@article{UBHD-68576743,
  author={Bokhorst, Stef and Heilig, Achim},
  title={Changing arctic snow cover},
  subtitle={a review of recent developments and assessment of future needs for observations, modelling, and impacts},
  year={2016},
  pages={516-537},
  language={eng},
  issn={1654-7209},
  volume={45},
  number={5},
  note={Gesehen am 14.05.2020},
  journal={Ambio},
  doi={10.1007/s13280-016-0770-0},
}
@book{UBHD-66873764,
  author={Heilig, Achim},
  title={The search for and location of inhomogeneities in seasonal snowpacks utilizing ground-penetrating radar},
  year={2009},
  pages={Online-Ressource},
  language={eng},
  note={Online publiziert: 2010},
  school={Heidelberg, Univ., Diss., 2009},
  keywords={Schneefeld / Schnee / Elektromagnetische Reflexionsmethode / Suchverfahren / Ortung / Methode},
  url={http://archiv.ub.uni-heidelberg.de/volltextserver/volltexte/2010/10022},
  library={UB},
}
@book{UBHD-66874413,
  author={Heilig, Achim},
  title={The search for and location of inhomogeneities in seasonal snowpacks utilizing ground-penetrating radar technology},
  year={2009},
  pages={XX, 156 S.},
  language={eng},
  note={Zsfassung in dt. Sprache},
  school={Heidelberg, Univ., Diss.,2009},
  keywords={Schneefeld / Schnee / Elektromagnetische Reflexionsmethode / Suchverfahren / Ortung / Methode},
  library={UB [Signatur: 2010 U 443]},
}
@article{UBHD-68627212,
  author={Heilig, Achim and Mitterer, C. and Schmid, L. and Wever, N. and Schweizer, J. and Marshall, H.-P. and Eisen, O.},
  title={Seasonal and diurnal cycles of liquid water in snow},
  subtitle={measurements and modeling},
  year={2015},
  pages={2139-2154},
  language={eng},
  issn={2169-9011},
  volume={120},
  number={10},
  note={Gesehen am 13.08.2020},
  journal={Journal of geophysical research},
  doi={10.1002/2015JF003593},
}
@article{UBHD-69064189,
  author={Heilig, Achim and Eisen, Olaf and Schneebeli, Martin},
  title={Temporal observations of a seasonal snowpack using upward-looking GPR},
  year={2010},
  pages={3133-3145},
  language={eng},
  issn={1099-1085},
  volume={24},
  number={22 vom: Juni},
  note={Gesehen am 11.04.2023},
  journal={Hydrological processes},
  doi={10.1002/hyp.7749},
}
@article{UBHD-68822931,
  author={Helfricht, Kay and Kuhn, Michael and Keuschnig, Markus and Heilig, Achim},
  title={LiDAR snow cover studies on glacier surface},
  subtitle={significance of snow- and ice dynamical processes},
  year={2013},
  pages={1787-1832},
  language={eng},
  issn={1994-0440},
  volume={7},
  number={2},
  note={Gesehen am 14.12.2021},
  journal={The Cryosphere discussions},
  doi={10.5194/tcd-7-1787-2013},
}
@article{UBHD-68655658,
  author={Helfricht, Kay and Kuhn, Michael and Keuschnig, Markus and Heilig, Achim},
  title={Lidar snow cover studies on glaciers in the {\"O}tztal Alps (Austria)},
  subtitle={comparison with snow depths calculated from GPR measurements},
  year={2014},
  pages={41-57},
  language={eng},
  issn={1994-0424},
  volume={8},
  number={1},
  note={Gesehen am 30.10.2020},
  journal={The Cryosphere},
  doi={10.5194/tc-8-41-2014},
}
@article{UBHD-68640126,
  author={Okorn, Robert and Heilig, Achim},
  title={Upward-looking L-band FMCW radar for snow cover monitoring},
  year={2014},
  pages={31-40},
  language={eng},
  volume={103},
  note={Gesehen am 24.09.2020},
  journal={Cold regions science and technology},
  doi={10.1016/j.coldregions.2014.03.006},
}
@article{UBHD-68641184,
  author={Schmid, Lino and Heilig, Achim and Mitterer, Christoph and Schweizer, J{\"u}rg and Maurer, Hansruedi and Okorn, Robert and Eisen, Olaf},
  title={Continuous snowpack monitoring using upward-looking ground-penetrating radar technology},
  year={2017},
  pages={509-525},
  language={eng},
  issn={1727-5652},
  volume={60},
  number={221},
  note={Published online by Cambridge University Press: 10 July 2017 ; Gesehen am 29.09.2020},
  journal={Journal of glaciology},
  doi={10.3189/2014JoG13J084},
}
@article{UBHD-68594818,
  author={Schmid, Lino and Koch, Franziska and Heilig, Achim and Prasch, Monika and Eisen, Olaf and Mauser, Wolfram and Schweizer, J{\"u}rg},
  title={A novel sensor combination (upGPR-GPS) to continuously and nondestructively derive snow cover properties},
  year={2015},
  pages={3397-3405},
  language={eng},
  issn={1944-8007},
  volume={42},
  number={9},
  note={First published: 08 April 2015 ; Gesehen am 01.07.2020},
  journal={Geophysical research letters},
  doi={10.1002/2015GL063732},
}
@article{UBHD-68579717,
  author={Tebaldini, Stefano and Nagler, Thomas and Rott, Helmut and Heilig, Achim},
  title={Imaging the internal structure of an Alpine glacier via L-band airborne SAR tomography},
  year={2016},
  pages={7197-7209},
  language={eng},
  volume={54},
  number={12},
  note={Gesehen am 20.05.2020},
  journal={IEEE transactions on geoscience and remote sensing},
  doi={10.1109/TGRS.2016.2597361},
}
@article{UBHD-68594319,
  author={Wever, Nander and Schmid, Lino and Heilig, Achim and Eisen, Olaf and Fierz, C. and Lehning, M.},
  title={Verification of the multi-layer SNOWPACK model with different water transport schemes},
  year={2015},
  pages={2655-2707},
  language={eng},
  issn={1994-0440},
  volume={9},
  number={6},
  note={Gesehen am 30.06.2020},
  journal={The Cryosphere discussions},
  doi={10.5194/tcd-9-2655-2015},
}