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BAR541S00
-N2O-
| Observation |
| Frequency |
: |
15-20 per year. |
| Method |
: |
GC-ECD |
| Instrument |
: |
Hewlett Packard |
HP6890 |
| Description |
: |
Sample collection is typically with southerly (on-shore) winds.
Samples are collected into glass flasks. |
|
| Calibration |
| Scale |
: |
SIO-1998 scale |
| Description |
: |
Natural air working standards for the GC have been collected from Baring Head and have been referenced against 6 primary reference standards that have been calibrated by Prof. R.F. Weiss, Scripps Institution of Oceanography, La Jolla, California, to their SIO-98 scale. |
| Data Processing |
| Unit |
: |
ppb |
| Description |
: |
Data are event samples, typically collected with southerly (on-shore) winds. |
| Average Procedure |
| Hourly |
: |
|
| Daily |
: |
|
| Monthly |
: |
|
| Flag |
| Description |
: |
Data are flagged for offshore or onshore wind.
The hundredth digit - Sampling Conditions flag
=0: not specified
=1: not baseline
=2: baseline
The tenth digit - Collection / Storage flag [Not used yet]
=0: not specified
=1: suspect
The unit digit - Measurement flag [Not used yet]
=0: not specified
=1-9: calibration revision
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