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MERRA: MODERN ERA RETROSPECTIVE-ANALYSIS FOR RESEARCH AND APPLICATIONS
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Begin Main Content
Validation Data Sets
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1. Other Reanalyses
| Acronym |
Full Name |
Time Period |
Grid Resolution |
Variables Used |
| GEOS4-CERES |
NASA Global Modeling and Assimilation Office |
1979 - present |
1.0 x 1.25 degree |
|
| ECMWF ERA-40 |
European Centre for Medium-range Weather Forecasts |
1958 - 2002 |
2.5 x 2.5 degree |
|
| NCEP R-2 |
National Centers for Environmental Prediction |
1948 - present |
1.875 x 2 degree |
|
| JRA-25 |
Japanese Meteorological Agency |
1979 - 2003 |
1.125 x 1.125 degree |
|
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2. Conventional & Satellite Observation Sets NOT Assimilated
| Acronym |
Full Name |
Time Period |
Grid Resolution |
Variables Used |
| NVAP |
NASA Water Vapor Project |
1988 - 2001 |
1.0 x 1.0 degree |
TPW |
| GPCP |
Global Precipitation Climatology Project |
1979 - prsent |
2.5 x 2.5 degree |
Precip |
| GSSTF |
Goddard Satellite-based Surface Turbulent Fluxes |
7/1987 - 12/2000 |
1.0 x 1.0 degree |
Evap |
| ISCCP |
International Satellite Cloud Climatology Project |
7/1983 - 12/2004 |
0.5 x 0.5 degree |
Clouds, Tskin |
| CRU |
Climatic Research Unit time series 2.1 |
1901 - 2000 |
5 x 5, 2.5 x 3.75 degree |
T2m, Precip |
| ERBE |
Earth Radiation Budget Experiment |
1984 - present |
? x ? degree |
radiation |
| OAFlux |
Objectively Analyzed air-sea Fluxes for the global oceans |
past 50 years |
1.0 x 1.0 degree |
radiation |
| HOAPS |
Hamburg Ocean Atmosphere Parameters and fluxes from Satellite (SSM/I) data |
1988 - 2002 |
0.5 x 0.5 degree |
Precip, radiation |
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3. Off-Line Land Products
| Acronym |
Full Name |
Time Period |
Grid Resolution |
Variables Used |
| GLDAS |
Global Land Data Assimilation System
( CLM2, MOSAIC, NOAH) |
1979 - 2005 |
1.0 x 1.0 degree |
LHF, SHF, Evap |
| GSWP2 |
Global Soil Wetness Project |
1986 -1995 |
1.0 x 1.0 degree |
LHF, SHF, Evap |
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Date Last Modified: 04/10/07
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