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Regional Models for Coastal Climate Risk Assessment: Subsurface, Multi-Hazard, and Risk Reduction Perspectives
Regional Models for Coastal Climate Risk Assessment: Subsurface, Multi-Hazard, and Risk Re...
Regional Models for Coastal Climate Risk Assessment: Subsurface, Multi-Hazard, and Risk Reduction Perspectives

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202104744
ISBN  
9798290650142
DDC  
551.22
저자명  
Mongold, Emily Louise.
서명/저자  
Regional Models for Coastal Climate Risk Assessment: Subsurface, Multi-Hazard, and Risk Reduction Perspectives
발행사항  
[Sl] : Stanford University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
292 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Baker, Jack.
학위논문주기  
Thesis (Ph.D.)--Stanford University, 2025.
초록/해제  
요약Climate change is increasing the rates and severity of natural hazards worldwide. With a large portion of the global population living along coasts, increases in hazards, particularly coastal hazards, pose an increasing risk to communities. Better understanding of risk and the uncertainty of that risk is necessary to increase the resilience of our societies as they face increasing stresses. To this end, this dissertation contributes to the following objectives: modeling subsurface conditions including their uncertainty, quantifying climate risk from a multi-hazard perspective, and considering risk reduction techniques and the social outcomes of disasters. Within these broad objectives, each chapter provides specific contributions.The first objective to model subsurface conditions with uncertainty is supported by Chapter 2 which simulates layers of hydraulic conductivity and by Chapter 3 which quantifies regional liquefaction hazard and risk. Both projects utilize detailed soil data from cone penetration tests (U.S. Geological Survey, 2002) to simulate soil properties across the subsurface, considering uncertainty in modeling parameters. Applied to a case study of Alameda, CA, the proposed approach simulates groundwater levels that agree better with empirical data than previous models, giving higher confidence to simulations under sea level rise. In addition, qualitative and quantitative sensitivity studies show the importance of different modeling parameters to inform future application to probabilistic simulations. Chapter 3 expands liquefaction potential index from single point locations to a regional context through a 3D subsurface soil property model. This methodology calculates probabilistic liquefaction risk that considers uncertainty in spatial subsurface properties. These baseline condition and hazard models contain uncertainty that can be propagated through full risk analyses.The second objective to quantify climate risk from a multi-hazard perspective is addressed by Chapter 4. This project defines a multi-hazard framework with statistically independent hazard pathways that are summed to quantify total multi-hazard risk. Climate risk is quantified as the change in multi-hazard risk under scenarios of future climate. For a case study of Alameda, sea level rise risk is quantified as the increase in loss to residential housing under various amounts of sea level rise. This risk can be disaggregated by hazard and assessed spatially to understand which assets have the highest climate risk. Community-level risk can also be tracked over time under different climate scenarios to understand how the increase in risk compares to the levels of climate change. For the Alameda case study, while earthquake and liquefaction risk is dominating at present-day, under 1 m of sea level rise, coastal flooding risk is expected to exceed the annual risk of losses due to earthquake. Climate risk is somewhat localized to neighborhoods with high projections of coastal flood risk, informing areas where adaptation strategies should be prioritized.The third objective to consider social outcomes of disasters and enable risk reduction is met by Chapter 5, which presents a housing recovery model that includes multiple categories of housing including multi-family and rental units, and by Chapter 4, which quantifies risk reduction achieved by different adaptation strategies. The housing recovery model accounts for financing programs available for buildings of various types and tenures, and a case study for a Hayward earthquake event in Alameda, CA, reflect that despite comparable initial damages, multi-family housing takes longer to recover and has a higher rate of not obtaining the necessary financing to repair.
일반주제명  
Earthquakes
일반주제명  
Disaster recovery
일반주제명  
Sensitivity analysis
일반주제명  
Groundwater
일반주제명  
Floods
일반주제명  
Climate change
일반주제명  
Residential buildings
일반주제명  
Tsunamis
기타저자  
Stanford University.
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aMongold,  Emily  Louise.
■24510▼aRegional  Models  for  Coastal  Climate  Risk  Assessment:  Subsurface,  Multi-Hazard,  and  Risk  Reduction  Perspectives
■260    ▼a[Sl]▼bStanford  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a292  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
■500    ▼aAdvisor:  Baker,  Jack.
■5021  ▼aThesis  (Ph.D.)--Stanford  University,  2025.
■520    ▼aClimate  change  is  increasing  the  rates  and  severity  of  natural  hazards  worldwide.  With  a  large  portion  of  the  global  population  living  along  coasts,  increases  in  hazards,  particularly  coastal  hazards,  pose  an  increasing  risk  to  communities.  Better  understanding  of  risk  and  the  uncertainty  of  that  risk  is  necessary  to  increase  the  resilience  of  our  societies  as  they  face  increasing  stresses.  To  this  end,  this  dissertation  contributes  to  the  following  objectives:  modeling  subsurface  conditions  including  their  uncertainty,  quantifying  climate  risk  from  a  multi-hazard  perspective,  and  considering  risk  reduction  techniques  and  the  social  outcomes  of  disasters.  Within  these  broad  objectives,  each  chapter  provides  specific  contributions.The  first  objective  to  model  subsurface  conditions  with  uncertainty  is  supported  by  Chapter  2  which  simulates  layers  of  hydraulic  conductivity  and  by  Chapter  3  which  quantifies  regional  liquefaction  hazard  and  risk.  Both  projects  utilize  detailed  soil  data  from  cone  penetration  tests  (U.S.  Geological  Survey,  2002)  to  simulate  soil  properties  across  the  subsurface,  considering  uncertainty  in  modeling  parameters.  Applied  to  a  case  study  of  Alameda,  CA,  the  proposed  approach  simulates  groundwater  levels  that  agree  better  with  empirical  data  than  previous  models,  giving  higher  confidence  to  simulations  under  sea  level  rise.  In  addition,  qualitative  and  quantitative  sensitivity  studies  show  the  importance  of  different  modeling  parameters  to  inform  future  application  to  probabilistic  simulations.  Chapter  3  expands  liquefaction  potential  index  from  single  point  locations  to  a  regional  context  through  a  3D  subsurface  soil  property  model.  This  methodology  calculates  probabilistic  liquefaction  risk  that  considers  uncertainty  in  spatial  subsurface  properties.  These  baseline  condition  and  hazard  models  contain  uncertainty  that  can  be  propagated  through  full  risk  analyses.The  second  objective  to  quantify  climate  risk  from  a  multi-hazard  perspective  is  addressed  by  Chapter  4.  This  project  defines  a  multi-hazard  framework  with  statistically  independent  hazard  pathways  that  are  summed  to  quantify  total  multi-hazard  risk.  Climate  risk  is  quantified  as  the  change  in  multi-hazard  risk  under  scenarios  of  future  climate.  For  a  case  study  of  Alameda,  sea  level  rise  risk  is  quantified  as  the  increase  in  loss  to  residential  housing  under  various  amounts  of  sea  level  rise.  This  risk  can  be  disaggregated  by  hazard  and  assessed  spatially  to  understand  which  assets  have  the  highest  climate  risk.  Community-level  risk  can  also  be  tracked  over  time  under  different  climate  scenarios  to  understand  how  the  increase  in  risk  compares  to  the  levels  of  climate  change.  For  the  Alameda  case  study,  while  earthquake  and  liquefaction  risk  is  dominating  at  present-day,  under  1  m  of  sea  level  rise,  coastal  flooding  risk  is  expected  to  exceed  the  annual  risk  of  losses  due  to  earthquake.  Climate  risk  is  somewhat  localized  to  neighborhoods  with  high  projections  of  coastal  flood  risk,  informing  areas  where  adaptation  strategies  should  be  prioritized.The  third  objective  to  consider  social  outcomes  of  disasters  and  enable  risk  reduction  is  met  by  Chapter  5,  which  presents  a  housing  recovery  model  that  includes  multiple  categories  of  housing  including  multi-family  and  rental  units,  and  by  Chapter  4,  which  quantifies  risk  reduction  achieved  by  different  adaptation  strategies.  The  housing  recovery  model  accounts  for  financing  programs  available  for  buildings  of  various  types  and  tenures,  and  a  case  study  for  a  Hayward  earthquake  event  in  Alameda,  CA,  reflect  that  despite  comparable  initial  damages,  multi-family  housing  takes  longer  to  recover  and  has  a  higher  rate  of  not  obtaining  the  necessary  financing  to  repair.
■590    ▼aSchool  code:  0212.
■650  4▼aEarthquakes
■650  4▼aDisaster  recovery
■650  4▼aSensitivity  analysis
■650  4▼aGroundwater
■650  4▼aFloods
■650  4▼aClimate  change
■650  4▼aResidential  buildings
■650  4▼aTsunamis
■690    ▼a0404
■71020▼aStanford  University.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0212
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358734▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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