Introduction
The European eXport of Precursors and Ozone by long-Range Transport (EXPORT)
project has the following primary objective:
To characterise and quantify the photochemical air pollution both forming over
Europe and being exported eastwards from Europe.
The methodology has been to conduct a flying campaign in August 2000 during
which measurements of many photochemical parameters including ozone, its
precursors, other oxidants and both gas phase and particulate tracers were
made in the air over Europe and that being transported eastwards out of
Europe. The collected data will then be used to:
- identify the origin of
the observed polluted air masses;
- characterise their chemical
composition and tendencies;
- validate chemical transport models, which
will then be employed to quantify the contribution of European emissions to
tropospheric ozone.
Three aircraft were involved in the flying campaign which was based at
Oberpfaffenhofen in Southern Germany:
- the C-130 Hercules aircraft (NERC Atmospheric Research Airborne Support Facility) operated by the Meteorological Research
Flight (MRF);
- the Falcon operated by the German Aerospace Centre (DLR);
- the Mystere belonging to the University of Pierre and Marie Curie Paris -
Service d'Aeronomie (UPMC-SA).
Each aircraft was independently funded from national resources, which in the case of the C-130, was provided
equally by the Met Office and NERC.
The C-130 was equipped with instrumentation for the measurement of many gas
phase species and particulate quantities in addition to filter radiometers
(see Table). The DLR Falcon was also extensively equipped and was able to
extend the altitude range of some species above the ceiling of the C-130
(from 10 to 13 km). The Mystere was only equipped with a few in situ
chemical sensors, but carried an airborne LIDAR, which was able to produce
ozone cross-sections.
Data collected on board all 3 aircraft will be processed and quality
controlled before being submitted to this central archive at BADC, within
6 months of collection (February 2001). This data is governed by a Data
Protocol, which will allow it to be available to all participants whilst
ensuring due credit is given to the providers. The data from the C-130
was made publicly accessible 2 years after collection (August 2002).
The groups involved are the Universities of East Anglia, Cambridge,
Leicester, Leeds, Reading and UPMC-SA, MRF, DLR, Max-Planck Institute
for Nuclear Physics - Heidelberg and the Norwegian Institute for Air Research.
Access Restrictions
EXPORT data are available to users subject to the terms
and conditions of the EXPORT
conditions of use.
The data are freely available but users must be
registered with the BADC
and agree to the conditions of use.
Register for the EXPORT data.
- Users are strongly advised to contact the relevant data provider before
making use of any particular data set.
- Users commit themselves to use the data for scientific purposes exclusively.
In particular, they will not use them for any commercial or commercially
related purpose.
- When using EXPORT data to support your study, you are kindly asked to
acknowledge their provider(s) in any subsequent publication.
|
Measurements and Availability of data
You may browse the files in the
data archive.
To see the individual files you will need to have electronically accepted the EXPORT
Data Protocol. The files can be downloaded either via the World Wide Web,
or using FTP.
Trajectories calculated as part of EXPORT can be found
here. Postscript files of
the ECMWF forecasts are also available for those permitted to use EXPORT data.
EXPORT adopted NASA Ames Format for Data Exchange as its
standard file format.
Links to further information and references
Citation
Ancellet, G.; Bandy, B.; Brough N.; Carney R.; Green, T.; Kent, J.; Lewis A.; McQuaid J.; Mills, G.; Oram D.; Phillips, G.J.; Purvis, R.; Ravetta, F.; Reeves, C.; Sturrock, G. European eXport of Precursors and Ozone by long-Range Transport (EXPORT), [Internet]. NCAS British Atmospheric Data Centre, 2006-, Date of citation. Available from http://badc.nerc.ac.uk/view/badc.nerc.ac.uk__ATOM__dataent_EXPORT .
Who to contact
If you have queries about these pages or about obtaining the EXPORT data from the BADC then you should contact BADC Support. Your query should be answered within one working day. When follow-up work is required, the BADC support will carry out the work as quickly and efficiently as possible, and in any case, the user will be kept informed of progress.
For more details on the flight campaign contact Dr. Claire Reeves.
Please wait...
