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Hydrologic Data Collection and Water Quality Sampling
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Daren at Runoff Site

Publications Related to Measurement Uncertainty:



•• Harmel, R. D., J.M. Hathaway, K.L. Wagner, J.E. Wolfe, R. Karthikeyan, W. Francesconi, and D.T. Mccarthy. 2016. Uncertainty in monitoring E. coli concentrations in streams and stormwater runoff. J. of Hydrology. 534: 524-533.Publication

••  Harmel, R.D., P.K. Smith, K. W. Migliaccio, I. Chaubey, K.R. Douglas-Mankin, B. Benham, S. Shukla, R. Munoz-Carpena, and B. J. Robson. 2014. Evaluating, interpreting, and communicating performance of hydrologic/water quality models considering intended use:A review and recommendations. Environmental Modelling & Software 57:40-51.Publication

••  Harmel, R.D., P.K. Smith, and K. W. Migliaccio. 2010. Modifying Goodness-of-Fit Indicators to Incorporate Both Measurement and Model Uncertainty in Model Calibration and Validation. Transactions of ASABE 53(1):55-63.Publication

••  Harmel, R.D., R. Smith, K.W. King, and R.M. Slade. 2009. Estimating storm discharge and water quality data uncertainty: A software tool for monitoring and modeling applications. Environmental Modelling & Software 24:832-842. Publication

••Harmel, R.D. and P.K. Smith. 2007. Consideration of measurement uncertainty in the evaluation of goodness-of-fit in hydrologic and water quality modeling. Journal of Hydrology 337:326-336. Publication

••  Moriasi, D.N., J. G. Arnold, M. W. Van Liew, R. L. Bingner,R. D. Harmel and T. L. Veith.2007. Model Evaluation Guidelines for Systematic Quantification of Accuracy in Watershed Simulations. Transactions of ASABE 50(3):885-900. Publication

••  Harmel, R.D. , R.J. Cooper, R.M. Slade, R.L. Haney, and J.G. Arnold. 2006. Cumulative uncertainty in measured streamflow and water quality data for small watersheds. Transactions of ASABE 49(3):689-701. Publication

••  Shirmohammadi, A.,I. Chaubey, R. D. Harmel, D.D. Bosch, R. Munoz-Carpena, C. Dharmasri, A. Sexton, M. Arabi, M. L. Wolfe, J. Frankenberger, C. Graff, and T. M. Sohrabi. 2006. Uncertainty in TMDL Models. Transactions of ASABE 49(4):1033-1049. Publication


Publications Related to Methods:



•• Harmel, R. D., K.King, D. Busch, D. Smith, E. Birgand, and B. Haggard. 2018. Measuring edge-of-field water quality: Where we have been and the path forward. J. of Soil and Water Conservation. 73(1): 86-96. Publication


••  Daniels, M. B., A. Sharpley, R. D. Harmel, and K. Anderson. 2018. The utilization of edge-of-field monitoring of agricultural runoff in addressing nonpoint source pollution. J. of Soil and Water Conservation. 73(1): 1-8. Publication


 •• Harmel, Daren, Kevin Wagner, Emily Martin, Doug Smith, Pauline Wanjugi, Terry Gentry, Lucas Gregory, and Tina Hendon. 2016. Effects of field storage method on E. coli concentrations measured in storm water runoff. Environ. Monit. Assess. 188:170. Publication


••  McCarthy, David and R. D. Harmel. 2014. Quality assurance/quality control in stormwater sampling. Future Science. doi:10.4155/EBO.13.475. Publication


••  Migliaccio, Kati W., Harmel, Daren, and Peter C. Smiley, Jr. 2011. Surface Water Quality Sampling in Streams and Canals.Publication


••  Harmel, R. D., R. M. Slade,and R.L. Haney. 2010. Impact of sampling techniques on measured stormwater quality data for small streams. J. Environ. Qual. 39: 1734-1742.Publication


••  Toor, G. S., R.D. Harmel, B. E. Haggard, and G. Schmidt. 2008. Evaluation of regression methodology with low-frequency water quality sampling to estimate constituent loads for ephemeral watersheds in Texas. J. Environ. Qual. 37: 1847-1854.Publication

 ••  Harmel, R. D., K.W. King, B.E. Haggard, D. G. Wren, and J.M. Sheridan. 2006.Practical Guidance for Discharge and Water Quality Data Collection on Small Watersheds.  Transactions of ASABE 49(4):937-948. Publication

••  King. K.W., Harmel, R.D. and N.R. Fausey. 2005. Development and sensitivity of a method to select time- and flow-paced storm event sampling intervals for headwater streams. Journal of Soil and Water Conservation 60(6):323-331. Publication

••  Harmel, R.D. and K.W. King. 2005. Uncertainty in measured sediment and nutrient flux in runoff from small agricultural watersheds. Transactions of ASAE 48(5):1713-1721. Publication

••  King. K.W. and R.D. Harmel. 2004. Comparison of Time-Based Sampling Strategies to Determine Nitrogen Loading in Plot-Scale Runoff: Technical Note. Transactions of ASAE 47(5):1457-1463. Publication

••  Harmel, R.D., K.W. King, and R.M. Slade. 2003. Automated Storm Water Sampling on Small Watersheds. Applied Engineering in Agriculture 19(6):667-674. Publication

••  King, K.W. and R.D. Harmel. 2003. Considerations in Selecting a Water Quality Sampling Strategy. Transactions of the American Society of Agricultural Engineers 46(1):63-73. Publication

••  Harmel, R.D., K.W. King, J.E. Wolfe, and H.A. Torbert. 2002. Minimum Flow Considerations for Automated Storm Sampling on Small Watersheds. Texas Journal of Science 54(2):177-188. Publication