Table 15. International Participants

PI Team Institutions (per PI) Projects (per PI Team)
P. Crutzen
D. Kley
J. Heintzenberg
G. Peters
H. Graßl
D. Möller
S.A. Penkett
H. Cachier
Max-Planck-Institut für Chemie, Mainz
Forschungszentrum Jülich
Institut für Troposphärenforschung, Leipzig
Met. Institut der Universität Hamburg
Max-Planck-Institut für Meteorologie, Hamburg
Institut für Meereskunde, Rostock
Brandenburg Technische Universität, Cottbus
University of East Anglia, Norwich
Centre des Faibles Radioactivités
Availability of R/V Sonne.
Shipborne measurements supporting:
-chemical transformation and removal of pollutants
-convective redistribution of trace species in
   the ITCZ
-microphysical and radiative properties of clouds
-physical characteristics of aerosols. Doppler radar.
   Measurement of peroxy radicals.
Sondes for water vapor and ozone.

M. Andreae,
S. Rapsonmanikis
Max-Planck-Institut für Chemie, Mainz
Airborne measurements supporting:
-aerosol characterization
-SO2 as input of sulfate production model
-"fast" DMS by API mass spectrometry

J. Heintzenberg Institut für Troposphärenforschung, Leipzig
Island station: multi-wavelenth lidar, radiosondes Solar and stellar photometers3J. Lelieveld Inst. for Marine and Atmos. Research, U. Utrecht

P. Crutzen
H. Kelder
F. Arnold
H. Hanson
Max-Planck-Institut für Chemie, Mainz
Royal Netherlands Meteorological Institute
Max-Planck-Institut für Kernphysik, Heidelberg
Meteorological Institute, Stockholm University
Availability of a Cessna Citation II.
Airborne measurements supporting:
-chem. transformations of trace species during transport over the IO into the ITCZ (clouds).
-convective redistribution of trace species in ITCZ.
-STE of ozone and TSE of H20 and other species.
Meteorological support, incl. field phase forecasts. Chem ECHAM (T-30-T60) and ECHAM nudging. AVHRR (convection/anvils), GOME (O3, NO2, H20).

R. Sadourny,
R. Kandel,
M. Desbois,
N. Scott, and
H. Le Treut
Y. Fouquart
G. Megie
H. Cachier
Laboratoire de Météorologie
Dynamique du CNRS, Paris

Laboratoire d'Optique Atmospherique, Lille
Service d' Aéronomie, Paris
Centre des Faibles Radioactivités
Low-level tracking by constant volume balloons. Cloud-radiation studies with ScaRaB, POLDER data. Characterization of deep convective systems. 3I satellite analysis of horizontal transport processes. Global modeling with aerosol-cloud effect, zooming. Cloud-radiation-aerosol studies with POLDER. Chemical measurements in La Réunion. Carbonaceous aerosol samplings in La Réunion / Malé.5A.P. Mitra National Physical Laboratory, New Delhi

A.P. Mitra
K.S. Zalpuri
A. Jayaraman
B.V. Krishnamurthy
S.W.A. Naqvi
U.C. Mohanty

S.K. Misra
J. Srinivasan
National Physical Laboratory, New Delhi
Physical Research Laboratory, Ahmedabad
Vikram Sarabhai Space Centre, Trivandrum
National Institute of Oceanography, Goa
Indian Institute of Technology, New Delhi
National Centre for Medium Range Weather
Space Application Centre, Ahmedabad
Indian Institute of Science, Bangalore
Availability of R/V Sagar Kanya, and INSAT data. Surface O3, NOx, aerosols. Sodar for BL studies. Aerosol impactor for mass concentration and size. Optical depth and size distribution of aerosols. Fluxes of greenhouse gases in the Indian Ocean. ITCZ dynamics and transition Jan-Apr. Flow pattern over relevant IO region. Opt. depth, cloud-radiative (INSAT, ScaRaB). Ozone sensor, multiwavelength radiometer.


  1. Proposal for usage of F/S Sonne has been submitted. All experiments to be supported by base funding.
  2. Supported by base funding. Small amount of US funds to be needed to integrate instruments onto C-130 and WB-57.
  3. Supported by base funding.
  4. Usage of the Cessna Citation has been approved. All experiments to be supported by base funding.
  5. Proposal for constant volume balloons has been submitted. All experiments to be supported by base funding.
  6. Usage of R/V Sagar Kanya has been approved. All experiments to be supported by base funding.