1. FMI’S CONTRIBUTION TO THE ASCOS EXPEDITION IN 2008
Antti Hyvärinen, Hannele Hakola, Risto Hillamo, Veli-Matti Kerminen, Esko Kyrö, Gerrit de Leeuw, Heikki Lihavainen, Ulla Makkonen, Outi Meinander, Jussi Paatero & Jouni Pulliainen
Finnish Meteorological Institute

2. HIGH-VOLUME FILTER SAMPLER
laboratory analysis of
radionuclides (lead-210 and beryllium-7)
elemental and organic carbon (EC/OC)
- 7th deck
400 VAC 3-phase, 3 kW

3. LOW-VOLUME FILTER SAMPLER, 1 or 2 units
laboratory analysis of
trace metals (ICP-MS)
organic compounds (LC-MS)
- 7th deck
230 VAC, 50 Hz, 300 W

4. FLASK AND ADSORBENT TUBE SAMPLERS
- laboratory analysis of organic compounds (LC-MS, GC-MS)
- portable samplers

5. FORWARD-SCATTERING SPECTROMETER PROBE (FSSP)
- Cloud droplet size distribution
- 7th deck, laptop computer indoors
- 230 VAC, 50 Hz, 300 W

6. CEILOMETER - to support the fssp data - range 25000 feet (~ 8 km)
- 7th deck, data logger and laptop computer indoors
- 230 VAC, 50 Hz, 300 W

7. VISIBILITY METER - to support the fssp data, range 0-50 km - 7th deck
- joint data logger and laptop computer with the ceilometer
- 230 VAC, 50 Hz, 300 W

8. SCINTILLATION GAMMA SPECTROMETER
- Measurement of external radiation (ion production rate)
- 7th deck, desktop computer indoors
- 230 VAC, 50 Hz, 250 W

9. NILU-UV SENSOR Measurement of UV radiation in 5 channels
Measurement of photosynthetically active radiation (PAR)
7th deck with a good horizon, on ice (met. village) during the drift
- undisturbed ice/snow cover for albedo measurements
230 VAC, 50 Hz, 100 W

10. RADON MONITOR continuous measurement of radon-222 7th deck, own inlet
in addition a computer and a pump
Electricity 110/230VAC, 50/60 Hz) has to be checked
Pump has to be checked

11. AEROSOL PARTICLE SIZE DISTRIBUTION
Differential mobility particle sizer (DMPS) for particles from >5-8 nm to 560 nm
suggested location: 4th deck, aerosol sampling manifold
requires ~250 W, 230VAC 1-phase
requires a Ni-63 source
requires n-butanol

12. AEROSOL PARTICLE SIZE DISTRIBUTION
APS TSI 3321
Particles from ~0.5 μm – 20 μm (well 10 μm since the PM10 inlet)
In 4th deck, gas sampling manifold
requires ~250 W, 230VAC 1-phase

13. MERCURY ANALYSER continuous measurement of total gaseous mercury (TGM)
requires argon 6.0 as carrier gas
4th deck, gas sampling manifold
in addition a laptop computer
230 VAC, 50 Hz, 250 W

14. OZONE MONITOR continuous measurement of ozone
support of Hg measurements
4th deck, gas sampling manifold
in addition a laptop computer
230 VAC, 50 Hz, 250 W

15. SOUNDING GROUND STATION
receiving of data from PTU, ozone and radioactivity sondes
7th deck, indoors
plus a laptop computer
power 230 VAC, 50 Hz, 200 W
two antennas with a good horizon
Helium (technical grade) for the balloons

16. OZONE SOUNDINGS
vertical profile of ozone concentration

17. RADIOACTIVITY SOUNDINGS
vertical profile of dose rate/ion production rate

18. Bubble measurement

19. To be negotiated...

20. Laser particle counter Grimm Model 180 (J. Paatero)
measures large particles ( µm)
requires its own inlet
suggested location: in its own weather shelter on the 7th deck (or on the roof of a container on the 4th deck)
requires ~250 W, 230VAC

21. AEROSOL CHEMISTRY (R. Hillamo)
2 SDI's, one for ions and the other for OC/EC
A Dekati 4-stage impactor at 80 LPM for aerosol mass closures
Virtual impactor, Dp < 1.3 µm and Dp > 1.3 µm
...followed by laboratory analysis in the FMI

22. AEROSOL OPTICS (R. Hillamo)
Nephelometer, 3 wavelengths
PSAP, 3 wavelengths
Aethalometer, 7 wavelengths
Microtops sunphotometer, 5 wavelengths