نتایج جستجو برای: annual maximum level

تعداد نتایج: 1428841  

Journal: :environmental resources research 2014
vahedberdi sheikh

hydrologic regime is highly dependent on climate change, as hydrologic cycle components are directly influenced by climatic conditions. this paper analyzes the impacts of climate change on the hydrologic regime of the atrak river basin in the northeast of iran. it drains to the caspian sea. the data collected at 11 hydrometeorological stations were examined to detect trends in hydroclimatologic...

Hydrologic regime is highly dependent on climate change, as hydrologic cycle components are directly influenced by climatic conditions. This paper analyzes the impacts of climate change on the hydrologic regime of the Atrak River basin in the northeast of Iran. It drains to the Caspian Sea. The data collected at 11 hydrometeorological stations were examined to detect trends in hydroclimatologic...

Journal: :Photochemistry and photobiology 2000
J E Frederick J R Slusser D S Bigelow

This research examines the behavior of ground-level solar UV radiation as measured by eight broadband meters in the continental United States during the period from late 1994 to late 1998. The goal is to define the variability that occurs in UV irradiance over time scales ranging from one to several years. The monthly integrated irradiances, from latitude 32 degrees N to 47 degrees N, contain l...

Journal: :International Journal of Educational Advancement 2010

Journal: :caspian journal of environmental sciences 2006
murugan, m.

the projected rainfall change under various scenarios is likely to have both positive and negative implications on agriculture and water supply because in rainfall pattern across the country. rise in rainfall is seen over all states except punjab, rajasthan and tamil nadu, which show slight decrease in precipitation in the future scenarios. marked increase in covering the western ghats and nort...

Journal: :مجله دانشگاه علوم پزشکی مازندران 0
محمدتقی صمدی mohamad taghi samadi بهمن گلزار خجسته bahman golzarkhojasteh نیما رستم پور nima rostampour

abstract background and purpose: people are always exposed to ionizing radiation, which could badly influence their health. the degree of these influences depends on the level of radiations. in this study the dose of indoor gamma radiation was assessed using rds-110 multi-purpose survey meter. materials and methods: to determine the dose rate of indoor radiations in cities of hamedan province f...

 The study of meteorological characteristics and its variability is important in assessing the climate change impacts for water resources management. Trend analysis of hydrological and meteorological time series is a method for determining the change in climate variables that is performed with different parametric and non-parametric methods. In this research, the annual, seasonal and monthly tr...

2006
H. W. Rust

Standard flood return level estimation is based on extreme value analysis assuming independent extremes, i.e. fitting a model to excesses over a threshold or to annual maximum discharge. The assumption of independence might not be justifiable in many practical applications. The dependence of the daily run-off observations might in some cases be carried forward to the annual maximum discharge. U...

Journal: :iranian journal of radiation research 0
q.m. rashed-nizam department of physics, university of chittagong, chittagong-4331, bangladesh m. rahman department of physics, university of chittagong, chittagong-4331, bangladesh m.k. tafader institute of marine science, university of chittagong, chittagong -4331, bangladesh m. zafar institute of marine science, university of chittagong, chittagong -4331, bangladesh a.k.m.s.i. bhuian radioactivity testing and monitoring laboratory, bangladesh atomic energy commission, chittagong medical college campus, chittagong, bangladesh r.a. khan radioactivity testing and monitoring laboratory, bangladesh atomic energy commission, chittagong medical college campus, chittagong, bangladesh

to assess the environmental radioactivity levels and hence to determine the population exposure in kutubdia island, bangladesh the sediment samples were analyzed by using gamma ray spectrometry. in those sediment samples the average activity concentration of natural radionuclides 238u, 232th and 40k were found 15.39±1.67, 38.35±0.76 and 475.51±21.15 bq/kg respectively. the activity concentratio...

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