نتایج جستجو برای: humidity and altitude
تعداد نتایج: 16832716 فیلتر نتایج به سال:
“Earth summit mission 2022” is one of the landmark scientific research activities Second Tibetan Plateau Scientific Expedition and Research (STEP). This expedition firstly used advanced technology methods to detect vertical meteorological elements produce forecasts for mountain climbing. The Qomolangma exceeded an altitude over 8000 meters first time carried out a comprehensive investigation on...
Introduction: High altitude destinations are popular among international travelers. Travel medicine practitioners should be familiar with altitude physiology and high altitude illness recognition, prophylaxis, and management. We performed the first bibliometric analysis of high altitude medicine research. Methods: All articles published in a specialist hi...
This research was conducted to identify the dust storms in the Midwest of Iran from June 16 to 19, 2015. To investigate the synoptic conditions of the causes of this phenomenon, the ECMWF has an array of 0.125 degrees, including geopotential, omega, and sea level pressure, orbital and meridian components of the wind, specific humidity Soil moisture was applied to a depth of 10 cm. Similarly, fo...
Background and aims: The current conventional effective elements on transporting or reducing of airborne aerosols and building indoor air quality are natural ventilation systems. Natural ventilation is supplying fresh air and cooling down by replacing ambient air which is one of the effective parameter on social hygiene and health aspect through controlling airborne pathogens and their relate...
Challenging environmental conditions, including heat and humidity, cold, and altitude, pose particular risks to the health of Olympic and other high-level athletes. As a further commitment to athlete safety, the International Olympic Committee (IOC) Medical Commission convened a panel of experts to review the scientific evidence base, reach consensus, and underscore practical safety guidelines ...
A one-dimensional, physically based numerical model was constructed to describe the isotopic enrichment observed in throughfall of snow intercepted on evergreens. The process of enrichment is similar to that which results in formation of depth hoar in snowpack. On-site data were obtained at a high-altitude (3500 m) watershed in the Colorado Rocky Mountains. The model includes the ambient atmosp...
Astronomers have always sought the very best locations for their telescopes. From observatories in city centres, astronomers moved first to nearby mountain tops, then to remote sites in distant countries, to aircraft, and into space. In the past decade we have come to realise that the best astronomical observing conditions on the surface of the earth are to be found on the Antarctic plateau. Th...
Increasing the altitude causes extensive changes in the environmental conditions. Three species of Quercus brantii Lindl., Pistacia atlantica Desf. and Crataegus pontica C. Koch. are the dominant species in the forests of Ilam province. The sampling was done from Qalajeh Mountain at the altitude from 1300-2000 m a.s.l. The effect of altitude on photosynthesis, photosynthetic pigments and some b...
introduction: soil erosion by water is one of the most important processes of land degradation, especially in semi-arid areas. among different types of the soil erosion, gully erosion accounts as one of the most critical processes which can cause soil destruction, changes in landscape and water resources filling of reservoir of dams,decrease in water transport capacity of rivers and agricultura...
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