medchal, your reply to Biowatch 'sounded' sarcastic and it certainly appeared to indicate that mean sea-level now was lower than in 1841. That would not be implausible nor would the raising of the island relative to mean sea-level as you subsequently noted; although, in 169 yrs it would be extremely unlikely in the former case and unusual in the latter.
My follow-up note to your post was merely to show that there was some debate about what the carving meant. As poorgradstudent noted it was an interesting tidbit and i don't think my follow-up was critical of you or my interpretation of the message. Some anti-climate change folks use the carving to buttress their arguments and I was merely pointing out that evidence is not as unambiguous as claimed.
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