نتایج جستجو برای: sunshine hours

تعداد نتایج: 150329  

Journal: :Scientific American 1911

Journal: :The Lancet 1908

Journal: :Sustainability 2022

Reference evapotranspiration (ET0) is an important part of the water and energy cycles during crop growth. Understanding influencing factors spatiotemporal variations ET0 positive significance for guiding regional water-saving irrigation regulating agricultural production. Data daily meteorological observations temperature, relative humidity, wind speed, sunshine hours from 40 surface stations ...

Journal: :آب و توسعه پایدار 0
مجید جعفری یعقوب دین پژوه اسماعیل اسدی

evaporation is one of the main parameters for the optimum operation of reservoirs, design of irrigation systems and scientific management of water resources. accurate estimation of the water evaporation level is crucial in any region especially in arid and semiarid regions. in this study, the feasibility of simulation of pan evaporation in maraghe station using the multiple regression models we...

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: :International Journal of Enviornment and Climate Change 2022

Investigations on the population dynamics of aphid Aphis gossypii Glover Bt (G.Cot.Hy.8 BG II) and non-Bt (G.Cot.Hy.8) were carried out at Main Cotton Research Station, Navsari Agricultural University, Surat, Gujarat during Kharif, 2020-21. The incidence aphids initiated in first week July (27th SW) cotton hybrid second (28th continued till crop harvest January (2nd both hybrids. peak activity ...

Journal: :Environmental and Resource Economics 2023

Abstract This paper tests for the presence of behavioral biases in household decisions to adopt solar photovoltaic installations using exogenous variation weather. I find that residential technology uptake responds exceptional weather, defined as deviations from long-term mean, line with average time gap between decision-making and completion installation. In particular, a one standard deviatio...

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