نتایج جستجو برای: and prevailing winds

تعداد نتایج: 16829445  

Journal: :فصلنامه نقد کتاب علوم اجتماعی 0
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2016
Michael S. Dinniman John M. Klinck MICHAEL S. DINNIMAN JOHN M. KLINCK

It is impractical to create gridded numerical models of coastal circulation with sufficient resolution around small topographic features, such as submarine canyons, and still have the alongshore boundaries placed beyond the decay distance of coastal trapped waves. Two solutions to this problem are to make the alongshore boundaries either open or periodic. Numerical simulations were performed wi...

ژورنال: زیست شناسی دریا 2021
Mobarak Hassan, Elham ,

Dust is a natural process in the desert areas. Strong winds on the dry soil surface make the particulate matter suspended in the air near the ground. In recent years, the influence of several natural factors has led to the further spread of dust in the western and southwestern parts of Iran. A storm take placed in the Khuzestan province and the northwest of the Persian Gulf, in February 17-19, ...

Journal: :Monthly Notices of the Royal Astronomical Society 2021

ABSTRACT The recent gravity field measurements of Jupiter (Juno) and Saturn (Cassini) confirm the existence deep zonal flows reaching to a depth 5 per cent 15 respective radius. Relating wind-induced density perturbations moments has become major tool characterize interior dynamics gas giants. Previous studies differ with respect assumptions made on how wind velocity relates anomalies, function...

2001
H. R. Middleton N. J. Mitchell H. G. Muller

A meteor radar in the UK (near 52 N) has been used to measure the mean winds of the mesosphere/lowerthermosphere (MLT) region over the period 1988–2000. The seasonal course and interannual variability is characterised and comparisons are made with a number of models. Annual mean wind trends were found to be +0.37 ms−1 yr−1 for the zonal component and +0.157 ms−1 yr−1 for the meridional componen...

2008
Haibo Liu Peter Q Olsson Karl Volz

Alaska's Prince William Sound (PWS) is a unique locale tending to have strong gap winds, especially in the winter season. To characterize and understand these strong surface winds, which have great impacts on the local marine and aviation activities, the surface wind retrieval from the Synthetic Aperture Radar data (SAR-wind) is combined with a numerical mesoscale model. Helped with the SAR-win...

Journal: :Boreas 2022

Tierra del Fuego in Argentina is a unique location to examine past Holocene wind variability since it intersects the core of Southern Hemisphere Westerly Winds (SHWW). The SHWW are most powerful prevailing winds on Earth. Their variation plays role regulating atmospheric CO2 levels and rainfall amounts distribution, both today past. We obtained piston (LF06-PC8) from Bahía Grande, protected sub...

2007
JEAN-PAUL PINARD

Measurements from Whitehorse upper-air and nearby mountaintop stations were analyzed with a focus on wind energy development in the region. Fifty years of measurements indicate the region has become warmer and windier. Measurements at the upper-air station have shown increases of 2.7 ̊C for surface temperature and 1 m s for mid-valley winds over the past 50 years (1956 – 2005). The winters have ...

2007
A. I. MacFadyen

Winds blown from collapsar accretion disks may produce observable stellar explosions independent of any GRB-(and afterglow)-producing jets which may be simultaneously produced. The production of winds is controlled by the accretion disk physics, in particular, the nature of disk cooling via neutrino emission and photodisintegration of heavy nuclei. These temperature-dependent processes depend o...

1999
Daniel Proga

We compare models of line-driven winds from accretion discs and single spherical stars. We look at the problem of scaling mass-loss rates and velocities of stellar and disc winds with model parameters. We find that stellar and disc winds driven by radiation, within the CAK framework, are very similar as far as mass-loss rates and velocities are concerned. Thus we can use analytic results for st...

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