نتایج جستجو برای: climate model
تعداد نتایج: 2237997 فیلتر نتایج به سال:
New lessons on the Sudd hydrology learned from remote sensing and climate modeling Y. A. Mohamed, H. H. G. Savenije, W. G. M. Bastiaanssen, and B. J. J. M. van den Hurk UNESCO-IHE, P.O. Box 3015, 2601 DA Delft, The Netherlands Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands ITC (currently with WaterWatch), Generaal Foulkesweg 28, 6703 BS Wageningen, The Netherlands K...
There is a clear positive correlation between boreal summer tropical Atlantic sea-surface temperature and annual hurricane numbers. This motivates the idea of trying to predict the sea-surface temperature in order to be able to predict future hurricane activity. In previous work we have used simple statistical methods to make 5 year predictions of tropical Atlantic sea surface temperatures for ...
This study describes integration of an articulatory factor into the exemplar-based Context Sequence Model of speech production, CSM [10], which builds on the concept of a speech perceptionproduction loop. It has been demonstrated that selection of new exemplars for speech production is based on about 0.5 s of preceding acoustic context and following linguistic match of the exemplars. This inves...
[1] Climate forcing and climate sensitivity are two key factors in understanding Earth’s climate. There is considerable interest in decreasing our uncertainty in climate sensitivity. This study explores the role of these two factors in climate simulations of the 20th century. It is found that the total anthropogenic forcing for a wide range of climate models differs by a factor of two and that ...
A parameterisation for the activation of cloud drops including the effects of semi-volatile organics
We present a parameterisation of aerosol activation, including co-condensation of semi-volatile organics, for warm clouds that has applications in large-scale numerical models. The scheme is based on previously developed parameterisations that are in the literature, but has two main modifications. The first is that the total aerosol mass is modified by the condensation of organic vapours enteri...
[1] Since 1950, the warmest and coldest days and nights of the year have become warmer. Comparing these observations with climate model simulations in an optimal detection analysis shows a significant human influence on patterns of change in extremely warm nights. Human influence on cold nights and days is also detected, although less robustly, but there is no detection of a significant human i...
Herein I discuss and propose updated satellite composites of the total solar irradiance covering the period 1978-2008. The composites are compiled from measurements made with the three ACRIM experiments. Measurements from the NIMBUS7/ERB and the ERBS/ERBE satellite experiments are used to fill the gap from June 1989 to October 1991 between ACRIM1 and ACRIM2 experiments. The climate implications...
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