The evaluation of ground-based GNSS tropospheric products at Geodetic Observatory Pecný

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025615%3A_____%2F16%3AN0000066" target="_blank" >RIV/00025615:_____/16:N0000066 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.springer.com/gp/book/9783319246031" target="_blank" >http://www.springer.com/gp/book/9783319246031</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/1345_2015_157" target="_blank" >10.1007/1345_2015_157</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The evaluation of ground-based GNSS tropospheric products at Geodetic Observatory Pecný

Popis výsledku v původním jazyce

The Geodetic Observatory Pecný (GOP) has developed and operated near real-time solutions for precise estimation of zenith total delays (ZTD) using data from the Global Navigation Satellite Systems (GNSS) permanent stations since 2001. The GOP tropospheric products have been assimilated into numerical weather prediction (NWP) models operated by Météo France and the UK Met Office and have been exploited in various ways by several other meteorological institutions. Over the last 3 years new developments consisted in the implementation and the assessment of (a) global hourly ZTD product, (b) regional ZTD products utilizing a common processing of the United States’ GPS and the Russian GLONASS data, (c) real-time ZTD product. Original and new tropospheric products were evaluated with respect to reference ZTDs provided by the International GNSS Service (IGS) and the IAG Reference Frame sub-commission for Europe (EUREF). Near real-time ZTD estimations from the network approach can be characterized by amean bias below2mm and a mean standard deviation of 3–6 and 3–8mm for regional and global analysis, respectively. The quality of ZTDs from the global analysis in Europe is highly consistent with those from the regional products. A half-year evaluation of the real-time ZTD production, using the Precise Point Positioning strategy and the IGS real-time orbit and clock products, resulted in the standard deviations below 10mm and the biases up to 20 mm. The real-time processing strategy and software are still under development and we expect further improvements. © Springer International Publishing Switzerland 2015.

Název v anglickém jazyce

The evaluation of ground-based GNSS tropospheric products at Geodetic Observatory Pecný

Popis výsledku anglicky

The Geodetic Observatory Pecný (GOP) has developed and operated near real-time solutions for precise estimation of zenith total delays (ZTD) using data from the Global Navigation Satellite Systems (GNSS) permanent stations since 2001. The GOP tropospheric products have been assimilated into numerical weather prediction (NWP) models operated by Météo France and the UK Met Office and have been exploited in various ways by several other meteorological institutions. Over the last 3 years new developments consisted in the implementation and the assessment of (a) global hourly ZTD product, (b) regional ZTD products utilizing a common processing of the United States’ GPS and the Russian GLONASS data, (c) real-time ZTD product. Original and new tropospheric products were evaluated with respect to reference ZTDs provided by the International GNSS Service (IGS) and the IAG Reference Frame sub-commission for Europe (EUREF). Near real-time ZTD estimations from the network approach can be characterized by amean bias below2mm and a mean standard deviation of 3–6 and 3–8mm for regional and global analysis, respectively. The quality of ZTDs from the global analysis in Europe is highly consistent with those from the regional products. A half-year evaluation of the real-time ZTD production, using the Precise Point Positioning strategy and the IGS real-time orbit and clock products, resulted in the standard deviations below 10mm and the biases up to 20 mm. The real-time processing strategy and software are still under development and we expect further improvements. © Springer International Publishing Switzerland 2015.

Druh

D - Stať ve sborníku

CEP obor

DE - Zemský magnetismus, geodesie, geografie

OECD FORD obor

—

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

IAG 150 Years. International Association of Geodesy Symposia

ISBN

978-3-319-24603-1

ISSN

09399585

e-ISSN

—

Počet stran výsledku

6

Strana od-do

759-765

Název nakladatele

Springer Verlag

Místo vydání

Switzerland

Místo konání akce

Potsdam, Germany

Datum konání akce

2. 9. 2013

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—