make substantial progress toward answering each of the six challenges
for solid-Earth science, NASA must formulate a broadly conceived
program with both near-term goals and clear steps toward longer-term
objectives. A fully realized program contains elements that encompass
all of the following aspects:
weaving each of these essential elements into an integrated program
architecture, the long-term goals of understanding the solid Earth
and achieving predictive capabilities can be attained. NASA's
role in observations is primarily the development of satellite missions,
but such projects cannot be as effective as possible without complementary
terrestrial observations and the requisite partnerships with other
programs and agencies.
the solid Earth and moving toward predictive capabilities where
appropriate requires a broad observational strategy, incorporating
numerous methodologies (including spaceborne and ground measurements),
technological advances, and complementarity among observations.
The SESWG recommends these seven observational strategies to address
the fundamental solid-Earth questions that frame this report.
dedicated research and analysis program is a critically important
core activity, to ensure that newly acquired data are fully analyzed,
to provide the new ideas for instrument and mission development,
and to foster unexpected scientific discoveries. This effort should
include significant investments in computation and modeling for
testing theories and predictions. A number of observations needed
over the next two and a half decades require a continuing investment
in advanced technology development. This modular yet broadly interlinked
program architecture offers flexibility to change as scientific
discoveries and programmatic requirements dictate.