Analysis and Inter-Calibration of Wet Path Delay Datasets to Compute the Wet Tropospheric Correction for CryoSat-2 over Ocean [PDF]
, 2013 Unlike most altimetric missions, CryoSat-2 is not equipped with an onboard microwave radiometer (MWR) to provide wet tropospheric correction (WTC) to radar altimeter measurements, thus, relying on a model-based one provided by the European Center for ...
Alexandra L Nunes +2 more
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Tropospheric Correction for INSAR using Machine Learning [PDF]
, 2023 Interferometric Synthetic Aperture Radar (InSAR) is a popular technique for studying Earth\u27s surface deformation caused by phenomena like earthquakes and subsidence.
Yue, Ngo Hi Kenny
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GNSS troposphere tomography based on two-step reconstructions using GPS observations and COSMIC profiles [PDF]
, 2013 Traditionally, balloon-based radiosonde soundings are used to study the spatial distribution of atmospheric water vapour. However, this approach cannot be frequently employed due to its high cost. In contrast, GPS tomography technique can obtain water
C. Cai, P. Xia, P. Xia, Z. Liu
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Comparison of advanced troposphere models for aiding reduction of PPP convergence time in Australia [PDF]
, 2019 This paper first analyses the precision of tropospheric zenith total delay (ZTD) values obtained from the empirical models GPT2 and GPT2w, and the numerical weather models (NWM) from Australian Bureau of Meteorology (BoM), and European Centre for Medium ...
Deo, M., El-Mowafy, Ahmed
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A Selective State-Space-Model Based Model for Global Zenith Tropospheric Delay Prediction
Remote SensingThe Zenith Tropospheric Delay (ZTD) is a significant atmospheric error affecting the accuracy of the Global Navigation Satellite System (GNSS). Accurate estimation of the ZTD is essential for enhancing GNSS positioning precision and plays a critical role
Cong Yang +7 more
doaj +1 more source
Development of a High-Resolution Tropospheric Delay Model Integrating GNSS ZTD and ERA5 Reanalysis
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingTropospheric delay is a key metric in weather monitoring and represents one of the primary error sources in precise positioning. Advances in Global Navigation Satellite System (GNSS) and numerical weather models (NWM) present significant potential for ...
Cuixian Lu +4 more
doaj +1 more source
Mesoscale GPS Zenith Delay assimilation during a Mediterranean heavy precipitation event [PDF]
Advances in Geosciences, 2008 The impact of assimilating Zenith Total delay (ZTD) observations from a mesoscale ground-based GPS network over Western Europe is evaluated for the heavy precipitation event of 5–9 September 2005 over Southern France.
X. Yan +4 more
doaj
The Tropospheric Products of the International VLBI Service for Geodesy and Astrometry [PDF]
The IVS runs two tropospheric products: The IVS tropospheric parameter rapid combination monitors the zenith wet delay (ZWD) and zenith total delay (ZTD) of the rapid turnaround sessions R1 and R4.
Heinkelmann, Robert, Schwatke, Christian
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Modeling and Modification of Global Positioning System Tropospheric Delay Mapping Function [PDF]
, 2008 The accuracy of Global Positioning System (GPS) measurement is determined by the sum of several sources of error, such as orbit error, satellite clock error, multipath error, receiver noise error, selective availability, ephemeris error and also ...
Sakidin, Hamzah
core
IEEE Journal of Selected Topics in Applied Earth Observations and Remote SensingTropospheric delay plays a crucial role in global navigation satellite systems (GNSS) positioning, climate monitoring, and weather forecasting. In particular, in high-precision GNSS applications such as precise point positioning (PPP), prior tropospheric
Ranran Jia +5 more
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