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Experiments in Reduced Gravity
Sediment Settling on Mars
1st Edition - September 6, 2014
Author: Nikolaus Kuhn
Language: English
Paperback ISBN:9780127999654
9 7 8 - 0 - 1 2 - 7 9 9 9 6 5 - 4
eBook ISBN:9780128004623
9 7 8 - 0 - 1 2 - 8 0 0 4 6 2 - 3
Experiments in Reduced Gravity: Sediment Settling on Mars is the first book to be published that reflects experiments conducted on Martian geomorphology in reduced gravity.…Read more
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Experiments in Reduced Gravity: Sediment Settling on Mars is the first book to be published that reflects experiments conducted on Martian geomorphology in reduced gravity.
This brief yet important book on sediment experiments assesses the theoretical and empirical foundation of the models used to analyze the increasing information we have on the past geography on Mars. The book also evaluates the need to develop new methods for analyzing new information by providing a conceptual outline and a case study on how experiments can be used to test current theoretical considerations. The conceptual approach to identifying the need for and role of experiments will be of interest to planetary scientists and geoscientists not necessarily involved with Mars, but those using experiments in their research who can apply the book’s concepts.
Includes figures, diagrams, illustrations, and photographs to vividly explore experiments and outcomes in reduced gravity
Provides an outline of planned experiments and questions related to Martian geomorphology
Features results from the MarsSedEx 1 Experiment in 2012
Planetary scientists, geologists and sedimentologists
Preface
Acknowledgments
Chapter 1: Sediment, Life, and Models on Mars
Abstract
1.1. Sediments and life on Mars at Gale crater
1.2. Sedimentation and the traces of life on Mars
1.3. Process description in geomorphic models
1.4. Sediment transport models on Mars
Chapter 2: Overview of Mars
Abstract
2.1. Mars and Earth
2.2. Geologic history of Mars
2.3. Researching Mars
Chapter 3: Search for Life on Mars
Abstract
3.1. Prespace age research
3.2. Looking for life on Mars
3.3. Current strategies for Mars exploration
3.4. Looking for sites containing traces of life
Chapter 4: Modeling Sedimentation
Abstract
4.1. Particle settling
4.2. Modeling terminal velocity of settling particles
4.3. Sediment shape and concentration
4.4. Implications of reduced gravity for sediment settling velocity on Mars
Chapter 5: Experiments on Martian Surface Properties and Processes
Abstract
5.1. Experiments in geosciences
5.2. Determining the aim of an experiment
5.3. Simulating settling velocity on Mars
5.4. Designing an experiment for measuring settling velocity onboard a reduced gravity flight
Chapter 6: MarsSedEx I: Instrument Development
Abstract
6.1. Scientific aims and design of the MarsSedEx I instruments
6.2. One-Chamber Settling Tube (OCST) experiment
6.3. Three-Chamber Settling Tube (TCST)
6.4. Structural stability, safety, and feasibility considerations
Chapter 7: Preparing and Flying the MarsSedEx I Research Flight
Abstract
7.1. Getting ready to fly
7.2. MarsSedEx I flight activities
Chapter 8: The Human Dimension of Reduced Gravity
Abstract
8.1. The human dimension
Chapter 9: Key Results of the MarsSedEx I Mission
Abstract
9.1. MarsSedEx I mission objectives
9.2. One-chamber settling tube results
9.3. Three-chamber settling tube results
9.4. Conclusions from MarsSedEx I flights
Chapter 10: MarsSedEx II
Abstract
10.1. Aims and objectives of MarsSedEx II
10.2. Development of MarsSedEx II instruments
10.3. Sediment particle selection
10.4. Set-up and flight plan of the MarsSedEx II
10.5. Problems during the MarsSedEx II flight
Chapter 11: MarsSedEx II Results
Abstract
11.1. Determining model output quality for real sediment
11.2. Measurement of settling velocities for MarsSedEx II
11.3. Replicability of reduced gravity experiments
11.4. Density of spherical particles
11.5. Diameter and settling velocity of basalt spheres
11.6. Particle shape effects on settling velocity
11.7. Settling of “real” Martian sediment
11.8. Summary of MarsSedEx II observations and model results
Chapter 12: Outlook: More Experiments or Better Models for Sedimentation on Mars?
Abstract
12.1. MarsSedEx and surface processes on Mars
12.2. Modeling fluvial processes on Mars
12.3. Moving forward: focus on Martian hydrology
12.4. Linking models from Earth to Mars
Appendix I: Mars Missions
Appendix II: Equations
Appendix III: Research Proposal MarsSedEx II
Appendix IV: MarsSedEx II Flight Plan
No. of pages: 50
Language: English
Edition: 1
Published: September 6, 2014
Imprint: Elsevier
Paperback ISBN: 9780127999654
eBook ISBN: 9780128004623
NK
Nikolaus Kuhn
Nikolaus J. Kuhn, Ph.D., Professor, Physical Geography and Environmental Change, University of Basel. Prof. Kuhn is currently Assistant Editor for Catena, an interdisciplinary journal of soil science, hydrology and geomorphology. As an expert in geographical sciences, Prof. Kuhn has lectured in institutions across the world. In this title he uses his research to focus on surface processes such as soil erosion, geochemical cycles and eco-hydrology. He investigates the wider impact of these processes on the landscape and the planet as a whole, linking Earth Systems Science and Geography.
Affiliations and expertise
Department of Environmental Sciences, University of Basel, Switzerland
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