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Temperature, Pressure and Potential Vorticity Fields at Theta Surfaces from the European Centre for Medium-Range Weather Forecasting
Entry ID: NILU_ECMWF_ISENTROPIC

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Summary
Abstract: The pressure, temperature and potential vorticity (PV) fields are used for
European stratospheric ozone research projects, such as EASOE and SESAME
as well as other EU funded projects.

The PV, pressure and temp. on the different isentropic levels are
calculated from the ECMWF T213 initialized analysis extracted at a 1.125
degree lat-lon grid.

The trajectories are 10 day backward analyses ending ... View entire text
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 90.0   S: 30.0   E: 180.0   W: -180.0
Max Altitude: 30 KM

Temporal Coverage
Start Date: 1991-11-01
Location Keywords
Data Resolution
Latitude Resolution: 2.5 deg
Longitude Resolution: 2.5 deg
Temporal Resolution: Daily
Science Keywords
ISO Topic Category
Project
Access Constraints Access is restricted to those participating in EU atmospheric
chemistry projects, after signing the ECMWF protocol. Contact NILU for
details.
Use Constraints Use is restricted to those participating in EU atmospheric
chemistry projects, after signing the ECMWF protocol. Contact NILU for
details.
Ancillary Keywords
Data Set Progress
IN WORK
Originating Center
NILU
Data Center
Norwegian Institute for Air Research Supplemental Info
Data Center URL: http://www.nilu.no/
Dataset ID: NILU_ECMWF_ISENTROPIC

Data Center Personnel
Name: BJARNE SIVERTSEN
Phone: +47 63 89 80 00
Fax: +47 63 89 80 50
Email: bjarne.sivertsen at nilu.no
Contact Address:
Norwegian Institute for Air Research
PO BOX 100
City: KJELLER
Postal Code: N-2007
Country: NORWAY
Distribution
Distribution Media: CD-ROM
Distribution Size: 3 GB
Distribution Format: ASCII (NASA AMES)
Fees: Free of charge

Distribution Media: On-line access via FTP
Distribution Size: 20 GB
Distribution Format: GRIB and ASCII (NASA AMES)
Fees: Free of charge
Personnel
GEIR OLE BRAATHEN
Role: INVESTIGATOR
Phone: +47 63 89 80 00
Fax: +47 63 89 80 50
Email: geir.braathen at nilu.no
Contact Address:
Norweigan Institute for Air Research
PO BOX 100
City: Kjeller
Postal Code: N-2007
Country: NOrway
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Publications/References
The PV calculation is described in:
B.M.Knudsen and G.D.Carver, 'Accuracy of the Isentropic Trajectories
Calculated for the EASOE campaign'. Geophys. Res. Lett., Vol. 21,
1199-1202, 1994.

More information about the accuracy of PV is available in:
B.M.Knudsen and G.D.Carver, 'Dynamical processes in the ozone layer',
Danish Meterological Institute Scientific Report, 94-1, 1994.
Creation and Review Dates
Last DIF Revision Date: 2002-07-17

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