- Industry: Earth science
- Number of terms: 93452
- Number of blossaries: 0
- Company Profile:
Founded in 1941, the American Congress on Surveying and Mapping (ACSM) is an international association representing the interests of professionals in surveying, mapping and communicating spatial data relating to the Earth's surface. Today, ACSM's members include more than 7,000 surveyors, ...
The instrumental error in the magnetic bearing given by readings of the needle.
Industry:Earth science
A code (1) which uses combinations of only two digital characters (usually 0 and 1) to represent other characters. For example, the number 5 may be represented by 101.
Industry:Earth science
A large, volcanic depression more or less circular or cirque like and having a diameter many times that of the volcanic vent it contains.
Industry:Earth science
(1) A circle, on the celestial sphere, parallel to the plane of the ecliptic. (2) A circle, on a sphere representing the Earth parallel to the plane of the Equator; a parallel along which longitude is measured.
Industry:Earth science
Direction as indicated by a compass without any allowance for compass error. It may differ by a considerable amount from the astronomic or magnetic direction.
Industry:Earth science
An independent rate of return (or hurdle rate) forming an objective test of the effective implementation of an investment strategy.
Industry:Earth science
A unit of radiation, equal to 1/60th of the luminescent intensity from one square centimeter of a black body at 2042<sup>o</sup> K (the temperature of solidifying platinum). Formerly called a candle. The unit was approved by the International Committee on Weights and Measures on 1 January 1948. It was adopted by the U. S. A. as a legal standard on 21 July 1950.
Industry:Earth science
(1) That quality of color which is definable by its chromaticity coordinates. (2) That part of a color's specifications which does not involve luminance.
Industry:Earth science
(1) A level or gently sloping, flat surface produced by erosion and inclined seaward. (2) A nearly horizontal region at about the elevation of highest high water or the sea side of a dike.
Industry:Earth science
