نتایج جستجو برای: erosion hazard index
تعداد نتایج: 482333 فیلتر نتایج به سال:
Background: Fire and explosion hazards are extremely important in processing units. This study was performed to identify the risk centers, the potential damage caused by fire and explosion, and the days of production cessation in the processing company. Materials and Methods: The present qualitative case study was conducted using Dow’s index in 2015. The fire and explosion hazard index...
estimate potential sediment yield in shadegan catchment with using of irifer and hierarchical models
soil erosion is a major problem for developing countries with arid and semi-arid climate. these of erosion is possible than two ways of water and wind. in this paper, with using of two methods irifer and hierarchical models, the rate and intensity of of soil erosion is estimated shadegan catchment. for this purpose, by using various maps alike dem, rainfall, land use index, ndvi, geology estima...
Abstract Hydroelectricity is critical for decarbonizing global energy production, but hydropower plants affect rivers, disrupt their continuity, and threaten migrating fishes. This puts hydroelectricity production in conflict with efforts to protect threatened species re-connect fragmented ecosystems. Assessing the impact of on fishes will support informed decision-making during planning, commi...
Drought is a one of the most important natural disasters that have high socio-economic and environmental impacts. However, drought is more than a physical phenomenon or natural event. Its impact results from the relation between a natural event and demands on the water supply, and it is often exacerbated by human activities. The traditional approach to drought management has been reactive, re...
OBJECTIVE To assess the effect of body mass index on ICU outcome and on the development of ICU-acquired infection. DESIGN A substudy of the Intensive Care Over Nations audit. SETTING Seven hundred thirty ICUs in 84 countries. PATIENTS All adult ICU patients admitted between May 8 and 18, 2012, except those admitted for less than 24 hours for routine postoperative monitoring (n = 10,069). ...
Rainfall-triggered landslides are part of a natural process of hillslope erosion that can result in catastrophic loss of life and extensive property damage in mountainous, densely populated areas. As global population expansion on or near steep hillslopes continues, the human and economic costs associated with landslides will increase. Landslide hazard mitigation strategies generally involve ha...
Following an unprecedented drought, Australia's 2019/2020 “Black Summer” fire season caused severe damage, gravely impacting both humans and ecosystems, increasing susceptibility to other hazards. Heavy precipitation in early 2020 led flooding runoff that entrained ash soil burned areas, sediment concentration rivers, reducing water quality. We exemplify this hazard cascade a catchment New Sout...
Soil erosion is one of the environmental problems that is a threat to natural resources, agriculture and the environment, and in this regard, assessing the temporal and spatial amount of soil erosion has an effective role in management, erosion control and watershed management. The main aim of this study was to estimate soil erosion in Amoqin watershed and its relationship with well-known veget...
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