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Manual mapping of drumlins in synthetic landscapes to assess operator effectiveness.

Hillier, J.K. and Smith, M.J. and Armugam, R. and Barr, I. and Boston, C.M. and Clark, C.D. and Ely, J. and Fankl, J. and Greenwood, S.L. and Gosselin, L. and Hattestrand, C. and Hogan, K. and Hughes, A.L. and Livingstone, S.L. and Lovell, H. and McHenry, M. and Monoz, Y. and Pellicer, X.M. and Pellitero, R. and Robb, C. and Roberson, S. and Ruther, D. and Spagnolo, M. and Standell, M. and Stokes, C.R. and Storrar, R. and Tate, N.J. and Wooldridge, K. (2014) 'Manual mapping of drumlins in synthetic landscapes to assess operator effectiveness.', Journal of maps., 11 (5). pp. 719-729.


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.

Item Type:Article
Keywords:Glacial landform, Synthetic, Drumlin, Mapping, DEM, Objective.
Full text:(AM) Accepted Manuscript
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Publisher statement:This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of maps on 18/09/2014, available online at:
Date accepted:17 August 2014
Date deposited:09 March 2015
Date of first online publication:2015
Date first made open access:No date available

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