2024
Welford, J.K., 2024. Crustal structure of onshore-offshore Atlantic Canada and environs from constrained 3-D gravity inversion using variable mesh depths, Geophysical Journal International, 236, 2, 798-818, doi:10.1093/gji/ggad448. (link to journal article)
Peace, A.L., Sandeman, H.A., Welford, J.K., Dunning, G.R., and Camacho, A., 2024. Tithonian mafic intrusions in north-central Newfoundland: link to Atlantic rifting?, Canadian Journal of Earth Sciences, 61(1), 102-116, doi:10.1139/cjes-2023-0022. (link to journal article)
2023
Yang, P., and Welford, J.K., 2023. Structural configuration and tectonics of the Flemish Cap, offshore Newfoundland, from newly acquired seismic reflection data, Journal of the Geological Society of London, doi:10.1144/jgs2022-115. (link to journal article)
Dunham, M., Malcolm, A., and Welford, J.K., 2023. Predictive lithology mapping using semisupervised learning: Practical insights using a case study from New South Wales, Australia, Geophysics, 88, JM1-JM17, doi:10.1190/geo2022-0476.1. (link to journal article)
King, M.T., Welford, J.K., and Tugend, J., 2023. The role of the Ebro Block on the deformation experienced within the Pyrenean realm: Insights from deformable plate tectonic models, Journal of Geodynamics, 101962, 155, 101962, doi:10.1016/j.jog.2023.101962. (link to journal article)
2022
Peace, A.L., Bingham-Koslowski, N., McCartney, T., and Welford, J.K., 2022. The Orphan Basin: A review of basin evolution, structure, stratigraphy and petroleum systems, Earth Science Reviews, 232, 104148, doi:10.1016/j.earscirev.2022.104148. (link to journal article)
King, M.T., and Welford, J.K., 2022. Advances in deformable plate tectonic models: 1. Reconstructing deformable continental blocks and crustal thicknesses back through time, Geochemistry, Geophysics, Geosystems, 23, 6, e2022GC010372, doi:10.1029/2022GC010372. (link to journal article)
King, M.T., and Welford, J.K., 2022. Advances in deformable plate tectonic models: 2. Reconstructing the southern North Atlantic back through time, Geochemistry, Geophysics, Geosystems, 23, 6, e2022GC010373, doi:10.1029/2022GC010373. (link to journal article)
Zhu, Y., Wang, W., Welford, J.K., Farquharson, C.G., Yang, Y., Luo, X., Wang, D., Ma, T., and Ma, J., 2022. Structural features in the mid-latitude Western Pacific based on gravity and magnetic anomalies, Acta Geophysica Sinica, 65, 5, 1712-1731, doi:10.6038/cjg2022P0115. (link to journal article)
Yang, P., aund Welford, J.K., 2022. Kinematic plate modelling of the Goban Spur margin, offshore Ireland, with deforming zones constrained by seismic reflection data, Marine and Petroleum Geology, 139, 105595, doi:10.1016/j.marpetgeo.2022.105595. (link to journal article)
2021
Yang, P., Welford, J.K., and King, M.T., 2021. Assessing the rotation and segmentation of the Porcupine Bank, Irish Atlantic margin, during oblique rifting using deformable plate reconstruction, Tectonics, 40, e2020TC006665, doi:10.1029/2020TC006665. (link to journal article)
Dunham, M., Malcolm, A.E., and Welford, J.K., 2021. A seismic petrophysical classification study of the 2D SEAM model using semisupervised techniques and de-trended attributes, Geophysical Journal International, 227, 1123-1142, doi:10.1093/gji/ggab258. (link to journal article)
King, M.T., Welford, J.K., Cadenas, P., and Tugend, J., 2021. Investigating the plate kinematics of the Bay of Biscay using deformable plate tectonic models, Tectonics, doi:10.1029/2020TC006467. (link to journal article)
Neuharth, D., Brune, S., Glerum, A.C., Heine, C., and Welford, J.K., 2021. Formation of continental microplates through rift linkage: Numerical modelling and its application to the Flemish Cap and Sao Paulo Plateau, Geochemistry, Geophysics, Geosystems, 22, e2020GC009615, doi:10.1029/2020GC009615. (link to journal article)
Yang, P., and Welford, J.K., 2021. Investigating the Porcupine Atlantic margin, offshore Ireland, through integration of new seismic reflection and gravity data, Tectonophysics, 807, doi:10.1016/j.tecto.2021.228809. (link to journal article)
2020
King, M.T., Welford, J.K., and Peace, A.L., 2020. Investigating the role of the Galicia Bank on the formation of the West Iberian margin using deformable plate tectonic models, Tectonophysics, 789, doi:10.1016/j.tecto.2020.228537. (link to journal article)
Geng, M., Welford, J.K., Farquharson, C.G., Peace, A.L., and Hu, X., 2020. 3D joint inversion of airborne gravity gradiometry and magnetic data using a probabilistic method, Geophysical Journal International, 223, 301-322, doi:10.1093/gji/ggaa283. (link to journal article)
MacMahon, H., Welford, J.K., Sandoval, L., and Peace, A.L., 2020. The Rockall and Orphan basins of the southern North Atlantic Ocean: Determining continuous basins across conjugate margins, Geosciences (Switzerland), 10, 5, doi:10.3390/geosciences10050178. (link to journal article)
Dunham, M., Malcolm, A.E., and Welford, J.K., 2020. Improved well log classification using semisupervised Gaussian mixture models and a new hyper-parameter selection strategy, Computers and Geosciences, 140, doi:10.1016/j.cageo.2020.104501. (link to journal article)
Yang, P., Welford, J.K., Peace, A.L., and Hobbs, R., 2020. Investigating the Goban Spur rifted continental margin, offshore Ireland, through integration of new seismic reflection and potential field data, Tectonophysics, 777, doi:10.1016/j.tecto.2020.228364. (link to journal article)
Peace, A.L., and Welford, J.K., 2020. "Conjugate margins" - An oversimplification of the complex southern North Atlantic rift and spreading system?, Interpretation, 8(2), doi:10.1190/int-2019-0087.1. (link to journal article)
Welford, J.K., Dehler, S.E., and Funck, T., 2020. Crustal velocity structure across the Orphan Basin and Orphan Knoll to the continent-ocean transition, offshore Newfoundland, Canada, Geophysical Journal International, 221, 37-59, doi:10.1093/gji/ggz575. (link to journal article)
Welford, J.K., Cameron, D., Gillis, E., Mitchell, V., and Wright, R., 2020. Crustal structure of the offshore Labrador margin into deep water from combined seismic reflection interpretation and gravity modelling, Interpretation, 8(2), doi:10.1190/int-2019-0068.1. (link to journal article)
Schiffer, C., Doré, A., Foulger, G.R., Franke, D., Geoffroy, L., Gernigon, L., Holdsworth, R., Kusznir, N., Lundin, E., McCaffrey, K.J.W., Peace, A.L., Petersen, K.D., Phillips, T., Stephenson, R., Stoker, M.S., and Welford, J.K., 2020. Tectonic inheritance and its role in the evolution of the North Atlantic, Earth Science Reviews, 206, doi:10.1016/j.earscirev.2019.102975. (link to journal article)
Peace, A.L., Phethean, J.J.J., Franke, D., Foulger, G.R., Schiffer, C., Welford, J.K., McHone, G., Rocchi, S., Schnabel, M., and Doré, A.G., 2020. A review of Pangaea dispersal and Large Igneous Provinces - in search of a causative mechanism, Earth Science Reviews, 206, 102902, doi:10.1016/j.earscirev.2019.102902. (link to journal article)
Dunham, M., Malcolm, A.E., and Welford, J.K., 2020. Improved well log classifications using semi-supervised label propagation and self-training, with comparisons to popular supervised algorithms, Geophysics, 85, O1-O15, doi:10.1190/geo2019-0238.1. (link to journal article)
2019
Sandoval, L., Welford, J.K., MacMahon, H., and Peace, A.L., 2019. Determining continuous basins across conjugate margins: The East Orphan, Porcupine, and Galicia Interior basins of the southern North Atlantic Ocean, Marine and Petroleum Geology, 110, 138-161, doi:10.1016/j.marpetgeo.2019.06.047. (link to journal article)
Heron, P., Peace, A.L., McCaffrey, K., Welford, J.K., Wilson, R., and Pysklywec, R., 2019. Segmentation of rifts through structural inheritance: Creation of the Davis Strait, Tectonics, 38, 2411-2430, doi:10.1029/2019TC005578. (link to journal article)
Peace, A.L., Welford, J.K., Ball, P., and Nirrengarten, M., 2019. Deformable plate tectonic models of the southern North Atlantic, Journal of Geodynamics, 128, 11-37, doi:10.1016/j.jog.2019.05.005. (link to journal article)
Geng, M., Welford, J.K., Farquharson, C.G., and Peace, A.L., 2019. 3-D inversion of airborne gravity gradiometry data for the Budgell Harbour Stock, Newfoundland: A case history using a probabilistic approach, Geophysics, 84(4), B269-B284, doi:10.1190/geo2018-0407.1. (link to journal article)
Geng, M., Welford, J.K., and Farquharson, C.G., 2019. Gravity modelling for crustal-scale models of rifted continental margins using a constrained 3-D inversion method, Geophysics, 84(4), G25-G39, doi:10.1190/geo2018-0134.1. (link to journal article)
Yang, M., Wang, W., Welford, J.K., and Farquharson, C.G., 2019. 3D gravity inversion with optimized mesh based on edge and center anomaly detection, Geophysics, 84(3), G13-G2, doi:10.1190/geo2018-0390.1. (link to journal article)
2018
Peace, A.L., Welford, J.K., Geng, M., Sandeman, H., Gaetz, B.D., and Ryan, S.S., 2018. Structural geology data and 3-D subsurface models of the Budgell Harbour Stock and associated dykes, Newfoundland, Canada, Data in Brief, 21, 1690-1696, doi:10.1016/j.dib.2018.10.072. (link to journal article)
Peace, A.L., Welford, J.K., Geng, M., Sandeman, H., Gaetz, B.D., and Ryan, S.S., 2018. Rift-related magmatism on magma-poor margins: Structural and potential-field analyses of the Mesozoic Notre Dame Bay intrusions, Newfoundland, Canada and their link to North Atlantic Opening, Tectonophysics, 745, 24-45, doi:10.1016/j.tecto.2018.07.025. (link to journal article)
Peace, A.L., Dempsey, E.D., Schiffer, C., Welford, J.K., McCaffrey, K.J.W., Imber, J., and Phethean, J.J.J., 2018. Evidence for basement reactivation during the opening of the Labrador Sea from the Makkovik Province, Labrador, Canada: Insights from field data and numerical models, Geosciences (Switzerland), 8, 308, doi:10.3390/geosciences8080308. (link to journal article)
Welford, J.K., Peace, A.L., Geng, M., Dehler, S.A., and Dickie, K., 2018. Crustal structure of Baffin Bay from constrained three-dimensional gravity inversion and deformable plate tectonic models, Geophysical Journal International, 214, 2, 1281-1300, doi:10.1093/gji/ggy193. (link to journal article)
2017
Gouiza, M., Hall, J., and Welford, J.K., 2017. Tectono-stratigraphic evolution and crustal architecture of the Orphan Basin during North Atlantic rifting, International Journal of Earth Sciences, 106, 3, 917-937, doi:10.1007/s00531-016-1341-0. (link to journal article)
2015
Welford, J.K., Hall, J., Rahimi, A., Reiche, S., Hübscher, C., and Louden, K., 2015. Crustal sptructure from the Hecataeus Rise to the Levantine Basin, eastern Mediterranean, from seismic refraction and gravity modelling, Geophysical Journal International, 203, 2055-2069. (link to journal article)
Welford, J.K., Hall, J., Hübscher, C., Reiche, S., and Louden, K., 2015. Crustal seismic velocity structure from Eratosthenes Seamount to Hecataeus Rise across the Cyprus Arc, eastern Mediterranean, Geophysical Journal International, 200, 933-951. (link to journal article)
2013
Welford, J.K., and Hall, J., 2013. Lithospheric structure of the Labrador Sea from constrained 3-D gravity inversion, Geophysical Journal International, 195, 2, 767-784. (link to journal article)
2012
Welford, J.K., Shannon, P.M., O'Reilly, B.M., and Hall, J., 2012. Comparison of lithosphere structure across the Orphan Basin/Flemish Cap and Irish Atlantic conjugate continental margins from constrained 3-D gravity inversions. Journal of the Geological Society of London, 169, 4, 405-420, doi:10.1144/0016-76492011. (link to journal article)
Dehler, S.A. and Welford, J.K., 2012. Variations in rifting style and structure of the Scotian margin, Atlantic Canada, from 3-D gravity inversion. In: Mohriak, W.U., Danforth, A., Post, P.J., Brown, D.E., Tari, G.C., Nemčok, M., and Sinha, S.T. (eds) Conjugate Divergent Margins. Geological Society of London, Special Publications, 369, 289-300, doi: 10.1144/SP369.11. (link to journal article)
2010
Welford, J.K., Hall, J., Sibuet, J.-C., and Srivastava, S.P., 2010. Structure across the northeastern margin of Flemish Cap, offshore Newfoundland from Erable multichannel seismic reflection profiles: evidence for a transtensional rifting environment. Geophysical Journal International, 183, 572-586. (link to journal article)
Welford, J.K., Shannon, P.M., O'Reilly, B.M., and Hall, J., 2010. Lithospheric density variations and Moho structure of the Irish Atlantic continental margin from constrained 3-D gravity inversion, Geophysical Journal International, 183, 79-95. (link to journal article)
Welford, J.K., Smith, J., Hall, J., Deemer, S., Srivastava, S., and Sibuet, J.-C., 2010. Structure and rifting evolution of the northern Newfoundland Basin from Erable multichannel seismic reflection profiles across the southeastern margin of Flemish Cap, Geophysical Journal International, 180, 976-998. (link to journal article)
2007
Welford, J.K., and Hall, J., 2007. Crustal structure of the Newfoundland rifted continental margin from constrained 3-D gravity inversion, Geophysical Journal International, 171, 890-908. (link to journal article)
link
Welford, J.K., Hearn, E.H., and Clowes, R.M., 2007. The possible role of mid-crustal igneous sheet intrusions in cratonic arch formation, Tectonics, 26, TC5012, doi:10.1029/2006TC002023. (link to journal article)
2006
Welford, J.K., and Clowes, R.M., 2006. Three-dimensional seismic reflection investigation of the upper crustal Winagami sill complex of northwestern Alberta, Canada, Geophysical Journal International, 166, 155-169. (link to journal article)
2005
Fernandez Viejo, G., Clowes, R.M., and Welford, J.K., 2005. Constraints on the composition of the crust and uppermost mantle in northwestern Canada: Vp/Vs variations along Lithoprobe's SNorCLE Transect, Canadian Journal of Earth Sciences, 42, 1205-1222. (link to journal article)
Clowes, R.M., Hammer, P.T.C., Fernandez Viejo, G., and Welford, J.K., 2005. Lithospheric structure in northwestern Canada from Lithoprobe seismic refraction and related studies: A synthesis, Canadian Journal of Earth Sciences, 42, 1277-1293. (link to journal article)
2004
Welford, J.K. and Clowes, R.M., 2004. Deep 3-D seismic reflection imaging of Precambrian sills in southwestern Alberta, Canada, Tectonophysics, 388, 161-172. (link to journal article)
Welford, J.K. and Zhang, R., 2004. Ground roll suppression from deep crustal seismic reflection data using a wavelet-based approach: a case study from western Canada, Geophysics, 69, 877-884. (link to journal article)
2001
Welford, J.K., Clowes, R.M., Ellis, R.M., Spence, G.D., Asudeh, I., and Hajnal, Z., 2001. Lithospheric structure across the craton-Cordilleran transition of northeastern British Columbia, Canadian Journal of Earth Sciences, 38, 1169-1189. (link to journal article)
REFEREED PUBLICATIONS
Associate Professor
Last updated January 15th, 2024