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Old 06-08-2017, 09:16 AM   #1
business_kid
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Visualizing Sea Level Rise


I have an interest in visualizing sea level rise at different levels, and was wondering what software people are using for this task. I have tried

1. GeoMapApp.jar. This java app is based on the pioneering work of the late William Haxby. He initially released some maps at preset levels (which I had the good sense to archive). The java app followed (also an exe for windows), and initially it was brilliant once you had won the battle to get it running. But recent versions seem to have an overabundance of data sets; You can track every fish fart in the 7 seas, but I can't find sea level at all.

2. I did download changing_sea_level_n.kmz for google earth, but it's behaviour is disappointing to put it mildly. Put it over Bangladesh, a place that's going to be drastically affected by a few metres of sea level rise and it's output is weird, zoom dependent and the expected erosion of coastline is not displayed. Google Earth is not doing 3D for me despite setting up for it. This may be due to the Intel HD4000 graphics or cheapo i3 twin core cpu.

Is there anything that works well out there? I even would contemplate a windows thing as I have some windows version (Vista x64) locked up in a vm for the very rainy day when I would need it. I'm running Slackware-14.2 & XFCE.
 
Old 06-08-2017, 02:33 PM   #2
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Maybe government sites offer data. I think NOAA does??
 
Old 06-09-2017, 03:50 AM   #3
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I'm pretty sure the Nasa does, unless the dumb blonde in the White House has cut it. Places of interest to me are Ireland, Bangladesh, Netherlands, Shanghai, Various islands and Deltas, and the Arctic/Antarctic. That's an awful lot of Governments :-o.

Looking at this stuff, you notice what a huge percentage of the population lives in vulnerable port cities, and how massively the ice is actually vanishing, particularly from Greenland.And a rise in sea level means a rise in every river flowing into the sea, which feeds back up inland.
 
Old 06-10-2017, 04:14 PM   #4
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what i use is the strm2 3-arc sec.( or 1 arc.sec.) data and mask the height above sealevel
https://dds.cr.usgs.gov/srtm/version2_1/
this is in ArcGIS format but GDAL can convert it , then use Nip2 to work on the 16 bit tiff

or use Qgis to import it ( qgis uses grass and gdal )

Last edited by John VV; 06-10-2017 at 04:17 PM.
 
Old 06-11-2017, 04:51 AM   #5
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Interesting.Thank you. I hadn't heard of those.
Strm data set, qgis & dependedcies. That's a lot of setup. Nip2 - is that windoze only? Anything that claims to be 'half way between excel & photoshop' has earned a minus point in my estimation. What can nip2 do that gimp or inkscape can't?

It reminds me of the original output from the Lamont Doherty Observatory where they had William Haxby inventing this stuff and showing the world how. They went to a java app. I'm actually hugely disappointed in google earth. I may install the geomapapp.exe in a vm.
EDIT:
1 Arc second equates to ~31 Metres. Google earth betters that in most places, but the latest version is tied to Chrome :-(

Last edited by business_kid; 06-11-2017 at 04:54 AM.
 
Old 06-11-2017, 07:13 AM   #6
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A year or two ago I was looking at a website which showed this and, while it's interesting to see, I found the fact that they expect The Netherlands to just give in and let the sea take them a bit odd. Surely a place that's reclaimed land from the sea and it below sea level will be constantly updating their infrastructure to keep their land dry?
 
Old 06-11-2017, 09:35 AM   #7
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Nip2 - is that windoze only?

seeing as i am linux ONLY that answer is a big NO!!!!
it is designed to handle HUGE datasets of over 30 GIG or more

also ( for suse leap at least)
qgis it in the repos and nip is also in the repos
this should ALSO be the same for Debian and fedora

and very easy to install
Code:
su -
zypper in nip2 qgis

Last edited by John VV; 06-11-2017 at 12:40 PM.
 
Old 06-11-2017, 02:48 PM   #8
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Sea level rise is a theoretical concept. Even the lowest lying islands haven't been affected at all. So, determining a mathematical model is probably impossible at this time. I think relying on faith is a much more effective way to gauge sea level rise.
 
Old 06-11-2017, 03:30 PM   #9
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Quote:
Originally Posted by AwesomeMachine View Post
Sea level rise is a theoretical concept. Even the lowest lying islands haven't been affected at all.
what?
i bet many people living in flat coastal regions would disagree.
http://www.ipcc.ch/publications_and_...n/faq-5-1.html
 
Old 06-11-2017, 04:46 PM   #10
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Quote:
Sea level rise is a theoretical concept.
? where did you learn that MISINFORMATION ?
-- fox news ? maybe ?

that is 100% false and inaccurate
 
Old 06-11-2017, 05:31 PM   #11
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Smile Any evidence?

Quote:
Originally Posted by John VV View Post
? where did you learn that MISINFORMATION ?
-- fox news ? maybe ?

that is 100% false and inaccurate
I haven't seen any rational evidence to support actual sea level rise. Although I have seen theoretical evidence that attempts to explain various phenomena as sea level rise, or sea level in certain areas at certain times.

There are more rational explanations for all evidence of global sea level rise, so I accept those rather just what some guy says.

Records have been kept since 1993, which isn't long enough to draw hard conclusions.

It sounds a bit contrived that satellites can measure 1/8" of sea level rise! I haven't seen any evidence that that's even possible!

Maldives is the lowest laying country. There is no evidence of any effect of sea level rise there. Every shred of evidence is a future projection, which may or may not be true.

Climate change is a faith-based belief system. I haven't seen any hard evidence to support it. It's all just what some guy says. That's not good enough for me.

I challenge anyone to find one piece of hard evidence in support of global sea level rise! And I don't mean projections for future effects. The sea can dip in the middle and cause a coastal rise, which is happening in California right now!

It was predicted 12 years ago that sea level rise would wreak havoc on the entire world within 10 years. We're two years past that. The sea can rise in certain places and drop in certain places. And it doesn't always drop along a coastline.

Unless it can be proved that the sea is rising everywhere at once, then sea level rise is just a ploy on the green energy companies to get people to buy things they don't really need.

Dupont did the same thing. It funded research to prove chlorofluorohydrocarbons damage the ozone layer. They timed the research perfectly to coincide with the expiration of their patents on refrigerants.

They enlisted an army of the faithful to do battle against the diabolical architect of all evil, Du Pont Corporation; pure greed poised to destroy all civilization.

They were going to really sock it to those corporate big wigs. Yup, force them to stop producing a product they make billions selling.

That's exactly what Du Pont wanted. Hysteria got to the point that the United States entered into a treaty to stop the manufacture and use of conventional refrigerants.

This has cost consumers billions of dollars, but it created an exclusive new market for Du Pont's new refrigerants, with patents. Every other nation in the world is free to continue production and use of the old refrigerants--the ones that supposedly destroy the ozone layer!

And silicon chip manufacturers have yet to find a substitute for chlorofluorohydrocarbons as a residue-free cleaning agent, so they can continue pouring tons of it into the atmosphere.

Now, green energy companies have enlisted the climate-change faithful to sell their products. It's a ploy that works like a charm every time it's used.

If people demanded hard evidence the world would be a better place.

All that is required for evil to prosper is ignorance to the truth!
 
Old 06-11-2017, 09:56 PM   #12
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Awesome Machine, if you are doubtful about sea level rise, just move to my neck of the woods.

It is happening and we see its results with every rain storm. Saying it ain't so doesn't make it go away.

Here's one article from my local rag. Visit their website to see many more. http://pilotonline.com/news/local/en...a8776ae90.html
 
Old 06-12-2017, 01:37 AM   #13
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Cool

Quote:
Originally Posted by frankbell View Post
Awesome Machine, if you are doubtful about sea level rise, just move to my neck of the woods.

It is happening and we see its results with every rain storm. Saying it ain't so doesn't make it go away.

Here's one article from my local rag. Visit their website to see many more. http://pilotonline.com/news/local/en...a8776ae90.html
Awesome Machine, does not believe. He believes in experience is the best teacher.

http://www.businessinsider.sg/5-terr...u8SkKKd1q3P.97

http://www.nationalgeographic.com/en...ea-level-rise/
 
Old 06-12-2017, 05:51 AM   #14
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Awesome Machine, I object to your off-topic expression of (lack of)faith in answer to my software related question.

Global Warming and sea level rise are accepted facts in line with accepted scientific evidence, as are the increasing number of climate refugees. Expressing a lack of faith is an expression of your faith or bias against the overwhelming scientific evidence. There is NO debating this. What you are saying is tantamount to arguing that smoking tobacco doesn't damage health, or that arsenic isn't poisonous.

My late honoured father warned me against Invincible Ignorance. There is no cure that can be applied by any third party such as myself. The only safe course was to flee, as all that was at risk was my sanity. So I will not grace your comments with a detailed rebuttal.
 
Old 06-12-2017, 10:04 AM   #15
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I'm not sure whether (or weather) to close this thread or move it to general.

We can't be insulting people. The original question was about using software and it turned into personal comments. Please use PM feature to PM members comments.

A guy tried to make a computer model of the weather. He ultimately found that no computer model could be made. His comment was something like the wings of a butterfly in China could affect the weather in the US and mess up his computer model.

Another stated that if he were to have access to the the last 1000 years data he could predict the weather tomorrow.

I grew up in a time that scientists were claiming another ice age. They wanted to put asbestos in children's clothing. Lead was good for almost all products.

Give me 1000 years and I will be able to tell you if the current science is correct or not. We will know if the water is rising or the land is falling. We will know if the solar winds affect weather. We will know if the earths core is affecting the planet.

I am pretty darn sure that using energy is bad for the earth. What the solution is I will not be able to tell. Doubt I'll be around in 1000 years.
 
  


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