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Friday, October 9, 2020 | History

2 edition of Sediment oxygen demand in the Tualatin River Basin, Oregon, 1992-96 found in the catalog.

Sediment oxygen demand in the Tualatin River Basin, Oregon, 1992-96

Stewart Rounds

Sediment oxygen demand in the Tualatin River Basin, Oregon, 1992-96

by Stewart Rounds

  • 320 Want to read
  • 6 Currently reading

Published by U.S. Dept. of the Interior, U.S. Geological Survey, U.S. Geological Survey, Branch of Information Service in Portland, Or, Denver, Colo .
Written in English

    Places:
  • Tualatin River Watershed (Or.),
  • Oregon,
  • Tualatin River Watershed.
    • Subjects:
    • Water -- Dissolved oxygen -- Oregon -- Tualatin River Watershed.,
    • River sediments -- Oregon -- Tualatin River Watershed.,
    • Tualatin River Watershed (Or.)

    • Edition Notes

      Includes bibliographical references (p. 18-19).

      Statementby Stewart A. Rounds and Micelis C. Doyle ; prepared in cooperation with the Unified Sewerage Agency of Washington County, Oregon.
      SeriesWater-resources investigations report ;, 97-4103
      ContributionsDoyle, Micelis C., Washington County (Or.). Unified Sewerage Agency.
      Classifications
      LC ClassificationsGB701 .W375 no. 97-4103, TD224.O7 .W375 no. 97-4103
      The Physical Object
      Paginationiv, 19 p. :
      Number of Pages19
      ID Numbers
      Open LibraryOL301098M
      LC Control Number97208338

        2 Sediment Oxygen Demand Measurement Ideally, four opaque cylindrical sediment contact chambers with open bottoms are deployed into the sediment and a DO probe is inserted into each chamber and the chamber is sealed off (Figure 1) (Murphy & Hicks, ). LSASD utilizes various size chambers that all have a volume (in liters) to surface area (m. 2. Monitoring sediment oxygen demand for assessment of dissolved oxygen distribution in river Author: Liu, Wen-Cheng, Chen, Wei-Bo Source: Environmental monitoring and assessment v no.9 pp. ISSN.

      Sediment oxygen demand (hereafter referred to as SOD) and water column respiration both contribute to oxygen depletlon in the lower layers of natural water bodies such as rivers, lakes, reservoirs, ponds and embayments. SOD ls a dominant sink of dissolved oxygen in certain rivers (Hanes and Irvine, ), in. oxygen demand (BOD) of the decomposition process. BOD exerts an oxygen demand in the water column and contributes to biotic and abiotic oxygen demand in the sediments (Lee, ). As the organic matter decays, aerobic bacteria deplete the available oxygen within the lower water column at a faster rate than oxygen diffusion from surface waters.

      USA1 US13/, USA USA1 US A1 US A1 US A1 US A US A US A US A1 US A1 US A1 Authority US United States Prior art keywords dissolved oxygen profile aquatic measurement probe Prior art date Legal status (The . Dr. Rounds joined the U.S. Geological Survey in and worked on a wide variety of studies, with a focus on water-quality monitoring and modeling of rivers and lakes around Oregon. In , Stewart retired and continues to volunteer with USGS as a Scientist Emeritus.


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Sediment oxygen demand in the Tualatin River Basin, Oregon, 1992-96 by Stewart Rounds Download PDF EPUB FB2

Sediment Oxygen Demand in the Tualatin River Basin, Oregon, By Stewart A. Sediment oxygen demand in the Tualatin River Basin and Micelis C. Doyle Abstract Sediment oxygen demand (SOD) rates were measured by U.S.

Geological Survey (USGS) per­ sonnel at 20 stream sites in the Tualatin River Basin from through as part of an inves­ tigation into the sources and sinks of Cited by: Sediment oxygen demand in the Tualatin River Basin, Oregon, (Water-resources investigations report) [Rounds, Stewart] on *FREE* shipping on qualifying offers.

Sediment oxygen demand in the Tualatin River Basin, Oregon, (Water-resources investigations report). Sediment oxygen demand in the Tualatin River basin, Oregon, (SuDoc I /) [Stewart Rounds] on *FREE* shipping on qualifying : Stewart Rounds. Sediment oxygen demand (SOD) rates were measured by U.S.

Geological Survey (USGS) personnel at 20 stream sites in the Tualatin River Basin from through as part of an investigation into the sources and sinks of dissolved oxygen in the Tualatin River.

During the low-flow summer periods of through97 measurements were collected at 9 sites on the main stem of the river between. Sediment oxygen demand in the Tualatin River Basin, Oregon, (Water-resources investigations report) [Stewart Rounds] on *FREE* shipping on qualifying offers.

Buy Sediment oxygen demand in the Tualatin River basin, Oregon, (SuDoc I /) by Stewart Rounds (ISBN:) from Amazon's Book Author: Stewart Rounds.

Evidence for resuspended material exerting an elevated oxygen demand is provided by a study on the Tualatin River Basin (Oregon), whereby Doyle and Rounds () observed average SOD values of g O 2 m 2 day −1 at mixing velocities below the threshold for sediment re-suspension, and g O 2 m 2 day −1 at mixing velocities above the.

Sediment Oxygen Demand in the Tualatin River Basin, Oregon, U.S. Geological Sur-vey Report Water Quality Assessment of Lower Rapid Creek Near Rapid City, South Dakota.

This paper presents new knowledge on the role of sediment‐associated organic matter in controlling the supply of dissolved oxygen to incubating salmon embryos within gravel river beds.

We report a new approach to the measurement of sediment oxygen demand (SOD) from interstitial sediments accumulated within salmon redds and demonstrate this. Sediment oxygen demand (SOD) is a major oxygen sink, in addition to respiration by aquatic plants and the oxidation of organic materials and other reduced matters in the water column.

SOD has been The Ziya River Watershed is located in the south of the Hai River Basin, China (Figure1). mand in the Tualatin River Basin, Oregon, U.S. Geo- Book. Full-text available. Oxygen demand from sediment (SOD) for a river typically has two states-diffusion limited SOD (SOD. Buy Sediment oxygen demand in the Tualatin River Basin, Oregon, (Water-resources investigations report) by Stewart Rounds (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : Stewart Rounds. Sediment Oxygen Demand The estimated sediment oxygen demand rates for Quahog Bay and the New Meadows River ranged from g O 2/m2day at station QHG2 to g O 2/m2day for the highest rates which were measured at station 5NEWM at the Marina in the New Meadows River.

Three stations in the New Meadows river are considered to be in the high. Rounds, S.A. and Wood, T.M.,Using CE-QUAL-W2 to assess the ammonia assimilative capacity of the Tualatin River, Oregon, in Proceedings of the First Federal Interagency Hydrologic Modeling.

Year Published: Upstream factors affecting Tualatin River algae—Tracking the Anabaena algae bloom to Wapato Lake, Oregon. Significant Findings A large bloom that included floating mats of the blue-green algae Anabaena flos-aquae occurred in the lower 20 miles of the Tualatin River in northwestern Oregon between July 7 and J   Low dissolved oxygen (DO) levels often occur during summer in tidal creeks along the southeastern coast of the USA.

We analyzed rates of oxygen loss as water-column biochemical oxygen demand (BOD5) and sediment oxygen flux (SOF) at selected tidal creek sites monthly over a 1-year period.

Ancillary physical, chemical and biological data were collected to identify factors related to oxygen. Sediment oxygen demand flux, g/m 2 s. Time, s. Water temperature, °C. t 1. Sediment oxygen demand in the Tualatin River basin, Oregon, –96 (Water-Resources Investigations Report ).

Portland, OR: U.S. Geological Survey. Volume 2D – Revised baseline modeling report: Hudson River PCBs reassessment RI/FS, Book 3 of 4. EPA OEME, Measurement of Sediment Oxygen Demand (SOD) in the Penobscot River, December EPA OEME, Measurement of Sediment Oxygen Demand (SOD) in the Piscataquis River @ Dover-Foxcroft, Maine, April YSI Inc, YSI MODEL Operations Manual, June ECASOP–SODSOP, Sediment Oxygen Demand Determination, Standard Operating.

oxygen apply to all perennial and intermittent streams, rivers, and lakes within the Tualatin River Basin in Oregon. The Tualatin Subbasin TMDLs for pH and chlorophyll a that regulate total phosphorus concentrations apply to the entire Tualatin River subbasin, and to the Oswego Lake watershed which is located in the Lower Willamette River Basin.

Dissolved oxygen (DO) in the water column of rivers, lakes, and estuaries is an important determinant of water quality. Sediment oxygen demand (SOD) is a key contributor to undesirable low DO levels (Giga and Uchrin ). SOD is the rate of oxygen removal from the overlying water column due to the decomposition of settled organic matter.

1. Introduction. The Cochin Backwater System (CBS), a tropical monsoon impacted estuary, is the second largest estuarine system in India. It is fed by six rivers (Achenkovil, Pampa, Manimala, Meenachil and Muvattupuzha in the south and a branch of the Periyar in the north) discharging about 2 × 10 10 m 3 y −1 of freshwater (Srinivas, ; Srinivas et al., a, b).

Sediment oxygen demand in the Tualatin River Basin, Oregon, – U.S. Geological Survey Water-Resources Investigations Report 97–, 19 .Chemical oxygen demand (COD) is a measure of the oxygen equivalent of the organic content in a sample that can be oxidized by a strong chemical oxidant such as dichromate or permanganate.

Sometimes COD and BOD can be correlated, and the COD/BOD ratio can give another indication of biological treatability or treatability by chemical oxidation.