1.

Record Nr.

UNISA996499861103316

Titolo

X-ray imaging of the soil porous architecture / / Sacha Jon Mooney [and three others], editors

Pubbl/distr/stampa

Cham, Switzerland : , : Springer, , [2022]

©2022

ISBN

3-031-12176-7

Descrizione fisica

1 online resource (232 pages)

Disciplina

624.15136

Soggetti

Soil mechanics

Imaging systems in geology

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Intro -- Foreword -- Acknowledgements -- Contents -- Chapter 1: 40 Years of X-ray CT in Soil: Historical Context -- 1.1 Introduction -- References -- Chapter 2: Practicalities of X-ray CT Scanning for the Soil Sciences -- 2.1 Introduction -- 2.2 Manufacturers of μCT Systems -- 2.3 X-ray Sources -- 2.4 Detectors -- 2.5 Obtaining High-Resolution Images -- 2.6 Image Quality -- 2.7 Sample Manipulator -- 2.8 Configurations -- 2.8.1 Cabinet or Enclosure? -- 2.8.2 CT Scanning Methods -- 2.8.3 Software -- 2.9 Overcoming CT Artefacts -- 2.10 Evaluating a Potential X-Ray CT System -- References -- Chapter 3: Soil Sampling and Preparation for X-ray Imaging -- 3.1 Introduction -- 3.2 The Main Steps for Successful Sampling -- 3.2.1 What is the Aim of the Sampling -- 3.2.2 Where to Sample -- 3.2.3 Determining Sample Size -- 3.2.4 How to Orientate the Sample -- 3.2.5 Number of Samples -- 3.2.6 When to Sample -- 3.2.7 How to Sample -- 3.2.8 How to Document, Transport, and Store Samples -- 3.3 Representative Elementary Volume -- 3.4 Geospatial Sampling -- 3.5 Sample Preparation -- 3.5.1 Preliminary Laboratory Analysis -- 3.6 Conclusions -- References -- Chapter 4: Optimising the Scanning Process: Demystifying the Dark Art of Optimising Microtomography Scan Settings -- 4.1 Introduction -- 4.2 Preparing the Sample -- 4.3 Optimising the Image -- 4.3.1 Positioning the Sample in the Scanner -- 4.3.2 X-ray Voltage and Current -- 4.3.3 Detector Settings -- 4.4



Acquisition Modes -- 4.5 Conclusions -- References -- Chapter 5: X-ray Computed Tomography Image Processing &amp -- Segmentation: A Case Study Applying Machine Learning and Deep Learning... -- 5.1 Image Processing: Cropping and Filtering -- 5.2 Image Segmentation -- 5.2.1 Global Segmentation -- 5.2.2 Local Segmentation -- 5.2.3 Machine Learning-Based Segmentation as a Solution to New X-ray CT Imaging Challenges.

5.3 An X-ray CT Image Segmentation Protocol Based on Machine Learning and Deep Learning Strategies: A Case Study -- 5.3.1 X-ray CT Image Acquisition and Preparation for the Machine Learning Pipeline -- 5.3.2 Machine Learning Pipeline -- 5.3.3 Deep Learning Pipeline -- 5.4 Conclusions -- References -- Chapter 6: Quantification of Soil Porous Architecture -- 6.1 Introduction -- 6.2 Quantification of Pore Structure -- 6.2.1 Metrics Based on Binary Image -- 6.2.2 Metrics Based on Connected Components -- 6.2.3 Metrics Based on Distance -- 6.2.4 Metrics Based on Pore Size -- 6.2.5 Case Study on Tillage-Induced Pore Structure -- 6.3 Scale Issues in Pore Structure Characterization -- 6.4 Correlative Imaging -- 6.4.1 Practical Issues -- 6.4.2 Software Implementations -- 6.5 Conclusions -- References -- Chapter 7: X-ray Computed Tomography for Studying Solute Transport in Soils -- 7.1 Introduction -- 7.2 Methods to Study Solute and Water Transport in Soils -- 7.3 CT Scanning for Estimating Solute and Water Transport -- 7.4 Limitations of CT Techniques for Estimating Water and Solute Transport through Soil -- 7.5 Conclusions -- References -- Chapter 8: X-ray Imaging of Mechanical Processes in Soil -- 8.1 Introduction -- 8.2 X-ray CT in Relation to Tillage -- 8.2.1 Visualisation and Evaluation of Seedling Growing Conditions Produced by Tillage -- 8.2.2 Macropore Structure and Functioning Affected by Tillage/no-Tillage -- 8.2.3 Using X-Ray CT to Predict Soil Fragmentation from Tillage -- 8.3 Soil Compaction Due to Traffic -- 8.3.1 Identification of the Long-term Effects of Soil Compaction -- 8.3.2 Segmentation and Compaction -- 8.3.3 From Soil Displacement to Stress Transmission -- 8.4 Visualisation of Soil Deformation -- 8.5 Conclusions -- References -- Chapter 9: X-ray Imaging of Root-Soil Interactions -- 9.1 Introduction -- 9.2 General Overview and Drawbacks.

9.3 X-ray Dose -- 9.4 Opportunity In Situ over Time -- 9.5 Root Segmentation -- 9.6 Root System Architecture and Root Traits -- 9.7 Mutual Interaction of Roots and Soil Structure -- 9.8 Compacted Soils -- 9.8.1 Compaction of the Rhizosphere -- 9.8.2 Root-Soil Contact -- 9.9 Interaction with (Micro)Organisms -- 9.10 The Impact of Nutrition on Root Growth -- 9.11 Image-Based Modelling -- 9.11.1 Explicit Models -- 9.11.2 Root System Architecture (RSA) as Input for Models -- 9.12 Conclusions -- References -- Chapter 10: X-ray Computed Tomography Imaging &amp -- Soil Biology -- 10.1 Introduction -- 10.2 Soil Meso-Fauna and X-ray CT -- 10.3 Soil Microorganisms and X-ray CT -- 10.4 Indirect Use of CT to Observe the Outcomes of Microbial Activities -- 10.5 Effect of CT Scanning on Soil Organisms -- 10.6 CT and Soil Organic Matter Visualization -- 10.7 Conclusions -- References -- Chapter 11: Integrating X-ray CT Data into Models -- 11.1 Introduction -- 11.2 Direct Integration of X-ray CT Data-Derived Soil Phases into Image-Based Models -- 11.2.1 Integration of X-ray CT Data of Pore Space Geometry -- 11.2.2 Integration of X-ray CT Data of Air-Water Distribution -- 11.2.3 Integration of X-ray CT Data of Solid Organic Matter Distribution -- 11.2.4 Integration of X-ray CT Data of Roots -- 11.3 Overview of Image-Based Modelling Works -- 11.3.1 Modelling of Soil Physical Processes -- 11.3.1.1 Saturated Water Conditions -- 11.3.1.2 Unsaturated Water Conditions -- 11.3.2 Modelling of Biological Processes -- 11.3.2.1 Modelling of Microbial



Activity -- 11.3.2.2 Modelling of Root Processes -- 11.4 Conclusions -- References -- Chapter 12: Future Perspectives -- 12.1 Introduction -- 12.2 Conclusions -- References.

2.

Record Nr.

UNINA9910716981603321

Autore

Hammarstrom Jane Marie

Titolo

Porphyry copper assessment of East and Southeast Asia : Philippines, Taiwan (Republic of China), Republic of Korea (South Korea), and Japan / / by Jane M. Hammarstrom [and twelve others]

Pubbl/distr/stampa

Reston, Virginia : , : U.S. Department of the Interior, U.S. Geological Survey, , 2014

Descrizione fisica

1 online resource (xiii, 243 pages) : color illustrations, color maps

Collana

Scientific investigations report ; ; 2010-5090-P

Soggetti

Copper - Philippines

Copper - Taiwan

Copper - Korea (South)

Copper - Japan

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

"Prepared in cooperation with the Coordinating Committee for Geoscience Programmes in East and Southeast Asia."

Includes GIS data.

Nota di bibliografia

Includes bibliographical references.



3.

Record Nr.

UNICASPUV0257895

Titolo

2 / Eduard Meyer

Pubbl/distr/stampa

Halle, Saale, : Verlag von Max Niemeyer, 1924

Descrizione fisica

IV, 595 p. ; 23 cm.

Lingua di pubblicazione

Tedesco

Formato

Materiale a stampa

Livello bibliografico

Monografia