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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 Obse...
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
저자명  
Fernandez, Alejandro.
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  
Atlantic multidecadal variability
키워드  
Climate projection
키워드  
External forcing
키워드  
Extreme precipitation
키워드  
Internal variability
기타저자  
University of Minnesota Earth Sciences
기본자료저록  
Dissertations Abstracts International. 86-12A.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■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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