نتایج جستجو برای: wind shift

تعداد نتایج: 218934  

2013
Christoph Völker Peter Köhler

We explore the impact of a latitudinal shift in the westerly wind belt over the Southern Ocean on the Atlantic meridional overturning circulation (AMOC) and on the carbon cycle for Last Glacial Maximum background conditions using a state-of-the-art ocean general circulation model. We find that a southward (northward) shift in the westerly winds leads to an intensification (weakening) of no more...

2009
GANG HUANG KAIMING HU SHANG-PING XIE

The correlation of northwest (NW) Pacific climate anomalies during summer with El Niño–Southern Oscillation (ENSO) in the preceding winter strengthens in the mid-1970s and remains high. This study investigates the hypothesis that the tropical Indian Ocean (TIO) response to ENSO is key to this interdecadal change, using a 21-member ensemble simulation with the Community Atmosphere Model, version...

Journal: :International journal of environmental research and public health 2015
Yu-Cheng Chen Chin-Kai Hsu Chia C Wang Perng-Jy Tsai Chun-Yuan Wang Mei-Ru Chen Ming-Yeng Lin

People living or working near roadways have experienced an increase in cardiovascular or respiratory diseases due to vehicle emissions. Very few studies have focused on the PM exposure of highway police officers, particularly for the number concentration and size distribution of ultrafine particles (UFP). This study evaluated exposure concentrations of particulate matter (PM) in the Sinying pol...

Journal: :Wind Energy 2023

This article presents a Bayesian data-modelling approach to assessing operational efficiency at offshore wind farms. Input data are provided by an database large farm which employs advanced management system. We explore the combination of datasets making up database, using them train hierarchical model predicts weekly lost production from corrective maintenance and time-based availability. The ...

2015
J. K. Lundquist M. J. Churchfield S. Lee

Wind-profiling lidars are now regularly used in boundary-layer meteorology and in applications such as wind energy and air quality. Lidar wind profilers exploit the Doppler shift of laser light backscattered from particulates carried by the wind to measure a line-of-sight (LOS) velocity. The Doppler beam swinging (DBS) technique, used by many commercial systems, considers measurements of this L...

2012
YANG ZHANG XIU-QUN YANG YU NIE GANG CHEN

Eddy–zonal flow interactions in the annular modes are investigated in this study using a modified beta-plane multilayer quasigeostrophic (QG) channel model. This study shows the different response of highand lowphase-speed (frequency) eddies to the zonal wind anomalies and suggests a baroclinic mechanism through which the two eddies work symbiotically maintaining the positive eddy feedback in t...

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