Publications

Articles in peer-reviewed international and national journals

Mäkinen, J., Dow, C.F., Ahokangas, E., Ojala, A.E.K., Kajuutti, K., Kautto, J., Palmu, J.-P., 2023. Water blister geomorphology and subglacial drainage sediments: an example from the bed of the Fennoscandian Ice Sheet in SW Finland. Journal of Glaciology 1–17. https://doi.org/10.1017/jog.2023.37

Hovikoski, J., Mäkinen, J., Winsemann, J., Soini, S., Kajuutti, K., Hepburn, A., Ojala, A.E.K., 2023. Upper-flow regime bedforms in a subglacial triangular-shaped landform (murtoo), late Pleistocene, SW Finland: Implications for flow dynamics and sediment transport in (semi-)distributed subglacial meltwater drainage systems. Sedimentary Geology 106448. https://doi.org/10.1016/j.sedgeo.2023.106448

Mäkinen, J., Kajuutti, K., Ojala, A.E.K, Ahokangas, E., Palmu, J.-P., 2023. Genesis of subglacial triangular-shaped landforms (murtoos) of the Fennoscandian Ice Sheet. Earth Surface Processes and Landforms, https://doi.org/10.1002/esp.5606

Karpin, V., Heinsalu, A., Ojala, A.E.K., Virtasalo, J., 2023. Offshore murtoos indicate warm-based Fennoscandian ice-sheet conditions during the Bølling warming in the northern Gulf of Riga, Baltic Sea. Geomorphology 430, 108655. https://doi.org/10.1016/j.geomorph.2023.108655

Ojala, A.E.K., Mäkinen, J., Hovikoski, J., Palmu, J.-P., Ahokangas, E., Kajuutti, K., Soini, S., Kautto, J., Kuukka, A., Porkka, J., Johnson, M., Peterson Becher, G., Öhrling, C., Hepburn, A., Dow, C. 2023. Murtoot – mitä ne ovat? Murtoos – What do we know about them? Geologi 6, 204-218. https://www.geologinenseura.fi/fi/geologi-lehti/6-2022

Ojala, A.E.K., Mäkinen, J., Kajuutti, K., Ahokangas, E., Palmu, J.-P. 2022. Subglacial evolution from distributed to channelized drainage: Evidence from the Lake Murtoo area in SW Finland. Earth Surface Processes and Landforms 47, 2877-2896. https://doi.org/10.1002/esp.5430

Ahokangas, E., Ojala, A.E.K., Tuunainen, A., Valkama, M., Palmu, J.-P., Kajuutti, K., Mäkinen, J. 2021. The distribution of glacial meltwater routes and associated murtoo fields in Finland. Geomorphology 389, 107854. https://doi.org/10.1016/j.geomorph.2021.107854

Ojala, A.E.K., Mäkinen, J., Ahokangas, E., Kajuutti, K., Valkama, M., Tuunainen, A., Palmu, J.-P. 2021. Diversity of murtoos and murtoo-related subglacial landforms in the Finnish area of the Fennoscandian Ice Sheet. Boreas 50, 1095-1115. https://doi.org/10.1111/bor.12526

Peterson Becher, G. 2021. Sedimentology and Geomorphology of Glacial Landforms in Southern Sweden – Studying the Landscape of a Melting Ice Sheet. Doctoral thesis. Department of Earth Sciences, University of Gothenburg, Gothenburg. http://hdl.handle.net/2077/67278

Peterson Becher, G., Johnson, M.D. 2021. Sedimentology and internal structure of murtoos -V- shaped landforms indicative of a dynamic subglacial hydrological system. Geomorphology. 380 (107644). https://doi.org/10.1016/j.geomorph.2021.107644

Ojala, A.E.K., Peterson, G., Mäkinen, J., Johnson, M.D., Kajuutti, K., Palmu, J.-P., Ahokangas, E., Öhrling, C. 2019. Ice-sheet scale distribution and morphometry of triangular-shaped hummocks (murtoos): a subglacial landform produced during rapid retreat of the Scandinavian Ice Sheet. Annals of Glaciology 1–12. https://doi.org/10.1017/aog.2019.34

Peterson, G., Johnson, M.D., Smith, C.A. 2017. Glacial geomorphology of the south Swedish uplands – focus on the spatial distribution of hummock tracts. Journal of Maps 13, 534-544. https://doi.org/10.1080/17445647.2017.1336121

Mäkinen, J., Kajuutti, K., Palmu, J.-P., Ojala, A.E.K., Ahokangas, E. 2017. Triangular-shaped landforms reveal subglacial drainage routes in SW Finland. Quaternary Science Reviews 164, 37–53. https://doi.org/10.1016/j.quascirev.2017.03.024

Papers and abstracts in scientific meetings

Kautto, J., Kajuutti, K., Mäkinen, J., Ojala, A.E.K. & Ahokangas, E. 2024. Murtoos and related landforms cross-cutting ribbed moraine in Western Finland: Implications for rapidly increasing subglacial drainage. Nordic Geological Winter Meeting 2024, 10-12.1.2024, Gothenburg, Sweden.

Hepburn, A., Dow, C., Ojala, A.E.K., Ahokangas, E., Mäkinen, J., Palmu, J.-P., Kajuutti, K. 2022. Reorganisation of subglacial drainage during rapid melting of former ice sheets. C45D – Linking Glaciological Observations to Paleo Archives from Subglacial to Marine Environments III Posters, C45D-1122. AGU Fall Meeting Chicago IL, 12-16 December 2022.

Ahokangas, E. Mäkinen, J., Ojala, A.E.K., Kajuutti, K., Palmu, J.-P. 2020. Murtoos and subglacial meltwater routes are significant geomorphological features in the trunk area of the Finnish Lake District Ice Lobe. NGF Abstracts and and Proceedings no 1, 2020. The 34th Nordic Geological Winter Meeting, 8-10.1.2020, Oslo, Norway.

Mäkinen, J., Kajuutti, K., Ojala, A.E.K., Ahokangas, E., Palmu, J.-P. 2019. Sedimentary characteristics of Finnish MURTOOs – triangular-shaped subglacial landforms produced during rapid retreat of continental ice sheets. Advances in Glacier Hydrology III Posters, C13C-1309. AGU Fall Meeting San Fransisco CA, 9-13 December 2019.

Ojala, A.E.K., Mäkinen, J., Peterson, G., Kajuutti, K., Johnson, M., Palmu, J.-P., Ahokangas, E., Öhrling, C. 2019. Geomorphology of MURTOOs – a Triangular-shaped Subglacial Landforms Produced During Rapid Retreat of Continental Ice Sheets. Advances in Glacier Hydrology III Posters, C13C-1326. AGU Fall Meeting San Fransisco CA, 9-13 December 2019.

Kajuutti, K., Mäkinen, J., Ahokangas, E., Ojala, A.E.K., Palmu, J.-P., Johnson, M., Peterson, G., Öhrling, C. 2019. A subglacial landform called ‘murtoo’: characterization and distribution. 19NB3520. Abstract volume. Nordic Branch Meeting of the International Glaciological Society Reykholt, Borgarfjörður, Iceland, October 30 – November 1 2019.

Johnson, M., Mäkinen, J., Peterson, G., Ojala, A.E.K., Palmu, J.-P., Kajuutti, K., Öhrling, C., Ahokangas, E. 2018. Geomorphology and distrubution of subglacial triangular hummocs (murtoos) in Sweden and Finland. Nordic Geological Winter Meeting 2018, 10-12.1.2018, Copenhagen, Denmark.

Kajuutti, K., Mäkinen, J., Ahokangas, E., Ojala, A.E.K., Palmu, J.-P. 2018. New subglacial landforms detected from LiDAR data. Nordic Geological Winter Meeting 2018, 10-12.1.2018, Copenhagen, Denmark.

Mäkinen, J., Kajuutti, K., Ahokangas, E., Ojala, A.E.K, Palmu, J.-P. 2018. Sedimentology of murtoos – new subglacial landsforms detected from LiDAR data in SW Finland. Nordic Geological Winter Meeting 2018, 10- 12.1.2018, Copenhagen, Denmark.