whighlander
Senior Member
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Re: Storm surge in Boston
CSTH -- As history has shown, there is always some risk of significant flooding, -- the Providence inundation example of 1938 is always there under the right circumstances. I don't think that there is any credible reason to suspect that a "Providence" Event" is any more or less likely based on Changing Climate due to Nature or Human Activity.
In any case -- Boston Harbor is sufficiently complex in shape and hydrology that its not clear that much can be done to preclude major flooding in the advent of a "Providence Event."
Nor can anything be done in the case of a Mega-Tsunami due to the subsidence of the mountain side due to the eruption of Cumbre Vieja on La Palma in the Canary Islands, or more recently discovered potential for a significant Tsunami due to the Puerto Rico trench Subduction Fault
So the question is -- what is the risk of serious damage from a much more likely storm surge and is the "fix" worth the investment of $ perhaps better deployed on other infrastructure projects
At this point _- I would say -- No the risk of catastrophic flooding from a "normal storm event" doesn't justify spending major money needed for any major project [e.g. storm barrier -- where?].
However, it is probably worth spending the relatively small $ to fix the more or less commonly recurrent flooding. There are places which regularly flood and for which some new pipes, or dome digging, etc., would make a significant difference.
This view is consistent with the USACE spending money to build the "New Charles River Dam" complete with the BIG Pumps which allow the Charles to be dumped into Boston Harbor even at high tide. That project got rid of regular flooding in the Back Bay due to heavy rain in the Charles Watershed when the tide was normally or extra normally high.
Maybe so. Nevertheless, I have two questions, as follows:
CSTH -- As history has shown, there is always some risk of significant flooding, -- the Providence inundation example of 1938 is always there under the right circumstances. I don't think that there is any credible reason to suspect that a "Providence" Event" is any more or less likely based on Changing Climate due to Nature or Human Activity.
In any case -- Boston Harbor is sufficiently complex in shape and hydrology that its not clear that much can be done to preclude major flooding in the advent of a "Providence Event."
Nor can anything be done in the case of a Mega-Tsunami due to the subsidence of the mountain side due to the eruption of Cumbre Vieja on La Palma in the Canary Islands, or more recently discovered potential for a significant Tsunami due to the Puerto Rico trench Subduction Fault
So the question is -- what is the risk of serious damage from a much more likely storm surge and is the "fix" worth the investment of $ perhaps better deployed on other infrastructure projects
At this point _- I would say -- No the risk of catastrophic flooding from a "normal storm event" doesn't justify spending major money needed for any major project [e.g. storm barrier -- where?].
However, it is probably worth spending the relatively small $ to fix the more or less commonly recurrent flooding. There are places which regularly flood and for which some new pipes, or dome digging, etc., would make a significant difference.
This view is consistent with the USACE spending money to build the "New Charles River Dam" complete with the BIG Pumps which allow the Charles to be dumped into Boston Harbor even at high tide. That project got rid of regular flooding in the Back Bay due to heavy rain in the Charles Watershed when the tide was normally or extra normally high.