The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 11
Page 1
... geoid , is a refer- ence surface from which topographic heights and ocean depths are measured . Because of the irregular mass dis- tributions inside the Earth , the geoid is not a simple mathematical surface and consequently is not a ...
... geoid , is a refer- ence surface from which topographic heights and ocean depths are measured . Because of the irregular mass dis- tributions inside the Earth , the geoid is not a simple mathematical surface and consequently is not a ...
Page 5
... geoid . One of them was the result of the effort started by W.A. Hei- skanen at Ohio State University ( Columbus ) in 1951 . In this program all gravity observations around the world were collected and transferred into one uniform ...
... geoid . One of them was the result of the effort started by W.A. Hei- skanen at Ohio State University ( Columbus ) in 1951 . In this program all gravity observations around the world were collected and transferred into one uniform ...
Page 20
... geoid ( Figure 1 ) . The geoid repre- sents a surface that is everywhere at right angles to the geoid deflection of the vertical geoid height rock surface Pratt - Hayford model Airy - Heiskanen model geoid = mean sea level rock surface ...
... geoid ( Figure 1 ) . The geoid repre- sents a surface that is everywhere at right angles to the geoid deflection of the vertical geoid height rock surface Pratt - Hayford model Airy - Heiskanen model geoid = mean sea level rock surface ...
Other editions - View all
Common terms and phrases
activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western