منابع مشابه
Recent variability and trends of Antarctic near-surface temperature
[1] A new monthly 1 1 Antarctic near-surface temperature reconstruction for 1960– 2005 is presented. The use of numerical model fields to establish spatial relationships between fifteen continuous observational temperature records and the voids to which they are interpolated inherently accounts for the effects of the atmospheric circulation and topography on temperature variability. Employing a...
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Polar MM5, a mesoscale atmospheric model optimized for use over polar ice sheets, is employed to simulate Antarctic accumulation in recent decades. Two sets of simulations, each with different initial and boundary conditions, are evaluated for the 17yr period spanning 1985-2001. The initial and boundary conditions for the two sets of runs are provided by the (i) European Centre for Medium-Range...
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This paper selectively reviews some recent themes in archaeological theory: a philosophical pragmatism, a turn to materiality, and understanding the past in the context of the present. It concludes with some reflective comments on the author’s Archaeological Theory: An Introduction, in advance of the third revised edition.
متن کاملRecent Trends in Bias Temperature Instability
The paradigm shifts occurring in the past few years in our understanding of BTI are reviewed. Among the most significant ones is the shift from perceiving NBTI in terms of the Reaction-Diffusion model to analyzing BTI with the tools originally developed for describing low-frequency noise. This includes the interpretation of the time, temperature, voltage, and duty cycle dependences of BTI. It i...
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Context. Pulmonary hypertension is a common clinical problem encountered in day-to-day practice. Drug therapy forms the backbone of management and appropriate drug selection is based upon the underlying causes. The options available are widening with availability of newer therapeutic agents and thus it becomes necessary to be updated with the recent developments. Objective. To review the existi...
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ژورنال
عنوان ژورنال: Nature
سال: 2002
ISSN: 0028-0836,1476-4687
DOI: 10.1038/418292a