Common Problems in observation of sunshine.doc

Common Problems in observation of sunshine Study: Ball Feng Miao Hou Zhihua Zhang Aihua Wang Xiaosheng Abstract The observation of sunshine appeared and pharmaceutical equipment to analyze the use of that approach on the issue exception, observing that help do a better job of sunshine. Keywords sunshine observations; common problems; treatment Sunshine is the competent meteorological department under the State Council requirements to carry out one of the meteorological observations, sunshine climate information resources for the local analysis of the use of high value, but the aging equipment in recent years due to the use of poor quality and outdated approach to the causes of improper Sunshine observations are subject to certain of the accuracy of the data. The article on common problems of sunshine each observation in the analysis of meteorological observations for the further work to do to improve the accuracy of sunshine observations provide technical support. Problem Analysis 1 1.1 Equipment Qiao Tang, also known as dark style drum sunshine sunshine, mainly by the base, frame and dark tube composition, is measured sunshine hours of the main equipment. A lot of weather stations from the establishment of the station still in use, as some few stations update on the sunshine, so the issue of Sunshine obsolescence prominent exception. First performance in the sunshine of the cylinder cover, cylinder cover long-term wear and tear that can not completely seal cylinder in the sunshine, when there is heavy precipitation, rain sometimes flows from the barrel mouth, resulting in missing data sunshine; Second, most of the base level bubble has broken, can not determine whether the level of the base, although the installation error does not affect the daily sunshine hours total value of [1], but if something happens to the base is not level, within hours of its accuracy sunshine hours will have some impact. 1.2 The quality of medicines Fe