Projections of Potential Flood Regime Changes in California

Floods have been a recurring theme in California’s climatology, hydrology, and politics throughout its history. Today, California's aging water supply and flood protection infrastructures are challenged by major floods and increased standards for urban flood protection. With warming in the twen...

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Detalles Bibliográficos
Autores: Dettinger, Michael D., Hidalgo León, Hugo G., Das, Tapash, Cayan, Daniel R., Knowles, Noah
Tipo de recurso: informe técnico
Fecha de publicación:2009
País:Costa Rica
Institución:Universidad de Costa Rica
Repositorio:Kérwá
OAI Identifier:oai:kerwa.ucr.ac.cr:10669/29857
Acceso en línea:http://www.energy.ca.gov/2009publications/CEC-500-2009-050/CEC-500-2009-050-D.PDF
https://hdl.handle.net/10669/29857
Access Level:acceso abierto
Palabra clave:California
Floods
Climate Change
Hydrologic change
Simulations
Atmospheric rivers
Sea-level rise
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dc.title.es_ES.fl_str_mv Projections of Potential Flood Regime Changes in California
title Projections of Potential Flood Regime Changes in California
spellingShingle Projections of Potential Flood Regime Changes in California
Dettinger, Michael D.
California
Floods
Climate Change
Hydrologic change
Simulations
Atmospheric rivers
Sea-level rise
title_short Projections of Potential Flood Regime Changes in California
title_full Projections of Potential Flood Regime Changes in California
title_fullStr Projections of Potential Flood Regime Changes in California
title_full_unstemmed Projections of Potential Flood Regime Changes in California
title_sort Projections of Potential Flood Regime Changes in California
dc.creator.none.fl_str_mv Dettinger, Michael D.
Hidalgo León, Hugo G.
Das, Tapash
Cayan, Daniel R.
Knowles, Noah
author Dettinger, Michael D.
author_facet Dettinger, Michael D.
Hidalgo León, Hugo G.
Das, Tapash
Cayan, Daniel R.
Knowles, Noah
author_role author
author2 Hidalgo León, Hugo G.
Das, Tapash
Cayan, Daniel R.
Knowles, Noah
author2_role author
author
author
author
dc.subject.es_ES.fl_str_mv California
Floods
Climate Change
Hydrologic change
Simulations
Atmospheric rivers
Sea-level rise
topic California
Floods
Climate Change
Hydrologic change
Simulations
Atmospheric rivers
Sea-level rise
description Floods have been a recurring theme in California’s climatology, hydrology, and politics throughout its history. Today, California's aging water supply and flood protection infrastructures are challenged by major floods and increased standards for urban flood protection. With warming in the twenty-first century, some changes in California’s flood regimes seem likely: Higher snowlines may well increase the frequency of flooding; occasional larger than historical flood magnitudes are likely to follow—especially from the higher southern parts of the Sierra Nevada; potentials for floods may be exacerbated by wetter winter soils in high-altitude catchments; and opportunities for estuarine and coastal flooding may increase as sea-level rise and flood frequencies converge. Other changes are more difficult to project, and simulation models are used here to weigh competing influences that might either increase or diminish future floods. Both the Variable Infiltration Capacity (VIC) and Bay-Delta Watershed Model (BDWM) hydrologic models responded to downscaled climate-change projections with increases in flood frequencies and magnitudes, but neither yielded large changes in that regard, especially in the northern parts of the state. Future characteristics of major storms, in particular pineapple express or atmospheric river storms, by global climate models indicated changes mostly at the extremes: Years with many atmospheric river storms become more frequent in most climate models analyzed here, but the average number of such storms per year did not change much. Likewise, although the average intensity of storms was not projected to increase much in most climate models, occasional much-larger-than-historical-range storm intensities were simulated
publishDate 2009
dc.date.issued.none.fl_str_mv 2009-03
dc.date.accessioned.none.fl_str_mv 2017-06-01T17:34:42Z
dc.date.available.none.fl_str_mv 2017-06-01T17:34:42Z
dc.type.none.fl_str_mv informe científico
http://purl.org/coar/resource_type/c_18ws
info:eu-repo/semantics/report
format report
dc.identifier.citation.none.fl_str_mv http://www.energy.ca.gov/2009publications/CEC-500-2009-050/CEC-500-2009-050-D.PDF
dc.identifier.other.none.fl_str_mv CEC-500-2009-050-D
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/10669/29857
url http://www.energy.ca.gov/2009publications/CEC-500-2009-050/CEC-500-2009-050-D.PDF
https://hdl.handle.net/10669/29857
identifier_str_mv CEC-500-2009-050-D
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dc.source.es_ES.fl_str_mv California Climate Change Center
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spelling Dettinger, Michael D.e3659247-6626-4b22-990a-561da00e1e6e600Hidalgo León, Hugo G.416e4ac6-79d8-42c8-80c6-9736d1278bbb600Das, Tapash6349dd91-f9f8-4f80-a3e2-7905757e684c600Cayan, Daniel R.b5db5c76-3b38-42b9-87cb-0b0d75e2c16d600Knowles, Noah0fa55d83-0b1e-42bf-bbd7-6619a11bb6c5-12017-06-01T17:34:42Z2017-06-01T17:34:42Z2009-03http://www.energy.ca.gov/2009publications/CEC-500-2009-050/CEC-500-2009-050-D.PDFCEC-500-2009-050-Dhttps://hdl.handle.net/10669/29857Floods have been a recurring theme in California’s climatology, hydrology, and politics throughout its history. Today, California's aging water supply and flood protection infrastructures are challenged by major floods and increased standards for urban flood protection. With warming in the twenty-first century, some changes in California’s flood regimes seem likely: Higher snowlines may well increase the frequency of flooding; occasional larger than historical flood magnitudes are likely to follow—especially from the higher southern parts of the Sierra Nevada; potentials for floods may be exacerbated by wetter winter soils in high-altitude catchments; and opportunities for estuarine and coastal flooding may increase as sea-level rise and flood frequencies converge. Other changes are more difficult to project, and simulation models are used here to weigh competing influences that might either increase or diminish future floods. Both the Variable Infiltration Capacity (VIC) and Bay-Delta Watershed Model (BDWM) hydrologic models responded to downscaled climate-change projections with increases in flood frequencies and magnitudes, but neither yielded large changes in that regard, especially in the northern parts of the state. Future characteristics of major storms, in particular pineapple express or atmospheric river storms, by global climate models indicated changes mostly at the extremes: Years with many atmospheric river storms become more frequent in most climate models analyzed here, but the average number of such storms per year did not change much. Likewise, although the average intensity of storms was not projected to increase much in most climate models, occasional much-larger-than-historical-range storm intensities were simulatedCalifornia Energy Commissionfunded California Climate Change Center, United StatesCALFED Bay-Delta Program-funded Computational Assessments of Scenarios of Change in the Delta Ecosystem (CASCaDE) Project, California, United StatesUniversidad de Costa Rica//UCR/Costa RicaUCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Básicas::Centro de Investigaciones Geofísicas (CIGEFI)en_USacceso abiertohttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessCalifornia Climate Change Centerreponame:Kérwáinstname:Universidad de Costa Ricainstacron:UCRCaliforniaFloodsClimate ChangeHydrologic changeSimulationsAtmospheric riversSea-level riseProjections of Potential Flood Regime Changes in Californiainforme científicohttp://purl.org/coar/resource_type/c_18wsinfo:eu-repo/semantics/reportTHUMBNAILCEC-500-2009-050-D.PDF.jpgCEC-500-2009-050-D.PDF.jpgGenerated Thumbnailimage/jpeg3815https://www.kerwa.ucr.ac.cr/bitstreams/e461e19c-56d1-425b-ae75-7f68e7beec1e/download03fa80f0c50127e8184b25b926b2a2f8MD54TEXTCEC-500-2009-050-D.PDF.txtCEC-500-2009-050-D.PDF.txtExtracted texttext/plain119938https://www.kerwa.ucr.ac.cr/bitstreams/d57a6b9f-dbfa-4b10-8d75-de0c3bcc453e/download3123c9bdaa195c78aa29e6726366f989MD53ORIGINALCEC-500-2009-050-D.PDFCEC-500-2009-050-D.PDFVersión finalapplication/pdf2582478https://www.kerwa.ucr.ac.cr/bitstreams/0bb88cf4-1250-4222-b96c-fb2de9f93a3a/downloadf3fd29fc9b9c4e2abbce4401bc032cf1MD51LICENSElicense.txtlicense.txttext/plain; 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