نتایج جستجو برای: climate features

تعداد نتایج: 688605  

2011
Karen Fisher-Vanden Ian Sue Wing Elisa Lanzi David Popp

This paper offers a critical review of modeling practice in the field of integrated assessment of climate change and ways forward. Past efforts in integrated assessment have concentrated on developing baseline trajectories of emissions and mitigation scenario analyses. A key missing component in IAMs is the representation of climate impacts and adaptation responses. Through the examination of c...

2008
Zhuang Wu Jakob Stoustrup Per Heiselberg

In this paper, a multi-zone modeling concept is proposed based on a simplified energy balance formulation to provide a better prediction of the indoor horizontal temperature variation inside the livestock building. The developed mathematical models reflect the influences from the weather, the livestock, the ventilation system and the building on the dynamic performance of indoor climate. Some s...

2009
Zhen Tian James A. Love

The energy performance of radiant slab cooling relative to conventional air systems to be clarified for climates from cold and dry to very hot and humid. EnergyPlus simulations were used to compare the energy performance of 1) radiant slab cooling combined with a dedicated outdoor air system and 2) a variable air volume system. Simulation results show that the radiant slab system provided 10% t...

2001
FRANCO BIONDI ALEXANDER GERSHUNOV DANIEL R. CAYAN

Climate in the North Pacific and North American sectors has experienced interdecadal shifts during the twentieth century. A network of recently developed tree-ring chronologies for Southern and Baja California extends the instrumental record and reveals decadal-scale variability back to 1661. The Pacific decadal oscillation (PDO) is closely matched by the dominant mode of tree-ring variability ...

2010
B. Ahrends C. Penne O. Panferov

Forests are influenced by many disturbances, especially drought, windthrow, pest attacks, air pollution, and forest management. The climate change results in increasing frequency of weather extremes which will probably cause drought stresses in European forest ecosystems. By integrating several new features within the BROOK90 model, smallscale coupled process-based modeling was carried out for ...

2011
Andrew J. Majda

This article discusses the challenges in climate science from the emerging viewpoint of stochasticstatistical properties of turbulent dynamical systems. The mathematical topics discussed here include empirical information theory, fluctuation-dissipation theorems, reduced order stochastic modelling, and the development of mathematically unambiguous exactly solvable test models for climate scienc...

Journal: :مدیریت خاک و تولید پایدار 0
شهرام منافی دانشگاه ارومیه رده بندی

in this study argillic horizons in calcareous soils of a semiarid region, with xeric and mesic soil moisture and temperature regimes, in the west of urmia lake were studied. thus, a toposequence in different physiographic positions including piedmont plains, plateau, hills and mountains was investigated. in each land type, three soil profiles were dug and described and their morphological prope...

2013
Robert M. Haberle Francois Forget Melinda A. Kahre Mikhail Kreslavsky Sandra J. Owen

This note summarizes the results from the Mars recent climate change workshop at NASA/Ames Research Center, May 15–17, 2012. Published by Elsevier Inc. 1. Background and context Climate change on Mars has been a subject of great interest to planetary scientists since the 1970s when orbiting spacecraft first discovered fluvial landforms on its ancient surfaces and layered terrains in its polar r...

Journal: :Science 2009
Z Liu B L Otto-Bliesner F He E C Brady R Tomas P U Clark A E Carlson J Lynch-Stieglitz W Curry E Brook D Erickson R Jacob J Kutzbach J Cheng

We conducted the first synchronously coupled atmosphere-ocean general circulation model simulation from the Last Glacial Maximum to the Bølling-Allerød (BA) warming. Our model reproduces several major features of the deglacial climate evolution, suggesting a good agreement in climate sensitivity between the model and observations. In particular, our model simulates the abrupt BA warming as a tr...

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