Technische Details
Falls Sie zu diesem oder anderen Texten eine deutsche Übersetzung wünschen, bitten wir Sie sich direkt an uns zu wenden.
Measured parameters on board of MetAir's aircraft METAIR-DIMO HB-2335
see also www.eufar.net and navigate: Aircraft & Experiments / Operators / METAIR
Click to see all Instruments, or try this direct link
see also www.eufar.net and navigate: Aircraft & Experiments / Operators / METAIR
Click to see all Instruments, or try this direct link
Falls Sie zu diesem oder anderen Texten eine deutsche Übersetzung wünschen, bitten wir Sie sich direkt an uns zu wenden.
Measured parameters on board of MetAir's aircraft METAIR-DIMO HB-2335
see also www.eufar.net and navigate: Aircraft & Experiments / Operators / METAIR
Click to see all Instruments, or try this direct link
see also www.eufar.net and navigate: Aircraft & Experiments / Operators / METAIR
Click to see all Instruments, or try this direct link
parameter |
instrument /method |
range from..to |
resolution parameter / time |
precision / accuracy |
calibration or checks |
position (x,y,z) |
GPS TANS Vector OXS RT3102 |
global | 1 m / 1 s 0.01 m / 100 Hz |
5..20 m 0.1 .. 1 m |
fix points |
ground speed (vx, vy) |
GPS TANS Vector OXS RT3102 |
global | 0.1 m/s / 1 Hz 0.01 m/s / 100 Hz | 0.1..0.5 m/s 0.03 m/s |
zero and wind |
attitude (azi, pitch, roll) | GPS TANS Vector OXS RT3102 |
azi 0..360° pitch/roll 60° |
0.1° / 10 Hz 0.01° / 100 Hz |
0.1 / 0.5° 0.05° |
fix and wind |
acceleration (vertical / lateral / longitudinal) |
Kistler/DLR OXS RT3102 |
-20..+30 m/s2 ±100 m/s2 |
0.01 m/s2 / 10 Hz 0.01 m/s2 / 100 Hz |
0.01 m/s2 | integration of 3-d ground speed and position |
air temperature | Meteolabor thermocouple | -50..50 oC | 0.1 °C / 10 Hz | 0.1 / 0.5 oC | ice-water / mercury fly-byes at stations |
dewpoint |
Meteolabor dewopoint mirror | -50..50 oC | 0.1 °C / 1 Hz | 0.1 / 0.5 oC | psychrometer |
5 pressures (1 absolute, 4 diff.) for ... | Keller capacitve sensors | 300..1300; 0..50 hPa | 0.02 hPa / 10 Hz | 0.1 / 0.5 hPa | factory calibrated |
...flow angles | differences of pairs (left/right, top/bottom) | -20..20° | 0.1° / 0.1 s | 0.1°/0.5° | wind residuals |
...true airspeed | calculated (p,T,u) | 10..70 m/s | 0.1 m/s / 10 Hz | 0.2 / 0.5 m/s | wind residuals |
...and pressure altitude | integrated (p,T,u) | 0..7000 mMSL | 1 m / 4 s | 3 / 10 m | mountaintops |
height above ground | Laser altimeter RIEGL LD90-3300HR | 0.1..500 m | 0.1 m / 100 Hz | 0.1 / 0.5 m | against altitude from RT3102 and known topography (e.g. SRTM) |
3-d wind (x,y,z) 2-d wind (x,z) |
post flight processing from above parameters new: airborne wind LIDAR Zephir |
0.5..30 m/s 1..80 m/s |
0.5 m/s / 10 Hz 0.3 m/s / 50 Hz |
0.5 / 1.0 m/s 0.3 / 0.5 m/s |
wind during maneuvers maneuvers & comparison |
2 aerosol sizes (0.3 and 0.5 mm) | MetOne LASER particle counter | 0..200 cm-3 | 0.02 cm-3 / 1 s |
0.02 cm-3 | factory calibration |
aerosols (>10 nm) (*) | TSI condensation particle counter | 0..1e4 cm-3 | 0.04 cm-3 / 1 s |
0.04 cm-3 | fact.cal.+zero |
15 aerosol sizes (0.3 to 20 mm) | GRIMM dust monitor model 1.08 |
0..500 cm-8 | 8 e-3 cm-3 / 6..60 s | 8 e-3 cm-3 | fact.cal.+zero |
O3 (slow, accurate) | PSI / UV absorption | 2 ppb .. 1 ppm | 1 ppb / 4 s | 1 / 2 ppb | cal. gas |
O3 (fast, but, drifting) (**) | Scintrex LOZ-3 (Eosin-Y chemilum.) | 1 ppb..1 ppm | 0.1 ppb / 10 Hz | 10 ppb | against UV-photometer |
speciated hydrocarbons (C4..C10) | Gaschromatograph Airmotec HC-1010 | 10 ppt..10 ppb | 10 ppt / 10' | 10 ppt / 50 ppt or 20 % | cal.gas |
NO2, NOx, NOy, HNO3, PAN, Ox | METAIR-NOxTOy: 6-channel Luminol-detector with CrO3- and Mo-converters | 0.5..500 ppb | 0.1 ppb / 1..5 s | 0.1 /0.5 ppb | NO2 calibration gas |
SO2 (**) | FIAMS, Adelaide (Luminol with H2O2) | 0.5..500 ppb | 0.1 ppb / 1 Hz | 0.1 / 1.0 ppb | cal. gas |
Peroxides (H2O2 and organic) (*) | Aerolaser (enzymatic fluorometry) | 0.1..20 ppb | 50 ppt / 10 s | 0.1 / 0.5 ppb | H2O2 in water |
Formaldehyde (HCHO) (*) | similar as for H2O2 (above) | HCHO in water | |||
CO2 | LICOR- IRGA LI-6262 and LI-7500 (both modified) | 310..410 ppm (adj.) | 0.05 ppm / 10 Hz | 0.05 / 0.3 ppm | cal. gas and flasks |
H2O | LICOR- IRGA LI-6262 and LI-7500 (both modified) | 0..20 g/kg (adj.) | 0.01 g/kg / 10 Hz | 0.01 / 0.05 g/kg | dewpoint mirror |
CO |
Aerolaser AL-5003 (fast Vacuum UV-fluorescence, special bare-bone version) | 2 ppb..5 ppm | 1 ppb / 5 Hz | 1 ppb / 3 ppb | cal. gas (also in-flight) plus flasks |
manual sampling of up to 12 glass flasks for CO2, CO, CH4, N2O, H2, SF6, 18O, 13C | Installation and Operation MetAir, Analysis MPI Jena |
MPI Jena | |||
CH4 |
Fast Methane Analyzer Los Gatos LGR DLT-100 modified by MetAir and ETH |
0.3..25 ppm | 0.1 ppb / 1 Hz | 1 ppb ? under evaluation | calibration gas and flasks, also for assessing any H2O interference |
automatic sampling units for VOC's, biog. VOC's, SF6, etc. (*) |
MetAir / FZJ | ||||
IR surface temperature (*) | Heitronics KT15.85 | -25 .. 200 °C | 0.1 °C / 1 Hz | 0.5 °C | known surfaces like lakes |
IR imager (*) | FLIR or other rented cameras | ||||
Laser Scanner (*) | RIEGL Q560 ALS rented as complete Laser Pod from ARA |
50 to 1000 mGND | 5 cm / 100 kHz | 5 .. 10 cm | ground truthing |
*) optional, not installed in standard instrumentation; may be added or exchanged with another instrument/parameter. |
**) not used since more than 10 years, might be out of order |
News
Quantifying methane emissions in the Surat Basin, Australia
See our latest publication in the list of publications
METAIR-DIMO 2016 over the North Sea
METAIR-DIMO during the FTL (Flight Test Lab) of the two Universities of Applied Sciences Aachen and Zurich (ZHAW) in August 2016.
Picture see HERE
Shortly after this, we documented methane emissions from the natural gas fields near Groningen, Netherlands. See Yacovich et al. in the list of publications
C-MapExp
In August 2012, METAIR was participating in C-MapExp - a joint project with the University of Bremen and FU Berlin, funded by ESA:
Blog 1: a-new-campaign-to-measure-atmospheric-carbon/
Blog 2: first-flights/
Blog 3: nothing-but-blue-skies/
Blog 4: reflecting-on-the-c-mapexp-campaign/
Blog 2: first-flights/
Blog 3: nothing-but-blue-skies/
Blog 4: reflecting-on-the-c-mapexp-campaign/
Results of the campaign see Publications