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Keywords Chesapeake Bay estuaries sediments radiocarbon Holocene. Abstract Rapidly accumulating Holocene sediments in estuaries commonly are difficult to sample and date.

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GlennJ. Geological Survey Water Supply Paper Log in options will check for institutional or personal access. Debra Willard. Our two relatively deep-water sites in the axial channel of the bay have different long-term average accumulation rates, but the history of sediment accumulation at these sites appears to reflect overall conditions in the bay.

Hostname: -component-5bd5fcfnzph Total loading time: 0. Quaternary Research 18 ColmanS. FletcherC. CooperS. Chesapeake Bay watershed historical land use: Impact on water quality and diatom communities. Climatic variability in the eastern United States over the past millennium from Chesapeake Bay sediments. Peter R. Show author details.


Quaternary Research. Alert. BrushG. Patterns of recent sediment accumulation in Chesapeake Bay Maryland—U.

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Carbon in these sediments is a complex mixture of materials from a variety of sources. John F. Bratton .

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Article contents Abstract References. Type Research Article. Mollusk shells clams, oysters and foraminifera appear to give reliablealthough reworking and burrowing are potential problems. John P. McGeehin. Ecological Applications 5 Long-term history of Chesapeake Bay anoxia.

Andrew R. Zimmerman and. Content may require purchase if you do not have access. Copyright University of Washington. Chemical Geology 44 CrossRef Google Scholar.

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Colman Affiliation: U. Baucom Affiliation: U. Bratton Affiliation: U. Cronin Affiliation: U. McGeehin Affiliation: U. Debra Willard Affiliation: U. Corresponding E-mail address: scolman usgs. Log in.

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Analyses of museum specimens collected alive before atmospheric nuclear testing suggest that the standard reservoir correction for marine samples is appropriate for middle to lower Chesapeake Bay. The biogenic carbonate radiocarbon ages are compatible with Pb and Cs data and pollen stratigraphy from the same sites. At shallow water sites, local factors seem to control changes in accumulation rates with time.

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Steven M. Colman. Access options Get access to the full version of this content by using one of the access options below. Post-settlement changes in sediment transport and accumulation is an important environmental issue in many estuaries, including the Chesapeake. Pattie C. Baucom. Google Scholar.

Geology 28 DonoghueJ. F Trends in Chesapeake Bay sedimentation rates during the late Holocene. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Journal of the Washington Academy of Sciences 76 Rates and patterns of estuarine sediment accumulation. Quaternary Research 34 EllisonR. Modern and itolocene foraminifera in the Chesapeake Bay region. View all Google Scholar citations for this article.

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Get access Share. Quaternary Research 22 Comparison of Pb and pollen methods for determining rates of estuarine sediment accumulation. Maritime Sediments Special Publication 1pp. Science A 2,year history of anoxia and eutrophication in Chesapeake Bay. Estuaries 16 CornwellJ. A sediment chronology of the eutrophication of Chesapeake Bay. Estuaries 19 CroninT.

Interdisciplinary environmental project probes Chesapeake Bay down to the core.

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Thomas M. Cronin. Mass accumulation rates at the two deep-water sites rapidly increased by about fourfold coincident with widespread land clearance for agriculture in the Chesapeake watershed. Close this message to accept cookies or find out how to manage your cookie settings. Article Metrics. Limnology and Oceanography 34 Stratigraphic evidence of human disturbance in an estuary.

Published online by Cambridge University Press: 20 January Rapidly accumulating Holocene sediments in estuaries commonly are difficult to sample and date. Analyses of different components of the sediments show that total organic carbon ages are largely unreliable, because much of the carbon including coal has been transported to the bay from upstream sources and is older than sediments in which it was deposited.

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Our data show that large variations in sediment mass accumulation rates occur among sites. BaucomP. CColmanS. MBrattonJ. II Descriptions and physical properties of selected cores collected in Chesapeake Bay in and Geological Survey Open-File Report, pp. Geology and paleoecology of Chesapeake Bay: A long-term monitoring tool for management.

In Chesapeake Bay, we obtained sediment cores as much as 20 m in length and used numerous radiocarbon ages measured by accelerator mass spectrometry methods to provide the first detailed chronologies of Holocene sediment accumulation in the bay.