نتایج جستجو برای: daily sunshine duration

تعداد نتایج: 391818  

2008
KENNETH R. THOMPSON STEVEN D. RAWLES Harry K. Dupree LINDA S. METTS RE’GIE SMITH ASHLEY WIMSATT RONALD G. TWIBELL RONALD B. JOHNSON YOLANDA J. BRADY CARL D. WEBSTER

Limited information is available on digestibility of nutrients in various practical ingredients used in diets for commercially important finfish species, such as hybrid striped bass. This information is especially needed for sunshine bass, Morone chrysops 3 M. saxatilis, to improve least-cost diet formulations and to allow effective substitution of feedstuffs. A study was conducted with large (...

2010
R. Liu

The Chinese Loess Plateau is located in the north of China and has a significant impact on the climate and ecosystem evolvement over the East Asian continent. Estimates of evapotranspiration (ET) at a regional scale are in crucial need for climate studies, weather forecasts, hydrological surveys, ecological monitoring and water resource management. In this research, the ET of the Chinese Loess ...

Journal: :Atmosphere 2021

Worldwide solar dimming from the 1960s to 1980s has been widely recognized, but occurrence of brightening since late is still under debate—particularly in China. This study aims properly examine biases urbanization observed sunshine duration series 1987 2016 and explore related driving factors based on five meteorological stations around Hangzhou City, The results inferred a weak insignificant ...

2007
Fatih Evrendilek Can Ertekin

Though one of the most significant driving forces behind ecological processessuch as biogeochemical cycles and energy flows, solar radiation data are limited or non-existent by conventional ground-based measurements, and thus, often estimated from othermeteorological data through (geo)statistical models. In this study, spatial and temporalpatterns of monthly average daily solar radiation on a h...

Journal: :International journal of computational and experimental science and engineering 2021

The design of photovoltaic or solar systems and estimating their performance require knowledge the intensity radiation. measurement this parameter for some sites in Algeria is unfortunately not obvious. However, researchers are moving towards modeling, estimation prediction. To model global radiation Algeria, we must take into account geographical climatic parameters such as sunshine duration, ...

Due to the heterogeneous distribution of precipitation, predicting its occurrence is one of the primary and basic solutions to prevent possible disasters and damages caused by them. Considering the high amount of precipitation in Sardasht County, the people of this city turning to agriculture in recent years and not using classification models in the studied station, it is necessary to predict ...

Journal: :Biological psychiatry 2001
D H Avery D N Eder M A Bolte C J Hellekson D L Dunner M V Vitiello P N Prinz

BACKGROUND Some small controlled studies have found that dawn simulation is effective in treating seasonal affective disorder (SAD). With a larger sample size and a longer duration of treatment, we compared dawn simulation with bright light therapy and a placebo condition in patients with SAD. METHOD Medication-free patients with SAD were randomly assigned to one of three conditions: bright l...

Journal: :Journal of the Illuminating Engineering Institute of Japan 1994

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