| hasData_Center_Short_Name |
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| hasDataset_Online_Resource |
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| hasDataset_Title |
- NMC Global Tropospheric Analyses, tropopause subset
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| hasEntry_ID |
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| hasReference |
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Trenberth, K.E., and J.G. Olson, 1988: Evaluation of NMC Global
Analyses: 1979-1987. TN-299+STR, National Center for Atmospheric
Research, 82 pp..
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| hasSummary |
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NCEP Global Tropospheric Analyses on 2.5 degree grids, one for each
hemisphere, from 1 July 1976 to 12 April 1997. The Flattery analysis
method was used through 21 September 1978. It forced a relationship
between heights and winds which causes the zonal mean meridional
wind at every level to be zero. This also caused other problems with
winds in equatorial areas. The optimal analysis (OI) method (12
layer) started on 22 September 1978. In April 1985 the Medium Range
Forecast (MRF) model started, with 18 layers. Analyses include
geopotential height, temperature, wind (u- and v-components) and
potential temperature. In more recent years the temperature analyses
are derived from thickness temperatures.
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