Tropospheric delay performance for GNSS integrated water vapor estimation by using GPT2w model, ECMWF's IFS operational model and in situ meteorological data [PDF]
Advances in Geosciences, 2018 Tropospheric delay comprises one of the most important error sources in satellite navigation and is caused when radio signals broadcasted by GPS satellites propagate into the atmosphere.
C. Oikonomou +10 more
doaj +3 more sources
Hourly PWV Dataset Derived from GNSS Observations in China [PDF]
Sensors, 2019 The rapid variation of atmospheric water vapor is important for a regional hydrologic cycle and climate change. However, it is rarely investigated in China, due to the lack of a precipitable water vapor (PWV) dataset with high temporal resolution ...
Qingzhi Zhao +3 more
doaj +2 more sources
Empirical model for mean temperature for Indian zone and estimation of precipitable water vapor from ground based GPS measurements [PDF]
Annales Geophysicae, 2007 Estimation of precipitable water (PW) in the atmosphere from ground-based Global Positioning System (GPS) essentially involves modeling the zenith hydrostatic delay (ZHD) in terms of surface Pressure (Ps) and subtracting it from the corresponding ...
C. Suresh Raju +3 more
doaj +2 more sources
THE DETERMINATION OF ATMOSPHERIC WATER CONTENT FROM METEOROLOGICAL AND GPS DATA [PDF]
Геодинамика и тектонофизика, 2016 The Global Positioning System (GPS) based on satellites and the networks of dual frequency receivers are actively used for geodetic and geophysical applications, as well as for studying the ionosphere and troposphere.
O. F. Lukhneva +2 more
doaj +2 more sources
Earth and Space Science, Volume 13, Issue 8, August 2026.Abstract Real‐time water vapor monitoring is critical for meteorological applications such as weather forecasting and nowcasting. However, accurate real‐time retrieval of precipitable water vapor (PWV) from Global Navigation Satellite Systems (GNSS) remains challenging, especially for GNSS stations lacking meteorological sensors.
Wenjie Yin +10 more
wiley +2 more sources
Thirteen years of integrated precipitable water derived by GPS at Mario Zucchelli Station, Antarctica [PDF]
Annals of Geophysics, 2013 Since 1998, the Italian Antarctic Programme has been funding space geodetic activities based on the use of episodic and permanent global positioning system (GPS) observations.
Pierguido Sarti +4 more
doaj +2 more sources
Optimization of GPS water vapor tomography technique with radiosonde and COSMIC historical data [PDF]
Annales Geophysicae, 2016 The near-real-time high spatial resolution of atmospheric water vapor distribution is vital in numerical weather prediction. GPS tomography technique has been proved effectively for three-dimensional water vapor reconstruction.
S. Ye, P. Xia, C. Cai
doaj +2 more sources
A New Global ZTD Forecast Model Based on Improved LSTM Neural Network
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingZenith tropospheric delay (ZTD), consisting of zenith hydrostatic delay (ZHD) and zenith wet delay (ZWD), is a significant contributor to errors in precise positioning using the global navigation satellite system (GNSS) precise point positioning (PPP ...
Lin He +7 more
doaj +2 more sources
Improving atmospheric pressure vertical correction model using Gaussian function
Geodesy and GeodynamicsThe Zenith Hydrostatic Delay (ZHD) is essential for high-precision Global Navigation Satellite System (GNSS) and Very Long Baseline Interferometry (VLBI) data processing.
Baoshuang Zhang +8 more
doaj +2 more sources
Remote Sensing, 2018 Advanced processing of collected global navigation satellite systems (GNSS) observations allows for the estimation of zenith tropospheric delay (ZTD), which in turn can be converted to the integrated water vapour (IWV).
Zofia Baldysz +3 more
doaj +2 more sources