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Incomplete understanding of three aspects of the climate system—equilibrium climate sensitivity, rate of ocean heat uptake and historical aerosol forcing—and the physical processes underlying them lead to uncertainties in our assessment of the global-mean temperature evolution in the twenty-first century 1,2 10 , but extends towards larger warming than… (More)
The holographic storage of diffraction patterns in a three-dimensional media is described from a vector viewpoint derived from the Kirchhoff diffraction integral. The sensitivity of the reconstruction to wavelength and to the orientation of the readout beam is calculated, and experimental results are given.
In complex spatial models, as used to predict the climate response to greenhouse gas emissions, parameter variation within plausible bounds has major effects on model behavior of interest. Here, we present an unprecedentedly large ensemble of >57,000 climate model runs in which 10 parameters, initial conditions, hardware, and software used to run the model… (More)
The known techniques for making incoherent holograms succeed for an object containing a small number of points; however, they fail in practice for an object with a great many discrete points or for an object with a continuous intensity distribution. This results because the intensity pattern generated in incoherent holography in a superposition of random… (More)
The utility of holography for many applications will depend upon the quality and resolution of the images reconstructed from the hologram. In this paper some of the practical limitations encountered in the'attainment of high resolution images from holograms are investigated on a theoretical and experimental basis. The ultimate resolution of a holographic… (More)
A new optical system concept for processing data from synthetic-aperture radars is described. The optical systems are multilens, anamorphic telescopes including spherical and cylindrical lenses. The new method has as its basis two well-known properties of lenses: (a) the longitudinal magnification of an imaging system is equal to the square of the lateral… (More)
st century climate require physically-based simulation models constrained 37 to be consistent with recent observations, including a systematic estimate of uncertainty.