Item talk:Q227282
From geokb
{
"@context": "http://schema.org/", "@type": "WebPage", "additionalType": "Research", "url": "https://www.usgs.gov/centers/chesapeake-bay-activities/science/new-study-shows-importance-streambank-erosion-and", "headline": "New study shows importance of streambank erosion and floodplain deposition on sediment, phosphorus, and nitrogen sources and transport in the Chesapeake watershed", "datePublished": "August 2, 2022", "author": [ { "@type": "Person", "name": "Gregory Noe", "url": "https://www.usgs.gov/staff-profiles/gregory-noe", "identifier": { "@type": "PropertyValue", "propertyID": "orcid", "value": "0000-0002-6661-2646" } } ], "description": [ { "@type": "TextObject", "text": "Noe, G.B., Hupp, C.R., Schenk, E.R., Doody, T.R., and Hopkins, K.G., 2020, Physico-chemical characteristics and sediment and nutrient fluxes of floodplains, streambanks, and streambeds in the Chesapeake Bay and Delaware River watersheds: U.S. Geological Survey data release, https://doi.org/10.5066/P9QLJYPX." }, { "@type": "TextObject", "text": "Hopkins, K.G., Ahmed, L., Metes, M.J., Claggett, P.R., Lamont, S., and Noe, G.B, 2020, Geomorphometry for Streams and Floodplains in the Chesapeake and Delaware Watersheds: U.S. Geological Survey data release, https://doi.org/10.5066/P9RQJPT1." }, { "@type": "TextObject", "text": "These findings can be useful for prioritizing where and how to improve water quality \u2013 for example, where to restore streams to reduce streambank erosion, or where to restore or conserve floodplains to remove pollutants, to have the biggest impacts on sediment, phosphorus, and nitrogen loads.\nThe findings of this study will be used to improve the next-generation watershed model of the Chesapeake Bay to more accurately reflect where and how much stream erosion and deposition influences pollutant sources and transport." }, { "@type": "TextObject", "text": "Noe, G., K. Hopkins, P. Claggett, E. Schenk, M. Metes, L. Ahmed, T. Doody, and C. Hupp. 2022. Erosional and depositional streams: Measuring and modeling geomorphic change and watershed material budgets. Environmental Research Letters 17: 064015, doi.org/10.1088/1748-9326/ac6e47\nhttps://iopscience.iop.org/article/10.1088/1748-9326/ac6e47\nOpen Access: free to download" }, { "@type": "TextObject", "text": "Noe, G.B., Hopkins, K.G., Metes, M.J., Ahmed, L., Claggett, P.R., Doody, T.R., Schenk, E.R., and Hupp, C.R., 2020, Predictions of floodplain and streambank geomorphic change and flux, streambed characteristics, and catchment inputs and exports of sediment and nutrients for stream reaches in the Chesapeake Bay and Delaware River watersheds: U.S. Geological Survey data release, https://doi.org/10.5066/P93OUWYZ." }, { "@type": "TextObject", "text": "The measurements were used to calculate the amount of sediment and attached nutrients being trapped through floodplain accretion and lost through erosion of streambanks. The USGS then created statistical models to extrapolate these rates to all nontidal streams to better understand the importance of stream geomorphic change to sediment and nutrient transport through the watershed to the Bay." }, { "@type": "TextObject", "text": "To be able to predict rates of stream bank erosion and floodplain deposition across the watershed, the USGS developed new widespread measurements and models. New measurements included long-term rates of stream geomorphic change, sediment characteristics, and the dimensions of stream valleys at 53 sites throughout the Chesapeake watershed (and 15 in the Delaware River watershed) (Figure 1)." }, { "@type": "TextObject", "text": "Issue: As Chesapeake Bay Program partners work to reduce pollution, knowing sources of sediment, phosphorus, and nitrogen transported to the Bay is critical for effective and efficient management. Streams and their associated floodplains have an important influence on the transport of nutrients and sediment through the Chesapeake watershed and into tidal waters. The USGS is conducting investigations to better quantity the erosion and deposition of nutrients and sediment as they are transported through the watershed." } ], "funder": { "@type": "Organization", "name": "Chesapeake Bay Activities", "url": "https://www.usgs.gov/centers/chesapeake-bay-activities" }, "about": [ { "@type": "Thing", "name": "Science Technology" }, { "@type": "Thing", "name": "Fish, Streams, and Water Quality" }, { "@type": "Thing", "name": "Water" }, { "@type": "Thing", "name": "phosphorus" }, { "@type": "Thing", "name": "watershed" }, { "@type": "Thing", "name": "floodplain" }, { "@type": "Thing", "name": "Geology" }, { "@type": "Thing", "name": "Energy" }, { "@type": "Thing", "name": "stream" }, { "@type": "Thing", "name": "erosion" }, { "@type": "Thing", "name": "Water Resources" }, { "@type": "Thing", "name": "Nitrogen" }, { "@type": "Thing", "name": "Chesapeake Bay" }, { "@type": "Thing", "name": "Noe" }, { "@type": "Thing", "name": "Factors Affecting Water Quality" }, { "@type": "Thing", "name": "Landscape Science" }, { "@type": "Thing", "name": "Information Systems" }, { "@type": "Thing", "name": "Methods and Analysis" }, { "@type": "Thing", "name": "Environmental Health" } ]
}