[Project: Short_Name='TRMM']
TRMM Ground Validation (GV) Radar Reflectivity Product (TRMM GV Product 1B51)
Entry ID: GES_DISC_TRMM_1B51_V7

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Summary
Abstract: The Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully launched on November 27, 1997 at 4:27 PM (EST) from the Tanegashima Space Center in Japan.

The purpose of the TRMM Ground Validation (GV) program is to develop validation methods and to obtain ... View entire text
Related URL
Link: GET DATA > MIRADOR
Description: Allowing station searching.

Link: VIEW PROJECT HOME PAGE
Description: This URL contains information and data access for all of the Goddard DAAC's hydrology data holdings, including TRMM data from the TMI, Precipitation Radar (PR) and Visible and Infrared Scanner (VIRS) instruments, the Ground Validation (GV) radar data, and ancillary and correlative data products.
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -12.25   S: -12.25   E: 131.04   W: 131.04
  N: 13.45   S: 13.45   E: -144.81   W: -144.81
  N: 29.47   S: 29.47   E: -95.08   W: -95.08
  N: 8.72   S: 8.72   E: 167.74   W: 167.74
  N: 28.11   S: 28.11   E: -80.64   W: -80.64

Data Set Citation
Dataset Originator/Creator: Tropical Rainfall Measuring Mission Project (TRMM)
Dataset Title: TRMM Ground Validation (GV) Radar Reflectivity Product (TRMM GV Product 1B51)
Version: 7
Online Resource: ftp://disc2.nascom.nasa.gov/data/s4pa/TRMM_GV_L1/
Temporal Coverage
Start Date: 1997-12-01
Location Keywords
Data Resolution
Latitude Resolution: 2 km
Longitude Resolution: 2 km
Horizontal Resolution Range: 1 km - < 10 km or approximately .01 degree - < .09 degree
Vertical Resolution: Surface
Temporal Resolution: 5-10 minutes
Temporal Resolution Range: 1 minute - < 1 hour
Science Keywords
ISO Topic Category
Platform
TRMM > Tropical Rainfall Measuring Mission Ancillary Description
Instrument
RADAR > Radio Detection and Ranging Ancillary Description
Project
Quality A threshold value of -15 dBZ is applied to the raw radar reflectivity. Data are truncated at 230 km (slant range). Each file includes a table of correction factors, to be mathematically added to the appropriate fields, generally related to the radar platform. Details of the corrected fields are given in http://pps.gsfc.nasa.gov/.
Access Constraints None
Ancillary Keywords
Originating Center
NASA GSFC GES DISC
Data Center
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA Supplemental Info
Data Center URL: http://disc.gsfc.nasa.gov/

Data Center Personnel
Name: GES DISC HELP DESK SUPPORT GROUP
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Distribution
Distribution Media: Online (FTP)
Distribution Size: increasing daily
Distribution Format: HDF
Fees: none
Personnel
BRAD FERRIER
Role: INVESTIGATOR
Phone: (301)763-8000 x7290
Fax: 301)763-8545
Email: brad.ferrier at noaa.gov
Contact Address:
NOAA/NWS/NCEP/EMC
City: Camp Springs
Province or State: MD
Postal Code: 20705-2675
Country: USA
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Publications/References
Interface Control Specification Between the Tropical Rainfall Measuring Mission Science Data and Information System (TSDIS) and the TSDIS Science User (TSU). Volume 3: File Specifications for TRMM products-Level 1. NASA Goddard Space Flight Center. (http://pps.gsfc.nasa.gov/).
Creation and Review Dates
DIF Creation Date: 2011-07-19
Last DIF Revision Date: 2011-07-20

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