Saturday, August 12, 2006

Three Meters of Sea Level Rise in Marin

A reader found this site and kindly shared it with me. It is an interactive map of the earth with elevation data provided by NASA (Shuttle Radar Topography Mission). You can zoom in to any part of our world and set sea level rise to be whatever you want (0 to 14 meters).

Below is a map of part of Marin that I cobbled together; it shows just three meters of sea level rise (click on the image for a larger view):


Blogger marine_explorer said...

If you follow that link, you'll may notice the NASA data is at a rather rough resolution--which you can "fill in" with familiarity for your own neighborhood.

All the same, I'm impressed at the ongoing development of google maps, and google earth is sure to follow. It's only a matter of time before a google earth mls system is out there, full of useful datapoints for the consumer. If technology developers oneday outpace the NAR's usefulness to consumers, what becomes of the whole Realtor industry?

Aug 12, 2006, 11:46:00 AM  
Anonymous Anonymous said...

Well, the good news is that the folks in Bahia will get their marina back...

Aug 12, 2006, 10:57:00 PM  
Anonymous Anonymous said...

How many cubic meters of water are required to raise the sea level by 1 meter?
If that water comes from melted polar ice how many cubic meters of ice are there now?
If I buy a houseboat should what does NAR estimate the appreciation rate to be next year?
Are interest payments on a submarine tax deductible?

Aug 13, 2006, 12:10:00 AM  
Blogger marine_explorer said...

If that water comes from melted polar ice how many cubic meters of ice are there now?
Here’s some estimates of sea level rise for complete melt of the following ice sheets*:

• Greenland: 7 meters
• West Antarctica (WAIS): 5 meters
• East + West Antarctica: 70 meters

That's a lot of ice, but even a 1 meter sea level rise should give waterfront homeowners cause for concern (but that would take something catastrophic like an ice shelf collapse).

*Source: Michael Oppenheimer, Princeton University, 2004

Aug 13, 2006, 11:00:00 AM  
Anonymous Anonymous said...

i saw in the paper that the greenland ice shelf is melting three times faster than previously thought.if you have seen al gore's movie,the old projection was 30 10.looks like the BA may acquire a lot of new reefs and beachfront property in the next two decades.

Aug 14, 2006, 10:06:00 AM  
Blogger rejunkie said...

Sweet! I will soon only be a few hundred yards from the beach! My property value is going to go through the roof!

Aug 14, 2006, 9:11:00 PM  
Blogger Marinite said...

Not to rain too hard on your parade...but due to the commensurate climate change, Marin might no longer be as temperate. I remember reading something about how the Bay Area was going to become more like coastal areas of SoCal of today but naturally I have no idea where I read that.

Aug 15, 2006, 10:06:00 AM  
Anonymous Anonymous said...

I read it somewhere as well that in next 10 years, people should expect 122 degree Fahrenheit (50 degree Celsius) in summer around bay area.

Aug 15, 2006, 10:20:00 AM  
Blogger marine_explorer said...

"I remember reading something about how the Bay Area was going to become more like coastal areas of SoCal"

I have my doubts, because our local ocean currents have a more polar source, and consequently this cooler water moderates local climes. Hence the maritime climate of SF. Of course, those currents could change drastically too.

If CO2 levels push our heat-exchange dynamics too far, I wonder if we'll see chaotic, non-linear effects. For me, the scariest aspects of global warming are the ones that can't predict--such as ocean current changes that have direct impact on land climate.

Aug 15, 2006, 12:44:00 PM  

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