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Assekrem
-O3-
| Observation |
| Category |
: |
Air sampling observation |
| Situation |
: |
ongoing |
| Time zone |
: |
UTC |
| Sampling |
| Sampling height |
: |
+3 |
| Description |
: |
continuous |
| Sampling and analysis frequency |
: |
Continuous |
| Sampling environment |
: |
The measure are take at the remote site of Assekrem , 50 km north of the city of Tamanrasset. The site of assekrem is entoured by mountains ans his altitude is 2710 m above the the sea.
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| Description for sampling analysis |
: |
an air intake at 3 m above the ground. |
| Instrument and Analysis |
| Measurement method |
: |
Light absorption analysis (UV) |
| Current status and history of instrument |
: |
UV Photometry |
| Description of instrument |
: |
TECO
TECO 49
Teco 49C since may 2005 |
| Calibration |
| Current scale employed in the measurement |
: |
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| Measurement calibration |
: |
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| Scale and calibration(treasability) |
: |
The calibration of teco 49 C is done regulary each 03 to 4 years by the laboratory EMPA (swiss). The last calibration was made in may2007. |
| Data Processing |
| Measurement unit |
: |
ppb |
| Data processing |
: |
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| Processing for averaging |
: |
Processing for Hourly Data:
The processing on hourly ,daily,monthy are done by the software DANDI given by the laboratory swiss EMPA in november 2007
Processing for Daily Data:
The same like hourly data
Processing for Monthly Data:
the same like hourly data |
| Data flag |
: |
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| Data remarks |
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| Other Information |
| Scientific aim |
: |
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| Reference |
: |
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| submitted by Office National de la Meteorologie |
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