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RESEARCH AND ANALYSIS

 

 

Geodynamo modelsData analysis is an essential part of every NASA space mission. Not only are NASA data of greatest benefit when integrated with quantitative models, but the research leads to new ideas for how Earth processes operate, new ways of making measurements from space, and new concepts for missions. The solid-Earth system is inherently complex, and understanding it requires significant effort in the analysis of data and their comparison with models. Simulations must be carried out concurrently with data analysis so that the entire system can be studied and understood. Observational data can also be assimilated into computational models providing constraints on and verification of hypotheses.

A few examples of critical research and analysis programs for solid-Earth science at NASA include the following:

  • Models of crustal deformation that incorporate InSAR and GPS measurements of surface deformation. The models for plate boundary zones should include the pre-, co-, and postseismic phases of the seismic cycle. Models must be developed for the many other sources of surface deformation including those associated with volcanic eruptions, water withdrawal, and loading and unloading by water and ice.
  • Models of landform evolution that account for time-dependent topography. The models should include the tectonic growth of topography as well as erosional processes.
  • Models of time-dependent surface gravity. The models should account for tectonic, hydrological, surface loading and unloading, and mantle dynamical effects.
  • Models of the Earth's magnetic field that account for observations.
 
   
Integrated Program for Solid Earth Science: Research & Analysis, Observational Strategies, Education, Information Systems, Technology Development, Supporting Frameworks  
   
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