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High resolution estimates of the corrosion risk for cultural heritage in Italy

机译：高分辨率估计意大利文化遗产的腐蚀风险

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Air pollution plays a pivotal role in the deterioration of many materials used in buildings and cultural monuments causing an inestimable damage. This study aims to estimate the impacts of air pollution (SO2, HNO3, O-3, PM10) and meteorological conditions (temperature, precipitation, relative humidity) on limestone, copper and bronze based on high resolution air quality data-base produced with AMS-MINNI modelling system over the Italian territory over the time period 2003-2010. A comparison between high resolution data (AMS-MINNI grid, 4 x 4 km) and low resolution data (EMEP grid, 50 x 50 km) has been performed. Our results pointed out that the corrosion levels for limestone, copper and bronze are decreased in Italy from 2003 to 2010 in relation to decrease of pollutant concentrations. However, some problem related to air pollution persists especially in Northern and Southern Italy. In particular, PM10 and HNO3 are considered the main responsible for limestone corrosion. Moreover, the high resolution data (AMS-MINNI) allowed the identification of risk areas that are not visible with the low resolution data (EMEP modelling system) in all considered years and, especially, in the limestone case. Consequently, high resolution air quality simulations are suitable to provide concrete benefits in providing information for national effective policy against corrosion risk for cultural heritage, also in the context of climate changes that are affecting strongly Mediterranean basin. (C) 2017 Elsevier Ltd. All rights reserved.
机译：空气污染在建筑物和文化古迹中使用的许多材料的退化导致无法估量的损害中起着关键作用。这项研究旨在根据AMS产生的高分辨率空气质量数据库，估算空气污染（SO2，HNO3，O-3，PM10）和气象条件（温度，降水，相对湿度）对石灰石，铜和青铜的影响。 -2003-2010年期间在意大利境内的MINNI建模系统。在高分辨率数据（AMS-MINNI网格，4 x 4 km）和低分辨率数据（EMEP网格，50 x 50 km）之间进行了比较。我们的结果指出，从2003年到2010年，意大利的石灰石，铜和青铜的腐蚀程度与污染物浓度的降低有关。但是，与空气污染有关的一些问题仍然存在，特别是在意大利北部和南部。特别是，PM10和HNO3被认为是造成石灰石腐蚀的主要原因。此外，高分辨率数据（AMS-MINNI）可以识别在所有考虑的年份，尤其是石灰石情况下，低分辨率数据（EMEP建模系统）都不可见的风险区域。因此，高分辨率的空气质量模拟适合在为针对文化遗产的腐蚀风险的国家有效政策提供信息时，以及在严重影响地中海盆地的气候变化的背景下，提供具体的好处。 （C）2017 Elsevier Ltd.保留所有权利。

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