LOADEST Documentation

Documentation for the LOADEST software package is provided in the following report:

Runkel, R.L., Crawford, C.G., and Cohn, T.A., 2004, Load Estimator (LOADEST): A FORTRAN Program for Estimating Constituent Loads in Streams and Rivers: U.S. Geological Survey Techniques and Methods Book 4, Chapter A5, 69 p.
HTML | PDF (776 K) | Errata

Runkel, R.L., 2013, Revisions to LOADEST, April 2013 PDF (776 K)

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IMPORTANT NOTE: LOADEST can produce biased load estimates when the selected model is a poor representation of the relationship between load and the explanatory variables. Problems with load bias may be identified through careful analyses of model residuals. LOADEST has therefore been modified since its initial release to include several features that facilitate residual analysis and bias identification. This updated version of the software was placed on the web site on March 27, 2013. LOADEST users who downloaded the software prior to this date are encouraged to download the updated version. A summary of the software update is provided here.

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