- 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 difference (error) between the average value of a random quantity having a Gaussian distribution and the value of that quantity at three standard deviations from the average. (jargon)
Industry:Earth science
The motion of a body moving under the influence of gravitational forces only. A body resting on the Earth's surface is not in free fall because it is subject not only to the Earth's gravitational force but also to the supporting force of the surface.
Industry:Earth science
To thin the edge of a photographic print made by abrading the back surface with sandpaper or emery paper. Also termed to feather edge. Prints are feathered before assembling them into a mosaic to obtain a smooth surface. When overlapping edges are feathered, shadows and sharp changes in contrast are reduced by dodging.
Industry:Earth science
Terms of annual aberration which depend on the eccentricity and longitude of perihelion of the Earth.
Industry:Earth science
(1) The average value of a random quantity minus a particular value of a measurement of that quantity. (2) The average value of a set of random values, minus the average value of a subset of that set. The term is inappropriate for either definition. Errors cannot be observed, and the sign of an observed error is the opposite of the sign of an error.
Industry:Earth science
A prominent or conspicuous physiographic landform or a salient part thereof.
Industry:Earth science
The process of estimating the value of a function at a specified point outside a certain region, from known values of the function at points within that region. Sometimes called prediction or filtering.
Industry:Earth science
A crossing or path joining parts of a farm that has been intersected by a railroad line.
Industry:Earth science
The situation or doctrine whereby one is concluded and forbidden by law to speak against his own act or deed. The situation can arise in disputes over a boundary if one of the parties tries to make a claim rendered suspect or invalid by his own actions or record.
Industry:Earth science
The particular value calculated from sample observations using an estimator.
Industry:Earth science
