Global warming coal saving for heating
Global warming coal saving for heating
China's meteorological experts recently released results show: As the climate warms, Xinjiang, Shaanxi, Shanxi and in some areas before 1980, compared to heating coal to save more than 15% in theory.
Geography, Beijing Normal University-the-job Ph.D., Harbin, Heilongjiang Province Bureau of Meteorology weather and climate engineers Chen Li and others, in the "Science Bulletin" No. 10 of 2007 published paper, "Climate warming on cold regions and cold in China region and the southern boundary of the impact of heating energy consumption ", from the perspective of the practical application of weather and climate discussed the impact of warming on heating energy consumption, climate change and the economy combined with policy-making departments of the government to provide scientific support, and to climate warming and energy demand further study.
In this paper, the National 590 meteorological stations and the daily average temperature based on the monthly average temperature, based on "heating, ventilation and air conditioning design code (GB50019-2003)", "civil thermal design specification (GB50176-93)" select the target , of the 20th century climate warming since the mid-80's cold regions of China and the southern boundary of the cold region; the same time under the "Energy conservation design standard (heating residential buildings) JCJ26-95" in major cities and towns listed in heating indicators of building heating coal consumption, quantitative calculation of climate warming on cold regions and cold regions of the coal saving of the major cities and towns the amount of heating effect.
Paper pointed out that climate warming will change the temperature of the heating energy demand, will certainly affect the greenhouse gas and pollutant emissions. The United Nations Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report Summary for Policymakers that monitoring data from 1850 are the warmest 12 years, from 1995 to 2006 accounted for 11. With researchers in China's surface temperature analysis shows that nearly 54 years (1951 to 2004) annual mean surface air temperature warming rate than the global or hemispheric mean temperature over the same period a much higher rate (about 1.3 , temperature increase rate of close to 0.25 / 10 years), the highest rate in winter, up to 0.39 / 10 years.
China's central heating zone, heating zone and heating of the transition length of studies have shown that since the mid-80s last century, climate warming, particularly since the mid-90's significant warming, heating in winter weather conditions in China had a significant impact. Compared with the periods before 1980, the national focus on heating zone and transition zone boundaries clearly heating north, longitude 110 degrees east of the area north of up to two latitudes, in theory, to cold regions and cold regions most economizer 5 % to 10%; the changes since the mid 90's more obvious, Xinjiang, Shaanxi, Shanxi coal saving rate of heating in some areas even more than 15%; heating in most areas of the country to shorten the length of 5 to 10 days.
Chen Li told "Science Times" reporter, said that global warming, climate change itself closely with the national economy, climate warming on the contribution of heating coal saving is also a preliminary study of this topic is still controversial, not quantitative easy, so in the economic decision-making and architectural design, the proposals still need to carefully. She is working on this for further research.
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