TR32-Database: Database of Transregio 32

[1044] - Investigations of backscatter differential phase in the melting layer

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Features
Citation
Troemel, S., Ryzhkov, A., Zhang, P., Simmer, C., 2014. Investigations of backscatter differential phase in the melting layer. Journal of Applied Meteorology and Climatology, 1 - 44. DOI: 10.1175/JAMC-D-14-0050.1.
Identification
Title(s):Main Title: Investigations of backscatter differential phase in the melting layer
Description(s):Abstract: Backscatter differential phase δ within the melting layer has been identified as a reliably measurable but still under-utilized polarimetric variable. Polarimetric radar observations at X band in Germany and S band in the U.S.A. are presented, which show maximal observed δ of 8.5° at X band but up to 70° at S band. Dual-frequency observation at X and C band in Germany and dual-frequency observations at C and S band in the U.S. are compared in order to explore the regional frequency dependencies of the δ signature. Theoretical simulations based on usual assumptions about the microphysical composition of the melting layer can not reproduce the observed large values of δ at the lower frequency bands and also underestimate the enhancements in differential reflectivity ZDR and reductions in the cross-correlation coefficient ρhv. Simulations using a two-layer T-matrix code and a simple model for the representation of accretion can, however, explain the pronounced δ signatures at S and C bands in conjunction with small δ at X band. We conclude, that the δ signature bears information about microphysical accretion and aggregation processes in the melting layer and the degree of riming of the snowflakes aloft.
Identifier(s):DOI: 10.1175/JAMC-D-14-0050.1
Citation Advice:Troemel, S., Ryzhkov, A., Zhang, P., Simmer, C., 2014. Investigations of backscatter differential phase in the melting layer. Journal of Applied Meteorology and Climatology, 1 - 44. DOI: 10.1175/JAMC-D-14-0050.1.
Responsible Party
Creator(s):Author: Silke Troemel
Author: Alexander Ryzhkov
Author: Pengfei Zhang
Author: Clemens Simmer
Publisher:American Meteorological Society
Topic
TR32 Topic:Atmosphere
Subject(s):CRC/TR32 Keywords: Backscatter, Radar/X-Band, Atmosphere, Radar observations
File Details
File Name:Troemel_et_al_2014_JAMC.pdf
Data Type:Text
Size(s):44 Pages
File Size:7240 kB (7.07 MB)
Date(s):Available: 2014-08-18
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:Other
Measurement Location:--Other--
Specific Informations - Publication
Status:Accepted
Review:PeerReview
Year:2014
Type:Article
Article Type:Journal
Source:Journal of Applied Meteorology and Climatology
Page Range:1 - 44
Metadata Details
Metadata Creator:Tanja Kramm
Metadata Created:2014-09-11
Metadata Last Updated:2014-09-11
Subproject:D5
Funding Phase:2
Metadata Language:English
Metadata Version:V40
Dataset Metrics
Page Visits:142
Metadata Downloads:0
Dataset Downloads:1
Dataset Activity
Features