Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

7Categories 223518Terms

Add a new term

Contributors in Earth science

Become a Contributors

Earth science > Mapping science

ephemeris meridian

Earth science; Mapping science

(1) The meridian 15. 04l07 T east of the meridian of Greenwich, where T is a number equal to the difference, in seconds of time, between ephemeris time and Universal Time. (2) ...

equiangulator

Earth science; Mapping science

(1) An astrolabe containing a 60 o prism for observing celestial bodies at a constant angular elevation of 60 o rolabe. The term is obsolescent.

normal equation

Earth science; Mapping science

(1) One of a set of simultaneous equations equal in number to the number of unknowns.

annual equation

Earth science; Mapping science

An inequality (perturbation) in the Moon's motion, having an amplitude of 11' 8. 93" and a period of one anomalistic year.

engineering geology

Earth science; Mapping science

The application of geology to engineering to ensure that the geological factors affecting determination of route or site, location, design, construction, operation and/or ...

engineering map

Earth science; Mapping science

A map showing information essential for planning an engineering project or development and for estimating its cost. An engineering map is usually a large scale map of a ...