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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. .

Geophysics. --- Geotechnical engineering. --- Geographic information systems. --- Geotechnical Engineering and Applied Earth Sciences. --- Geographical Information System. --- Geographical information systems --- GIS (Information systems) --- Information storage and retrieval systems --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics --- Geography

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These proceedings contain 43 papers, which are the peer-reviewed versions of presentations made at the various International Association of Geodesy (IAG) sessions during the 26th General Assembly of the International Union of Geodesy and Geophysics (IUGG), held from 22 June to 2 July 2015 in Prague, Czech Republic. The theme of the General Assembly was “Earth and Environmental Sciences for Future Generations”. The papers were drawn from nine symposia organised by the IAG, including a union symposium, and thirteen symposia jointly organised by the IAG and other associations of the IUGG.   The IAG Symposia were structured according to the four IAG Commissions and the three GGOS Focus Areas, and included reference frames, static and time-variable gravity field, Earth rotation and geodynamics, emerging GNSS technologies and applications, height systems unification, geohazards monitoring, and sea level observation and modelling. The cross-disciplinary symposia dealt with topics such as atmospheric remote sensing, cryospheric studies, structure and deformation of plate interiors, earthquakes studies, integrated observing systems, and preservation and utilization of historical data in Geosciences.

Geodesy. Cartography --- Geophysics --- Mining industry --- Physical geography --- fotogrammetrie --- remote sensing --- mijnbouw --- fysische geografie --- geofysica

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This open access volume contains the proceedings of the X Hotine-Marussi Symposium on Mathematical Geodesy which was held from 13 to 17 June 2022 at the Politecnico di Milano, Milan, Italy. Since 2006 the series of the Hotine-Marussi Symposia has been under the responsibility of the Inter-Commission Committee on Theory (ICCT) within the International Association of Geodesy (IAG). The ICCT organized the last five Hotine-Marussi Symposia held in Wuhan (2006), Rome (2009, 2013 and 2018), and Milan (2022). The overall goal of the ICCT and Hotine-Marussi Symposia has always been to advance geodetic theory which is indeed documented by the 22 research articles published in these proceedings. The jubilee X Hotine-Marussi Symposium was organized in 10 topical sessions covering all parts of geodetic theory including reference frames, gravity field modelling, adjustment theory, height systems, time series analysis, or advanced numerical methods. In total, 60 participants attended the Symposium who delivered 62 oral and 18 poster presentations. During a special session, five invited speakers discussed two basic concepts of physical geodesy – geoid and quasigeoid.

Geophysics. --- Geotechnical engineering. --- Geographic information systems. --- Geotechnical Engineering and Applied Earth Sciences. --- Geographical Information System.

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Regardless how you interpret the statistics, the divorce rate in the United States is staggering. But, what if the government could change this? Would families be better off if new public policies made it more difficult for couples to separate? This book explores a movement that emerged over the past fifteen years, which aims to do just that. Guided by certain politicians and religious leaders who herald marriage as a solution to a range of longstanding social problems, a handful of state governments enacted "covenant marriage" laws, which require couples to choose between a conventional and a covenant marriage. While the familiar type of union requires little effort to enter and can be terminated by either party unilaterally, covenant marriage requires premarital counseling, an agreement bound by fault-based rules or lengthy waiting periods to exit, and a legal stipulation that divorce can be granted only after the couple has received counseling. Drawing on interviews with over 700 couples-half of whom have chosen covenant unions-this book not only evaluates the viability of public policy in the intimate affairs of marriage, it also explores how growing public discourse is causing men and women to rethink the meaning of marriage.

Law reform --- Marriage law --- Legal reform --- Law, Marriage --- Marriage --- Domestic relations --- Sex and law --- Husband and wife --- Law and legislation --- Prohibited degrees --- 316.356.2 <73> --- 347.62 <73> --- 316.356.2 <73> Gezinssociologie--Verenigde Staten van Amerika. VSA. USA --- Gezinssociologie--Verenigde Staten van Amerika. VSA. USA --- 347.62 <73> Huwelijksrecht. Huwelijksvoorwaarden. Huwelijksformaliteiten. Nietigheid, aanvechtbaarheid van het huwelijk. Rechten en plichten van echtgenoten--Verenigde Staten van Amerika. VSA. USA --- Huwelijksrecht. Huwelijksvoorwaarden. Huwelijksformaliteiten. Nietigheid, aanvechtbaarheid van het huwelijk. Rechten en plichten van echtgenoten--Verenigde Staten van Amerika. VSA. USA

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