Particle habit imaging using incoherent light: A first step toward a novel instrument for cloud microphysics

Journal of Atmospheric and Oceanic Technology

Volumn 28, Issue 4, 2011, Pages 493-512

  Schö, Roland ^a   Schnaiter, Martin ^a   Ulanowski, Zbigniew ^b   Schmitt, Carl ^c   Benz, Stefan ^a   Möhler, Ottmar ^a   Vogt, Steffen ^a   Wagner, Robert ^a   Schurath, Ulrich ^a  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

^b UNIVERSITY OF HERTFORDSHIRE   (United Kingdom)

^c NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

Author keywords

Algorithms; Cloud microphysics; Ice crystals; Instrumentation

Indexed keywords

AIRBORNE ICE; AMBIENT CONDITIONS; CLOUD MICROPHYSICS; CLOUD PARTICLES; CLOUD SIMULATION; FOURIER TRANSFORM INFRARED; ICE CRYSTALS; ICE PARTICLES; IMAGE PROCESSING AND ANALYSIS; IMAGING PROPERTIES; IMAGING UNITS; INCOHERENT LIGHT; INSTRUMENTATION; MAXIMUM FREQUENCY; MICROSCOPE OPTICS; ROOM TEMPERATURE; SATURATION RATIO; SHAPE PARAMETERS; SINGLE PARTICLE; ULTRAFAST FLASH-LAMP; WHITE LIGHT;

ALGORITHMS; ATMOSPHERIC TEMPERATURE; FOURIER TRANSFORMS; IMAGE PROCESSING; INCOHERENT SCATTERING; INSTRUMENTS; LIGHT; OPTICAL DATA PROCESSING; PHYSICS; SINGLE CRYSTALS; SODIUM;

ICE;

ALGORITHM; CLOUD MICROPHYSICS; COMPUTER SIMULATION; FTIR SPECTROSCOPY; ICE CRYSTAL; IMAGE PROCESSING; INSTRUMENTATION; NUMERICAL MODEL; PARAMETERIZATION; SIZE DISTRIBUTION;

EID: 79958714127     PISSN: 07390572     EISSN: None     Source Type: Journal    
DOI: 10.1175/2011JTECHA1445.1     Document Type: Article

References (31)

1. Amsler, P., O. Stetzer, M. Schnaiter, E. Hesse, S. Benz, O. Möhler, and U. Lohmann, 2009 Ice crystal habits from cloud chamber studies obtained by in-line holographic microscopy related to depolarization measurements. Appl. Opt., 48, 5811-5822.
2. Arnott, W. P., 1998 Analytical tools for cloudscope icemeasurements. NASA Contract NAG 2-1104 Final Rep., 25 pp. [Available online at http://www.dri.edu/Projects/replica/cloudscope/CS_Report.pdf.]
3. Bailey, M., and J. Hallet, 2004 Growth rates and habits of ice crystals between 2208 and 2708C. J. Atmos. Sci., 61, 514-544.
4. Bailey, M., and J. Hallet, 2009 A comprehensive habit diagram for atmospheric ice crystals: Confirmation from the laboratory, AIRS II, and other field studies. J. Atmos. Sci., 66, 2888-2899.
5. Benz, S., K. Megahed, O. Möhler, H. Saathoff, R. Wagner, and U. Schurath, 2005 T-dependent rate measurements of homogeneous ice nucleation in cloud droplets using a large atmospheric simulation chamber. J. Photochem. Photobiol. A, 176, 208-217.
6. Cannon, T. W., 1976 Imaging devices. Atmos. Technol., 8, 32-37.
7. Connolly, P. J., M. J. Flynn, Z. Ulanowski, T. W. Choularton, M. W. Gallagher, and K. N. Bower, 2007 Calibration of the cloud particle imager probes using calibration beads and ice crystal analogs: The depth of field. J. Atmos. Oceanic Technol., 24, 1860-1879.
8. Ebert, V.,H. Teichert, C. Giesemann,H. Saathoff, andU. Schurath, 2005 Fasergekoppeltes In-situ-Laserspektrometer fü r den selektiven Nachweis von Wasserdampfspuren bis in den ppb-Bereich. Tech. Mess., 72, 23-30.
9. Field, P. R., O. Möhler, P. Connolly, M. Krämer, R. Cotton, A. J. Heymsfield, H. Saathoff, and M. Schnaiter, 2006 Some ice nucleation characteristics of Asian and Saharan desert dust. Atmos. Chem. Phys., 6, 2991-3006.
10. Freeman, H., 1974 Computer processing of line-drawing images. Comput. Surv., 6, 57-97.
11. Heymsfield, A. J., and L. M. Miloshevich, 2003 Parameterizations for the cross-sectional area and extinction of cirrus and stratiform ice cloud particles. J. Atmos. Sci., 60, 936-956.
12. Jähne, B., 2002 Digital Image Processing. 5th ed. Springer, 585 pp.
13. Kobayashi, T., 1961 The growth of snow crystals at low supersaturations. Philos. Mag., 6, 1363-1370.
14. Korolev, A., and G. Isaac, 2003 Roundness and aspect ratio of particles in ice clouds. J. Atmos. Sci., 60, 1795-1808.
15. Lawson, R. P., B. A. Baker, C. G. Schmitt, and T. L. Jensen, 2001 An overview of microphysical properties of Artic clouds observed in May and July 1998 during FIRE ACE. J. Geophys. Res., 106, 14 989-15 014.
16. Libbrecht, K. G., 2005 The physics of snow crystals. Rep. Prog. Phys., 68, 855-895.
17. McFarquhar, G. M., and A. J. Heymsfield, 1996 Microphysical characteristics of three anvils sampled during the Central Equatorial Pacific Experiment. J. Atmos. Sci., 53, 2401-2423.
18. Möhler, O., and Coauthors, 2003 Experimental investigation of homogeneous freezing of sulphuric acid particles in the aerosol chamber AIDA. Atmos. Chem. Phys., 3, 211-223.
19. Möhler, O., and Coauthors, 2006 Efficiency of the deposition mode ice nucleation on mineral dust particles. Atmos. Chem. Phys., 6, 007-3021.
20. Ridler, T. W., and S. Calvard, 1978 Picture thresholding using an iterative selection method. IEEE Trans. Syst. Man Cybern., SCM-8, 30-632.
21. Sassen, K., 1991 The polarization lidar technique for cloud research: A review and current assessment. Bull. Amer. Meteor. Soc., 72, 848-1866.
22. Sternberg, S. R., 1983 Biomedical image processing. IEEE Comp., 16, 22-34.
23. Ulanowski, Z., E. Hesse, P. H. Kaye, A. J. Baran, and R. Chandrasekhar, 2003 Scattering of light from atmospheric ice analogues. J. Quant. Spectrosc. Radiat. Transfer, 79-80, 1091-1102.
24. Ulanowski, Z., E. Hesse, P. H. Kaye, A. J. Baran, and R. Chandrasekhar, 2006 Light scattering by complex iceanalogue crystals. J. Quant. Spectrosc. Radiat. Transfer, 100, 382-392.
25. Ulanowski, Z., P. H. Kaye, E. Hirst, and R. S. Greenaway, 2010 Light scattering by ice particles in the Earth's atmosphere and related laboratory measurements. Proc. 12th Int. Conf. Electromagnetic and Light Scattering XII, Helsinki, Finland, University of Helsinki and Cosponsors, 294-297. [Available online at http://www.helsinki.fi/els/articles/74/article.pdf.]
26. Wagner, R., C. Linke, K.-H. Naumann, M. Schnaiter, M. Vragel, M. Gangl, and H. Horvath, 2009 A review of optical measurements at the aerosol and cloud chamber AIDA. J. Quant. Spectrosc. Radiat. Transfer, 110, 930-949.
27. Weickmann, H., 1945 Formen und Bildung atmosphärischer Eiskristalle. Beitr. Phys. Atmos., 28, 12-52.
28. Weickmann, H., 1949 Die Eisphase in der Atmosphä re. Ber. Dtsch. Wetterdienstes U.S. Zone, 6, 3-54.
29. Wendisch, M., and Coauthors, 2005 Impact of cirrus crystal shape on solar spectral irradiance: A case study for subtropical cirrus. J. Geophys. Res., 110, D03202, doi:10.1029/2004JD005294.
30. Zack, G. W., W. E. Rogers, and S. A. Latt, 1977 Automatic measurement of sister chromatid exchange frequency. J. Histochem. ytochem., 25, 741-753.
31. Zhang, Y., A. Macke, and F. Albers, 1999 Effect of crystal size spectrum and crystal shape on stratiform cirrus radiative forcing. tmos. Res., 52, 59-75.