| This study based on "Yangxin Temple research protection project",investigating and recording the painting disease of Yangxin temple area in detail,developed a "digital painting system" to record statistics on painting diseases,summarized a new method suitable for record of the Imperial Palace painting diseases.Through the micro environmental monitoring of Yan Xitang pilot of Yangxin temple area,exploring the impact of environmental factors on the color painting,and according to the monitoring results of the pilot,we explore a micro environment monitoring program suitable for the whole region of Yangxin hall.In this study,using on-site inspection,surveying,statistics methods,taking Yan Xitang as the object of investigation,we summed up 16 kinds of common disease in the area,and analyzed the distribution of various diseases.Considering disease status and demand of Yan Xitang painting's repairing experiment,in the gallery,Waiyan,interior front eaves,white zetoms we selected 5 points for micro environmental monitoring and got values of temperature and relative humidity,illumination,UV illumination.We compared the micro environment numerical values between several points and found that during the monitoring time(winter): the daytime temperature difference was significantly higher than that at night and temperature difference of indoor is higher than that of outdoor,emperature difference in three points outdoor on the out of the eave is lower than that on the outer and inner porch eaves Gallery,night temperature difference is small and outdoor was significantly lower than indoor,temperature difference of three points out of the eave is lower than that inside and outside corridor,the indoor temperature difference is small;the change of the relative humidity is relative with temperature,the changes of relative humidity is inversely proportional to the temperature change during the monitoring time,variation of relative humidity outdoor is generally higher than indoor,relative humidity outdoor changes larger,and in the event of snowfall was significantly higher than that of indoor;during monitoring time,light out of the eave is more intense than that in the corridor,but when the light shines directly on the points on the eave,peak value appeared in a short period of time,and higher than the eaves.The indoor light is very weak,and the ultraviolet light is similar to the light.Indoor two points can not detect the presence of ultraviolet light,outdoor three points,higher than the rear porch outside the gallery above.Outside the gallery is 29.1 times the UV illumination gallery.Analysing the micro environment values of Yan Xitang,we integrated the existing research findings and summed that in the Yan Xitang tempera disease,ultraviolet radiation is the main cause of pigment faded,temperature and humidity variation have little effects on the pigment discoloration but will cause cracking,warping and other diseases of the painting;despite the change of micro environment has a slowly effect on painting damage,but the temperature,relative humidity,light,ultraviolet and other factor's long-term effects,will still make the painting get various of diseases.The damage caused by the water stain on the painting is greater and faster than the humidity change caused by the precipitation.Summarizing contents of Yan Xitang's micro environment monitoring,we suppose that our purpose of monitoring is achieved.The numerical value can reflect the basic environment of the color painting.Summering our lack and experience of monitoring,this paper based on color classification of the painting and disease on each level each kind of micro environmental monitoring,comparing of numerical values of micro environmental,obtain the effect of environmental factors on painting disease in a long peroid.In this paper,a long-term monitoring scheme is proposed to solve the problem of disease analysis,repair and acceptance,and routine monitoring. |
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