FMI

1
FMIS 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 gt5-8 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 (0.25-10 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 lt 1.3 µm and Dp gt 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