Total dissolved gas, barometric pressure, and water temperature data, lower Columbia River, Oregon and Washington, 1996

Tanner, Dwight Q.; Harrison, Howard E.; McKenzie, Stuart W.

Abstract:

Increased levels of total dissolved gas pressure can cause gas-bubble trauma in fish downstream from dams on the Columbia River. In cooperation with the U.S. Army Corps of Engineers, the U.S. Geological Survey collected data on total dissolved gas pressure, barometric pressure, water temperature, and dissolved oxygen pressure at 11 stations on the lower Columbia River from the John Day forebay (river mile 215.6) to Wauna Mill (river mile 41.9) from March to September 1996. Methods of data collection, review, and processing are described in this report. Summaries of daily minimum, maximum, and mean hourly values are presented for total dissolved gas pressure, barometric pressure, and water temperature. Hourly values for these parameters are presented graphically. Dissolved oxygen data are not presented in this report because the quality-control data show that the data have poor precision and high bias. Suggested changes to monitoring procedures for future studies include (1) improved calibration procedures for total dissolved gas and dissolved oxygen to better define accuracy at elevated levels of supersaturation and (2) equipping dissolved oxygen sensors with stirrers because river velocities at the shoreline monitoring stations probably cannot maintain an adequate flow of water across the membrane surface of the dissolved oxygen sensor.

Genre:

USGS Numbered Series

ProdID:

24655

Citation Author:

Tanner, Dwight Q.; Harrison, Howard E.; McKenzie, Stuart W.

Citation Contributing Office:

Citation Datum:

Citation Day:

Citation Edition:

Citation Editor:

Citation End Page:

Citation Issue:

Citation Keywords:

Citation Language:

ENGLISH

Citation Larger Work Title:

Citation LatN:

Citation LatS:

Citation LonE:

Citation LonW:

Citation Month:

Citation No Pagination:

Citation Number Of Pages:

Citation Online Only Flag:

Citation Phsyical Description:

vi, 85 p. :chiefly ill., map ;28 cm.

Citation Projection:

Citation Public Comments:

Citation Publisher:

U.S. Geological Survey ; Earth Science Information Center [distributor],

Citation Series:

Open-File Report

Citation Series Code:

OFR

Citation Series Number:

96-662-A

Citation Search Results Text:

Total dissolved gas, barometric pressure, and water temperature data, lower Columbia River, Oregon and Washington, 1996; 1996; OFR; 96-662-A; Tanner, Dwight Q.; Harrison, Howard E.; McKenzie, Stuart W.