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EPSCoR MILES

The EPSCoR MILES program builds Idaho's capacity to study complex social-ecological processes, especially those associated with water demand and valuation of ecosystem services. This research characterizes patterns and identifies social drivers of urban growth and ecological change, including valuable ecosystem services.

Visit them at https://www.idahoecosystems.org

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Coeur d'Alene Lake Total Phosphorus Nutrient Calculations for Lake Tributaries

Total phosphorus (TP) nutrient calculations for Coeur d’Alene Lake tributaries in Idaho, USA were modeled using ordinary least squares (OLS). Results were revised from a March 2016 model using updated stream and loading data. The revised multivariate regression analyses examined total phosphorus as a function of land use/ land cover parameters. I used NHD24k stream data and included stream slope into the variable matrix. I tested prior variable selection using model selection. Since we have only 12 observations, only a maximum of nine variable can be included in the Multiple Regression Analysis. To select these nine variables, I used Random Forest Variance Importance for 10,000 simulations. Based on the model selection criteria, Model 4 (OLS model without wetland variables in the data set & with stream gradient in the model) followed by Model 1 (OLS model without wetland variables in the data set) seem to be the best supported by the data. Data set includes further updates for the June 2017 season.
FieldValue
Modified
2019-03-18
Release Date
2017-06-02
Publisher
Identifier
7926e7ce-d845-4d53-8823-ab424d295a73
NKN Identifier
59fce525eb1bc61183fc7839
Spatial / Geographical Coverage Area
POLYGON ((-116.98104858398 47.30788581138, -116.98104858398 47.762191457106, -116.52786254883 47.762191457106, -116.52786254883 47.30788581138))
Spatial / Geographical Coverage Location
Coeur d'Alene, Idaho, USA
Temporal Coverage
Wednesday, June 1, 2016 - 00:00 to Friday, June 2, 2017 - 00:00
Language
English (United States)
License
Author
Vasile Alexandru Suchar
Contact Name
Vasile Alexandru Suchar
Contact Email
Public Access Level
Public