Download Geophysics of Soil Mapping Using Airborne Gamma-Ray by Stephen David Billings PDF

By Stephen David Billings

Show description

Read or Download Geophysics of Soil Mapping Using Airborne Gamma-Ray Spectrometry(Billings,PhD Thesis, 1998) PDF

Similar geophysics books

Applied Geothermics for Petroleum Engineers

The aim of utilized Geothermics for Petroleum Engineers is to give in a transparent and concise shape equipment of using the knowledge of temperature surveys in deep boreholes in addition to the result of box, laboratory and analytical investigations in geothermics to a large viewers. even though a few elements of the topic of this e-book were mentioned in different prior books and diverse papers, utilized Geothermics for Petroleum Engineers is the 1st ebook in this subject on hand to the petroleum engineering neighborhood.

Antarctic and Subantarctic Pycnogonida: Ammotheidae and Austrodecidae

Concerning the ProductPublished through the yankee Geophysical Union as a part of the Antarctic learn sequence. content material:

Rock Physics & Phase Relations: A Handbook of Physical Constants

In regards to the ProductPublished by way of the yank Geophysical Union as a part of the AGU Reference Shelf sequence. the aim of this instruction manual is to supply, in hugely obtainable shape, chosen serious information for pro and pupil sturdy Earth and planetary geophysicists. assurance of themes and authors have been conscientiously selected to satisfy those ambitions.

Extra resources for Geophysics of Soil Mapping Using Airborne Gamma-Ray Spectrometry(Billings,PhD Thesis, 1998)

Example text

General practice is to interpolate to a grid 30 spacing of one-quarter to one-fifth of the line spacing using one of several commercially available interpolation packages. The interpolation aids both visualisation and interpretation and also enables manipulation within widely available image processing and GIS software. , 1998). 4 SOIL MAPPING USING AIRBORNE GAMMA-RAY SPECTROMETRY Now that I have reviewed the fundamentals of airborne gamma-ray spectrometry I turn to the issue of applying the technique to soil mapping.

Existing techniques for soil survey rely heavily on air-photo interpretation, or in some instances analysis of satellite imagery. On aerial photography, soil landscapes with different sets of attributes are discriminated by differences in colour, tone and texture. However, only the surface of the soil is directly visible and then only when the vegetation is sparse or absent. Therefore, differences in soil properties are generally inferred indirectly from land form and patterns of vegetation. Land forms can be identified on aerial-photographs by their structure, relief, and drainage pattern under stereo viewing and reflect the underlying rocks or materials, the history of weathering, erosion and deposition.

We therefore come to the first objective of the thesis which is addressed in Chapter 3. Objective 1: Develop a model of gamma-ray spectrometry that accounts for the shape of the detector and the movement of the aircraft during the integration time. The assay uncertainty of a survey (ratio of standard deviation to mean value) is important to quantify as it influences the suitability of the data for the intended purpose. For example, the uranium channel in the radiometric data interpreted by Gourlay et al.

Download PDF sample

Rated 4.12 of 5 – based on 38 votes