Item talk:Q265015
From geokb
{
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"@type": "Article",
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"name": "Watershed sediment yield following the 2018 Carr Fire, Whiskeytown National Recreation Area, northern California",
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"value": "10.1029/2021EA001828",
"url": "https://doi.org/10.1029/2021EA001828"
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"journal": {
"@type": "Periodical",
"name": "Earth and Space Science",
"volumeNumber": "8",
"issueNumber": "9"
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"inLanguage": "en",
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"datePublished": "2021",
"dateModified": "2021-10-05",
"abstract": "Wildfire risk has increased in recent decades over many regions, due to warming climate and other factors. Increased sediment export from recently burned landscapes can jeopardize downstream infrastructure and water resources, but physical landscape response to fire has not been quantified for some at-risk areas, including much of northern California, USA. We measured sediment yield from three watersheds (13\u201329\u00a0km2) that drain to Whiskeytown Lake, California, within the area burned by the 2018 Carr Fire. Structure-from-Motion photogrammetry on aerial images combined with sonar bathymetric mapping of submerged areas indicated first-year post-fire sediment yields of 4,080\u00a0\u00b1\u00a0598\u00a0t/km2\u00a0(Brandy Creek), 2,700\u00a0\u00b1\u00a0527\u00a0t/km2\u00a0(Boulder Creek), and 305\u00a0\u00b1\u00a058.0\u00a0t/km2\u00a0(Whiskey Creek)\u2014some of the first post-fire yields measured in northern California and 64, 42, and 4.8 times greater than pre-fire yields, respectively. These were measured during a wet year and resulted largely from rilling erosion and fluvial sediment transport, without post-fire debris flows. Rilling preferentially developed in contact with dirt roads, aided by thin soils and exposed bedrock, and on slopes vegetated by chaparral pre-fire. The second post-fire year (a dry year) was characterized by fluvial reworking and delta progradation of the first-year deposits and relatively little new sediment export. First-year sedimentation of 111,000\u00a0m3\u00a0represented minor loss of storage capacity in Whiskeytown Lake but would be detrimental to smaller reservoirs; in general, increased sediment yields from western US watersheds as fire and extreme rainfall increase will likely pose risks to water quality and storage.",
"description": "e2021EA001828, 24 p.",
"publisher": {
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"name": "American Geophysical Union"
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"author": [
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"@type": "Person",
"name": "Lindsay, Donald N.",
"givenName": "Donald N.",
"familyName": "Lindsay",
"affiliation": [
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"@type": "Organization",
"name": "California Geological Survey"
}
]
},
{
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"name": "McCoy, Scott W.",
"givenName": "Scott W.",
"familyName": "McCoy",
"affiliation": [
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"@type": "Organization",
"name": "University of Nevada, Reno"
}
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{
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"name": "Cavagnaro, David B.",
"givenName": "David B.",
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"affiliation": [
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"name": "University of Nevada, Reno"
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{
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"name": "Lieber-Kotz, Oren",
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"name": "Carleton College"
}
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"name": "Dartnell, Peter",
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"name": "Pacific Coastal and Marine Science Center",
"url": "https://www.usgs.gov/centers/pacific-coastal-and-marine-science-center"
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{
"@type": "Person",
"name": "Logan, Joshua B. jlogan@usgs.gov",
"givenName": "Joshua B.",
"familyName": "Logan",
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"@type": "Person",
"name": "East, Amy E. aeast@usgs.gov",
"givenName": "Amy E.",
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"email": "aeast@usgs.gov",
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"name": "Pacific Coastal and Marine Science Center",
"url": "https://www.usgs.gov/centers/pacific-coastal-and-marine-science-center"
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"name": "Pacific Coastal and Marine Science Center",
"url": "https://www.usgs.gov/centers/pacific-coastal-and-marine-science-center"
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