Submitted
Schalamon, F. R., Scher, S., Trügler, A., Hartl, L., Schöner, W., and Abermann, J.: The role of atmospheric large-scale patterns for recent warming periods in Greenland, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-4060, 2025.
Hartl, L., Covi, F., Stocker-Waldhuber, M., Baldo, A., Fugazza, D., Di Mauro, B., and Naegeli, K.: Loss of accumulation zone exposes dark ice and drives increased ablation at Weißseespitze, Austria, EGUsphere [accepted in The Cryosphere], https://doi.org/10.5194/egusphere-2025-384, 2025.
Menounos, B., Huss, M., Marshall, S., Ednie, M., Florentine, C. and Hartl, L. Western North American and Swiss glaciers experience unprecedented mass loss over the last four years (2021-2024). [accepted in Geophysical Research Letters]
Peer Reviewed
Hartl*, L.; Schmitt*, P., Schuster, L., Helfricht, K., Abermann, J., and Maussion, F (2025). Recent observations and glacier modeling point towards near complete glacier loss in western Austria (Ötztal and Stubai mountain range) if 1.5°C is not met. The Cryosphere, 19, 1431–1452, https://doi.org/10.5194/tc-19-1431-2025. [*equal contributions]
Hartl, L., Schmitt, C., Stuefer, M., Jenckes, J., Page, B., Crawford, C., Schmidt, G., Yang, R., and Hock, R. (2025) Leveraging airborne imaging spectroscopy and multispectral satellite imagery to map glacial sediment plumes in Kachemak Bay, Alaska. Journal of Hydrology - Regional studies. Volume 57. 102121, ISSN 2214-5818, https://doi.org/10.1016/j.ejrh.2024.102121.
Schmitt, C. G., Järvinen, E., Schnaiter, M., Vas, D., Hartl, L., Wong, T., and Stuefer, M. (2024) Classification of ice particle shapes using machine learning on forward light scattering images. Artif. Intell. Earth Syst., 3, 230091, https://doi.org/10.1175/AIES-D-23-0091.1.
Schmitt, C. G., Vas, D., Schnaiter, M., Järvinen, E., Hartl, L., Wong, T., Cassella, V., and Stuefer, M. (2024) Microphysical characterization of boundary layer ice particles: results from a 3-year measurement campaign in interior Alaska. J. Appl. Meteor. Climatol., 63, 699–716, https://doi.org/10.1175/JAMC-D-23-0190.1.
Kellerer-Pirklbauer-Eulenstein, A., Bodin, X., Delaloye, R., Lambiel, C., Gärtner-Roer, I., Bonnefoy-Demongeot, M., Carturan, L., Damm, B., Eulenstein, J., Fischer, A., Hartl, L., Ikeda,A., Kaufmann, V., Krainer, K., Matsuoka, N., Morra Di Cella, U., Noetzli, J., Seppi, R., Scapozza, C., Schoeneich, P., Stocker-Waldhuber, M., Thibert, E., and Zumiani, M. (2024). Acceleration and interannual variability of creep rates in mountain permafrost landforms (rock glacier velocities) in the European Alps in 1995–2022. Environmental Research Letters. doi: 10.1088/1748-9326/ad25a4
Hartl, L., Zieher, T., Bremer, M., Stocker-Waldhuber, M., Zahs, V., Höfle, B., Klug, C., and Cicoira, A. (2023) Multi-sensor monitoring and data integration reveal cyclical destabilization of the Äußeres Hochebenkar rock glacier. Earth Surface Dynamics,11,117–147. https://doi.org/10.5194/esurf-11-117-2023.
Hartl, L., Stuefer, M. & Saito, T. (2020) History and data records of the automatic weather station on Denali Pass (5715m), 1990-2007. Journal of Applied Meteorology and Climatology, 59-12, 2113–2127, https://doi.org/10.1175/JAMC-D-20-0082.1
Hartl, L., Stuefer, M. & Saito, T. (2020). The Mountain Weather and Climate of Denali, Alaska - An Overview. Journal of Applied Meteorology and Climatology, 59-4, 621–636, https://doi.org/10.1175/JAMC-D-19-0105.1
Hartl, L., Fischer, A., & Olefs, M. (2018). Analysis of past changes in wet bulb temperature in relation to snow making conditions based on long term observations Austria and Germany. Global and Planetary Change, 167, 123-136, https://doi.org/10.1016/j.gloplacha.2018.05.011
Helfricht, K., Hartl, L., Koch, R., Marty, C., & Olefs, M. (2018). Investigating performance and correlation of ground-based snow depth and precipitation measurements, in: (Montana State University Library, Ed.), International Snow Science Workshop Proceedings 2018.
Hartl, L., Fischer, A., Abermann, J. & Stocker-Waldhuber, M. (2016): Recent speed-up of an Alpine rock glacier: an updated chronology of the kinematics of Outer Hochebenkar rock glacier based on geodetic measurements. Geografiska Annaler: Series A, Physical Geography, 98, 129–141. DOI:10.1111/geoa.12127.
Hartl, L.; Fischer, A.; Klug, C. & Nicholson, L. (2016): Can a simple Numerical Model Help to Fine-Tune the Analysis of Ground-Penetrating Radar Data? Hochebenkar Rock Glacier as a Case Study. Arctic, Antarctic, and Alpine Research: May 2016, Vol. 48, No. 2, pp. 377-393.
Fischer, A.; Helfricht, K.; Wiesenegger, H.; Hartl, L.; Seiser, B. & Stocker-Waldhuber, M. (2016) Chapter 9 - What Future for Mountain Glaciers? Insights and Implications From Long-Term Monitoring in the Austrian Alps, In: Gregory B. Greenwood and J.F. Shroder, Editor(s), Developments in Earth Surface Processes, Elsevier, 21, 325-382.
Stocker-Waldhuber, M., Helfricht, K., Hartl, L. & Fischer, A. (2013): Glacier Surface Mass Balance 2006-2014 on Mullwitzkees and Hallstätter Gletscher, Austria. Zeitschrift für Gletscherkunde und Glazialgeologie, 47, 101-119.
Misc.
Hartl, L. & Fischer, A. (2015): Kapitel 4 / Meteorologische Bedingungen und Strahlungsverhältnisse am Blockgletscher Äußeres Hochebenkar. Forschung am Blockgletscher – Alpine Reserach Centre Obergurgl – volume 4, p. 97-115, Innsbruck university press, Innsbruck.
Hartl, L.; Kaufmann, R.; Schallhart, N. & Erschbamer, E. (2013): Kapitel 7 / Das Mikroklima waldfreier Standorte in der subalpinen, alpinen und subnivalen Stufe in Obergurgl. Klima, Wetter, Gletscher im Wandel - Alpine Research Centre Obergurgl – volume 3, p. 165-186, Innsbruck university press, Innsbruck.
Abermann, J.; Kuhn, M.; Lambrecht, A. & Hartl L. (2013): Kapitel 3 / Gletscher in Tirol, ihre Verteilung und jüngesten Veränderungen. Klima, Wetter, Gletscher im Wandel - Alpine Research Centre Obergurgl – volume 3, p. 49-67, Innsbruck university press, Innsbruck.
Fischer, A. & Hartl, L. (2013): Kapitel 2 / Langzeitmonitoring von Gletschermassenbilanzen und -längenänderungen in Tirol. Klima, Wetter, Gletscher im Wandel - Alpine Research Centre Obergurgl – volume 3, p. 31-48, Innsbruck university press, Innsbruck.
Selected conference presentations
2024, 29th International Polar Conference: “Air- and spaceborne remote sensing reveals glacier runoff driven sediment plumes in Kachemak Bay, Alaska.” Rauris (AT), September 16-20 (Talk)
2024, EGU: “The dark zone of an alpine glacier - considering albedo impacts of firn loss.” Vienna (AT), April 14-19 (Talk)
2024, IASC Network on Arctic Glaciology: “Snow observations in Alaska: The need for continued in situ monitoring.” Obergurgl (AT), January 22-24 (Poster)
2023, IUGG: “Exploring the potential of airborne hyperspectral imagery for cryospheric monitoring.” Berlin (GER), 2023 July (Talk)
2023, Arctic Science Summit Week: “What color is Alaska’s ocean?” Vienna (AT), 2023 February (Talk)
2023, Alpine Glaciology Meeting: “Summer 2022 at Jamtalferner, AT” Zurich, Switzerland, 2023 February (Short talk)
2021, EGU: “Clustering patterns of volume change to classify glacier states and fates.” online, 2021 April (Virtual poster, link)
2020, AGU: “Patterns of Glacier Change in Austria: Variability Assessment and a New Classification Scheme for Glacier State.” online, 2020 December (Virtual poster, link)
2020, EGU: “Small scale spatial variability of spectral Albedo on Jamtalferner, Austria.” online, 2020 May (Virtual contribution, link)
2018, American Association of State Climatologists Annual meeting: “Alaska Climate Report” Nebraska City, USA, 2018 June. (Talk)
2016, ICOP XI: ”Recent speed-up of an Alpine rock glacier: An updated chronology of the kinematics of Outer Hochebenkar rock glacier based on geodetic measurements.” Potsdam, Germany, 2016 June (Poster)
2014, EGU: “Differences in response of flow velocities of an adjacent Alpine blue ice-and rock glacier to climate warming.” Vienna, Austria, 2014 May (Poster)
2014, EUCOP 4: “Investigating the thickness of Hochebenkar rock glacier with ground penetrating radar and a simple rheological model.“ Évora, Portugal, 2014 June (Talk)