Micrometeorology Emission Inventory - Qi3
Micrometeorology Emission Inventory - Qi3
Micrometeorology Emission Inventory - Qi3
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V<br />
W<br />
(W = 0)<br />
U<br />
<strong>Micrometeorology</strong><br />
(Top-down approach)<br />
Proton Transfer Reaction –<br />
Mass Spectrometry<br />
Acetone Benzene Acetone<br />
Not characterised<br />
Flux = w’ χ’<br />
VOC <strong>Emission</strong> Sources<br />
Well characterised Poorly characterised<br />
Flux = <strong>Emission</strong> factor × Activity Statistic<br />
VOC <strong>Emission</strong> [T km -2 yr -1 ]<br />
8<br />
6<br />
4<br />
2<br />
0<br />
Benzene<br />
Acetone<br />
<strong>Emission</strong> <strong>Inventory</strong><br />
(Bottom-up approach)<br />
<strong>Emission</strong> factors and<br />
activity statistics
Eddy covariance techniques used to<br />
develop a carbon budget for a tropical<br />
Rainforest in SE Asia.<br />
VOC emissions offset the daytime C sink by<br />
0.4%<br />
CO2 Flux [mg C m -2 h -1 ]<br />
1500<br />
1000<br />
500<br />
0<br />
-500<br />
-1000<br />
CO2<br />
Total VOC<br />
4<br />
2<br />
0<br />
-2<br />
Total VOC Flux [mg C m -2 h -1 ]<br />
-1500<br />
00 02 04 06 08 10 12 14 16 18 20 22 00<br />
Hour [UTC+8]<br />
-4
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