Results 41 to 50 of about 221,487 (235)
Kinematic Zenith Tropospheric Delay Estimation with GNSS PPP in Mountainous Areas
Sensors, 2021 The use of global navigation satellite systems (GNSS) precise point positioning (PPP) to estimate zenith tropospheric delay (ZTD) profiles in kinematic vehicular mode in mountainous areas is investigated.
Paul Gratton +3 more
doaj +1 more source
Characterization of site-specific GPS errors using a short-baseline network of braced monuments at Yucca Mountain, southern Nevada [PDF]
, 2009 We use a short-baseline network of braced monuments to investigate site-specific GPS effects. The network has baseline lengths of ∼10, 100, and 1000 m. Baseline time series have root mean square (RMS) residuals, about a model for the seasonal cycle, of 0.
Davis, James L. +5 more
core +2 more sources
, 2023 The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Zus, Florian +4 more
openaire +3 more sources
GNSS-based zenith total delays observed during the MOSAiC Campaign 2019-2020
, 2021 During the transpolar drifting campaign MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate) of RV Polarstern (AWI, 2017), GNSS was used among other techniques to monitor variations in atmospheric water vapor. This dataset comprises the estimated antenna position for each hour, the derived zenith total delays including their ...
Männel, B., Zus, F.
openaire +3 more sources
Regional Tropospheric Correction Model from GNSS–Saastamoinen–GPT2w Data for Zhejiang Province
Atmosphere, 2023 Tropospheric delay models based on GNSS observations are essential for studying tropospheric changes. However, the uneven distribution of GNSS stations reduces the accuracy of GNSS tropospheric delay models in remote areas.
Chaoqian Xu +6 more
doaj +1 more source
, 2020 Sentinel-1 mission with its wide spatial coverage (250 km), short revisit time (6 days), and rapid data dissemination opened new perspectives for large-scale interferometric synthetic aperture radar (InSAR) analysis.
R. Shamshiri +4 more
semanticscholar +1 more source
Estimating integrated water vapor trends from VLBI, GPS,and numerical weather models: sensitivity totropospheric parameterization [PDF]
, 2018 ©2018. American Geophysical UnionIn this study, we estimate integrated water vapor (IWV) trends from very long baseline interferometry (VLBI) and global navigation satellite systems (GNSS) data analysis, as well as from numerical weather models (NWMs ...
Balidakis, Kyriakos +6 more
core +1 more source
International Association of Geodesy Symposia, 2020 Zenith Total Delay (ZTD) from ground-based Global Navigational Satellite Systems (GNSS) observations plays an important role in meteorology. It contains information about the troposphere due to the interactions that GNSS signals have with the atmosphere ...
A. O. Mayaki +2 more
semanticscholar +1 more source
Estimation of Precipitable Water Vapor Using the GPS [PDF]
Journal of Astronomy and Space Sciences, 1999 The radio waves transmitted from GPS satellites is delayed by the troposphere as they propagate to Earth-based GPS receivers. The troposphere delay is usually divided into two parts, the dry delay due to the atmospheric gases and the wet delay due to the
Yong-Jin Moon +2 more
doaj
Remote Sensing, 2020 Continuous estimates of the vertical integrated precipitable water vapor content from the tropospheric delay of the signal received by the antennas of the global positioning system (GPS) are used in this paper, in conjunction with the measurements of the
Leo Pio D’Adderio +4 more
doaj +1 more source