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Examples of factors that influence intensity values. (a) Degraded intensity values with range on objects such as street lights and asphalt pavement; (b) dissimilar intensity values captured on walls with different angles of incidence (larger view in Figure 3g); (c) lower intensity values for multipath returns from reflections of the laser off of the water surface; and (d) degraded intensity values (blue) due to wet surfaces at a rocky intertidal site.
