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Region 10: California-Great Basin

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Filter Total Items: 144
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Year Published: 2019

Optical wave gauging using deep neural networks

We develop a remote wave gauging technique to estimate wave height and period from imagery of waves in the surf zone. In this proof-of-concept study, we apply the same framework to three datasets: the first, a set of close-range monochrome infrared (IR) images of individual nearshore waves at Duck, NC, USA; the second, a set of visible (i.e. RGB)...

Buscombe, Daniel; Carini, Roxanne J; Harrison, Shawn; Chickadel, C Chris; Warrick, Jonathan

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Year Published: 2019

Santa Barbara area coastal ecosystem vulnerability assessment

The Santa Barbara Area Coastal Ecosystem Vulnerability Assessment (SBA CEVA) is a multidisciplinary research project that investigates future changes to southern Santa Barbara County climate, beaches, watersheds, wetland habitats and beach ecosystems. The target audience is local land use planners and decision makers. The main objective is to...

Myers, M.R.; Cayan, D.R.; Iacobellis, S.F.; Melack, J.M.; Beighley, R.E.; Barnard, Patrick L.; Dugan, J.E.; Page, H.M.
Myers, M.R., Cayan, D.R., Iacobellis, S.F., Melack, J.M., Beighley, R.E., Barnard, P.L., Dugan, J.E. and Page, H. M., 2017, Santa Barbara area coastal ecosystem vulnerability assessment: California Sea Grant, Report# CASG-17-009, 207 pp., https://caseagrant.ucsd.edu/sites/default/files/SBA-CEVA-final-0917_0.pdf

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Year Published: 2019

Simple metrics predict salt-marsh sediment fluxes

The growth (or decay) of salt marshes depends on suspended-sediment flux into and out of the marsh. Suspended-sediment concentration (SSC) is a key element of the flux, and SSC-based metrics reflect the long-term sediment-flux trajectories of a variety of salt marshes. One metric, the flood–ebb SSC differential, correlates with area-normalized...

Nowacki, Daniel J. ; Ganju, Neil Kamal

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Year Published: 2019

A ship's ballasting history as an indicator of foraminiferal invasion potential--An example from Prince William Sound, Alaska, USA

We investigated the potential role of ballast sediment from coastal and transoceanic oil tankers arriving and de-ballasting in Port Valdez as a vector for the introduction of invasive benthic foraminifera in Prince William Sound, Alaska. Forty-one ballast sediment samples were obtained in 1998-1999 from 11 oil tankers that routinely discharged...

McGann, Mary; Ruiz, Gregory M.; Hines, Anson H.; Smith, George D.

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Year Published: 2019

Refining the Baseline Sediment Budget for the Klamath River, California

Four dams in the Klamath River Hydroelectric Project (KHP) in Oregon and California (Figure 1) are currently scheduled to be removed over a period of a few weeks or months, beginning in January 2021. The Klamath dam removal will be the largest in the world by almost all measures, and is an unprecedented opportunity to advance science of river...

Anderson, Chauncey W.; Wright, Scott A.; Schenk, Liam N.; Skalak, Katherine; Curtis, Jennifer A.; East, Amy E.; Benthem, Adam

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Year Published: 2019

Slough evolution and legacy mercury remobilization induced by wetland restoration in South San Francisco Bay

Coastal wetlands have a long history of degradation and destruction due to human development. Now recognized as one of the most productive ecosystems in the world, substantial efforts are being made to restore this critical habitat. While wetland restoration efforts are generally viewed as beneficial in terms of providing wildlife habitat and...

Foxgrover, Amy C.; Marvin-DiPasquale, Mark C.; Jaffe, Bruce E.; Fregoso, Theresa A.

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Year Published: 2016

Anticipating environmental and environmental-health implications of extreme storms: ARkStorm scenario

The ARkStorm Scenario predicts that a prolonged winter storm event across California would cause extreme precipitation, flooding, winds, physical damages, and economic impacts. This study uses a literature review and geographic information system-based analysis of national and state databases to infer how and where ARkStorm could cause...

Plumlee, Geoffrey S.; Alpers, Charles N.; Morman, Suzette A.; San Juan, Carma A.

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Year Published: 2016

Agricultural damages and losses from ARkStorm scenario flooding in California

Scientists designed the ARkStorm scenario to challenge the preparedness of California communities for widespread flooding with a historical precedence and increased likelihood under climate change. California is an important provider of vegetables, fruits, nuts, and other agricultural products to the nation. This study analyzes the agricultural...

Wein, Anne; Mitchell, David; Peters, Jeff; Rowden, John; Tran, Johnny; Corsi, Alessandra; Dinitz, Laura B.
Wein, A., Mitchell, D., Peters, J., Rowden, J., Tran, J., Corsi, A., and Dinitz, L. (2015). "Agricultural Damages and Losses from ARkStorm Scenario Flooding in California." Nat. Hazards Rev. , 10.1061/(ASCE)NH.1527-6996.0000174 , A4015001

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Year Published: 2016

Regional analysis of social characteristics for evacuation resource planning: ARkStorm scenario

Local planning is insufficient for regional catastrophes; regional exercises are needed to test emergency plans and decision-making structures. The ARkStorm scenario would trigger a mass evacuation that would be complicated by the social characteristics of populations [e.g., vehicle ownership, age, poverty, English language limitation (ELL), and...

Wein, Anne; Ratliff, Jamie L.; Allan Baez; Sleeter, Rachel
Wein, A., Ratliff, J., Báez, A., and Sleeter, R. (2014). "Regional Analysis of Social Characteristics for Evacuation Resource Planning: ARkStorm Scenario." Nat. Hazards Rev. , 10.1061/(ASCE)NH.1527-6996.0000161 , A4014002

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Year Published: 2014

ARkStorm@Tahoe: Stakeholder perspectives on vulnerabilities and preparedness for an extreme storm event in the greater Lake Tahoe, Reno, and Carson City region

Atmospheric rivers (ARs) are strongly linked to extreme winter precipitation events in the Western U.S., accounting for 80 percent of extreme floods in the Sierra Nevada and surrounding lowlands. In 2010, the U.S. Geological Survey developed the ARkStorm extreme storm scenario for California to quantify risks from extreme winter storms and to...

Albano, Christine M.; Cox, Dale A.; Dettinger, Michael D.; Shaller, Kevin; Welborn, Toby L.; McCarthy, Maureen
Albano, C., Cox, D.A., Dettinger, M.D., McCarthy, M., Schaller, K., and Wellborn, T., 2014, ARkStorm@Tahoe--Stakeholder perspectives on vulnerabilities and preparedness for an extreme storm event in the greater Lake Tahoe, Reno, and Carson City region: University of Nevada Cooperative Extension Special Publication-14-16, 43 p. http://environment.unr.edu/publications/ARkStorm_Final_web.pdf

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Year Published: 2012

Design and quantification of an extreme winter storm scenario for emergency preparedness and planning exercises in California

The USGS Multihazards Project is working with numerous agencies to evaluate and plan for hazards and damages that could be caused by extreme winter storms impacting California. Atmospheric and hydrological aspects of a hypothetical storm scenario have been quantified as a basis for estimation of human, infrastructure, economic, and environmental...

Dettinger, M.D.; Martin, Ralph F.; Hughes, M.; Das, Tapash; Neiman, P.; Cox, Dale A.; Estes, G.; Reynolds, D.; Hartman, R.; Cayan, Daniel; Jones, L.

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Year Published: 2011

Overview of the ARkStorm scenario

The U.S. Geological Survey, Multi Hazards Demonstration Project (MHDP) uses hazards science to improve resiliency of communities to natural disasters including earthquakes, tsunamis, wildfires, landslides, floods and coastal erosion. The project engages emergency planners, businesses, universities, government agencies, and others in preparing for...

Porter, Keith; Wein, Anne; Alpers, Charles N.; Baez, Allan; Barnard, Patrick L.; Carter, James; Corsi, Alessandra; Costner, James; Cox, Dale; Das, Tapash; Dettinger, Mike; Done, James; Eadie, Charles; Eymann, Marcia; Ferris, Justin; Gunturi, Prasad; Hughes, Mimi; Jarrett, Robert; Johnson, Laurie; Le-Griffin, Hanh Dam; Mitchell, David; Morman, Suzette; Neiman, Paul; Olsen, Anna; Perry, Suzanne; Plumlee, Geoffrey; Ralph, Martin; Reynolds, David; Rose, Adam; Schaefer, Kathleen; Serakos, Julie; Siembieda, William; Stock, Jonathan D.; Strong, David; Wing, Ian Sue; Tang, Alex; Thomas, Pete; Topping, Ken; Wills, Chris; Jones, Lucile
Overview of the ARkStorm scenario; 2011; OFR; 2010-1312; Porter, Keith; Wein, Anne; Alpers, Charles; Baez, Allan; Barnard, Patrick; Carter, James; Corsi, Alessandra; Costner, James; Cox, Dale; Das, Tapash; Dettinger, Michael; Done, James; Eadie, Charles; Eymann, Marcia; Ferris, Justin; Gunturi, Prasad; Hughes, Mimi; Jarrett, Robert; Johnson, Laurie; Le-Griffin, Hanh Dam; Mitchell, David; Morman, Suzette; Neiman, Paul; Olsen, Anna; Perry, Suzanne; Plumlee, Geoffrey; Ralph, Martin; Reynolds, David; Rose, Adam; Schaefer, Kathleen; Serakos, Julie; Siembieda, William; Stock, Jonathan; Strong, David; Wing, Ian Sue; Tang, Alex; Thomas, Pete; Topping, Ken; Wills, Chris; Jones, Lucile