- 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, ...
All the preparations needed to be done to a lithographic plate on the press so that it will print correctly (correct registration and color). Also written make-ready. It may also include the associated preparation of the printing press.
Industry:Earth science
A magnetometer which measures the intensity of a magnetic field without reference to measurements by other magnetometers.
Industry:Earth science
(1) Mapping of a coastal region. (2) Mapping of either the landward portion alone of a coast; the landward portion together with that extending to the low-water line, non-floating aids to navigation and landmarks; or the topography of the seaward portion out to the greatest depth that can be determined from aerial photographs.
Industry:Earth science
The amount by which the sum of the directed excursions east and west of a line running north and south fail to add up to the directed distance of the final station; in particular and usually, the amount by which they fail to add up to zero upon return to the original station.
Industry:Earth science
A value of longitude chosen for convenience or because the correct value is not known.
Industry:Earth science
A line drawn with a grease pencil on a photograph and going inward from a torn edge of the print, serving as a guide to registration when inserting the print into a mosaic. Usually, several match lines are drawn on each photograph of a mosaic.
Industry:Earth science
The convention adopted by the USA effective 28 November 1980 and making the following changes to the previously established rules governing tidal datums. (a) One uniform, continuous tidal datum was established for all tidal waters of the USA (including Commonwealths, territories and U.S. Trust Territories under jurisdiction of the USA). (b) It provided a tidal datum independent of computations based on the type of tide. (c) It lowered chart datum from mean low water to mean lower low water along the Atlantic coast of the United States of America. (d) It changed the National Tidal Datum Epoch from the period 1941 through 1959 to the period 1960 to 1978. (e) It changed the name Gulf Coast Low Water Datum to mean lower low water. (f) It introduced the tidal datum of mean higher high water in regions of predominantly diurnal tides. (g) It lowered mean high water in regions of predominantly diurnal tides.
Industry:Earth science
A unit of length defined to be exactly 0.000 001 meter. The spelling micrometre is more common in the USA, as is the equivalent term micron (q.v.).
Industry:Earth science
The percent of cost a buyer pays in cash for a security, borrowing the balance from the broker. This introduces leverage, which increases the risk of the transaction.
Industry:Earth science
That point, on a map, whose coordinates are the average of the coordinates of a mapped distribution of points.
Industry:Earth science
