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Gravity interpretation involves inversion of data into models, but it is more. Gravity interpretation is used in a “holistic” sense going beyond “inversion”. Inversion is like optimization within certain a priori assumptions, i.e., all anticipated models lie in a limited domain of the a priori errors. No source should exist outside the anticipated model volume, but that is never literally true. Interpretation goes beyond by taking “outside” possibilities into account in the widest sense. Any neglected possibility carries the danger of seriously affecting the interpretation. Gravity interpretation pertains to wider questions such as the shape of the Earth, the nature of the continental and oceanic crust, isostasy, forces and stresses, geol- ical structure, nding useful resources, climate change, etc. Interpretation is often used synonymously with modelling and inversion of observations toward models. Interpretation places the inversion results into the wider geological or economic context and into the framework of science and humanity. Models play a central role in science. They are images of phenomena of the physical world, for example, scale images or metaphors, enabling the human mind to describe observations and re- tionships by abstract mathematical means. Models served orientation and survival in a complex, partly invisible physical and social environment.

Electronic books. -- local. --- Geological modeling. --- Gravity anomalies. --- Astronomy & Astrophysics --- Physics --- Physical Sciences & Mathematics --- Cosmic Physics --- Theoretical Astronomy --- Modeling, Geological --- Anomalies, Gravity --- Bouguer anomalies --- Gravity, Local disturbance of --- Isostatic anomalies --- Earth sciences. --- Geology. --- Geophysics. --- Earth Sciences. --- Geophysics/Geodesy. --- Earth Sciences, general. --- Models and modelmaking --- Gravity --- Plumb-line deflections --- Prospecting --- Geophysical methods --- Physical geography. --- Geography. --- Cosmography --- Earth sciences --- World history --- Geognosy --- Geoscience --- Natural history --- Geography --- Measurement. --- Geosciences --- Environmental sciences --- Physical sciences --- Geological physics --- Terrestrial physics

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This Special Issue reports research spanning from the analysis of indirect data, modeling, and laboratory and geological data confirming the intrinsic multidisciplinarity of gas hydrate studies. The study areas are (1) Arctic, (2) Brazil, (3) Chile, and (4) the Mediterranean region. The results furnished an important tessera of the knowledge about the relationship of a gas hydrate system with other complex natural phenomena such as climate change, slope stability and earthquakes, and human activities.

ocean acidification --- risk assessment --- modeling --- molecular composition --- ecosystem --- thermogenic gas --- Eastern Mediterranean --- temperature increase --- geohazards --- São Paulo Plateau --- geohazard --- hydrate dissociation --- climate change --- BSR --- thawing --- multidisciplinary --- clathrites --- earthquake --- modelling --- methane cycle --- permafrost --- global change --- methane --- biogenic gas --- salt migration --- subaqueous permafrost --- slope stability --- Chilean margin --- magnetic data --- mantellic source --- active margin --- Arctic shelf --- environmental impact --- Amazon fan --- methane emission --- seismic interpretation --- seep-carbonates --- Bouguer anomaly --- potential methods --- gravimetric data --- methane stability --- northern Apennines --- Santos Basin --- natural gas hydrate --- carbon dioxide --- blue growth --- gas seeps --- seepage --- Chile Triple Junction --- isotopic composition --- gas hydrates --- gas hydrate --- Miocene --- Levant Basin