نتایج جستجو برای: annual maximum level
تعداد نتایج: 1428841 فیلتر نتایج به سال:
The issues on global warming have become very popular and been discussed both locally internationally. This phenomenon due to the temperature rises will increase variability of climate more natural disasters were expected occur. Increasing affect agricultural sector, some infectious diseases that may lead high mortality rates in humans, demand for electricity, water food which eventually affect...
During the past few decades, the southern part of the Caspian Sea has more frequently experienced extreme climatic events such as drought and flood. Trend analysis of hydro-climatic variables was conducted using non-parametric Mann-Kendall test and regression test for Neka basin in the north of Iran. Trends of precipitation and stream flow characteristics including maximum flow, mean flow...
In this paper, the impulsive exploitation of single species modelled by periodic Logistic equation is considered. First, it is shown that the generally periodic Kolmogorov system with impulsive harvest has a unique positive solution which is globally asymptotically stable for the positive solution. Further, choosing the maximum annual biomass yield as the management objective, we investigate th...
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