Gnss And Insar Based Water Vapor Tomography A Compressive Sensing Solution

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Gnss And Insar Based Water Vapor Tomography A Compressive Sensing Solution

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Author : Marion Elsa Amelie Heublein
language : en
Publisher:
Release Date : 2019

Gnss And Insar Based Water Vapor Tomography A Compressive Sensing Solution written by Marion Elsa Amelie Heublein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

Geodesy For A Sustainable Earth

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Author : Jeffrey T. Freymueller
language : en
Publisher: Springer Nature
Release Date : 2023-07-20

Geodesy For A Sustainable Earth written by Jeffrey T. Freymueller and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-20 with Science categories.

This open access volume contains selected papers of the 2021 Scientific Assembly of the International Association of Geodesy – IAG2021. The Assembly was hosted by the Chinese Society for Geodesy, Photogrammetry and Cartography (CSGPC) in Beijing, China from June 28 to July 2, 2021. It was a hybrid conference with in-person and online attendants. In total, the Assembly was attended by 146 in-person participants and 1,123 online participants. The theme of the Assembly was Geodesy for a Sustainable Earth. 613 contributions (255 oral presentations and 358 poster presentations) covered all topics of the broad spectrum considered by the IAG: geodetic reference frames, Earth gravity field modelling, Earth rotation and geodynamics, positioning and applications, the Global Geodetic Observing System (GGOS), geodesy for climate research, marine geodesy, and novel sensors and quantum technology for geodesy. All published papers were peer-reviewed, and we warmly recognize the contributions and support of the Associate Editors and Reviewers.

China Satellite Navigation Conference Csnc 2020 Proceedings Volume I

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Author : Jiadong Sun
language : en
Publisher: Springer Nature
Release Date : 2020-06-06

China Satellite Navigation Conference Csnc 2020 Proceedings Volume I written by Jiadong Sun and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-06 with Technology & Engineering categories.

China Satellite Navigation Conference (CSNC 2020) Proceedings presents selected research papers from CSNC 2020 held during 22nd-25th November in Chengdu, China. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou System (BDS) especially. They are divided into 13 topics to match the corresponding sessions in CSNC2020, which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.

Gnss Monitoring Of The Terrestrial Environment

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Author : Yosuke Aoki
language : en
Publisher: Elsevier
Release Date : 2024-07-31

Gnss Monitoring Of The Terrestrial Environment written by Yosuke Aoki and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-31 with Technology & Engineering categories.

GNSS Monitoring of the Terrestrial Environment: Earthquakes, Volcanoes, and Climate Change presents the application of GNSS technologies to natural hazards on Earth. The book details the background theory of the GNSS techniques discussed and takes the reader through applications and implementation. Tables comparing GNSS with other geodetic techniques, such as SAR, VLBI, SLR, and conventional geodetic methods such as strainmeters, tiltmeters, and leveling surveys are also included. The book concludes with a chapter bridging both parts, discussing the relationship between earthquakes, volcanism, and climate change.The book is aimed at academics, researchers, and advanced students working in the fields of remote sensing technologies or natural hazards. It is divided into two parts, with the first covering the monitoring of earthquakes, volcanoes, and applications of GNSS signals to better understand earthquakes and volcanism, while the second part covers monitoring climate change with GNSS. - Provides a detailed focus on the utility of GNSS technologies for dealing with natural hazards - Details theory and applications of GNSS to natural hazards, allowing readers to develop a thorough understanding on the theoretical background as well as practical applications - Covers the latest developments in the field, along with future perspectives as GNSS technologies are expected to evolve

Towards A Rigorous Fusion Of Gnss And Insar Observations For The Purpose Of Water Vapor Retrieval

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Author : MarionAlshawaf FadwaMayer Mi Heublein
language : en
Publisher:
Release Date : 2020-10-09

Towards A Rigorous Fusion Of Gnss And Insar Observations For The Purpose Of Water Vapor Retrieval written by MarionAlshawaf FadwaMayer Mi Heublein and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Technology & Engineering categories.

In the framework of the rigorous fusion of GNSS and InSAR observations, the presented work carries out at a straightforward comparison of the wet delay, caused by water vapor, derived from GNSS and InSAR. The contributions of the two sensors to the wet delay are compared in the line of sight towards the SAR satellite. Comparisons of GNSS observations with the satellite-directed InSAR data show that only a partial component of the wet delay remains after the interferogram formation. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

Water Vapor Tomography Using Global Navigation Satellite Systems

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Author : Donat Perler
language : de
Publisher:
Release Date : 2012

Water Vapor Tomography Using Global Navigation Satellite Systems written by Donat Perler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Global Positioning System categories.

Constructing Water Vapor Maps By Fusing Insar Gnss And Wrf Data

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Author : Fadwa Alshawaf
language : en
Publisher:
Release Date : 2013

Constructing Water Vapor Maps By Fusing Insar Gnss And Wrf Data written by Fadwa Alshawaf and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

Real Time Sensing Of Atmospheric Water Vapor From Multi Gnss Constellations

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Author : Cuixian Lu
language : en
Publisher:
Release Date : 2016

Real Time Sensing Of Atmospheric Water Vapor From Multi Gnss Constellations written by Cuixian Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Remote Sensing Of Atmospheric Water Vapor Field With Tomography Using Multi Sensor Data

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Author : Biyan Chen
language : en
Publisher:
Release Date : 2017

Remote Sensing Of Atmospheric Water Vapor Field With Tomography Using Multi Sensor Data written by Biyan Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Atmosphere categories.

To assess the quality of water vapor data from various observation systems, an intercomparison study was conducted for water vapor data derived from GPS, radiosonde, water vapor radiometer (WVR), non-hydrostatic model (NHM), and European Center for Medium-Range Weather Forecasts (ECMWF). For ZWD comparison with radiosonde data, ECMWF achieves the highest accuracy of 17.73 mm (~2.87 mm in precipitable water vapor (PWV)). GPS, WVR, and NHM have RMS errors of 18.06 mm (~2.93 mm in PWV), 18.15 mm (~2.94 mm in PWV), and 29.53 mm (~4.78 mm in PWV), respectively. Slant wet delays (SWD) estimated by GPS were assessed by SWDs derived from ECMWF, an overall accuracy of 36.44 mm (~5.90 mm in slant PWV) is yielded. Water vapor tomographic experiments were carried out using multiple data from GPS, radiosonde, WVR, NHM, sunphototmeter, and synoptic observations in Hong Kong. Experimental results have revealed that the best vertical constraint scheme is using average radiosonde profiles observed during the three days prior to the tomographic epoch. In the evaluation by radiosonde observations, the multi-sensor tomographic wet refractivity fields achieved an overall accuracy of 7.13 mm/km. In the vertical direction, RMS errors generally decrease with altitude from 11.44 mm/km at the lowest layer (0 to 0.4 km) to 3.30 mm/km at the uppermost layer (7.5 to 8.5 km). The tomographic results obtain RMS errors in the range of 6~9 mm/km at the horizontal grids when compared with ECMWF data. An important goal of water vapor tomography is to benefit the extreme weather prediction and thus to mitigate ensuing hazards. Due to the transfer of energy in the atmospheric processes, atmospheric water vapor has a strong influence on formation and lifecycle of severe weathers. Three heavy precipitation events that occurred in Hong Kong were investigated to examine the potential of water vapor tomography in extreme weather prediction. Several positive findings demonstrated the ability of tomography in forecasting heavy rains as it can detect atmospheric instability before the events.