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  4. Real and synthetic data used to test the Two-tracer Ratio-based Mixing Model (TRaMM)

Real and synthetic data used to test the Two-tracer Ratio-based Mixing Model (TRaMM)

Dates

Publication Date
Start Date
2013-04-01
End Date
2013-06-30

Citation

Kronholm, S.C., and Capel, P.D., 2016, Real and synthetic data used to test the Two-tracer Ratio-based Mixing Model (TRaMM): U.S. Geological Survey data release, https://doi.org/10.5066/F71R6NMQ.

Summary

This USGS Data Release represents the synthetic and real data from hydrologically diverse streams used to test the performance and limitations of the Two-tracer Ratio-based Mixing Model (TRaMM) which uses high-frequency measures of two tracers (A and B) and streamflow to separate total streamflow into water from slowflow and fastflow sources. The ratio between the concentrations of the two tracers is used to create a time-variable estimate of the concentration of each tracer in the fastflow end-member. Synthetic data from a groundwater dominated stream and an overland flow dominated stream were used to test the sensitivity of the model to various conditions and tracer concentrations. The sensitivity analysis provides understanding [...]

Contacts

Point of Contact :
Paul D Capel
Originator :
Scott C Kronholm, Paul D Capel
Metadata Contact :
Jessica A Hopple
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
USGS Mission Area :
Water Resources
SDC Data Owner :
New Jersey Water Science Center

Attached Files

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TRaMM_real_and_synthetic_data_metadata.xml
“Metadata file”
Original FGDC Metadata
View 		26.08 KB application/fgdc+xml
Scenario_1_1.csv
“Scenario 1 data” 		16.18 KB text/csv
Scenario_1_2.csv
“Scenario 1 data” 		16.13 KB text/csv
Scenario_1_3.csv
“Scenario 1 data” 		16.13 KB text/csv
Scenario_1_4.csv
“Scenario 1 data” 		16.18 KB text/csv
Scenario_1_5.csv
“Scenario 1 data” 		16.13 KB text/csv
Scenario_1_6.csv
“Scenario 1 data” 		16.13 KB text/csv
Scenario_1_7.csv
“Scenario 1 data” 		16.18 KB text/csv
Scenario_2_1.csv
“Scenario 2 data” 		15.98 KB text/csv
Scenario_2_2.csv
“Scenario 2 data” 		15.94 KB text/csv
Scenario_2_3.csv
“Scenario 2 data” 		15.95 KB text/csv
Scenario_2_4.csv
“Scenario 2 data” 		15.93 KB text/csv
Scenario_2_5.csv
“Scenario 2 data” 		15.95 KB text/csv
Scenario_2_6.csv
“Scenario 2 data” 		15.95 KB text/csv
Scenario_2_7.csv
“Scenario 2 data” 		15.93 KB text/csv
Chesterville_Branch_Maryland_real_stream_data.csv
“Real-stream data” 		15.76 KB text/csv
Indian_Creek_Kansas_real_stream_data.csv
“Real-stream data” 		15.86 KB text/csv

Purpose

Data sets were created to test the validity of the Two-tracer Ratio-based Mixing Model (TRaMM). The model was applied to real data from two hydrologically different streams. Synthetic data were designed to test the precision and bias of the model against known values. The analysis of the synthetic data with various conditions of streamflow and tracer concentration provided information regarding the performance of the model, which aided in the interpretation of the results from the real data. This provides useful information for tracking chemical movement to streams and allows for better selection and implementation of water quality management strategies.

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Communities

  • Integrated Watershed Studies Team
  • National Water-Quality Assessment Project
  • USGS Data Release Products

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F71R6NMQ

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