نتایج جستجو برای: slope winds with zero latent heat flux assumption

تعداد نتایج: 9409340  

2007
L. Yu D. Nof

Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Papers published in Ocean Science Discussions are under open-access review for the journal Ocean Science Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion EGU Abstract Radiation is of fundamental importance to clim...

2012
M. J. Filipiak C. J. Merchant H. Kettle P. Le Borgne

A statistical model is derived relating the diurnal variation of sea surface temperature (SST) to the net surface heat flux and surface wind speed from a numerical weather prediction (NWP) model. The model is derived using fluxes and winds from the European Centre for Medium-Range Weather Forecasting (ECMWF) NWP model and SSTs from the Spinning Enhanced Visible and Infrared Imager (SEVIRI). In ...

Journal: :Environmental research communications 2021

Abstract This study evaluates changes in simulated Pacific climate between two ECMWF re-analyses; the ERA Interim (ERAI) and newest ERA5. Changes Integrated Forecasting System (IFS) possibly sea surface temperature result greatly reduced discrepancies ERA5’s ice water path (IWP), radiative fluxes precipitation relative to satellite-based observational products. IWP shows largest percentage chan...

2004
M. G. HADFIELD

This paper extends previous large-eddy simulations of the convective boundary layer over a surface with a spatially varying sensible heat flux. The heat flux variations are sinusoidal and onedimensional. The wavelength is 1500 or 4500 m (corresponding to 1.3 and 3.8 times the boundarylayer depth. respectively) and the wind speed is 0. 1 or 2 m sI. In every case the heat flux variation drives a ...

2010
E. L. Shroyer J. N. Moum J. D. Nash

[1] Comprehensive observations of velocity, density, and turbulent dissipation permit quantification of the nonlinear internal wave (NLIW) contribution to vertical heat flux and lateral mass transport over New Jersey’s shelf. The effect of NLIWs on the shelf heat budget was significant. On average, heat flux in NLIWs was 10 times larger than background at the pycnocline depth. NLIWs were presen...

2003
ANDREAS STERL

The homogeneity of the ECMWF 40-yr Re-Analysis (ERA-40) is assessed. This is done by comparing ERA40 data with results from the NCEP–NCAR reanalysis and also by investigating a known relationship between a modeled (latent heat flux) and an external (SST) quantity. The direct comparison between the two reanalyses reveals a lot of inhomogeneities. They occur mainly in the Southern Hemisphere and ...

Journal: :نشریه دانشکده فنی 0
فرشاد کوثری دانشگاه تهران سیدمرتضی عظیمی دانشگاه تهران

in this paper the optimal control of boundary heat flux in a 2-d solid body with an arbitrary shape is performed in order to achieve the desired temperature distribution at a given time interval. the boundary of the body is subdivided into a number of components. on each component a time-dependent heat flux is applied which is independent of the others. since the thermophysical properties are t...

In this paper, a three-dimensional finite element model has been developed to simulate the laser-TIG hybrid welding (HLAW) of stainless steel 1.4418 with thickness of 4 mm. Transient temperature profile and dimensions of the fusion zone and heat affected zone (HAZ) during welding process are calculatedusing finite element method (FEM) and were solved in the ABAQUS/Standard software.The heat sou...

Journal: :Climate Dynamics 2021

Abstract Surface latent heat flux (LHF) is an important component in the exchange between ocean and atmosphere over tropical western North Pacific (WNP). The present study investigates factors of seasonal mean LHF variations boreal summer WNP. Seasonal separated into two parts that are associated with low-frequency (> 90-day) high-frequency (≤ atmospheric variability, respectively. It shown ...

2006
A. L. M. GRANT P. HIGNETT

The TOGA-COARE (Tropical OceadGlobal Atmosphere Coupled Ocean-Atmosphere Response Experiment) was an international observational campaign designed to study the processes that occur in the Pacific warm pool region. Data from the Meteorological Research Flight C130 aircraft are presented to illustrate some of the characteristics of the surface energy balance in this region. The dominant terms in ...

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