Last edited by Kigashura
Monday, November 23, 2020 | History

2 edition of Spectral analysis of aeromagnetic data. found in the catalog.

Spectral analysis of aeromagnetic data.

Allan Spector

Spectral analysis of aeromagnetic data.

  • 236 Want to read
  • 30 Currently reading

Published .
Written in English

    Subjects:
  • Magnetic fields -- Measurement,
  • Spectral analysis,
  • Physics Theses

  • Edition Notes

    ContributionsGrant, F. S. (supervisor)
    The Physical Object
    Pagination1 v. (various pagings)
    ID Numbers
    Open LibraryOL18883899M

    Analysis of Aeromagnetic Data across Kebbi State, Nigeria Suleiman Taufiq 1, *, E.E. Udensi 2, S.B. Muhammed 3 layer depth derived from the statistical spectral analysis are the magnetic rocks that intrude the sedimentary formation. An estimated depth ranging from km . C.O. Ofoegbu and K.M. Onuoha, Analysis of magnetic data over theAbakaliki Anticlinorium of the Lower Benue Trough Nigeria. Marine and Petroleum Geology, 8: , [12]. P.I. Olasehinde, “A spectral evaluation of the aeromagnetic anomaly map over part of the Nigerian Basement complex,”Unpublished Ph.D Thesis, University of Ilorin, Analysis of aeromagnetic data for interpretation of seismicity at Fayoum-Cairo area, Egypt. An aeromagnetic reconnaissance study is presented to delineate the subsurface structure and tectonic setting at the Fayoum-Cairo district, which experienced a damaging earthquake on October 12, of magnitude (M = ). spectral analysis Cited by: 1. Jul 23,  · An e-book on Aeromagnetic Surveys: Principles, Practice and Interpretation, authored by Colin Reeves of Earthworks and published by Geosoft, is now available. This new e-book provides a useful guide for non-specialists looking to gain a better understanding of aeromagnetic surveying.

    Scaling Spectral Analysis: A New Tool for Interpretation of Gravity and Magnetic Data A.R. Bansal and V.P. Dimri National Geophysical Research Institute, (CSIR) analyzed the susceptibility data of the KTB super deep main hole and aeromagnetic data over the Southeastern North Sea. The scaling exponent for KTB susceptibility.


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Spectral analysis of aeromagnetic data. by Allan Spector Download PDF EPUB FB2

Spectral analysis of residual magnetic anomalies from aeromagnetic data has been used to estimate the Curie Point Depth (CPD) in the Wikki Warm Spring area Cited by: Jun 03,  · Salem A, Ushijima K, Elsiraft A, Mizunaga H () Spectral analysis of aeromagnetic data for geothermal reconnaissance of Quseir area, northern Red Sea, Egypt.

Proceedings of the world geothermal congress– Google ScholarCited by: Spectral Analysis of Geophysical Data 31 The three expressions in equation (3) are respectively obtained by multiplying both sides of equation (2) by 1 (i.e.

cos 0t), cos nt and sin nt and. SPECTRAL ANALYSIS OF AEROMAGNETIC DATA FOR GEOTHERMAL RECONNAISSANCE OF QUSEIR AREA, NORTHERN RED SEA, EGYPT Ahmed SALEM1, Keisuke USHIJIMA1, Abuelhoda ELSIRAFI2, and Hideki MIZUNAGA1 1 Geophysical Exploration Lab., Faculty of Engineering, Kyushu UniversityHakozaki, Higashi-ku,Fukuoka, Japan 2 Nuclear Materials Authority of.

University of Nigeria Virtual Library Serial No Author 1 ONUOHA, K. Author 2 OFOEGBU, Charics O. Author 3 M. Ahmed Nur. Title Spectral Analysis of Aeromagnetic Data Over the Middle Benue Trough, Nigeria Keywords Description Spectral Analysis of Aeromagnetic Data Over the Middle Benue Trough, Nigeria Category Physical Science Publisher.

Jan 25,  · The aeromagnetic data of Otukpo (sheet ) and Ejekwe (sheet ) areas of the lower Benue Trough of Nigeria were interpreted quantitatively. The quantitative interpretation employed spectral analysis technique with the aim of locating specific basement depths to buried magnetic source rocks in the study area.

First order polynomial fitting was adopted for regional-residual separation of the Cited by: 1. Figure shows the countrywide aeromagnetic anomaly ΔT (ΔT is the modulus difference between the observed geomagnetic field and normal geomagnetic field with the unit of Tesla) on a scale of , which was mapped by China Aero Geophysical Survey & Remote Sensing Center for Land and Resources (AGRS) with reprocessed data in The map represents a collection of.

More precisely, tuned spectral filters can optimize the depth resolution of the result, but they are somewhat more complicated in that they must be designed from spectral analysis of the data.

Strike filters can be used in special situations to suppress or enhance trends. Curie point depth from spectral analysis of aeromagnetic data for geothermal reconnaissance in Afghanistan. spectral analysis of aeromagnetic data from Cerro Prieto geo thermal area, Ba ja. In this study, different digital format data sources including aeromagnetic and remotely sensed (Landsat ETM+) data were used for structural and tectonic interpretation of the southern part of Jordan.

Aeromagnetic data were analyzed using advanced processing techniques (Spectral analysis, deconvolution). The aeromagnetic interpretation was carried out using the analytical signal, horizontal Cited by: 3.

Lagg – Spectral Analysis Spectral Analysis and Time Series Andreas Lagg Part I: fundamentals on time series classification prob. density func. auto­correlation power spectral density cross­correlation applications pre­processing sampling trend removal Part II: Fourier series definition method properties convolution correlations.

Spectral Depth Analysis of part of upper Benue Trough and Bornu Basin, Northeast Nigeria, using Aeromagnetic data. International Journal of Science and Research 2(8).

Adewumi T, Salako KA, Salami MK, Mohammed MA, Udensi EE (). Sedimentary Thickness using Spectral analysis of Aermagnetic data over part of Bornu Basin, Northeast, blackgoldstampede.com: Spectral analysis of aeromagnetic data. book I. Okwokwo, Adebayo A. Adetona, Taiwo Adewumi, Sunday O.

Adediran. The results Spectral analysis of aeromagnetic data. book the analysis of the aeromagnetic data show that, deeper magnetic source ranges from km to km, shallow magnetic sources from km to km.

Areas with shallow sediment thickness could not allow the thermal maturation of the sediments, since temperature increase with depth and a depth of two kilometers and above has Author: Ezekiel Kamureyina. Spectral analysis of aeromagnetic profiles for depth estimation principles, software, and practical application.

Aeromagnetic surveys were flown in parts of the Craig-Dixon Entrance area as early as (Rossman and others, ; Decker, ). These data were flown at 1-mile spacings at elevations ranging from feet to 6, feet above mean sea level. Add tags for "Spectral analysis of the aeromagnetic survey of Harrat Rahat, Kingdom of Saudi Arabia".

Be the first. Spectral analysis of aeromagnetic profiles for depth estimation principles, software, and practical application by I/ H. Sadek, S. Rashad, and H. Blank data processing and analysis. In particular, the method of Fourier spectral analysis has attracted increasing attentionCited by: Feb 14,  · Abstract.

Aeromagnetic data interpretation and induce polarization (IP) method have been integrated, analyzed and interpreted in a view of delineating magnetic minerals within some part of the Southern Bida Basin, blackgoldstampede.com: Ayatu Ojonugwa Usman, Chukwudi Chris Ezeh, Aurelius Ojoina Omali, Augustine Ifeanyi Chinwuko.

Apr 01,  · Read "Spectral analysis of aeromagnetic data for geothermal investigation of Wikki Warm Spring, north-east Nigeria, Geothermics" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Feb 14,  · We performed a geothermal reconnaissance of the lower Benue Trough using aeromagnetic data. Estimates of depths to the bottom of magnetized crust (assumed Curie point depth) were determined from spectral analysis of magnetic blackgoldstampede.com: Ema M. Abraham, Onyekachi E.

Itumoh. Fourier spectral analysis in recent years has become a widely utilized tool for the processing and interpretation of potential field data.

It is particularly well suited to analysis of aeromagnetic maps and profiles, where coverage commonly is of broad scope and statistical treatment is appropriate.

The techniques developed by earlier workers for map data are readily adapted for depth. The purpose of the study is to estimate the curie-temperature depth and heat flow in the southern Bida basin, which is deduced from spectral analysis of aeromagnetic data over the southern Bida basin of west-central Nigeria.

The area covered is about 12, km 2 which lies on coordinates 8°00′N, 6°00′E and 9°00′N, 7°00′E. Abstract. The Curie point depth map of Western Anatolia was constituted from spectral analysis of the aeromagnetic data.

The Curie point depth values from 53 overlapping blocks, 90 × 90 km in size, have been estimated from the band-pass filtered blackgoldstampede.com by: —Power spectra analysis of aeromagnetic data from the southeast North Sea, where the depth to the top of the magnetic sources is reasonably well constrained, indicates that the scaling factor or spectral exponent (β) in an area with thick sediment cover is likely to Cited by: Hence this study deals with an interpretation of the observed aeromagnetic data of some parts of Chad Basin area.

This interpretation is based on application of spectral analysis method. The potential advantage of these methods is that it was used because of its ability to filter. Some Parts Of Lower Benue Trough Using Spectral Analysis Technique David. Igwesi, Marius N Umego ABSTRACT: Four aeromagnetic map sheets of ½ 0 x ½ on a scale of 1:covering some parts of Lower Benue Trough were analysed using spectral techniques to estimate the average depth of magnetic sources.

Aeromagnetic data acquired by the Nigerian Geological Survey Agency and which covers about square kilometer of some parts of onshore Niger Delta, Nigeria, was processed and interpreted with the purpose of determining the depth to basement of the study area, delineating areas suitable for hydrocarbon and mineral accumulation, establishing the basement topography, highlighting the Cited by: 3.

Nov 22,  · Curie Depth Estimation from Aeromagnetic for Fractal Distribution of Sources. Authors; In this chapter Curie depth estimation from aeromagnetic data for fractal distribution of sources will be presented. Agarwal PK, Pandey OP () A spectral analysis of the aeromagnetic profiles for thickness estimation of flood basalts of India Cited by: 5.

Abstract: Two- dimensional techniques for spectral analysis and Hilbert transformation of aeromagnetic data over Jalingo and environs were carried out in order to estimate the average depth to magnetic sources. The result from spectral analysis conducted indicates two source depths.

The deeper magnetic source varies between m to m. Two-dimensional spectral analysis and Hibert transformation of aeromagnetic data over the Upper Benue trough were carried out in order to estimate the depths to magnetic sources and also delineate the major structural patterns in the study area.

The analysis conducted indicates a two-depth source blackgoldstampede.com by: 5. Dec 01,  · Summary. The power spectrum of airborne magnetometer total intensity field profiles can be used to determine average depth values to buried magnetic rocks. TheCited by: Practical issues (effects of noise, choice of the analyzing wavelet, etc.) are addressed.

A field data example corresponding to a near-surface magnetic survey is discussed. Applications to the high-resolution aeromagnetic survey of French Guyana will be discussed in the next paper of the series.

This paper presents a detailed geological interpretation of the aeromagnetic data over Naraguta and environs using 2-D spectral inversion and 3-D Euler deconvolution techniques.

The objectives of the study are to re-evaluate the depth to the magnetic basement and to delineate associated structural features in the study area. Read "TWO‐DIMENSIONAL POWER SPECTRAL ANALYSIS OF AEROMAGNETIC FIELDS *, Geophysical Prospecting" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Spectral Analysis Some Fourier background The background given here is a extremely sketchy (to say the least), for a more thorough background the reader is referred, for example, to Priestley (), Chapter 4 and Fuller (), Chapter 3.

(i) Fourier transforms of finite sequences It is straightforward to show (by using that Pn. Spectral analysis of aeromagnetic data collected over north-central California during the summer of aided in determining magnetic-source bottom depths beneath the survey area.

Five regions of shallow magnetic source bottom depths were detected: 1) Secret Spring Mountain and National Lava Beds Monument area, 2) the Mount Shasta area, 3) theAuthor: Richard W.

Couch, Michael Gemperle. Jul 04,  · DISCUSSIONS The result of the spectral analysis of the aeromagnetic data over Pategi and Egbako identified two main magnetic horizons under the.

Assessment of Heavy Metals concentration in underground water of Kano Industrial Areas and Health risk factor to the Inhabitants.

Mukhtar Lawan Adam 1, Abba Alhaji Bala2 and Sunusi Hussain 1Physics Department, Bayero University, Kano, Nigeria 2Physics Department, Federal University, Dutse, Jigawa state, Nigeria Abstract.

May 05,  · Although contain little theory, the book by Rebecca M. Warner, "Spectral Analysis of Time-Series Data", is an excellent introduction to the main methods of detection and description of cyclical standards series of time.

It presents the main concepts related to theme, as well as their application to social sciences and blackgoldstampede.com by: Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online.

RESULTS The result of the spectral analysis of aeromagnetic data. Geophysical signal analysis is concerned with the detection and a subsequent processing of signals.

Any signal which is varying conveys valuable information. Hence to understand the information embedded in such signals, we need to 'detect' and 'extract data' from such quantities.anomaly and elevation data used are shown in Figure 2.

In the present study, the constrains are derived in spectral domain to understand the crustal structure across NW Himalaya. Methodology. Power spectrum analysis (Dimri ; Blakely ) estimates the mean depth of the interfaces.Spectral analysis offers an interesting addition to other methods of time series analysis.

For those who wish to find more out about it, we strongly recommend the book by C. Chatfield (). It offers a thorough, readable treatment of a difficult, but useful, subject. Data Structure The data are entered in a single variable.

Missing Values.