CarboEurope R.E. Project
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A tower will be set up above a maize crop from the sowing (probably at the end of April or beginning of May) to the pollinating period (end of July).
The site coordinates are :
- Longitude : 0° 38.26 min. W
Latitude : 44° 24.16 min. N
figure I.1.1-a : View of the site (farmland "La Cape Sud") and flux tower location (red solid circle) above
maize crops
EC measurements use open path infra-red gas analyser system and sonic anemometer. Standard meteorological measurements will be taken during the experiment. Detailed instruments are given in the table below.
table I.1.1-a : Detailed instruments at La Cape Sud
site
|
Parameter |
Instrument |
|
CO2 & H2O IRGA |
Li-7500 (LICOR,
Lincoln, NE, USA) |
|
3D-wind |
Sonic Young 81000 |
|
Horizontal wind speed |
Cup anemometer (Cimel) |
|
Wind direction |
Campbell |
|
Air temperature and humidity |
Vaisala |
|
Net radiation |
NR-Lite |
|
Global radiation |
Cimel CE 180 |
|
PPFD |
Skye |
|
Precipitation/irrigation |
Several Rain jauges (ARG100) |
|
O3 |
Fast and low response ozone analyzer |
Additional measurements of LAI and biomass will be done twice a month. Maize height will be measured once a week.