  • Evaluating the performance of low cost MEMS inertial sensors for seamless indoor/outdoor navigation

    Kealy, A., Roberts, G. & Retscher, G., 2010, Record - IEEE PLANS, Position Location and Navigation Symposium.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    13 Citations (Scopus)

  • Locata: A high accuracy indoor positioning system

    Rizos, C., Roberts, G., Barnes, J. & Gambale, N., 2010, 2010 International Conference on Indoor Positioning and Indoor Navigation, IPIN 2010 : 15-17 September 2010, Zürich, Switzerland. 7 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    50 Citations (Scopus)

  • Monitoring Bridges by GNSS

    Roberts, G. W., Brown, C. & Ogundipe, O., 2010, FIG Congress 2010: Facing the Challenges : Building the Capacity. Sydney, Australia, 11-16 April 2010. 11 p. 4452

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  • Multipath Detection Using the Dendritic Cell Algorithm

    Ogundipe, O., Greensmith, J. & Roberts, G. W., 2010, FIG Congress 2010: Facing the Challenges : Building the Capacity. Sydney, Australia, 11-16 April 2010 . 14 p. 4673

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  • NEST: A New Web Based Teaching Tool for Engineering Surveying

    Roberts, G. W. & Gray, J., 2010, FIG Congress 2010: Facing the Challenges – Building the Capacity. Sidney, 8 p. 4451

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  • The Use of GNSS to Monitor the Deflections of a Motorway Viaduct

    Roberts, G. W., Brown, C. & Ogundipe, O., 2010, FIG Working Week 2009: Surveyors Key Role in Accelerated Development. Eilat, Israel, 10 p. 3291

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  • 2009

    Mapping and visualisation of sub-surface utilities in urban environments

    Ogundipe, O., Hancock, C., Taha, A., Roberts, G. W. & Montillet, J.-P., 2009, 22nd International Technical Meeting of the Satellite Division of the Institute of Navigation 2009, ION GNSS 2009: Savannah, GA; United States; 22 September 2009 through 25 September 2009. Vol. 2. p. 822-836

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • Positioning Buried Pipes and Cables in Urban Canyons Using an Integrated GNSS Approach

    Roberts, G. W., Ogundipe, O., Hancock, C. M., Taha, A. & Montilet, J.-P., 2009, Fig Working Week 2009: Surveyors Key Role in Accelerated Development. New Horizons across the Red Sea. 14 p.

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  • 2008

    A GIS approach to GNSS simulation in urban canyons

    Taha, A., Kokkas, N., Hancock, C., Roberts, G., Meng, X. & Uff, J., 2008, ENC-GNSS 2008 - European Navigation Conference: Toulouse Space Show’08. 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • MONITORING THE DEFORMATION OF A MOTORWAY VIADUCT USING KINEMATIC GPS

    Roberts, G. W., Brown, C. J. & Ogundipe, O., May 2008, Joint symposia 13th FIG Symposium on Deformation Measurement and Analysis 4th IAG Symposium on Geodesy for Geotechnical and Structural Engineering: Measuring the Changes. 10 p.

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  • THE USE OF GNSS TO MONITOR THE DEFLECTIONS OF SUSPENSION BRIDGES

    Roberts, G. W., Brown, C. J., Atkins, C. & Meng, X., May 2008, Joint symposia 13th FIG Symposium on Deformation Measurement and Analysis 4th IAG Symposium on Geodesy for Geotechnical and Structural Engineering: Measuring the Changes. 9 p.

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  • The use of high-sensitivity GPS for mapping sub-surface utilities

    Ogundipe, O., Hancock, C., Taha, A. & Roberts, G., 2008, ENC-GNSS 2008 - European Navigation Conference: Tolouse, France. 12 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

  • The Use of Kinematic GPS to Monitor the Deflections and Frequencies of a 174m Long Viaduct under Traffic Loading

    Roberts, G. W., Brown, C. J. & Ogundipe, O., Jun 2008, FIG Working Week 2008: Integrating Generations. Stockholm, Sweden 14-19 June 2008 . 12 p.

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  • 2007

    Deflections and frequency responses of the Forth Road Bridge measure by GPS

    Brown, C. J., Roberts, G. W., Atkins, C., Meng, X. & Colford, B., 2007, Bridge Design, Construction and Maintenance - Proceedings of the two-day International Conference organised by the Institution of Civil Engineers, ICE. Inst of Civil Engineers Pub, p. 479-486

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    3 Citations (Scopus)

  • The Use of GPS for Disaster Monitoring of Suspension Bridges

    Roberts, G. W., Meng, X. & Brown, C., 2007, Dynamic Planet: Dynamic Planet Monitoring and Understanding a Dynamic Planet with Geodetic and Oceanographic Tools. Tregoning, P. & Rizos, C. (eds.). Springer Verlag, p. 825-833 ( International Association of Geodesy Symposia; vol. 130).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Towards Ubiquitous Positioning (UbiPos): A GNSS perspective

    Meng, X., Dodson, A., Moore, T. & Roberts, G., 2007, Proceedings of the 2007 National Technical Meeting of The Institute of Navigation. San Diego, CA, Vol. 2. p. 1212-1220

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    4 Citations (Scopus)

  • Using GPS to measure the deflections and frequency responses of the London Millennium Bridge

    Roberts, G. W., Brown, C. J., Meng, X. & Dallard, P. R. B., 2007, Bridge Design, Construction and Maintenance: Proceedings of the two-day International Conference organised by the Institution of Civil Engineers, ICE. ICE Publishing, p. 487-496

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    2 Citations (Scopus)
  • 2006

    Using smartstation and GPS integrated with INS to map underground pipes and cables

    Taha, A., Meng, X., Roberts, G. W., Hide, C. & Montillet, J.-P., 2006, Proceedings of the Institute of Navigation - 19th International Technical Meeting of the Satellite Division, ION GNSS 2006. Vol. 5. p. 2832-2840 8 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    5 Citations (Scopus)
  • 2005

    An investigation in the use of GPS and INS sensors for structural health monitoring

    Hide, C., Blake, S., Meng, X., Roberts, G., Moore, T. & Park, D., 2005, Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation, ION GNSS 2005. Long Beach, CA, Vol. 2005. p. 2029-2038

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    12 Citations (Scopus)

  • Deflection Monitoring of the Forth Road Bridge by GPS

    Roberts, G. W., Brown, C. & Meng, X., Sept 2005, Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005). p. 1016-1021 6 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    10 Citations (Scopus)