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Fig. 4 | Heritage Science

Fig. 4

From: A controlled field experiment to investigate the deterioration of earthen heritage by wind and rain

Fig. 4

Deterioration caused by ac wind, df sediment-laden wind and gi rain with (i) visual observations (Obs.) while the deterioration test was undertaken, (ii) post-test photographs of the test area and iii) the laser scanning deviation map showing changes in surface topography (blue = negative surface change, green = no significant change and yellow = positive surface change), note the difference in the quantitative scale between rows (mm). The letter (A), (B) or (C) refers to the test area the experiment was undertaken on

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