Physical parameters at high-gradient survey sites

Physical parameters at high-gradient survey sites

Number of Records: 

17

Date Range: 

2008-06-01 to 2008-06-03

Download: 

Order: 

6

Variables

Variables: 

Site
  • Label: Sampling site code
  • Definition: A code assigned to each sampling site.
  • Type: Physical quantity
  • Unit: number
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
order
  • Label: Stream order
  • Definition: The Strahler stream order of the site based on USGS blue lines
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
link
  • Label: Stream link
  • Definition: The Shreve stream link of the site based on USGS blue lines. number of USGS blue line headwater streams draining into the site.
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • none = Missing Value
gradient
  • Label: Stream gradient
  • Definition: The ratio of tghe slope to gradient of the stream calculated from USGS maps. Calculated by dividing the slope meters by the gradient meters.
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
slope
  • Label: Field slope
  • Definition: The ratio of the slope to gradient of the stream reach measured in the field. Calculated by dividing the slope meters by the gradient meters.
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.01
  • Missing values:
    • none = Missing Value
Aspect
  • Label: Aspect
  • Definition: Code describing the predominant aspect of each 20 x 20 m quadrat.Unknown precision; original measurements were to 0.1 m; but these calculated values have not been ground truthed.
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • none = Missing Value
Elev
  • Label: Elevation
  • Definition: Elevation in meters above sea level. Calculated as the mean elevation for the 4 corner posts of the quadrat from data provided by the plot surveyors. (Pecision is unknown: original measurements were to 0.1 m; but these calculated values have not been ground truthed.)
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • none = Missing Value
catchmentarea
  • Label: Catchment area
  • Definition: The catchment area of the site
  • Type: Physical quantity
  • Unit: hectare
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
92forest
  • Label: 1991-1992 catchment land cover in forest
  • Definition: The percentage of the catchment area in forest land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
92ag
  • Label: 1991-1992 catchment land cover in agriculture
  • Definition: The percentage of the catchment area in agricultural land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
92urban
  • Label: 1991-1992 catchment land cover in urban/barren
  • Definition: The percentage of the catchment area in urban/barren land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
78forest
  • Label: 1977-1978 catchment land cover in forest
  • Definition: The percentage of the catchment area in forest land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
78shrub
  • Label: 1977-1978 catchment land cover in shrub
  • Definition: The percentage of the catchment area in shrub land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
78ag
  • Label: 1977-1978 catchment land cover in agriculture
  • Definition: The percentage of the catchment area in agricultural land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
78development
  • Label: 1977-1978 catchment land cover in development
  • Definition: The percentage of the catchment area in development land cover
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
bankfullwidth
  • Label: Bankfull width
  • Definition: The width of the channel from bank to bank
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
wettedwidth
  • Label: Wetted width
  • Definition: The width of the wetted part of the stream on the day of measuring physical habitat
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
cancov
  • Label: Canopy cover
  • Definition: Canopy cover over the stream reach
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
rifflevel
  • Label: Riffle water velocity
  • Definition: Mean water velocity in riffles
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • --- indicates no measurement of water velocity = Missing Value
poolvel
  • Label: Pool water velocity
  • Definition: Mean water velocity in pools
  • Type: Physical quantity
  • Unit: metersPerSecond
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • --- indicates no measurement of water velocity = Missing Value
depth
  • Label: Water depth
  • Definition: Mean water depth
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
substrate
  • Label: Substrate coarseness
  • Definition: The mean of numbered codes for substrate sizes; see Greathouse et al. (in press) and Greathouse (2005) for details
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
bedrock
  • Label: Percentage bedrock
  • Definition: The percent of substrate measurements that were bedrock
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
boulder
  • Label: Percentage boulder
  • Definition: The percent of substrate measurements that were boulder
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
cobble
  • Label: Percentage cobble
  • Definition: The percent of substrate measurements that were cobble
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
coarsegravel
  • Label: Percentage coarse gravel
  • Definition: The percent of substrate measurements that were coarse gravel
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
finegravel
  • Label: Percentage fine gravel
  • Definition: The percent of substrate measurements that were fine gravel
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 1
  • Missing values:
    • none = Missing Value
sand
  • Label: Percentage sand
  • Definition: The percent of substrate measurements that were sand
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
silt
  • Label: Percentage silt
  • Definition: The percent of substrate measurements that were silt
  • Type: Physical quantity
  • Unit: dimensionless
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: 0.1
  • Missing values:
    • none = Missing Value
temp
  • Label: Water temperature
  • Definition: Temperature of the stream water
  • Type: Physical quantity
  • Unit: celsius
  • Maximum: 26
  • Minimum: 18
  • Precision: 0.1
  • Missing values: None specified

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Field delimiter: 

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Record delimiter: 

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