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Representing the Form and Formation of Earth's Topography Under Natural and Anthropogenic Drivers- [electronic resource]
Representing the Form and Formation of Earth's Topography Under Natural and Anthropogenic ...
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Representing the Form and Formation of Earth's Topography Under Natural and Anthropogenic Drivers- [electronic resource]
자료유형  
 학위논문파일 국외
최종처리일시  
20240214101924
ISBN  
9798380847612
DDC  
551.4
저자명  
Anand, Shashank Kumar.
서명/저자  
Representing the Form and Formation of Earths Topography Under Natural and Anthropogenic Drivers - [electronic resource]
발행사항  
[S.l.]: : Princeton University., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(225 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 85-05, Section: B.
주기사항  
Advisor: Porporato, Amilcare.
학위논문주기  
Thesis (Ph.D.)--Princeton University, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약While the Earth's topography may appear static at a casual glance, it is continuously shaped by diverse geomorphic processes operating across various spatial and temporal scales. These processes leave distinctive spatial patterns of ridges and valleys on natural terrains, influencing the flow and availability of water, energy, and nutrients across the surface and subsurface, thereby impacting overall ecosystem functionality. Given the pivotal role of Earth's dynamic topography, a key question emerges: How do different surface processes transform the land surface, and how can we effectively quantify these changes?In pursuit of this question, this dissertation utilizes a minimal process-based modeling approach, with the use of analytical and numerical methods, dimensional analysis, and model output comparisons with observational data to elucidate the interplay of these geomorphic processes and landform changes. We analyze the effects of hillslope processes of soil creep and landslide erosion in creating smooth, convex to planar hillslope profiles, in contrast to surface runoff, which generates intricate branching patterns of ridges and valleys as it intensifies. In the final section of this thesis, we transition from a geomorphic perspective to a practical examination of soil erosion within human timescales. We evaluate existing experimental methodologies for estimating erosion rates and analyze empirical soil erosion models from a physics-based perspective of sediment transport.
일반주제명  
Geomorphology.
일반주제명  
Computer engineering.
일반주제명  
Soil sciences.
일반주제명  
Environmental engineering.
키워드  
Drainage networks
키워드  
Efficient implicit solver
키워드  
Eikonal equation
키워드  
Landscape evolution modeling
키워드  
Self-similarity
기타저자  
Princeton University Civil and Environmental Engineering
기본자료저록  
Dissertations Abstracts International. 85-05B.
기본자료저록  
Dissertation Abstract International
전자적 위치 및 접속  
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