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 Organization

NO 66
Acronym SAWS
Name South African Weather Service
Address 1 South African Weather Service (Research Division)
Address 2 SAWS, c/o CSIR (Environmentek),
Address 3 P.O. Box 320,Stellenbosch 7599
Country/Territory South Africa
Website http://www.weathersa.co.za/

 Contact(s)

Name Thumeka Mkololo
Prefix
Email thumeka.mkololo@weathersa.co.za
Organization No 66
Organization acronym SAWS
Organization name South African Weather Service
Organization country/territory South Africa
Address 1
Address 2
Address 3 SAWS, c/o CSIR (Environmentek), P.O. Box 320,Stellenbosch 7599, South Africa
Country/territory South Africa
Tel
Fax
Last updated date 2021-03-11


Name Casper Labuschagne
Prefix Mr
Email Casper.labuschagne@weathersa.co.za
Organization No 66
Organization acronym SAWS
Organization name South African Weather Service
Organization country/territory South Africa
Address 1 SA Weather Service
Address 2 c/o CSIR (Environmentek)
Address 3 P.O. Box 320,Stellenbosch 7599, South Africa
Country/territory South Africa
Tel
Fax
Last updated date 2021-03-11


Name Warren Joubert
Prefix Dr
Email Warren.joubert@weathersa.co.za
Organization No 66
Organization acronym SAWS
Organization name South African Weather Service
Organization country/territory South Africa
Address 1 SAWS
Address 2 c/o CSIR (Environmentek)
Address 3 P.O. Box 320,Stellenbosch 7599, South Africa
Country/territory South Africa
Tel
Fax
Last updated date 2021-03-11


 Background observation
 UTC+02:00
 ppb
 9999-12-31 00:00:00 - 2002-12-31 23:59:59: CPT
 2003-01-01 00:00:00 - 2015-12-31 23:59:59: WMO CO X2004
 2016-01-01 00:00:00 - 9999-12-31 23:59:59: WMO CO X2014A
 9999-12-31 00:00:00 - 2014-12-31 23:59:59: RGA3 Trace Analytical(Gas chromatography (RGD))
 2015-01-01 00:00:00 - 9999-12-31 23:59:59: Picarro G2302(CRDS)
 9999-12-31 00:00:00 - 9999-12-31 23:59:59: 30 (m)
 1 minute
 Historically: Calibrations are automatically performed every two hours and the target gas determination once daily.
Currently: Daily target gas to track intrumental drift (if any);
Bi-annual analysis of 6x NOAA laboratory standards;
Monthly determination of 4x secondary standards for calibration line verification; Quarterly 5x NOAA laboratory standards to determine calibration line function; Annually, a review of the 4 quarterly calibrations via a rolling average
 All data with obvious sampling or analytical error are rejected. Furthermore, a statistical filter (moving percentiles) is applied for the selection of background concentrations. Data selection applied to the "all data set" (based on statistical filtering)are done as follows:
Two 11-day moving percentiles are applied to the data. The two freely selectable percentiles, each tuneable by a factor, serve as upper and lower cut-off limits for background concentration selection.
Calibration data are omitted from final reported data set.
 [Hourly] Historically (1978 - 2011): 15min data averaged to 30min reported values; i.e. preceding 2 values constitutes a value at xx:30 (00:00 - 00:30 value reported at 00:30)
Currently (2011 - present): 1-min high freq. data averaged to 30-min reported values; i.e. preceding 30 values constitutes a value at xx:30 (00:00 - 00:30 value reported at 00:30)
 [Daily]
 [Monthly]
 All data reported are valid. Invalid data & Calibrations have been removed from final reported data sets.
 Valid: 2
 Operational/Reporting
 Scientific Aim : Long-term measurements of tropospheric CO representative of air masses advected from the SW Atlantic ocean.

GC in combination with AAS

The height of the ambient air intake is 260 m above sea level from the top of a 30 m high mast.
Two freezing units (-4 and -45 °C respectively) are used in series to dry the ambient air prior to analysis.
30-metre 1/4 inch stainless steel air intake
 Wind direction: 1
 Wind speed: 1
 Relative humidity: 1
 Precipitation amount: 0
 Air pressure: 1
 Air temperature: 1
 Dew point temperature: 0
 Sea water temperature: 0
 Sea surface water temperature: 0
 Sea water salinity: 0
 Sea surface water salinity: 0
Meteorological data may remain as first provided, even when greenhouse gas data are updated.
 
No DOI available

 Related information

Format Text (WDCGG Data Format Table, WDCGG Meteorological Data Format Table), NetCDF
Relation List (Is Part Of) All CO data contributed to WDCGG by GAW stations and mobiles by 2020-09-28
All CO data contributed to WDCGG by GAW stations and mobiles by 2019-09-19
All CO data contributed to WDCGG by GAW stations and mobiles by 2018-10-25
Geolocation Point
Latitude (north: +; south: -) -34.3534812927
Longitude (east: +; west: -) 18.4896831512

 Reference(s)

No data available