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Main Title: Retrieving Precipitable Water Vapor From Shipborne Multi‐GNSS Observations
Author(s): Wang, Jungang
Wu, Zhilu
Semmling, Maximilian
Zus, Florian
Gerland, Sebastian
Ramatschi, Markus
Ge, Maorong
Wickert, Jens
Schuh, Harald
Type: Article
References: 10.1594/PANGAEA.900131
Language Code: en
Abstract: Precipitable water vapor (PWV) is an important parameter for climate research and a crucial factor to achieve high accuracy in satellite geodesy and satellite altimetry. Currently Global Navigation Satellite System (GNSS) PWV retrieval using static Precise Point Positioning is limited to ground stations. We demonstrated the PWV retrieval using kinematic Precise Point Positioning method with shipborne GNSS observations during a 20‐day experiment in 2016 in Fram Strait, the region of the Arctic Ocean between Greenland and Svalbard. The shipborne GNSS PWV shows an agreement of ~1.1 mm with numerical weather model data and radiosonde observations, and a root‐mean‐square of ~1.7 mm compared to Satellite with ARgos and ALtiKa PWV. An improvement of 10% is demonstrated with the multi‐GNSS compared to the Global Positioning System solution. The PWV retrieval was conducted under different sea state from calm water up to gale. Such shipborne GNSS PWV has the promising potential to improve numerical weather forecasts and satellite altimetry.
Issue Date: 15-May-2019
Date Available: 29-Jan-2020
DDC Class: 550 Geowissenschaften
Subject(s): precipitable water vapor
Global Navigation Satellite System
Precise Point Positioning
shipborne GNSS PWV
Journal Title: Geophysical research letters
Publisher: Wiley ; American Geophysical Union (AGU)
Publisher Place: New York
Volume: 46
Issue: 9
Publisher DOI: 10.1029/2019GL082136
Page Start: 5000
Page End: 5008
EISSN: 1944-8007
ISSN: 0094-8276
Notes: ©2019. American Geophysical Union
Appears in Collections:FG Satellitengeodäsie » Publications

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