[ISO_Topic_Category='ENVIRONMENT']
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Oceanographic data from the Environmental Impact Assessment of the Davis Sewage Outfall
Entry ID:
DAVIS_STP_Oceanography
Summary
Abstract:
Untreated, macerated wastewater effluent has been discharged to the sea at Davis Station since 2005, when the old wastewater treatment infrastructure was removed. This environmental assessment was instigated to guide the choice of the most suitable wastewater treatment facility at Davis. The assessment will support decisions that enable Australia to meet the standards set for the discharge of ...
 Purpose: This is the master metadata record for the oceanographic data for the project. It is linked to datasets of current meters, dye dispersal experiments and current modelling.
Related URL
Geographic Coverage
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Spatial coordinates
Parent DIF
Temporal Coverage
Start Date:
2009-11-01
Stop Date:
2010-03-31
Location Keywords
Science Keywords
ISO Topic Category
Platform
Instrument
Project
Quality
WARNING: EP TOMS started experiencing calibration problem since 2002. For data beginning in year 2000, the calibration has been stabilized relative to NOAA-16 SBUV/2 in the equatorial zone. Because of continuing changes in the optical properties of the front scan mirror that are not well understood, data are showing a latitude dependent error that cannot be corrected by a simple calibration correction. The calibration appears to be stable near the equator. But by 50 degrees latitude, there is now a -2% to -4% error in TOMS, a bit larger in the northern hemisphere than in the southern hemisphere. Because of this error, data since 2002 should NOT be used for trend analysis
Use Constraints
EP TOMS started experiencing calibration problem since 2002. Because of the continuing changes in the optical properties of the front scan mirror that are not well understood, data started showing a latitude dependent error that cannot be corrected by a simple calibration correction. The calibration appears to be stable near the equator. But by 50 degrees latitude, there is now a -2% to -4% error in TOMS, a bit larger in the northern hemisphere than in the southern hemisphere.
Earth Probe TOMS data since 2002 should NOT be used for trend analysis because of the calibration problem. Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Distribution
Distribution Media:
FTP/HTTP
Distribution Size:
120 MB
Distribution Format:
ASCII
Fees:
Free
Personnel
Role:
INVESTIGATOR
Phone:
301-614-5731
Fax:
301-614-5903
Email:
Pawan.K.Bhartia at nasa.gov
Contact Address:
NASA
Goddard Space Flight Center
Mailstop 613.3
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
Publications/References
Eck, T. F., Bhartia, P. K., Kerr, J. B., Satellite estimation of spectral UVB irradiance using TOMS derived total ozone and UV reflectivity, Geophy. Res. Letters 1995, 22, 611-614
Herman, J.R., et al., "Meteor-3 Total Ozone Mapping Spectrometer (TOMS) Data Products User's Guide." NASA reference publication 1393, 1996. McPeters, R.D., et al., "Earth-Probe Total Ozone ... Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2011-02-23
Last DIF Revision Date:
2012-12-13
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