Junshik Um

University of Illinois at Urbana-Champaign

Atmospheric Sciences

2017

Um, J. and G.M. McFarquhar (2017): Quantifying errors in sizing small ice crystals using forward scattering probes, Atmospheric Measurement Techniques (submitted)
D. Baumgardner, S. J. Abel, D. Axisa, R. Cotton, J. Crosier, P. Field, C. Gurganus, A. Heymsfield, A. Korolev, M. Krämer, P. Lawson, G. McFarquhar, Z. Ulanowski, and J. Um (2017): Cloud Ice Properties: In Situ Measurement Challenges, Meteorological Monographs, American Meteorological Society, Vol 58, pp9.1--9.23

2016

G. M. McFarquhar, and J. Um (2016): Light Scattering By Atmospheric Hexagonal Ice Crystals for Determination of Applicability of Geometric Optics and Formation of Atmospheric Circumscribed Halos, presented at International Symposium on Radiation 2016, Auckland, New Zealand

2015

Junshik Um, and Greg M. McFarquhar (2015): Formation of Atmospheric Halos and Applicability of Geometric Optics for Calculating Single-Scattering Properties of Hexagonal Ice Crystals: Impacts of Aspect Ratio and Ice Crystal Size, Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier BV, Vol 165, pp134--152

2014

G.M. McFarquhar and J. Um (2014): The Impact of Natural Variations of Ice Crystal Aspect Ratios on Single-Scattering Radiative Properties, presented at the 14th Conference on Atmospheric Radiation (American Meteorological Society), Boston, Massachusetts, U.S.A.
J. Um (2014): Calculations of Microphysical and Radiative Properties of Ice Clouds, National Institute of Meteorological Research, KMA, Jeju, Republic of Korea
Junshik Um, and Greg M. McFarquhar (2014): Formation of Atmospheric Halos by Hexagonal Ice Crystals, presented at 14th Conference on Atmospheric Radiation, American Meteorological Society, Boston, Massachusetts, U.S.A.

2013

Junshik Um, and Greg M. McFarquhar (2013): Optimal Numerical Methods for Determining the Orientation Averages of Single-Scattering Properties of Atmospheric Ice Crystals, Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier BV, Vol 127, pp207--223