Zobrazeno 1 - 10
of 449
pro vyhledávání: '"J. Wickert"'
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 3599-3616 (2024)
In this study, we have incorporated tropospheric gradient observations from a Global Navigation Satellite Systems (GNSS) ground station network into the Weather Research and Forecasting (WRF) model through a newly developed observation operator. The
Externí odkaz:
https://doaj.org/article/51d2ec7bcf6e4db7bd096e6089cd7da4
Publikováno v:
The Cryosphere, Vol 17, Pp 4903-4916 (2023)
Reliable in situ surface mass balance (SMB) estimates in polar regions are scarce due to limited spatial and temporal data availability. This study aims at deriving automated and continuous specific SMB time series for fast-moving parts of ice sheets
Externí odkaz:
https://doaj.org/article/b00f0936b43c40e8a8d87d2639458a31
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 21-39 (2022)
The assimilation of global navigation satellite system (GNSS) data has been proven to have a positive impact on weather forecasts. However, the impact is limited due to the fact that solely the zenith total delays (ZTDs) or integrated water vapor (IW
Externí odkaz:
https://doaj.org/article/0dedbb2943df45438165b69f46b9c898
Autor:
B. Männel, F. Zus, G. Dick, S. Glaser, M. Semmling, K. Balidakis, J. Wickert, M. Maturilli, S. Dahlke, H. Schuh
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 5127-5138 (2021)
Within the transpolar drifting expedition MOSAiC (Multidisciplinary drifting Observatory for the Study of Arctic Climate), the Global Navigation Satellite System (GNSS) was used among other techniques to monitor variations in atmospheric water vapor.
Externí odkaz:
https://doaj.org/article/13fd892519d144aa82d6c829f1434a6c
Autor:
Sibylle Vey, D. Al-Halbouni, M. Haghshenas Haghighi, F. Alshawaf, J. Vüllers, A. Güntner, G. Dick, M. Ramatschi, P. Teatini, J. Wickert, M. Weber
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract Many studies show the sensitivity of our environment to manmade changes, especially the anthropogenic impact on atmospheric and hydrological processes. The effect on Solid Earth processes such as subsidence is less straightforward. Subsidenc
Externí odkaz:
https://doaj.org/article/c5d1092c42e546f2acb48d8c306fe0f2
Autor:
A. K. Steiner, F. Ladstädter, C. O. Ao, H. Gleisner, S.-P. Ho, D. Hunt, T. Schmidt, U. Foelsche, G. Kirchengast, Y.-H. Kuo, K. B. Lauritsen, A. J. Mannucci, J. K. Nielsen, W. Schreiner, M. Schwärz, S. Sokolovskiy, S. Syndergaard, J. Wickert
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 2547-2575 (2020)
Atmospheric climate monitoring requires observations of high quality that conform to the criteria of the Global Climate Observing System (GCOS). Radio occultation (RO) data based on Global Positioning System (GPS) signals are available since 2001 fro
Externí odkaz:
https://doaj.org/article/a0fe820e344348abb38382f80113b80c
Publikováno v:
Annales Geophysicae, Vol 38, Pp 611-623 (2020)
The Global Positioning System – Radio Occultation (GPS-RO) observations from FormoSat-3 ∕ COSMIC are used to comprehend the global distribution of equatorial plasma bubbles which are characterized by depletion regions of plasma in the F regio
Externí odkaz:
https://doaj.org/article/69c455e7c71e4ff3b7570913aaa32113
Publikováno v:
Annales Geophysicae, Vol 37, Pp 429-446 (2019)
An analysis of processing settings impacts on estimated tropospheric gradients is presented. The study is based on the benchmark data set collected within the COST GNSS4SWEC action with observations from 430 Global Navigation Satellite Systems (GNSS)
Externí odkaz:
https://doaj.org/article/0d7bc518a0e14b4c98a1d9f9f5d65ed3
Publikováno v:
Atmospheric Measurement Techniques, Vol 10, Pp 3117-3132 (2017)
Ground-based GNSS (Global Navigation Satellite System) has efficiently been used since the 1990s as a meteorological observing system. Recently scientists have used GNSS time series of precipitable water vapor (PWV) for climate research. In this w
Externí odkaz:
https://doaj.org/article/eb4202229be84cdaa4dfce12d82cf186
Publikováno v:
Atmospheric Measurement Techniques, Vol 9, Iss 12, Pp 5965-5973 (2016)
The recent dramatic development of multi-GNSS (Global Navigation Satellite System) constellations brings great opportunities and potential for more enhanced precise positioning, navigation, timing, and other applications. Significant improvement on p
Externí odkaz:
https://doaj.org/article/099a1095ad244aee99ccbebc170662e4