EAQUATE
Introduction
The EAQUATE
(European AQUA Thermodynamic Experiment) project aimed at validating radiances
and level 2 products from the
Atmospheric Infrared
Sounder (AIRS)
grating spectrometer aboard the
Aqua satellite.
The project included two phases.
The first phase took place in Italy and used the Scaled Composites
Proteus
aircraft as well as a range of ground based remote sensing instruments.
The second phase took place in the UK in September 2004 and used both the
Proteus and the
FAAM
BAE 146 aircrafts
based at Cranfield.
Availability of data
The EAQUATE archive maintained at the BADC will include the following
- Data from ground based instruments.
- Data collected aboard the Proteus aircraft.
- Data collected aboard the FAAM Bae-146 aircraft (14-18 September 2004).
- AIRS data collected aboard Aqua and covering areas over which the two
aircrafts have flown.
- Model fields.
The FAAM data include both core and non-core data (for a definition of
core data, see the document on
FAAM Instruments).
Data, documentation and software supplied to the BADC by
the project team are stored in the BADC
EAQUATE archive,
from where they can be viewed and downloaded by authorised users.
Data format - File names
EAQUATE data are stored in either
NetCDF or
NASA Ames format.
File names follow the
BADC file name convention
and (for FAAM data) the
FAAM file name convention.
Instructions to data providers
Data file names.
Data providers are kindly requested to follow the BADC
file name convention.
Additional rules apply to FAAM file names.
Note that the first component of the file name is the instrument (or group of
instruments, or model) name.
A list of standard
instrument/model names, including the FAAM instruments, is available.
Please advise the BADC if you can't find
your instrument or model in the list, or if you would like to record data from
several instruments in a single file, so that we can update the list (in
agreement with the FAAM board if it is an instrument or a group of instruments
flying on the FAAM aircraft).
The second component of file names (the location/platform) must be
faam in the case of data collected onboard the FAAM aircraft.
Data file format.
Please format your data in
NetCDF,
using the CF metadata conventions.
NASA Ames formatted files are also
accepted.
If you wish to check that files are correctly formatted before uploading them
please use the
NetCDF format checker or the BADC
NASA-Ames format
checker.
Many data files contain the variable time which can be expressed in
several ways. Guidelines on the
recommended format of the time-variable header lines, units and the data values in
Nasa-Ames files are available and are based on the format used in NetCDF.
Metadata.
It is important that the data be well documented.
Please follow the BADC guidelines regarding the submission of
metadata.
Data file submission.
In order to upload data files to the BADC, you need to be registered with
the relevant group - see "Access to data" section above).
FAAM core data: via the
FAAM web uploader
(access restricted to registered FAAM instrument operators).
All other data data: via the
EAQUATE web uploader
(access restricted to registered EAQUATE participants).
Large amounts of data can also be submitted by ftp (please contact the
BADC help desk for further information).
Documentation
Services
Links to further information
Citation
FAAM, [Taylor, J.]. FAAM - European AQUA Thermodynamic Experiment (EAQUATE), [Internet]. British Atmospheric Data Centre, 2004-, Date of citation. Available from http://badc.nerc.ac.uk/data/eaquate/.
Who to contact
- The EAQUATE Principal Investigator in the UK is
Jonathan Taylor
(UK Met Office).
- Any query regarding the data should be sent to the
BADC help desk.
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