Techniques Of High Spatial Density Magnetic Profiling And Mapping PDF Download
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Author | : Wilfred P. Hasbrouck |
Publisher | : |
Total Pages | : 36 |
Release | : 1970 |
Genre | : Data reduction |
ISBN | : |
Download Techniques of High Spatial Density Magnetic Profiling and Mapping Book in PDF, ePub and Kindle
This report describes data acquisition and reduction methods that were used in investigations of large-amplitude, high-wave number, total magnetic field variations over exposed, basic volcanic rocks. The continuous profiling and discrete-station field operations procedures are detailed. A double-orthogonal-array mapping technique which eliminates mapping bias and allows full use of a folded (sin x)/x interpolator is also described. Discussion of the digital computer data reduction procedures includes description of single and multiple function editing plots and the corrections for endpoint and traverse-velocity mismatch, traverse velocity inequality, and nonalignment of correlation points between initial and replicate traverses. An example using data obtained by the continuous profiling procedure is given to show output from progressive stages in the data reduction technique.
Author | : Wilfred P. Hasbrouck |
Publisher | : |
Total Pages | : 36 |
Release | : 1970 |
Genre | : Data reduction |
ISBN | : |
Download Techniques of High Spatial Density Magnetic Profiling and Mapping Book in PDF, ePub and Kindle
This report describes data acquisition and reduction methods that were used in investigations of large-amplitude, high-wave number, total magnetic field variations over exposed, basic volcanic rocks. The continuous profiling and discrete-station field operations procedures are detailed. A double-orthogonal-array mapping technique which eliminates mapping bias and allows full use of a folded (sin x)/x interpolator is also described. Discussion of the digital computer data reduction procedures includes description of single and multiple function editing plots and the corrections for endpoint and traverse-velocity mismatch, traverse velocity inequality, and nonalignment of correlation points between initial and replicate traverses. An example using data obtained by the continuous profiling procedure is given to show output from progressive stages in the data reduction technique.
Author | : |
Publisher | : |
Total Pages | : 638 |
Release | : 1970 |
Genre | : Earth sciences |
ISBN | : |
Download ESSA Technical Report ERL-ESL Book in PDF, ePub and Kindle
Author | : Wilfred P. Hasbrouck |
Publisher | : |
Total Pages | : 48 |
Release | : 1971 |
Genre | : Geomagnetism |
ISBN | : |
Download Computation of Two-dimensional Magnetic Anomolies Through Use of Pole-line Sets Book in PDF, ePub and Kindle
Total field magnetic anomalies can be computed for groups of two-dimensional bodies of irregular cross section by assuming each body to be either bounded by a bundle of magnetic pole lines or enclosed by a set of planes within which the surface density of magnetic poles is a constant. Increasing the number of pole lines through use of an interpolator improves the quality of the pole-line method and makes it very useful for computing the anticipated magnetic effect from shallow, high-magnetization bodies whose surfaces are essentially nonplanar. This paper describes a computer procedure which uses both the pole-line and bounded-plane techniques, presents the computer program and its development, and gives examples of its use. The ability of the method to affect two-dimensional terrain corrections in lava-covered areas is demonstrated by a realistically modeled lava tube whose anomaly could not have been seen reliably if terrain effect had not been removed.
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1292 |
Release | : 1971 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author | : |
Publisher | : |
Total Pages | : 1388 |
Release | : |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
Author | : United States. Superintendent of Documents |
Publisher | : |
Total Pages | : 1408 |
Release | : 1976 |
Genre | : United States |
ISBN | : |
Download Monthly Catalog of United States Government Publications, Cumulative Index Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 592 |
Release | : 1970 |
Genre | : Earth (Planet) |
ISBN | : |
Download ESL. Book in PDF, ePub and Kindle
Author | : United States. Department of Commerce. Library |
Publisher | : |
Total Pages | : 92 |
Release | : 1971 |
Genre | : United States |
ISBN | : |
Download United States Department of Commerce Publications, Catalog and Index Book in PDF, ePub and Kindle
Author | : United States. Department of Commerce. Office of Publications |
Publisher | : |
Total Pages | : 92 |
Release | : 1971 |
Genre | : Government publications |
ISBN | : |
Download United States Department of Commerce Publications Book in PDF, ePub and Kindle