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GNSS-meteorology situation

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Presentation on theme: "GNSS-meteorology situation"— Presentation transcript:

1 GNSS-meteorology situation
SPAIN Dr. Enrique Priego COST ES1206, Iceland 8-10 march 2016

2 IGN IGN-E background IGN managing GNSS national network
̴ 50 stations 22 of them integrated in the EUREF PN EUREF Local Analysis Center since 2001 Proccessing subnetwork 64 EPN stations Final and rapid solutions Updated to BSW 5.2, GPS+GLONASS IGE, E-GVAP Analysis Centre since 2008 EUMETNET GNSS Water Vapour Programme Providing ZTD from ~ 340 stations for Spain & Portugal in NRT

3 IGN Current processed Network for E-GVAP
Previous PP process ~ 350 stations 72 IGS or EPN stations 10 E-GVAP “supersites” 19 IGb08 for Datum fixing > 300 stations in the area: Spain Public (regional networks) Private Portugal and France (south) Public stations (IGP & IGN) From 22 different regional networks Not all the stations provide hourly data on time (limit < 25 min): Normally, about 320 stations are NRT processed for E-GVAP From: E-GVAP web (egvap.dmi.dk)

4 IGN Submitting new E-GVAP solution
IGE migrates to BSW 5.2 (from April 2014) Continue proccessing for EUREF, E-GVAP, Repro-2 projects in the south-west European area. Currently testing real-time ZTD estimation for RTK purposses. BSW 5.2 2010 IERS standars Dry GMF a priori / wet GMF estimation Atmospheric Tidal Loading (ATL) applied GPS + GLONASS Small changes in FES2004 ocean loading coefficients CODE ultrarrapid orbits and ERPs 6 hours NEQ combination 14 minutes proccessing Files in new COST 2.2 format

5 AEMET ZTD GNSS data assimilation

6 University Heavy rain analysis based on ZTD GNSS
Analysis of local heavy rainfalls with PW-GNSS Extrapolation of pressure data from the nearest stations Monitoring PW-GNSS in the Spanish Mediterranean Area Cartographic representation of ZTD or PW Graphical comparison between interpolation methods (GIS)

7 University Heavy rain analysis based on ZTD GNSS
12 years in Valencia city IWV fields correlate well with approaching frontal rainfall

8 University Monitoring in Spanish Mediterranean area

9 University Monitoring in Spanish Mediterranean area

10 THANK YOU for you attention!
SPAIN COST ES1206, Iceland 8-10 march 2016

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