Average diameter of beach sediments — 2012

Spatial distribution of the average diameters related to beach sediments taken in 2012 along the Emilia-Romagna coast. The average diameter represents an average of the size of the granules that constitute the samples taken from the regional beaches and identify the average value of the distribution.2012年沿艾米利亚-罗马涅（Emilia-Romagna）海岸采集的海滩沉积物平均粒径空间分布。 平均粒径指代从该区域海滩采集的样本所包含的颗粒粒径的平均值，用以表征该粒径分布的均值。