HD(CP)2 long term observations, drizzle liquid water (height resolved) data of Cloudnet products (no. 00), by Supersite JOYCE, data version 00
Daily files of Cloudnet drizzle water content data at JOYCE
Access
To get a year dataset please use one of the links below to download the wget script:
2013,
Dataset Author
Jan H. Schween, jschween@uni-koeln.de, Institution: Research Center Juelich, Institute for Energy and Climate research (IEK-8)Description
Drizzle parameters such as drizzle flux and mean particle size, derived from combined radar and lidar beneath cloud base. See http://www.cloud-net.org/data/products/drizzle.html . Or O'Connor, E. J., R. J. Hogan and A. J. Illingworth, 2005: Retrieving stratocumulus drizzle parameters using Doppler radar and lidar.J. Appl. Meteorol., 44(1), 14-27 http://www.cloud-net.org/~swr99ejo/publications/drizzle_technique.pdf
Limitations: none
Provenance: Cloudnet-processed remote-sensing data. See the global argument *cloudnet_source* for more details.
Comments: none
Instrument 1
- Source: Model COSMO-EU
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 2
- Source: Ceilometer Vaisala ct25k
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 3
- Source: Metek Mira36s cloud radar
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 4
- Source: Model COSMO-EU
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 5
- Source: Microwave radiometer TOPHAT
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Instrument 6
- Source: Ceilometer Vaisala ct25k
- Descriptive Instrument location: The instruments are part of the JOYCE facility that is installed on the roof of the Institute for Energy and Climate Research, Research Center Juelich.
Global information
- PID: de.koeln.rrzk/amd.de.sups/joy.cln00.l4.drlw
- Project: HD(CP)2
- Level: 4
- Updated version: 00
- File format: NETCDF3_CLASSIC
- Convention: CF-1.6 where applicable
- Average File Size Uncompressed: 90 Mb
- File name: sups_joy_cln00_l4_drlw_v[VV]_[YYYYMMDDhhmmss].nc
- Start: 2013-01-01
- End: 2013-12-31
Variables
| Name | Dimension | CF standard_name | long_name | Unit |
|---|---|---|---|---|
| drlw | time, height | mass_concentration_of_drizzle_in_air | kg m-3 | |
| drlw_error | time, height | Random error in mass concentration of drizzle in air, one standard deviation | dB | |
| plr | time, height | particle lidar ratio | sr | |
| plr_error | time, height | Random error in lidar ratio, one standard deviation | dB | |
| w | time, height | upward_air_velocity | m s-1 | |
| w_error | time, height | Random error in vertical air velocity, one standard deviation | dB | |
| zsl | altitude | Altitude above mean sea level | m |
Institution
Contact Person(s)
Ulrich Loehnert (loehnert@meteo.uni-koeln.de)
References
Ewan O'Connor,Retrieving stratocumulus drizzle parameters using Doppler radar and lidar
Ewan O'Connor,Stratocumulus drizzle (radar/lidar method)
Ewan O'Connor,Retrieving stratocumulus drizzle parameters using Doppler radar and lidar