نتایج جستجو برای: temperature increment trend
تعداد نتایج: 600114 فیلتر نتایج به سال:
Increasing CO2 emissions and consequently, air temperature causes climate anomalies which affects all the aspects of human life. The purpose of this study was to assess the temperature changes and also to predict the extreme temperatures in Gilan and Mazandaran Provinces. To do this, the SDSM statistical and dynamical model was used. As well, it was applied the Mann-Kendal graphical and statist...
The aim of this study is to investigate the trend of spatial and temporal changes in the future extreme temperature of Iran. The data used include daily data of minimum temperature and maximum temperature of CCSM4 model during the basic period of 1986-2005 and the future period of 2006-2050 under scenarios of 4.5 and 8.5 in Iran. The results of studying the trend of warm and cold extreme during...
the acid-base status and arterial blood gas change with temperature variation. to determine the changes in arterial ph and pc02, arterial blood samples of 50 neonates with different clinical conditions were examined at temperatures of 35 to 42°c with an increment of 0.5° c, which resulted in two nonlinear equations with perfect fit on data. the temperature correction factors of these equations,...
The SSS (sea surface salinity) is an important factor affecting global climate changes, sea dynamic environments, water cycles, marine ecological and ocean carbon cycles. Satellite remote sensing a practical way to observe from space, the key retrieving satellite products establish accurate brightness temperature forward model. However, calculation results of different models, which are compose...
As climate changes, there is a need to understand the expected effects on viticulture. In nature, stresses exist in a combined manner, hampering the elucidation of the effect of individual cues on grape berry metabolism. Cell suspension culture originated from pea-size Gamy Red grape berry was used to harness metabolic response to high light (HL; 2500 μmol m(-2)s(-1)), high temperature (HT; 40°...
introduction: air temperature as an important climatic factor can influence variability and distribution of other climatic parameters. therefore, tracking the changes in air temperature is a popular procedure in climate change studies.. according to the national academy in the last decade, global temperature has raised 0.4 to 0.8⁰c. instrumental records show that, with the exception of 1998, th...
Historical information on forest growth is essential to evaluate and understand change in managed and unmanaged forests. Two ground-truth nondestructive sources of information on interannual to interdecadal changes are (a) repeated timber inventories and (b) tree-ring chronologies. I present here a case study of how those two types of data can complement and benefit each other. At the Gus Pears...
Any changes in the climate system affect on the access and management of natural resources such as water and soil. Temperature and precipitation are the key elements of climate for studying their trend can be important for atmospheric scientists, environmental managers and planners in the field of hydrology, agriculture, environment and so on. In this study, the trend of climate fluctuations wa...
which states that the increase in the entropy of a system, when it changes from one condition to another, cannot be less than the integral of the heat absorbed divided for each increment of heat by the temperature of a heat reservoir appropriate for supplying the increment in question. The equality sign in this expression is to be taken as applying to the limiting case of reversible changes.” F...
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