نتایج جستجو برای: introduction dust storms

تعداد نتایج: 424222  

Journal: :Int. J. Digital Earth 2013
Qunying Huang Chaowei Phil Yang Karl Benedict Songqing Chen Abdelmounaam Rezgui Jibo Xie

The simulations and potential forecasting of dust storms are of significant interest to public health and environment sciences. Dust storms have interannual variabilities and are typical disruptive events. The computing platform for a dust storm forecasting operational system should support a disruptive fashion by scaling up to enable high-resolution forecasting and massive public access when d...

2016
Bing Pu Paul Ginoux

The increasing trend of aerosol optical depth in the Middle East and a recent severe dust storm in Syria have raised questions as to whether dust storms will increase and promoted investigations on the dust activities driven by the natural climate variability underlying the ongoing human perturbations such as the Syrian civil war. This study examined the influences of the Pacific Decadal Oscill...

2013
Hyewon Lee Ho Kim Yasushi Honda Youn-Hee Lim Seungmuk Yi

We explore the effect of Asian dust storms (ADS) on daily mortality in

ژورنال: علوم آب و خاک 2015
جعفری, رضا, سلطانی, سعید, مهرابی, شهباز,

Since climate has a major impact on dust generation, it is essential to identify the climatic parameters affecting this phenomenon. In this study, climatic parameters including temperature, relative humidity, rainfall, maximum wind speed and direction were selected and their relationship with visibility data and also dust storm days (recorded at meteorological stations) was analyzed on monthly ...

2016
Manzhu Yu Chaowei Yang

Dust storms are devastating natural disasters that cost billions of dollars and many human lives every year. Using the Non-Hydrostatic Mesoscale Dust Model (NMM-dust), this research studies how different spatiotemporal resolutions of two input parameters (soil moisture and greenness vegetation fraction) impact the sensitivity and accuracy of a dust model. Experiments are conducted by simulating...

Dust particles are important atmospheric aerosol compounds. The particles are resulting performance of strong winds at the soil surface desert areas. Sources of dust are 2 types: 1- Natural Resources 2- Human Resources. Iran is located in the desert belt which this problem cause increased the frequency of dust storms, especially in South East (Sistan) and South West. China Meteorological Admini...

2003
Huiqun Wang Mark I. Richardson R. John Wilson Andrew P. Ingersoll Anthony D. Toigo Richard W. Zurek

[1] We investigate the triggering mechanism of a crossequatorial dust storm observed by Mars Global Surveyor in 1999. This storm, which had a significant impact on global mean temperatures, was seen in visible and infrared data to commence with the transport of linear dust fronts from the northern high latitudes into the southern tropics. However, other similar transport events observed in nort...

2008
R. T. Clancy M. J. Wolff B. A. Whitney B. A. Cantor

Introduction: Dust aerosols are observed to extend to high altitudes during planetary-scale dust storms [1-4]. Most recent GCM modeling of vertically extensive dust loading over the course of such storms indicates that dust particles with radii of 1-2 µm may be lifted to altitudes above 40 km, and their vertical distributions strongly affected by vigorous meridional transport which is intensifi...

2009
David P. Hinson Huiqun Wang

Please cite this article in press as: Hinson, D.P., W Mars. Icarus (2009), doi:10.1016/j.icarus.2009.0 We have investigated the near-surface meteorology in the northern hemisphere of Mars through detailed analysis of data obtained with Mars Global Surveyor in January–August 2005. The season in the northern hemisphere ranged from midsummer through winter solstice of Mars Year (MY) 27. We examine...

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