de.koeln.rrzk/amd.de.sups/joy.ipt00.l4.reffclwSAMD v.1.0enHD(CP)2sups_joy_ipt00_l4_reffclwHD(CP)2 long term observations, effective radius of cloud
liquid particles data of Integrated Profiling Technique (no. 00), by
Supersite JOYCE, data version 00Daily data files of effective radius profile of cloud liquid
water from the Integrated Profiling Technique (IPT).Eileen Paeschke (Eileen.Paeschke@dwd.de)Research Center Juelich Institute for Energy and Climate
Research2016-03-23, 08:31:48 (UTC)CF-1.6 where applicableexternalinitial versionNETCDF3_CLASSIC0.1daily4For non-commercial use only. This data is subject to the
HD(CP)2/SAMD data policy to be found at https://doi.org/10.25592/uhhfdm.9823 and in the HD(CP)2/SAMD
Observation Data Product Standard https://doi.org/10.5281/zenodo.1741363.Product is based on Cloudnet-processed remote-sensing data.
IPT data provided by IGMK, University of CologneInstitute of Geophysics and Meteorology, University of
CologneKerstinEbell+49221 470 1779kebell@meteo.uni-koeln.deInstitute of Geophysics and Meteorology, University of
CologneUlrichLoehnert+49221 470 1779loehnert@meteo.uni-koeln.de2013-01-162013-12-3130none30The instruments are located at the JOYCE supersite, on top of
the roof of IEK-8 (building 5.2) of the Forschungszentrum Juelich.Synergy product from combined ground based
measurement of microwave radiometer, CLOUDNET synergy products and in
situ radiosonde measurements. The specific CLOUDNET products used for
the retrieval are the target categorization product and the cloud
radar reflectivities corrected for gaseous and liquid attenuation.
Essen radiosonde climatology provides prior information on temperature
and absolute humidity. The cloud drop effective radius is an area
weighted radius of the cloud drop particles.Retrieval is based on optimum estimation theory and must
not be interpreted as an explicit solution, but as the most probable
solution of a Gaussian distributed probability density function.none50.9085476.413536111none14 channel K and V band microwave profiler, fully
scanable in azimuth and elevationnonenonenonenonePlease see the XML meta data files for the synergy
"cloudnet products" in the HD(CP)^2 Observation data Archive.2008U. Loehnert et al.Advances in continuously profiling the thermodynamic state of
the boundary layer: integration of measurements and methodsThis paper describes advances in ground-based thermodynamic
profiling of the lower troposphere through sensor synergy. The
documented integrated profiling technique (IPT), which uses a
microwave profiler, a cloud radar, and a ceilometer to
simultaneously retrieve vertical profiles of temperature, humidity,
and liquid water content (LWC) of nonprecipitating clouds, is
further developed toward an enhanced performance in the boundary
layer and lower troposphere. For a more accurate temperature
profile, this is accomplished by including an elevation scanning
measurement modus of the microwave profiler. Height-dependent RMS
accuracies of temperature (humidity) ranging from ∼0.3 to 0.9 K
(0.5–0.8 g m−3) in the boundary layer are derived from retrieval
simulations and confirmed experimentally with measurements at
distinct heights taken during the 2005 International Lindenberg
Campaign for Assessment of Humidity and Cloud Profiling Systems and
its Impact on High-Resolution Modeling (LAUNCH) [...]Journal of Atmospheric and Oceanic Technology, vol. 25, pp.
1251–12662016K. Ebell et al.HD(CP)^2 data base: Documentation of the Integrated Profiling
Technique.This document shortly describes the retrieval principal and
data products of the Integrated Profiling Technique (IPT), which
have been applied to the observations at the Juelich Observatory for
Cloud Evolution (JOYCE) and Lindenberg Meteorological Observatory –
Richard Assmann Observatory (RAO).This document is available along with the IPT data at the
HD(CP)^2 data archive. See for instrument description.Long term observationsLocal observationsSupersitesJOYCELong term observationsLocal observationsVariable groupsCloud properties 495 2 lon longitude degree_east lat latitude degree_north zsl altitude altitude of sensor above mean sea level m time time time time of profile seconds since 1970-01-01 00:00:00 time_bnds time, nv seconds since 1970-01-01 00:00:00 zag height height height above ground level m zag_bnds height, nv m reffclw time, height effective_radius_of_cloud_liquid_water_particle m reffclw_error time, height error of effective radius of cloud liquid water particle m retrieval_flag time retrieval flag 1