TY - JOUR
T1 - Mountain polar stratospheric cloud measurements by ground based FTIR solar absorption spectroscopy
AU - Höpfner, Michael
AU - Blumenstock, Thomas
AU - Hase, Frank
AU - Zimmermann, Alexandra
AU - Flentje, Harald
AU - Fueglistaler, Stefan
PY - 2001/6/1
Y1 - 2001/6/1
N2 - An analysis of mountain polar stratospheric cloud observations by solar absorption FTIR from Kiruna/Sweden was performed and compared with co-located airborne lidar measurements, The infrared cloud spectral signature and optical depth indicated water ice particles compatible with the high backscatter and depolarization ratio of the lidar signal. Retrieval of mean particle properties from the FTIR spectrum depend on the assumed width of the particle size distribution and range from 2.0 to 1.1 μum radius anti from 1.9 to 5.1 cm-3 number density. The volume density is well determined with 63.8-60.2 μum3/cm3 equivalent to about 2.5 ppmv of condensed water at 20 hPa. Simulations of lidar backscatter ratio based on these results are consistent with the lidar observations.
AB - An analysis of mountain polar stratospheric cloud observations by solar absorption FTIR from Kiruna/Sweden was performed and compared with co-located airborne lidar measurements, The infrared cloud spectral signature and optical depth indicated water ice particles compatible with the high backscatter and depolarization ratio of the lidar signal. Retrieval of mean particle properties from the FTIR spectrum depend on the assumed width of the particle size distribution and range from 2.0 to 1.1 μum radius anti from 1.9 to 5.1 cm-3 number density. The volume density is well determined with 63.8-60.2 μum3/cm3 equivalent to about 2.5 ppmv of condensed water at 20 hPa. Simulations of lidar backscatter ratio based on these results are consistent with the lidar observations.
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U2 - 10.1029/2000GL012841
DO - 10.1029/2000GL012841
M3 - Article
AN - SCOPUS:0035363838
SN - 0094-8276
VL - 28
SP - 2189
EP - 2192
JO - Geophysical Research Letters
JF - Geophysical Research Letters
IS - 11
ER -