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Form 5a - ICP Forests

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48 unknown cause (as in CC)<br />

In cases that more than two remarks are needed, chose the most important remark and<br />

explain the second remark in the comment column: for example a loop-sided ingrowth<br />

tree without height measurements would receive the code 02 and comments 21: loopsided.<br />

(89) Compound air quality D_COMPOUND_AQ<br />

(Chapter 10)<br />

Code Description Unit<br />

NH3 NH 3 µg NH 3 /m³<br />

NO2 NO 2 µg NO 2 /m³<br />

O3 O 3 ppb<br />

SO2 SO 2 µg SO 2 /m³<br />

(90) Variable codes (not needed from 2009 onwards) D_VARIABLE_AQ<br />

(Chapter 10)<br />

The variable codes are compound specific:<br />

O3 NH3 NO2 SO2<br />

ppb or<br />

ppbh<br />

µg_N/m3 µg_N/m3 µg_S/m3<br />

Mean concentration O3_MC NH3_MC NO2_MC SO2_MC<br />

MC daytime (8 - 20) O3_MCd NH3MCd NO2MCd SO2MCd<br />

MC nighttime (20-8) O3_MCn NH3MCn NO2MCn SO2MCn<br />

Max. Concentration O3_Max NH3Max NO2Max SO2Max<br />

AOT40<br />

AOT60<br />

AOT40<br />

AOT60<br />

(91) Plot number in Air Quality files D_SAMPLER_PASSIVE<br />

(Air Quality)<br />

See also (2) for format of this field. From 2009 onwards plot number is specified<br />

instead of active station ID. Each active sampler device is identified by plot number and<br />

sampler_ID (see (92)). These parameters are also used for link to the data submitted<br />

with form .AQA.<br />

General situation:<br />

Page 115 / 151

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