منابع مشابه
Impact of Wind Direction and Speed on Dusty Days
The direction and speed of winds play an important role in the occurrence of pollutions and dust stormas well as location placement for the establishment of industries and the expansion of cities. Yazd is a dry area of Iran, and constantly exposed to the dust particles in the air; and this in terms of human life and health issues are of special importance. In this paper a day when due to the am...
متن کاملImpact of Wind Direction and Speed on Dusty Days
The direction and speed of winds play an important role in the occurrence of pollutions and dust stormas well as location placement for the establishment of industries and the expansion of cities. Yazd is a dry area of Iran, and constantly exposed to the dust particles in the air; and this in terms of human life and health issues are of special importance. In this paper a day when due to the am...
متن کاملModelling Wind for Wind Farm Layout Optimization Using Joint Distribution of Wind Speed and Wind Direction
Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull dist...
متن کاملWind direction modelling using multiple observation points.
The prediction of wind direction is a prerequisite for the intelligent and efficient operation of wind turbines. This is a complex task, due to the intermittent behaviour of wind, its non-Gaussian and nonlinear nature, and the coupling between the wind speed and direction. To provide improved wind direction forecasting, we propose a nonlinear model with augmented information from an additional ...
متن کاملScientific Impacts of Wind Direction Errors
An assessment on the scientific impact of random errors in wind direction (< 45°) retrieved from space-based observations under weak wind (< 7 m/s) conditions was made. Half of the winds over global oceans are below 7 m/s, in their long-term averages, and these weak winds cover most of the tropical, subtropical , and coastal oceans. Introduction of these errors in the semi-daily winds causes, o...
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ژورنال
عنوان ژورنال: Nature
سال: 1891
ISSN: 0028-0836,1476-4687
DOI: 10.1038/045149d0