Publications

2024

Trantow, Thomas, and Ute C. Herzfeld. "Evolution of a Surge Cycle of the Bering‐Bagley Glacier System From Observations and Numerical Modeling." Journal of Geophysical Research: Earth Surface 129, no. 1 (2024): e2023JF007306. DOI: 10.1029/2023JF007306.

Herzfeld, Ute C., Lawrence J. Hessburg, Thomas M. Trantow, and Adam N. Hayes. "Combining “Deep Learning” and Physically Constrained Neural Networks to Derive Complex Glaciological Change Processes from Modern High-Resolution Satellite Imagery: Application of the GEOCLASS-image System to Create VarioCNN for Glacier Surges." Remote Sensing 16, no. 11 (2024): 1854. DOI: 10.3390/rs16111854.

2023

Herzfeld, Ute Christina, Thomas M. Trantow, Huilin Han, Ellen Buckley, Sinéad Louise Farrell, and Matthew Lawson. "Automated detection and depth determination of melt ponds on sea ice in ICESat-2 ATLAS data—The density-dimension algorithm for bifurcating sea-ice reflectors (DDA-bifurcate-seaice)." IEEE Transactions on Geoscience and Remote Sensing 61 (2023): 1-22. DOI: 10.1109/TGRS.2023.3268073.

Buckley, Ellen M., Sinéad L. Farrell, Ute C. Herzfeld, Melinda A. Webster, Thomas Trantow, Oliwia N. Baney, Kyle A. Duncan, Huilin Han, and Matthew Lawson. "Observing the evolution of summer melt on multiyear sea ice with ICESat-2 and Sentinel-2." The Cryosphere 17, no. 9 (2023): 3695-3719. DOI: 10.5194/tc-17-3695-2023.

2022

Herzfeld, Ute C., Matthew Lawson, Thomas Trantow, and Thomas Nylen. "Airborne validation of ICESat-2 ATLAS data over crevassed surfaces and other complex glacial environments: Results from experiments of laser altimeter and kinematic GPS data collection from a helicopter over a surging Arctic glacier (Negribreen, Svalbard)." Remote Sensing 14, no. 5 (2022): 1185. DOI: 10.3390/rs14051185.

Parrish, Christopher E., Lori Magruder, Ute Herzfeld, Nathan Thomas, Jonathan Markel, Michael Jasinski, Gretchen Imahori, Joan Herrmann, Thomas Trantow, Adrian Borsa and Rick Stumpf. "ICESat-2 bathymetry: Advances in methods and science." In OCEANS 2022, Hampton Roads, pp. 1-6. IEEE, 2022. DOI: 10.1109/OCEANS47191.2022.9977206.

2021

Trantow, Thomas, Ute C. Herzfeld, Veit Helm, and Johan Nilsson. "Sensitivity of glacier elevation analysis and numerical modeling to CryoSat-2 SIRAL retracking techniques." Computers & Geosciences 146 (2021): 104610. DOI: 10.1016/j.cageo.2020.104610.

Herzfeld, Ute C., Thomas Trantow, Matthew Lawson, Jacob Hans, and Gavin Medley. "Surface heights and crevasse morphologies of surging and fast-moving glaciers from ICESat-2 laser altimeter data-Application of the density-dimension algorithm (DDA-ice) and evaluation using airborne altimeter and Planet SkySat data." Science of Remote Sensing 3 (2021): 100013. DOI:10.1016/j.srs.2020.100013.

2020

Trantow, Thomas. "Surging in the Bering-Bagley Glacier System, Alaska: Understanding glacial acceleration through new methods in remote sensing, numerical modeling and model-data comparison." PhD dissertation, University of Colorado at Boulder, 2020.

2018

Trantow, Thomas, and Ute C. Herzfeld. "Crevasses as indicators of surge dynamics in the Bering Bagley Glacier System, Alaska: Numerical experiments and comparison to image data analysis." Journal of Geophysical Research: Earth Surface 123, no. 8 (2018): 1615-1637. DOI: 10.1029/2017JF004341.

2017

Herzfeld, Ute C., Thomas M. Trantow, David Harding, and Philip W. Dabney. "Surface-height determination of crevassed glaciers—Mathematical principles of an autoadaptive density-dimension algorithm and validation using ICESat-2 simulator (SIMPL) data." IEEE Transactions on Geoscience and Remote Sensing 55, no. 4 (2017): 1874-1896. DOI: 10.1109/TGRS.2016.2617323.

2016

Trantow, Thomas and Ute C. Herzfeld. "Spatiotemporal mapping of a large mountain glacier from CryoSat-2 altimeter data: surface elevation and elevation change of Bering Glacier during surge (2011–2014)." International Journal of Remote Sensing 37, no. 13 (2016): 2962-2989. DOI: 10.1080/01431161.2016.1187318.

2014

Trantow, Thomas. "Numerical experiments of dynamical processes during the 2011-2013 surge of the Bering-Bagley Glacier System, using a full-Stokes finite element model." Master's thesis, University of Colorado at Boulder, 2014. 

2013

Herzfeld, Ute C., Brian McDONALD, Maciej Stachura, Robert Griffin Hale, Phillip Chen, and Thomas Trantow. "Bering Glacier surge 2011: analysis of laser altimeter data." Annals of glaciology 54, no. 63 (2013): 158-170. DOI: 10.3189/2013AoG63A348.