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Techniques and Methods 7—C7

Great Lakes Restoration Initiative

Approaches in Highly Parameterized Inversion: TSPROC, a General Time-Series Processor to Assist in Model Calibration and Result Summarization

By Stephen M. Westenbroek, John Doherty, John F. Walker, Victor A. Kelson, Randall J. Hunt, and Timothy B. Cera

Thumbnail of and link to report PDF (1.64 MB) Abstract

The TSPROC (Time Series PROCessor) computer software uses a simple scripting language to process and analyze time series. It was developed primarily to assist in the calibration of environmental models. The software is designed to perform calculations on time-series data commonly associated with surface-water models, including calculation of flow volumes, transformation by means of basic arithmetic operations, and generation of seasonal and annual statistics and hydrologic indices. TSPROC can also be used to generate some of the key input files required to perform parameter optimization by means of the PEST (Parameter ESTimation) computer software. Through the use of TSPROC, the objective function for use in the model-calibration process can be focused on specific components of a hydrograph.

First posted December 19, 2012

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Suggested citation:

Westenbroek, S.M., Doherty, J., Walker, J.F., Kelson, V.A., Hunt, R.J., and Cera, T.B., 2012, Approaches in highly parameterized inversion: TSPROC, a general time-series processor to assist in model calibration and result summarization: U.S. Geological Survey Techniques and Methods, book 7, chap. C7, 79 p., 3 apps., available only at http://pubs.usgs.gov/tm/tm7c7.


Contents

Preface

Acknowledgements

Abstract

Background

Introduction

Parameter Estimation and TSPROC

References

Appendix 1: File Format Details

Appendix 2: Python Module Use

Appendix 3: Complete List of Indices Calculated in a HYDROLOGIC_INDICES Block


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