GPS VLBI GEONET by GSI GPS Earth Observation

GPS VLBI

GEONET by GSI (GPS Earth Observation Network System) (Seko et al. , 2003)

マッピング関数(続き) Atmospheric delay Mapping function elevation azimuth coefficients

マッピング関数の作り方 波線追跡法 (ray tracing) Atmosphere model Numerical Weather Model

Vienna Mapping Function

2. 5°X 2. 0°

山岳波の影響 Mt. Fuji wind mountain lee wave wind cool wet warm dry Izu peninsula

Global Spectral Model (GSM) Regional Spectral Model (RSM) Mesoscale Model (MSM) Forecast range 90 hours (00 UTC) 216 hours (12 UTC) 51 hours 18 hours Initial Times 00, 06, 12, 18 UTC 00, 12 UTC 00, 03, 06, 09, 12, 15, 18, 21 UTC Forecast Domain Global East Asia Japan Map projection - Horizontal Grid # 640 x 320 325 x 257 361 x 289 Truncation Wave # T 213 214 x 169 238 x 190 Grid spacing 0. 5625 deg. (~60 km) 20 km 5 km Vertical layers 40 40 Top Layer Pressure Precipitation process 0. 4 h. Pa 10 h. Pa Prognostic Arakawa-Schubert Large-scale condensation Prognostic cloud water content Prognostic Arakawa-Schubert Moist convective adjustment Large-scale condensation Lambert Conformal

900 h. Pa 925 h. Pa 950 h. Pa 1000 h. Pa 地表 00 UT 10/01/2004

Vienna Mapping Function