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Exploration of Natural Climate Variability and Changes in Future Extreme Events Using Observations, Proxy Data and Model Simulations
Exploration of Natural Climate Variability and Changes in Future Extreme Events Using Observations, Proxy Data and Model Simulations
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202103616
- ISBN
- 9798286446001
- DDC
- 363
- 서명/저자
- Exploration of Natural Climate Variability and Changes in Future Extreme Events Using Observations, Proxy Data and Model Simulations
- 발행사항
- [Sl] : University of Minnesota, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 229 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-12, Section: A.
- 주기사항
- Advisor: Steinman, Byron A.
- 학위논문주기
- Thesis (Ph.D.)--University of Minnesota, 2025.
- 초록/해제
- 요약Human evolution and civilization are deeply interlinked with the environmental and climatic context of the planet in which they developed and continue to unfold. The principal concerns of this dissertation lie in exploring the connection and interplay between changes in Earth's climate-comprising the physical interactions and states of the atmosphere,biosphere, hydrosphere, and cryosphere-in response to two main drivers: externally forced changes, such as those caused by human activities, volcanic eruptions, and the planet's orbital configuration; and internally generated changes arising from the natural interactions among these Earth systems. Herein I attempt to make a contribution to the current understanding of the history of the recent past as it relates to natural climatic changes by making use of my expertise as a geologist and experience in the field of paleoclimatology to meld proxy data (i.e., indirect measurements of past environmental change through archives such as ice, sediments or corals) with large datasets comprised of model simulations. Additionally, I utilize some of the data science and visualization techniques I produced to explore a state-of-the-art, high-resolution dataset developed by the Minnesota Climate Adaptation Partnership (MCAP) to generate statistical projections of extreme climate events.Chapters 1 and 2 focus on relative contributions of external forcing and internal variability to climate change during the pre-industrial last millennium (850 - 1850 CE), an era in which anthropogenic changes had not yet taken over and other phenomena were dominant. Using observational data, paleoclimate proxy records and climate model simulations, we assess the evidence for natural, internally generated climate oscillations on multidecadal timescales (~50-80 years) and evaluate whether external forcing mechanisms, principally volcanic eruptions, are to blame for apparent oscillatory behavior, with a focus on the North Atlantic Ocean and surrounding land areas. Chapter 3 focuses on the future, aiming to characterize how extreme precipitation events-among the most impactful weather phenomena in Minnesota, particularly in relation to flooding and infrastructure design-may change in response to both natural and human-induced climate change.
- 일반주제명
- Climate change
- 일반주제명
- Paleoclimate science
- 일반주제명
- Environmental science
- 키워드
- External forcing
- 기타저자
- University of Minnesota Earth Sciences
- 기본자료저록
- Dissertations Abstracts International. 86-12A.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
008260126s2025 us c eng d■001000017357904
■00520260202103616
■006m o d
■007cr#unu||||||||
■020 ▼a9798286446001
■035 ▼a(MiAaPQ)AAI32044501
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a363
■1001 ▼aFernandez, Alejandro.
■24510▼aExploration of Natural Climate Variability and Changes in Future Extreme Events Using Observations, Proxy Data and Model Simulations
■260 ▼a[Sl]▼bUniversity of Minnesota▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a229 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-12, Section: A.
■500 ▼aAdvisor: Steinman, Byron A.
■5021 ▼aThesis (Ph.D.)--University of Minnesota, 2025.
■520 ▼aHuman evolution and civilization are deeply interlinked with the environmental and climatic context of the planet in which they developed and continue to unfold. The principal concerns of this dissertation lie in exploring the connection and interplay between changes in Earth's climate-comprising the physical interactions and states of the atmosphere,biosphere, hydrosphere, and cryosphere-in response to two main drivers: externally forced changes, such as those caused by human activities, volcanic eruptions, and the planet's orbital configuration; and internally generated changes arising from the natural interactions among these Earth systems. Herein I attempt to make a contribution to the current understanding of the history of the recent past as it relates to natural climatic changes by making use of my expertise as a geologist and experience in the field of paleoclimatology to meld proxy data (i.e., indirect measurements of past environmental change through archives such as ice, sediments or corals) with large datasets comprised of model simulations. Additionally, I utilize some of the data science and visualization techniques I produced to explore a state-of-the-art, high-resolution dataset developed by the Minnesota Climate Adaptation Partnership (MCAP) to generate statistical projections of extreme climate events.Chapters 1 and 2 focus on relative contributions of external forcing and internal variability to climate change during the pre-industrial last millennium (850 - 1850 CE), an era in which anthropogenic changes had not yet taken over and other phenomena were dominant. Using observational data, paleoclimate proxy records and climate model simulations, we assess the evidence for natural, internally generated climate oscillations on multidecadal timescales (~50-80 years) and evaluate whether external forcing mechanisms, principally volcanic eruptions, are to blame for apparent oscillatory behavior, with a focus on the North Atlantic Ocean and surrounding land areas. Chapter 3 focuses on the future, aiming to characterize how extreme precipitation events-among the most impactful weather phenomena in Minnesota, particularly in relation to flooding and infrastructure design-may change in response to both natural and human-induced climate change.
■590 ▼aSchool code: 0130.
■650 4▼aClimate change
■650 4▼aPaleoclimate science
■650 4▼aEnvironmental science
■653 ▼aAtlantic multidecadal variability
■653 ▼aClimate projection
■653 ▼aExternal forcing
■653 ▼aExtreme precipitation
■653 ▼aInternal variability
■690 ▼a0404
■690 ▼a0653
■690 ▼a0768
■690 ▼a0501
■71020▼aUniversity of Minnesota▼bEarth Sciences.
■7730 ▼tDissertations Abstracts International▼g86-12A.
■790 ▼a0130
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357904▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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