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#1
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![]() Ep! where is the zero point of "sea level" (gps coordinates) ???? in what sea/ocean ???? in what point ??? how is measured altitude of mountains ? how mach meters have the Gaorisankar (Everest) ??? some people say 8.848 others 8.850... what is correct ??? Dead sea is at "sea level" ??? the big depression in water surface in Indic ocean of -300m. is also at "sea level" ?? after indic tsunami and global changes in planet "sea level" also sufer variations ??? a reveure des Catalunya, the YoYoMan :-) |
#2
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The YoYoMan wrote:
Ep! where is the zero point of "sea level" (gps coordinates) ???? That depends on how you set the datum. Look in the menus of your GPS machine and see which datum sets are available, then Google up the references to see which is most appropriate for your usage & area. in what sea/ocean ???? Varies widely, "mean sea level" for specific areas is defined by averaging out the tidal variation over a 19 year cycle. how is measured altitude of mountains ? With a very very long piece of string. DSK |
#3
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Sea level is at your waterline.
Your welcome. Joe |
#4
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![]() "The YoYoMan" escribió en el mensaje ... Ep! where is the zero point of "sea level" (gps coordinates) ???? in what sea/ocean ???? in what point ??? I think the reference is not a point but a surface, the geoid surface, which is an oblate spheroid that is determined I think by measuring the gravity (I don't know how, thpough). This gives 0 meter altitude. how is measured altitude of mountains ? how mach meters have the Gaorisankar (Everest) ??? some people say 8.848 others 8.850... what is correct ??? Actually the Chinese are just sending a mission to determine the new height of the Everest, since it is believed that Everest snow cap is melting down due to global warming. Dead sea is at "sea level" ??? Dead sea is approx 400m below sea level. http://ask.yahoo.com/ask/20010920.html the big depression in water surface in Indic ocean of -300m. is also at "sea level" ?? I didn't know that. Where did you find that ? after indic tsunami and global changes in planet "sea level" also sufer variations ??? Actually, parts of sumatra shore ahev dived under water, beacuse the earthquake have lowered part of the island. The variation of sea level was but transient, as far as I know. a reveure des Catalunya, the YoYoMan :-) Doncs si home, a reveure ! Que vagi be a Catalunya ! Coneixes-tu foros de geología en castellá o en catalá ? En vaig buscar pero no vaig trobar rés. |
#5
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According to Jon, global warming is Bush's fault.
He fail to see that global warming and cooling has been a cycle going on since the beginning of the earth. Enjoy the warm winter days, and buy waterfront land inland now while it's still cheap. Joe |
#6
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![]() "JG" wrote in message ... According to the Republicans, global warming is a hoax. You were the one wearing a jacket in the BVI's Ganz...... what's up wid dat? How old are you anyway... 59??? CM |
#7
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A jacket?
-- "j" ganz @@ www.sailnow.com "Capt. Mooron" wrote in message news:jqcLd.81910$Ob.43336@edtnps84... "JG" wrote in message ... According to the Republicans, global warming is a hoax. You were the one wearing a jacket in the BVI's Ganz...... what's up wid dat? How old are you anyway... 59??? CM |
#8
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No. Global warming is not Bu****'s fault. He's just making it worse.
-- "j" ganz @@ www.sailnow.com "Joe" wrote in message oups.com... According to Jon, global warming is Bush's fault. He fail to see that global warming and cooling has been a cycle going on since the beginning of the earth. Enjoy the warm winter days, and buy waterfront land inland now while it's still cheap. Joe |
#9
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Yo,
Yo man. Mean sea level is almost an arbitrary point. It's picked for a best fit of data. Mount Everest is not the tallest mountain when measured from the center of the earth. Chimborazo in Ecuador is. The ocean has depressions in it all over the place. Gravity is not the same over the earth's surface. The world standard for sea level and the gravitational constant is located here on Gilligans Island 10 meters from the stern of the Minnow, right next to the Captain Neal shrine. The Professor keeps it calibrated on a daily basis. Hope this helps. Gilligan "The YoYoMan" wrote in message ... Ep! where is the zero point of "sea level" (gps coordinates) ???? in what sea/ocean ???? in what point ??? how is measured altitude of mountains ? how mach meters have the Gaorisankar (Everest) ??? some people say 8.848 others 8.850... what is correct ??? Dead sea is at "sea level" ??? the big depression in water surface in Indic ocean of -300m. is also at "sea level" ?? after indic tsunami and global changes in planet "sea level" also sufer variations ??? a reveure des Catalunya, the YoYoMan :-) |
#10
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It helps to see why you and Neal or bottom buddies.
-- "j" ganz @@ www.sailnow.com "Gilligan" wrote in message k.net... Yo, Yo man. Mean sea level is almost an arbitrary point. It's picked for a best fit of data. Mount Everest is not the tallest mountain when measured from the center of the earth. Chimborazo in Ecuador is. The ocean has depressions in it all over the place. Gravity is not the same over the earth's surface. The world standard for sea level and the gravitational constant is located here on Gilligans Island 10 meters from the stern of the Minnow, right next to the Captain Neal shrine. The Professor keeps it calibrated on a daily basis. Hope this helps. Gilligan "The YoYoMan" wrote in message ... Ep! where is the zero point of "sea level" (gps coordinates) ???? in what sea/ocean ???? in what point ??? how is measured altitude of mountains ? how mach meters have the Gaorisankar (Everest) ??? some people say 8.848 others 8.850... what is correct ??? Dead sea is at "sea level" ??? the big depression in water surface in Indic ocean of -300m. is also at "sea level" ?? after indic tsunami and global changes in planet "sea level" also sufer variations ??? a reveure des Catalunya, the YoYoMan :-) |
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