Meteo Observations at IGMK

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wband [2020/08/31 07:55] – created bpospichwband [2021/04/01 15:07] (current) – [Link to current observations] bpospich
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 ====== W-Band Cloud radar (JOYRAD-94) ====== ====== W-Band Cloud radar (JOYRAD-94) ======
  
-{{:wiki:instruments:joyrad35_02.jpg?direct&600|JOYCE-JOYRAD35 ©B. Pospichal}} \\ +{{:wiki:instruments:joyrad94.jpg?direct&600|JOYCE-JOYRAD94 ©N. Küchler}} \\ 
-//Cloud radar JOYRAD-35 installed at Jülich//+//Cloud radar JOYRAD-94 installed at Jülich//
  
 ===== Principle ===== ===== Principle =====
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 ===== Measurement modes ===== ===== Measurement modes =====
  
-  * Vertically pointing observations with integration times up to 1 seconds.  +  * Vertically pointing observations with integration times up to 1 seconds, variable chirp-tables possible (Doppler resolution, range resolution)
-  * Full azimuth/elevation scanning capability for horizontal variability of clouds as well as 3D wind vectors in clouds+
  
 ===== JOYCE-CF Standard Operation Procedures ===== ===== JOYCE-CF Standard Operation Procedures =====
  
-  * Standard measurement mode is vertically pointing, 2 second integration time  +  * Standard measurement mode is vertically pointing, 5 seconds integration time 
-  * Every 30 minutes one azimuth scan at 83° elevation angle with 6° azimuth resolution (duration ~2 minutes) for horizontal wind within clouds and the boundary layer (if sufficient insects are present)+
  
 ===== Calibrations and data quality assurance procedures ===== ===== Calibrations and data quality assurance procedures =====
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 ===== Data availability ===== ===== Data availability =====
  
-Some of the following data products are provided via Cloudnet [[https://cloudnet.fmi.fi/|ACTRIS cloudnet website]] with a temporal resolution of 30 seconds. If you would like to have additional data with better resolution or raw Doppler spectra please fill the {{ :joyce_data_request_form.pdf |data request sheet}} and send it to [[mailto:info@joyce.cloud|info@joyce.cloud]]+Data are available via request please fill the {{ :joyce_data_request_form.pdf |data request sheet}} and send it to [[mailto:info@joyce.cloud|info@joyce.cloud]]
    
 ^ Dataset     ^ Temporal resolution       ^ File size          ^ Filename   ^ Remarks   ^  ^ Dataset     ^ Temporal resolution       ^ File size          ^ Filename   ^ Remarks   ^ 
-| Radar reflectivity factor   | 30 seconds    | 1 file per day (30-50 MB)     | //YYYYMMDD_juelich_categorize.nc//  | available via Cloudnet   | +| Radar moments, Liquid water path   | 5 seconds    | 1 file per hour (8-12 MB)     | //mirac_jue_-a_YYYYMMDDHHMMSS_P01_ZEN_compact.nc//  |    |
-| Doppler velocity   | 30 seconds    | 1 file per day (30-50 MB)     | //YYYYMMDD_juelich_categorize.nc//  | available via Cloudnet   | +
-| Spectral width   | 30 seconds    | 1 file per day (30-50 MB)     | //YYYYMMDD_juelich_categorize.nc//  | available via Cloudnet    | +
-| Linear depolarization ratio   | 30 seconds    | 1 file per day (30-50 MB)     | //YYYYMMDD_juelich_categorize.nc//  | available via Cloudnet    | +
-| Profiles of horizontal wind | 30 minutes | 1 file per day (30-50 MB)     | //YYYYMMDD_joyrad35_wind_profile.nc//  |  |  +
-| Radar moments  | 2 seconds   | variable size (up to 30 MB/hour in case of thick clouds)  | //YYYYMMDD_HHMM.mmclx.gz//  | zipped NetCDF file  | +
-| Doppler spectra, Radar moments  | 2 seconds   | variable size (up to 2 GB/hour in case of thick clouds)  | //YYYYMMDD_HHMM.znc//  | NetCDF file  | +
-| Doppler spectra  | 2 seconds   | variable size (up to 1 GB/hour in case of thick clouds)  | //YYYYMMDD_HHMM.zspc//  | Binary file  |+
  
 +===== Composite products using W-Band radar data =====
 +  * **Dual-wavelength ratio** Ka/W-Band [[http://gop.meteo.uni-koeln.de/~Hatpro/dataBrowser/dataBrowser2.html?site=TRIPEX-pol&date=-1&UpperLeft=3radar_Ze&UpperRight=3radar_DWR|Link to Quicklooks]]  
  
- 
-  * **Dual-wavelength ratio** Ka/X-Band and Ka/W-Band [[http://gop.meteo.uni-koeln.de/~Hatpro/dataBrowser/dataBrowser2.html?site=TRIPEX-pol&date=-1&UpperLeft=3radar_Ze&UpperRight=3radar_DWR|Link to Quicklooks]]   
-  * **Cloudnet target classification** uses Radar moments data from JOYRAD-35. Combined with microwave radiometer and ceilometer observation, clouds are characterized by their geometrical extent as well as their microphysical properties.  
  
 ===== Link to current observations ===== ===== Link to current observations =====
  
-Data quicklooks can be found in the [[http://gop.meteo.uni-koeln.de/~hatpro/dataBrowser/dataBrowser2.html?site=JOYCE&date=-1&UpperLeft=Joyrad35_Overview&UpperRight=Joyrad35_wind_ppi|JOYCE quicklook archive]] and in the [[https://guest.metek.de/skripts/animate_hourly_xcrl_skew.html?nic=juel|METEK archive]]+Data quicklooks can be found in the [[https://atmos.meteo.uni-koeln.de/~lpfitzen/dataBrowser/dataBrowser2.html?site=Mirac-A&date=-1&UpperLeft=Mirac-A_radar_overview&UpperRight=Mirac-A_radar_status|JOYCE quicklook archive]]  
 + 
  
 ===== Measurement examples ===== ===== Measurement examples =====
  
-{{wiki:examples:200704_jue_l2_radar.png?direct&400|JOYRAD-35_obs}} +{{wiki:examples:20191211_mirac-a_moments_overview.png?direct&500|JOYRAD-94_obs}}
-{{wiki:examples:20200704_joyrad35_wind_profile.png?direct&400|JOYRAD-35_wind}} \\ +
-//Example time series of JOYRAD-35 observations (radar moments / horizontal wind)//+
  
 +//Example time series of MiRAC-A observations at JOYCE (radar moments / LWP)//
  
  
-{{wiki:examples:20200704_juelich_classification.png?direct&800|Cloudnet_target_classification}} \\ 
-//Example time series of Cloudnet target classification// 
  
  
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 ===== MiRAC-A History ===== ===== MiRAC-A History =====
 ^  Period  ^ Device ^  Place  ^  Project  ^ ^  Period  ^ Device ^  Place  ^  Project  ^
-| 03/2020 - 04/2020 | MiRAC-A | Polar 5, Svalbard |  |+| 11/12/2020 - today  | MiRAC-A | [[http://www.fz-juelich.de/|Research Center Jülich]], Germany | JOYCE | 
 +| 08/2020 - 09/2020 | MiRAC-A | Polar 5, Svalbard |  |
 | 31/05/2019 - 08/01/2020  | MiRAC-A | [[http://www.fz-juelich.de/|Research Center Jülich]], Germany | JOYCE | | 31/05/2019 - 08/01/2020  | MiRAC-A | [[http://www.fz-juelich.de/|Research Center Jülich]], Germany | JOYCE |
 | 03/2019 - 04/2019 | MiRAC-A & -P | Polar 5, [[http://www.ac3-tr.de/overview/observations/aflux-2019/|AFLUX campaign]], Svalbard | [[http://www.ac3-tr.de/|(AC)3]] | | 03/2019 - 04/2019 | MiRAC-A & -P | Polar 5, [[http://www.ac3-tr.de/overview/observations/aflux-2019/|AFLUX campaign]], Svalbard | [[http://www.ac3-tr.de/|(AC)3]] |
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 | 05/2017 - 07/2017 | MiRAC-A & -P | Polar 5, [[http://www.ac3-tr.de/news/acloud-campaign/|ACLOUD campaign]], Svalbard | [[http://www.ac3-tr.de/|(AC)3]] | | 05/2017 - 07/2017 | MiRAC-A & -P | Polar 5, [[http://www.ac3-tr.de/news/acloud-campaign/|ACLOUD campaign]], Svalbard | [[http://www.ac3-tr.de/|(AC)3]] |
  
- +{{:wiki:instruments:mirac_a_nya.jpg?direct&600|MiRAC-A ©B. Pospichal}} \\ 
- +//MiRAC-A installed at Ny-Ålesund//
-{{:wiki:instruments:joyrad35_07.jpg?direct&600|JOYRAD-35 ©B. Pospichal}} \\ +
-//Cloud radar JOYRAD-35 installed at Jülich// +
  
  
wband.1598860552.txt.gz · Last modified: 2020/08/31 07:55 by bpospich