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Variables Details
: (EM-447)
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EM Identity and Description
| EM-447 | |
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Document Author
variable.detail.emDocumentAuthorHelp
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Yee, S. H., Dittmar, J. A., and L. M. Oliver |
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Document Year
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2014 |
Variable General Info
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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Variable ID
variable.detail.varIdHelp
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9570 | 9564 | 9565 | 9568 | 9563 | 9566 | 9567 |
| fw | nw | Hrs | Not reported | hr | Ho | T | |
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Qualitative-Quantitative
variable.detail.continuousCategoricalHelp
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Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) | Quantitative (Cardinal Only) |
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Cardinal-Ordinal
variable.detail.cardinalOrdinalHelp
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Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal | Cardinal |
| Not reported | m | m | Not reported | m | m | s |
Variable Typology
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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Predictor-Intermediate-Response
variable.detail.displayVariableTypeHelp
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Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
Predictor |
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Predictor Variable Type
variable.detail.displayPredictorVariableTypeHelp
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Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
Time- or Space-varying Variable |
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Response Variable Type
variable.detail.resClassHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Data Source/Type
variable.detail.dataTypeHelp
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Local field/Lab data (e.g., particular to the EM study) |
Other or unclear (comment) ?Comment:Not reported |
Derived as output of another model (and not found in a widely available database) | Local field/Lab data (e.g., particular to the EM study) | Map or database (e.g., wide coverage, wide availability, measured or modeled) | Derived as output of another model (and not found in a widely available database) | Derived as output of another model (and not found in a widely available database) |
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Variable Classification Hierarchy
variable.detail.vchLevel1Help
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2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
2. Land Surface (or Water Body) Cover, Use, Substrate, or Metric |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
5. Ecosystem Attributes and Potential Supply of Ecosystem Goods and Services |
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--Dominant soil or substrate type |
--Physical/chemical characteristics of nonliving ecosystem components |
--Physical/chemical characteristics of nonliving ecosystem components |
--Geographic position, horizontal or vertical |
--Geographic position, horizontal or vertical |
--Physical/chemical characteristics of nonliving ecosystem components |
--Physical/chemical characteristics of nonliving ecosystem components |
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----Physical/chemical characteristics of water |
----Physical/chemical characteristics of water |
----Slope, roughness, ruggedness |
----Elevation, altitude, bathymetry |
----Physical/chemical characteristics of water |
----Physical/chemical characteristics of water |
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------Water volume or flow in coastal aquatic systems |
------Water volume or flow in coastal aquatic systems |
------Water volume or flow in coastal aquatic systems |
------Water volume or flow in coastal aquatic systems |
Variable Spatial Characteristics
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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Spatial Extent Area
variable.detail.spExtentHelp
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100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 | 100-1000 km^2 |
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Spatially Distributed?
variable.detail.spDistributedHelp
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Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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Observations Spatially Patterned?
variable.detail.regularSpGrainHelp
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Yes | Yes | Yes | Yes | Yes | Yes | Yes |
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Spatial Grain Type
variable.detail.spGrainTypeHelp
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area, for pixel or radial feature | Other | area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature | area, for pixel or radial feature |
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Spatial Grain Size
variable.detail.spGrainSizeHelp
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10 m x 10 m | Not reported | 4 arc minute grid | 10 m x 10 m | 10 m x 10 m | 4 arc minute grid | 4 arc minute grid |
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Spatial Density
variable.detail.spDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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EnviroAtlas URL
variable.detail.enviroAtlasURLHelp
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National Hydrography Dataset Plus (NHD PlusV2) | National Hydrography Dataset Plus (NHD PlusV2) | National Hydrography Dataset Plus (NHD PlusV2) | National Hydrography Dataset Plus (NHD PlusV2) |
Variable Temporal Characteristics
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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Temporal Extent
variable.detail.tempExtentHelp
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2006-2007, 2010 | 2006-2007, 2010 | 2006-2007, 2010 | 2006-2007, 2010 | 2006-2007, 2010 | 2006-2007, 2010 | 2006-2007, 2010 |
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Temporally Distributed?
variable.detail.tempDistributedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Regular Temporal Grain?
variable.detail.regularTempGrainHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Value
variable.detail.tempGrainSizeValHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Grain Size Units
variable.detail.tempGrainSizeUnitHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Temporal Density
variable.detail.tempDensityHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Values
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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| Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | |
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Min Value
variable.detail.minEstHelp
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Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
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Max Value
variable.detail.estHelp
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Not reported | Not reported | Not reported | Not reported | Not reported | Not reported | Not reported |
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Other Value Type
variable.detail.natureOtherEstHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Single Observation or Parameter Value | Single Observation or Parameter Value |
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Other Value
variable.detail.otherEstHelp
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Not reported | Not reported | Not reported | Not reported | Not reported | 27.36 | 11.19 |
Variable Variability and Sensitivity
Friction over reef top ?Comment:Reef friction is associated with the degree of topography over the reef flat. Three options for calculating friction were provided in the paper. 1st: The percent cover of benthic habitat within each cell, in particular live coral or uneroded dead coral, can be used to define fw from 0.08 to 0.20. 2nd: Coral reef habitat can be categorized into four broad classes to assign values to parameters and estimate wave energy attenuation by reef type (fw 0.14 to 0.18). 3rd: Estimates of reef rugosity or variability in coral heights along the reef can be used to more directly estimate fw. |
Meteorological surge |
Significant wave height ?Comment:Obtained from NOAA Wavewatch III model predictions. |
Slope angle (reef face) ?Comment:The angle of the slope between adjacent grid cells can be used to determine the reef profile factor (Kp), which in turn is used in the computation of the Wave set-up on reef (nr). |
Water depth over reef flat |
Wave height offshore ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave height (Ho). |
Wave period ?Comment:Daily estimates of offshore significant wave height and period were obtained from NOAA Wavewatch III model predictions, and used to estimate the wave period (T). This variable is used to compute the intermediate variable - Wave set-up on reef (nr). |
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Variability Expression Given?
variable.detail.variabilityExpHelp
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No | No | No | No | No | No | No |
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Variability Metric
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None | None | None | None | None | None | None |
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Variability Value
variable.detail.variabilityValueHelp
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None | None | None | None | None | None | None |
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Variability Units
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None | None | None | None | None | None | None |
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Resampling Used?
variable.detail.bootstrappingHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
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Variability Expression Used in Modeling?
variable.detail.variabilityUsedHelp
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Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Variable Operational Validation (Response Variables only)
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Variable ID
variable.detail.varIdHelp
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Validated?
variable.detail.resValidatedHelp
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Validation Approach (within, between, etc.)
variable.detail.validationApproachHelp
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Validation Quality (Qual/Quant)
variable.detail.validationQualityHelp
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Validation Method (Stat/Deviance)
variable.detail.validationMethodHelp
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Validation Metric
variable.detail.validationMetricHelp
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Validation Value
variable.detail.validationValHelp
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Validation Units
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Use of Measured Response Data
variable.detail.measuredResponseDataHelp
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