51cg

People

Dr Lydia Sam

Dr Lydia Sam
Dr Lydia Sam
Dr Lydia Sam

MSc, PhD, AFHEA

Lecturer

Accepting PhDs

51cg
Email Address
lydia.sam@abdn.ac.uk
Office Address
St. Mary's Building
Old Aberdeen Campus
Elphinstone Road
AB24 3UF

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School/Department
School of Geosciences




Reconstruction and Characterisation of Slope Failure Events

On 7 February 2021, a flash flood triggered by a rock-ice avalanche caused significant damage of life and property in the Indian Himalaya. Using satellite datasets, digital terrain models and simulations, we report the flow characteristics of two avalanches within a 5-year interval at the slope failure site. Prior to both the events, we observed changes in surface velocity. This study highlights that we should consider antecedent conditions, for holistic assessment of hazards.

External Memberships

  • Editor of
  • Editor of , Part of Springer Nature.
  • Editor of Frontiers Research Topic
  • Editor for the open access journal Remote Sensing (ISSN 2072-4292) / Impact Factor (2018): 4.118. Also editor of special Issues:
    • Special Issue
    • Special Issue
    • Special Issue
  • Invited guest editor for a special issue ‘’ in open access journal Hydrology (ISSN 2306-5338).
Research

Research Overview

  • Remote sensing and Geographical Information System (GIS) applications
  • Landforms and surface processes
  • Glaciology; including alpine glacier dynamics, glacial geomorphology, glacial hazards and glaciers-climate interaction
  • High-resolution terrain modelling and interpretation
  • Use of Unmanned aerial systems (UAS)/drones for environmental monitoring and Mars analogue research

Research Areas

Accepting PhDs

I am currently accepting PhDs in Geography and Environment, Geology and Geophysics.

Please get in touch if you would like to discuss your research ideas further.

Geography and Environment

  • Accepting PhDs
View Research Area

Geology and Geophysics

  • Accepting PhDs
View Research Area

Research Specialisms

  • Remote Sensing
  • Geographical Information Systems
  • Glaciology and Cryospheric Systems
  • Geography
  • Planetary Science

Our research specialisms are based on the Higher Education Classification of Subjects (HECoS) which is , published under the licence.

Funding and Grants

  • Global Challange Research Internal Fund: Pump Prime grant for the project 'Ice stupa: a solution to improve Himalayan-Karakoram mountain community resilience to water scarcity'. During August 2020 - July 2021. Funding agency: The Aberdeen Grants Academy, 51cg
  • 'Geostatistical analysis of spatiotemporal trends of COVID-19 spread in UK'. NERC-Funded QUADRAT Research Experience Placement
  • 'Assessing the long-term impact of climatic variables on coastal changes in Scotland using geospatial tools'. NERC-Funded QUADRAT Research Experience Placement
  • 'Robust infrastructure – Adapting railway maintenance to climate change(CliMaint)'. Funding Agency: VINNOVA Sweden’s Innovation Agency
Teaching

Courses

Teaching Responsibilities

GG5540/GG5563 (CURRENT APPLICATIONS OF GIS): Course Coordinator and Tutor

GG3069 (REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEMS): Co-course coordinator and Tutor

GG5910 (DISSERTATION PROJECT IN GIS): Supervision

GL5206/5207 (THE NATURE OF GEOLOGICAL AND GEOGRAPHICAL DATA): Tutor

GL5546 (APPLIED, INDUSTRY AND RESEARCH GEOPHYSICS): Guest Lecturer

Publications

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  • Quantifying pre-collapse dynamics of hanging rock-ice masses using remote sensing datasets

    Sam, L., Bhardwaj, A., Temadri, P.
    Contributions to Conferences: Other Contributions
    • [ONLINE] DOI:

  • Comparative analysis of different machine learning algorithms for urban footprint extraction in diverse urban contexts using high-resolution remote sensing imagery

    Gui, B., Bhardwaj, A., Sam, L.
    Journal of Geographical Sciences, vol. 35, pp. 664-696
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [ONLINE]

  • A novel automated labelling algorithm for deep learning-based built-up areas extraction using nighttime lighting data

    Gui, B., Bhardwaj, A., Sam, L.
    Knowledge-Based Systems, vol. 306, 112702
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • From roofs to renewables: Deep learning and geographic information systems insights into a comprehensive urban solar photovoltaic assessment for Stonehaven

    Gui, B., Sam, L., Bhardwaj, A.
    Energy 360, vol. 1, 100006
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Revealing the evolution of spatiotemporal patterns of urban expansion using mathematical modelling and emerging hotspot analysis

    Gui, B., Bhardwaj, A., Sam, L.
    Journal of Environmental Management, vol. 364, 121477
    Contributions to Journals: Articles
    • [ONLINE]
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
    • [ONLINE]

  • The high-resolution map of Oxia Planum, Mars; the landing site of the ExoMars Rosalind Franklin rover mission

    Fawdon, P., Orgel, C., Adeli, S., Balme, M., Calef, F. J., Davis, J. M., Frigeri, A., Grindrod, P., Hauber, E., Le Deit, L., Loizeau, D., Nass, A., Quantin-Nataf, C., Sefton-Nash, E., Thomas, N., Torres, I., Vago, J. L., Volat, M., De Witte, S., Altieri, F., Apuzzo, A., Aramendia, J., Arana, G., Bahia, R. S., Banham, S. G., Barnes, R., Barrett, A. M., Benedix, W., Bhardwaj, A., Boazman, S. J., Bontognali, T. R. R., Bridges, J., Bultel, B., Ciarletti, V., De Sanctis, M. C., Dickeson, Z., Favaro, E. A., Ferrari, M., Foucher, F., Goetz, W., Haldemann, A. F. C., Harrington, E., Kapatza, A., Koschny, D., Krzesinska, A. M., Le Gall, A., Lewis, S. R., Lim, T., Madariaga, J. M., Man, B. J., Mandon, L., Mangold, N., Martin-Torres, J., McNeil, J. D., Molina, A., Moral, A. G., Motaghian, S., Nikiforov, S., Oudart, N., Pacifici, A., Parkes Bowen, A., Plettemeier, D., Poulakis, P., Putri, A. R. D., Ruesch, O., Sam, L., Schröder, C., Statz, C., Thomas, R., Tirsch, D., Toth, Z., Turner, S., Voelker, M., Werner, S. C., Westall, F., Whiteside, B. J., Williams, A., Williams, R. M. E., Wright, J., Zorzano, M.
    Journal of Maps, vol. 20, no. 1, 2302361
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Segment Anything Model (SAM) for Automatic Crater Detection

    Giannakis, I., Bhardwaj, A., Sam, L., Leontidis, G.
    EGU General Assembly 2024, pp. 21146
    Contributions to Conferences: Abstracts
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Methods and insights on enabling geovisualisation for coastal communities of the North Shore of Vancouver

    DiPaola, F., Bhardwaj, A., Sam, L.
    Coastal Studies & Society, vol. 3, no. 1, pp. 3-32
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]

  • Assessing the Efficacy of Glacier Inventories to Evaluate Climate Change Impacts: Key Takeaways from Baspa River Basin

    Sam, L., Bhardwaj, A., Singh, S., Sam, B. C., Kumar, R.
    Risk, Uncertainty and Maladaptation to Climate Change: Policy, Practice and Case Studies. Sarkar, A., Bandyopadhyay, N., Singh, S., Sachan, R. (eds.). 1 edition. Springer, pp. 93-124, 32 pages
    Chapters in Books, Reports and Conference Proceedings: Chapters (Peer-Reviewed)
    • [ONLINE] DOI:

  • Evaluating the Efficacy of Segment Anything Model for Delineating Agriculture and Urban Green Spaces in Multiresolution Aerial and Spaceborne Remote Sensing Images

    Gui, B., Bhardwaj, A., Sam, L.
    Remote Sensing, vol. 16, no. 2, 414
    Contributions to Journals: Articles
    • [ONLINE] DOI:
    • [OPEN ACCESS]
    • [ONLINE]
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