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AN IMPROVED MODEL FOR ESTIMATING DEGREE DAYS
Acta Horticulturae, 2002Although using hourly data offers the greatest accuracy for estimating growing degree days, daily maximum and minimum temperature data are often used to estimate degree days by approximating the diurnal temperature trends. In this paper, an empirical model (TM model), recently developed for estimating hourly mean temperature, is used to calculate ...
Spano D, Cesaraccio C, Duce P, Snyder RL
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The Degree of Day‐to‐day Variation in Food Intake in Diabetic Patients
Diabetic Medicine, 1993A prospective study of food intake using 7 day food diaries was undertaken in 92 diabetic men and women aged 17–81 years. The median individual day‐to‐day coefficients of variation for energy intake were: in insulin treated patients 12.0%, in non‐insulin treated patients 13.7%; for carbohydrate intake 14.5% and 13.8% and for fat 20.7% and 20.8 ...
E J, Close +5 more
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Building Services Engineering Research and Technology, 1981
Temperature records at several sites have been analysed in terms of monthly and annual degree-day values to base temperatures in the range 5 to 20°C. Results for London (Heathrow) are presented in some detail and compared with estimates made with various published procedures. The consistency across Britain of year-to-year variations is examined.
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Temperature records at several sites have been analysed in terms of monthly and annual degree-day values to base temperatures in the range 5 to 20°C. Results for London (Heathrow) are presented in some detail and compared with estimates made with various published procedures. The consistency across Britain of year-to-year variations is examined.
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Environmental Engineering and Management Journal, 2014
In Central European countries, heating represents approximately 75% of the total energy use of a residential building, with average thermal characteristics of the envelope. The expected energy use can be determined using complex simulation programs, but an easier way is to use specific degree day values.
Zoltan Verbai +2 more
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In Central European countries, heating represents approximately 75% of the total energy use of a residential building, with average thermal characteristics of the envelope. The expected energy use can be determined using complex simulation programs, but an easier way is to use specific degree day values.
Zoltan Verbai +2 more
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1998
The development of plants and Poikilothermic (cold-blooded) animals is highly dependent on temperature. It has been said that “the hotter it is the faster they grow.” This is true, up to a point, where higher temperatures retard or even stop development. Temperature-driven models are available for a large number of plants such as corn, cotton, alfalfa,
Linda J. Young, Jerry H. Young
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The development of plants and Poikilothermic (cold-blooded) animals is highly dependent on temperature. It has been said that “the hotter it is the faster they grow.” This is true, up to a point, where higher temperatures retard or even stop development. Temperature-driven models are available for a large number of plants such as corn, cotton, alfalfa,
Linda J. Young, Jerry H. Young
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Agricultural and Forest Meteorology, 1985
Abstract Degree day accumulations can be used by growers to monitor the development of biological processes and thus can be used in crop and pest management. The adoption and use of degree days by individual growers and agricultural advisors, however, has been limited partly because of computational difficulties involved in the derivation of degree ...
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Abstract Degree day accumulations can be used by growers to monitor the development of biological processes and thus can be used in crop and pest management. The adoption and use of degree days by individual growers and agricultural advisors, however, has been limited partly because of computational difficulties involved in the derivation of degree ...
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Estimating monthly degree-days
Building Services Engineering Research and Technology, 1983A new method is proposed for the estimation of monthly degree-day values from monthly mean temperatures. This can be used to calculate figures for sites which are distant from the 17 sites in the UK for which published data are available, and to modify published figures to non-standard base temperatures.
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Climatic zoning and per capita demand forecast of Iran using degree-day method
Advances in Building Energy Research, 2021Shahab Moshari, Javad Gholami
exaly
Degree Days in the Croatian Lowlands
1996Time series of degree days for the different temperature thresholds from stations in the Croatia lowlands have been analysed. The temperature differences, between mean temperatures and temperatures thresholds, are called degree days or temperature sums.
Vučetić, Višnjica, Vučetić, Marko
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Influence of heating degree day calculation methods in designing the thermal envelope of buildings
Journal of Building Engineering, 2022Manuel Carpio +2 more
exaly