Benthic invertebrates and sediment characteristics in subtidal habitat at Rice Island, Columbia River Estuary, December 1991 and March 1992

Hinton, Susan A.; Emmett, Robert L. (Robert Laurence); McCabe, George T.

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Benthic invertebrates and sediment characteristics in subtidal habitat at Rice Island, Columbia River Estuary, December 1991 and March 1992

1992
By Hinton, Susan A. ; Emmett, Robert L. (Robert Laurence) ; McCabe, George T.

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Details:

Personal Author:

Hinton, Susan A. ; Emmett, Robert L. (Robert Laurence) ; McCabe, George T.

Hinton, Susan A. ; Emmett, Robert L. (Robert Laurence) ; McCabe, George T. Less -
Corporate Authors:

Northwest Fisheries Science Center (U.S.). Coastal Zone and Estuarine Studies Division. ; United States. Army. Corps of Engineers. Portland District.

Northwest Fisheries Science Center (U.S.). Coastal Zone and Estuarine Studies Division. ; United States. Army. Corps of Engineers. Portland District. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

The U.S. Army Corps of Engineers (COE) Portland District is responsible for annually dredging and disposing of more than 2 million ydÂ³ (1.5 million mÂ³) of bottom sediments from the navigation channel between River Miles (RM) 4.4 and 28.8 in the Columbia River estuary. Existing island and shoreline dredgedmaterial disposal sites are nearly filled to capacity, and options for new disposal sites for such large volumes of dredged material are extremely limited. One potential disposal site is the area just north of Rice Island, an island created with dredged material. Proposals for expanding Rice Island with dredged material include creating a 10,000-ft (3,048-m) by 500- to 1,000-ft (152- to 305-m) spit to the north of the present island. The south side of the proposed spit would be about 1,000 ft from the island, creating an island-spit configuration similar to that at Miller Sands, which is slightly upstream from Rice Island.
Keywords:

[+]

Benthos Estuarine Sediments
Format:

PDF
Document Type:

Non-series Report
Funding:

Contract no. E96920018
Place as Subject:

Columbia River Estuary (Or. and Wash.)
License:

https://creativecommons.org/publicdomain/zero/1.0/
Rights Information:

CC0 Public Domain
Compliance:

Library
Main Document Checksum:

[+]

urn:sha256:4d0d0a10a05b94515ce2cff33ab8442d7554a17a37495a69c6381d8898347ee9
Download URL:

https://repository.library.noaa.gov/view/noaa/56383/noaa_56383_DS1.pdf
File Type:

Machine Readable Version (JSON)

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