Atmos Composition
Readme for TRMM Product 3B42 (V6)
Data Access for
3B42:
http://disc.sci.gsfc.nasa.gov/data/datapool/TRMM_DP/01_Data_Products/02_Gridded/06_3-hour_Gpi_Cal_3B_42/
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| TRMM 3B42 Characteristics | |
|---|---|
| Temporal Coverage | Start Date: 1998-01-01; Stop Date: - |
| Geographic Coverage | Latitude: 50°S - 50°N; Longitude:180°W - 180°E |
| Temporal Resolution | 3-Hourly |
| Horizontal Resolution | 0.25° x 0.25°; nlat = 400, nlon = 1440 |
| Average File Size | Compressed: ~285 KB; Original: ~4.5 MB |
| File Type | HDF |
Further information on the contents and structure of the TMI rain profile (2A-12) product can be found in Volume 4 of the "File Specifications for TSDIS Products - Level 2 and Level 3" .
| Data Format Structure for 3B42, TMI Profiling | |||||||
|---|---|---|---|---|---|---|---|
| Name | Type | Record Size (byte) |
Dim Size/ # of Records |
Scaled by |
Range | Unit | Description |
| ECS Core Metadata | Char Attribute | 10,000 | - | - | - | - | ECS Core Metadata |
| PS Metadata | Char Attribute | 10,000 | - | - | - | - | Product Specific Metadata |
| Grid Structure | Char Attribute | 5,000 | - | - | - | - | The specification of the grid geometry |
| Precipitation | Float SDS | 4 | nlat*nlon | - | 0.0 - 100 | mm hr-1 | Adjusted GPCP precipitation estimate |
| Relative Error | Float SDS | 4 | nlat*nlon | - | 0.0 - 100 | mm hr-1 | Adjusted GPCP relative error estimate |
Note: nlat = 400: number of 0.25° latitude grids from 50°S - 50°N;
nlon = 1440: number of 0.25° longitude grids from 180°W - 180°E;
Missing data are given the value of -9999.
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- TRMM 3B42 can be accessed and ordered by using the Goddard DAAC's TRMM Data Search and Order System at http://disc.sci.gsfc.nasa.gov/data/datapool/TRMM_DP/01_Data_Products/02_Gridded/06_3-hour_Gpi_Cal_3B_42/
Appendix
Webmaster: Hualan Rui -- rui@daac.gsfc.nasa.gov
Last Updated: December 01, 2003 10:57:03 EDT
