نتایج جستجو برای: prevailing wind direction maps

تعداد نتایج: 347856  

Journal: :Remote Sensing 2014
Belinda Lipa Donald E. Barrick Andres Alonso-Martirena Maria Fernandes Maria Inmaculada Ferrer Bruce Nyden

We describe radar measurements of waves, currents and winds made on the coast of northern Scotland during two 2013/14 winter storms, giving methods, results and interpretation. Wave parameters (height, period, direction and short-wave/wind direction) were derived and compared with measurements made by a neighboring buoy and local weather stations. Wind direction and current velocity maps were p...

Journal: :کواترنری ایران 0
مجتبی یمانی mojtaba yamani

in desert areas high temperature and low precipitation limit growth and development of plants. under this circumstances wind becomes the most important erosion and transportation factor in these areas. there are four great sand masses in the central part of dasht-e-kavir namely rig-e-jen, rig-e-sargardan (shotori or halvan), rig-e-kharturan, and rig-e- chah-e-jam. these great sandy masses show ...

2007
Tamara M. Wood Ralph T. Cheng

The hydrodynamic and constituent transport model UnTRIM was used to simulate hydrodynamics in Upper Klamath Lake, a shallow, hypereutrophic lake in which currents are responsive primarily to wind forcing. A simplified version of a dissolved oxygen model was used to simulate the transport of oxygen-depleted water from a deep trench on the western shoreline into important fish habitat in the nort...

One of the evidences of erosion process in the arid regions is wind erosion. Relative flatness, poverty of the vegetation, the dominant winds and alluvial weak formation are the most important intensive factors of the wind erosion. These conditions are in the central regions and the coastal plain in the south of Iran and the enormous sands massive where have been formed, scatter are the result ...

ژورنال: علوم آب و خاک 2015
خادمی, حسین , نوروزی, سمیرا ,

Spatial and temporal distribution of dust deposition rate (DDR) in Isfahan city and the influencing climatic parameters were studied. Dust samples were collected using glass trays placed on the roof of one-story buildings from 20 sites in Isfahan city for 12 months. Climatic data were obtained from Meteorological Organization and analyzed. The highest and the lowest amount of DDR in agreement w...

Journal: :Remote Sensing 2014
Shengan Zhan Richard A. Beck Kenneth M. Hinkel Hongxing Liu Benjamin M. Jones

The formation of oriented thermokarst lakes on the Arctic Coastal Plain of northern Alaska has been the subject of debate for more than half a century. The striking elongation of the lakes perpendicular to the prevailing wind direction has led to the development of a preferred wind-generated gyre hypothesis, while other hypotheses include a combination of sun angle, topographic aspect, and/or a...

Journal: :international journal of advanced biological and biomedical research 2014
a.r. dehghanpour a.h. halabian m. fallahpour

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...

Dust storms and high winds is a natural process that occurs in everywhere of arid and semi-arid land in the world. The phenomenon of dust is one of the most important consequences of the desertification that cause different damages. The aim of this study was to analyze the occurrence of dust in the city of Bandar Abbas. First, the frequency of monthly and annual dust from 1985-2005, in the city...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

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