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The sedimentary environment

Simon F. Thrush, Judi E. Hewitt, Conrad A. Pilditch, and Alf Norkko

in Ecology of Coastal Marine Sediments: Form, Function, and Change in the Anthropocene

Published in print:
2021
Published Online:
March 2021
ISBN:
9780198804765
eISBN:
9780191843044
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198804765.003.0001
Subject:
Biology, Aquatic Biology, Ecology

This chapter introduces the roles of sediment properties and hydrodynamic conditions in influencing soft-sediment communities. It identifies environmental factors that are commonly used to ... More


X-ray diffraction of polycrystalline materials

Christopher Hammond

in The Basics of Crystallography and Diffraction

Published in print:
2015
Published Online:
August 2015
ISBN:
9780198738671
eISBN:
9780191801938
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198738671.003.0010
Subject:
Physics, Crystallography: Physics, Condensed Matter Physics / Materials

Chapter 10 begins by considering the geometrical basis of polycrystalline (powder) X-ray diffraction techniques, i.e. the focusing circle, focusing, and semi-focusing methods. It then considers the ... More


Describing Assemblages of Sediment-living Organisms

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0007
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

One of the most fruitful aspects of ecological research is the search for common patterns in the bewildering variability of nature. Given current concerns about global warming, climate change, and ... More


Functional Diversity of Benthic Assemblages

John S. Gray and Michael Elliott

in Ecology of Marine Sediments: From Science to Management

Published in print:
2009
Published Online:
November 2020
ISBN:
9780198569015
eISBN:
9780191916717
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198569015.003.0009
Subject:
Earth Sciences and Geography, Oceanography and Hydrology

Now that we have discussed how assemblages of marine soft sediments are structured, we need to consider functional aspects. There are a few main interrelationships that need to be discussed here— ... More


Correspondence Analysis in Heavy Mineral Interpretation

J. Tourenq and V. Rohrlich

in Computers in Geology - 25 Years of Progress

Published in print:
1994
Published Online:
November 2020
ISBN:
9780195085938
eISBN:
9780197560525
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195085938.003.0010
Subject:
Computer Science, Software Engineering

Correspondence analysis, a non-parametric principal component analysis, has been used to analyze heavy mineral data so that variations between both samples and minerals can be studied ... More


Automated Correlation Based on Markov Analysis of Vertical Successions and Walther’s Law

D.R. Collins and J.H. Doveton

in Computers in Geology - 25 Years of Progress

Published in print:
1994
Published Online:
November 2020
ISBN:
9780195085938
eISBN:
9780197560525
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195085938.003.0015
Subject:
Computer Science, Software Engineering

Walther's Law of Facies (1894) states that facies overlying one another comformably were formed in geographically contiguous environments. This vertical-lateral linkage is the basis for our ... More


A Solution to the Percentage -Data Problem in Petrology

E. H. Timothy Whitten

in Computers in Geology - 25 Years of Progress

Published in print:
1994
Published Online:
November 2020
ISBN:
9780195085938
eISBN:
9780197560525
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195085938.003.0021
Subject:
Computer Science, Software Engineering

Statisticians have demonstrated the iriappropriateness of percentage data for petrological purposes except when transformations (e.g., log-ratios) are used to avoid inherent closure. Use of open ... More


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