منابع مشابه
Policy: Budget could send space science off in new directions at NASA.
The budget outline the White House unveiled on 28 February caps a week of startling news for NASA. On orders from the White House, NASA managers last week told Congress they intend to cancel plans for a Pluto flyby and a mission to study the solar wind. The agency is also following orders to make major cuts to the international space station after acknowledging huge cost overruns in the orbitin...
متن کاملAssimilation of Freeze–Thaw Observations into the NASA Catchment Land Surface Model
The land surface freeze-thaw (F/T) state plays a key role in the hydrological and carbon cycles and thus affects water and energy exchanges and vegetation productivity at the land surface. In this study, an F/T assimilation algorithm was developed for the NA SA G oddard E arth Observing System, version 5 (GEOS-5), modeling and assimilation framework. The algorithm includes a newly developed obs...
متن کاملWest Antarctic Ice Sheet Cloud Cover and Surface Radiation Budget from NASA A-Train Satellites
Clouds are an essential parameter of the surface energy budget influencing the West Antarctic Ice Sheet (WAIS) response to atmospheric warming and net contribution to global sea level rise. A 4-yr record of NASA A-Train cloud observations is combined with surface radiation measurements to quantify the WAIS radiation budget and constrain the three-dimensional occurrence frequency, thermodynamic ...
متن کاملProspect Theory
Prospect theory is a descriptive theory of how individuals choose among risky alternatives. The theory challenged the conventional wisdom that economic decision makers are rational expected utility maximizers. We present a number of empirical demonstrations that are inconsistent with the classical theory, expected utility, but can be explained by prospect theory. We then discuss the prospect th...
متن کاملProspect Theory
Prospect theory (Kahneman & Tversky, 1979) predictions were examined in light of ethnocentrism and intergroup conflict. An experiment conducted at the outset of the 2003 invasion of Iraq by the U.S., U. K. and their allies explored American and British participants’ preferences for certain versus uncertain gains and losses concerning Iraqi, American, and British lives. In four conditions, parti...
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ژورنال
عنوان ژورنال: Nature
سال: 1985
ISSN: 0028-0836,1476-4687
DOI: 10.1038/314488b0