CP003

Precipitation chemistry concentrations and fluxes from legacy studies at Coyote Creek in the South Umpqua National Forest and Fox Creek in the Mt. Hood National Forest

• Creator(s): Richard L. Fredriksen, Sherri L. Johnson
• PI(s): Sherri L. Johnson
• Originator(s): Richard L. Fredriksen
• Other researcher(s): Julia A. Jones
• Dates of data collection: Oct 1 1969 - Nov 24 1981
• Data collection status: Study collection is completed and no new collection is planned
• Data access: Online
• Last update: Mar 3 2017 (Version 2)

<Citation>     <Acknowledgement>     <Disclaimer>    

Fredriksen, R.; Johnson, S. 2017. Precipitation chemistry concentrations and fluxes from legacy studies at Coyote Creek in the South Umpqua National Forest and Fox Creek in the Mt. Hood National Forest. Forest Science Data Bank. Forest Science Data Bank, Corvallis, OR. [Database]. Available: http://andlter.forestry.oregonstate.edu/data/abstract.aspx?dbcode=CP003. Accessed 2024-05-07.

Data were provided by the HJ Andrews Experimental Forest research program, funded by the National Science Foundation's Long-Term Ecological Research Program (DEB 08-23380), US Forest Service Pacific Northwest Research Station, and Oregon State University.

While substantial efforts are made to ensure the accuracy of data and documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is". The FSDB shall not be liable for damages resulting from any use or misinterpretation of data sets.

ABSTRACT:
	Precipitation chemistry sampling and analysis was initiated in both of these legacy studies at the Coyote Creek and Fox Creek watersheds in 1969 and concluded in 1981. Precipitation samples were collected as a composite sample over a three week period. Water samples were analyzed at what is now called the Cooperative Chemical Analytical Lab (CCAL) at Oregon State University. Concentrations of analytes include dissolved and particulate nitrogen and phosphorus, pH, conductivity, suspended sediment, and a full suite of cations and anions. Fluxes are calculated using nutrient concentrations and precipitation totals over the collection period. This work was funded by the U.S. Forest Service Pacific Northwest Research Station.

Study Description

Study Site Map

Download Study Location Information: (CSV) Ecological Metadata Language: (EML)

ENTITY TITLES:
1	Precipitation water sample nutrient concentrations (Oct 6 1969 - Oct 1 1982)	METADATA	DATA
	Precipitation samples are collected and analyzed on a 3-week basis for nutrient concentrations. Precipitation amounts for each sampling period are provided.
2	Precipitation water nutrient inflow in kg/ha (Oct 6 1969 - Oct 1 1982)	METADATA	DATA
	Derived nutrient inputs based on precipitation nutrient concentration data (Entity 1) and actual precipitation for the sampling period.
3	Precipitation water nutrient mean annual concentrations (Oct 1 1969 - Oct 1 1982)	METADATA	DATA
	Mean annual precipitation nutrient concentrations are calculated from the concentration data (Entity 1).
RELATED DATABASES:
	Precipitation chemistry concentrations and fluxes, HJ Andrews Experimental Forest, 1969 to present (CP002)
	Stream chemistry concentrations and fluxes from legacy studies at Coyote Creek in the South Umpqua National Forest and Fox Creek in the Mt. Hood National Forest (CF003)
	Stream discharge and bedload accumulation in gauged watersheds at the South Umpqua Experimental Forest, Coyote Creek, 1963 to 1981 and 2001 to present (HF003)
	Stream discharge in gauged watersheds at Fox Creek within the Bull Run Municipal Watershed, 1957 to 1988 (HF019)
RELATED PUBLICATIONS:
	Fredriksen, Richard Lee 1975, Nitrogen, phosphorus and particulate matter budgets of five coniferous forest ecosystems in the western Cascades Range, Oregon (Pub. No: 489)
	Fredriksen, R. L., Ross, Richard N. 1975, Timber production and water quality--progress in planning for the Bull Run, Portland, Oregon's municipal watershed (Pub. No: 480)
	Harr, R. Dennis, Fredriksen, Richard L. 1988, Water quality after logging small watersheds within the Bull Run Watershed, Oregon (Pub. No: 868)
	Harr, R. Dennis 1980, Streamflow after patch logging in small drainages within the Bull Run Municipal Watershed, Oregon (Pub. No: 577)
	Harr, R. Dennis, Fredriksen, Richard L., Rothacher, Jack 1979, Changes in streamflow following timber harvest in southwestern Oregon (Pub. No: 550)