- NCAR Global, 2-hourly Ground-Based GPS Precipitable Water
Wang, J., and L. Zhang, 2009: Climate applications of a global,
2-hourly atmospheric precipitable water dataset from IGS
ground-based GPS measurements. J. of Geodesy, 83, 209-217 (DOI:
Wang, J., L. Zhang, A. Dai, T. Van Hove, and J. Van Baelen, 2007: A
near-global, 8-year, 2-hourly atmospheric precipitable water dataset
from ground-based GPS measurements. J. Geophys. Res., 112,
AGU:D11107 (DOI: 10.1029/2006JD007529).
NCAR global, 2-hourly GPS precipitable water data are derived from
ground-based GPS measurements of zenith path delay (ZPD) using three
different resources, including the International GNSS (Global
Navigation Satellite Systems) Service (IGS) tropospheric products
(since year 1995), U.S. SuomiNet (UCAR/COSMIC) products (since year
2002) and Japanese GEONET (GPS Earth Observation Network) data
(~1100 stations, 1997-2005).
The data are divided into two groups: one is from GEONET network,
and the data are available from 1997 to 2005; the other one combines
IGS and SuomiNet network, and the data are available since year 1995
and planned to be updated yearly.
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