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Hillier, J.K.; Smith, M.J.; Armugam, R.; Barr, I.; Boston, C.M.; Clark, C.D.; Ely, J.; Fankl, J.; Greenwood, S.L.; Gosselin, L.; Hattestrand, C.; Hogan, K.; Hughes, A.L.; Livingstone, S.L.; Lovell, H.; McHenry, M.; Monoz, Y.; Pellicer, X.M.; Pellitero, R.; Robb, C.; Roberson, S.; Ruther, D.; Spagnolo, M.; Standell, M.; Stokes, C.R.; Storrar, R.; Tate, N.J.; Wooldridge, K. (2014)
Publisher: Taylor & Francis
Types: Article
Subjects: GA101, Drumlin, Synthetic, Mapping, Objective., geography, Glacial landform, GB, DEM
Mapped topographic features are important for understanding processes that sculpt the Earth’s surface. This paper presents maps that are the primary product of an exercise that brought together 27 researchers with an interest in landform mapping wherein the efficacy and causes of variation in mapping were tested using novel synthetic DEMs containing drumlins. The variation between interpreters (e.g. mapping philosophy, experience) and across the study region (e.g. woodland prevalence) opens these factors up to assessment. A priori known answers in the synthetics increase the number and strength of conclusions that may be drawn with respect to a traditional comparative study. Initial results suggest that overall detection rates are relatively low (34–40%), but reliability of mapping is higher (72–86%). The maps form a reference dataset.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • Anders, N.S., Seijmonsbergen, A.C., Bouten, W., 2011. Segmentation optimization and stratified object-based analysis for semi-automated geomorphological mapping. Remote Sensing of Environment 115, 2976-2985.
    • Anonymous, 1963. Imagery interpretation section - the eyes of the division. US Army, 24th Infantry Division, Augsburg, Germany.
    • Armugam, R., Hillier, J. K., Smith, M., 2012. Quantifying how well drumlins can be mapped using synthetic DEMs. IAG/AIG International Workshop: 'Objective Geomorphological Representation Models: Breaking Through a New Geomorphological Mapping Frontier'.
    • University of Salerno, Oct 15-19.
    • Behn, M. D., Sinton, J. M., Deitrick, R. S., 2004. Effect of the Galapagos hotspot on seamount volcanism along the Galapagos Spreading Center. Earth and Planetary Science Letters, 217, 331-347.
    • Boyce, J., and Eyles, N., 1991. Drumlins carved by deforming till streams below the Laurentide ice sheet. Geology, 19(8), 787-790.
    • Chorley, R. J., 1959. The Shape of drumlins. J. Glaciology, 3, 339-344.
    • Clark, C.D., Hughes, A.L.C., Greenwood, S.L., Spagnolo, M., Ng, F.S.L., 2009. Size and shape characteristics of drumlins, derived from a large sample, and associated scaling laws.
    • Quaternary Science Reviews 28, 677-692.
    • Colgan, P., Mickelson, D. M. (1997). Genesis of streamlined landforms and flow history of the Green Bay Lobe, Wisconsin, USA. Sediment. Geol., 111, 7-25.
    • Colwell, R.N. (Ed.), 1960. Manual of Photographic Intrerpretation, American Society of Photogrammetry, pp868.
    • Drăguţ, L., Blaschke, T., 2006. Automated classification of landform elements using object-based image analysis. Geomorphology 81, 330-344.
    • Eisank, C., Smith, M., Hillier, J. 2014. Assessment of multiresolution segmentation for delimiting drumlins in digital elevation models. Geomorphology, 214, 452-464.
    • Evans, I.S., 1972. General Geomorphometry, derivatives of altitude and descriptive statistics., In: Chorley, R.J. (Ed.), Spatial Analysis in Geomorphology. Harper and Row, New York, pp. 17-90.
    • Evans, I. S., 2012. Geomorphometry and landform mapping: What is a landform? Geomorphology, 137, 94-106. doi:10.1016/j.geomorph.2010.09.029 Finlayson, A., Merritt, J., Browne, M., Merritt, J., McMillan, A., Whitbred, K., 2010. Ice sheet advance, dynamics, and decay configurations: evidence from west central Scotland.
    • Quaternary Science Reviews, 29 (7-8), 969-988.
    • Fisher, P., Wood, J., Cheng, T., 2004. Where is Helvellyn? Fuzziness of multi-scale landscape morphometry. Transactions of the Institute of British Geographers 29, 106-128.
    • Hillier, J. K., Watts, A. B., 2004. “Plate-like” subsidence of the East Pacific Rise - South Pacific Superswell system. Journal of Geophysical Research, 109(B10102).
    • Hillier, J. K., 2008. Seamount detection and isolation with a modified wavelet transform.
    • Basin Research, 20, 555-573.
    • Hillier, J. K., Smith, M. 2008. Residual relief separation: digital elevation model enhancement for geomorphological mapping. Earth Surface Processes and Landforms, 33(14), 2266- 2276. doi:10.1002/esp.
    • Reed, B., Galvin, C. J., and Millier, J. P., 1962. Some aspects of drumlin geometry. American Journal of Science, 260, 200-210.
    • Rose, J., Letzer, J. M.,1975. Drumlin measurements: a test of the reliability of data derived from 1:25,000 scale topographic maps, Geol. Mag., 112, 361-371.
    • Rose, J., Letzer, J. M., 1977. Superimposed drumlins, J. Glaciol., 18, 471-480.
    • Rose, J., Smith, M.J., 2008. Glacial geomorphological maps of the Glasgow region, western central Scotland. Journal of Maps v2008, 399-416.
    • Saha, K., Wells, N.A., Munro-Stasiuk, M., 2011. An object-oriented approach to automated landform mapping: A case study of drumlins. Computerrs and Geosciences 37, 1324-1336.
    • Shaw, J., 1983. Drumlin formation related to inverted melt-water erosional marks. J.
    • GlaciologyJ., 29(103), 461-479.
    • Shaw, J., Kvill, D., and Rains, B., 1989. Drumlins and catastrophic subglacial floods.
    • Sedimentary Geology, 62(2), 177-202.
    • Siegal, B.S., 1977. Significance of operator variation and the angle of illumination in lineament analysis of synoptic images. Modern Geology 6, 75-85.
    • Sithole, G., and Vosselman, G., 2004. Experimental comparison of filter algorithms for bareEarth extraction from airborne laser scanning point clouds. ISPRS Journal of Photogrammetry & Remote Sensing, 59, 85-101.
    • Smalley, I., Lu, P., Jefferson, I., 2000. The Golf-Ball Model and the Purpose of Drumlin Formation. Studia Quaternaria, 17, 29-33.
    • Smith, A.M., Murray, T., Nicholls, K.W., Makinson, K., Adalgerirsdottir, G., Behar, A.E., Vaughan, D.G., 2007. Rapid erosion, drumlin formation, and changing hydrology beneath an Antarctic Ice Stream. Geology, 35, 2, 127-130.
    • Smith, M.J., Clark, C.D., 2005. Methods for the visualisation of digital elevation models for landform mapping. Earth Surface Processes and Landforms 30, 885-900.
    • Smith, M.J., Rose, J., Booth, S., 2006. Geomorphological mapping of glacial landforms from remotely sensed data: an evaluation of the principal data sources and an assessment of their quality, Geomorphology, 76, 148-165.
    • Spagnolo, M., Clark, C. D., & Hughes, A. L. C., 2012. Drumlin relief. Geomorphology, 153- 154, 179-191.
    • Stokes, C. R., Clark, C. D., 2002. Are long subglacial bedforms indicative of fast ice flow? Boreas, 31(3), 239-249.
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