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Understanding Taxonomic Unit Descriptions (TUD) for Soil Survey Documentation

Taxonomic Unit Descriptions (TUD) provide essential narratives for soil survey manuscripts, allowing for data verification and area-specific reporting. This document emphasizes the generation of TUDs at any time and discusses the building process from NASIS reports. It covers the differences between simple and complex TUDs, outlines the components required for manuscript formatting, and provides details on required calculations, validations, and quality control measures. Proper understanding and execution of TUD methodology is crucial for accurate soil data documentation and reporting.

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Understanding Taxonomic Unit Descriptions (TUD) for Soil Survey Documentation

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Presentation Transcript

  1. Why develop a TUD • Can be generated at any time to check data • Written description of the series concept for a defined area • Used in initial soil survey manuscripts

  2. Taxonomic Unit Description(TUD) Building a TUD from NASIS

  3. Taxonomic Unit Description Reports

  4. Taxonomic Unit Description Reports

  5. Taxonomic Unit Description Reports • Simple TUD – Narrative form of your typical or modal pedon • Complex TUD– Requires more than one report and usually a macro in MS_Word for manuscript formatting

  6. Target Tables to be populated? • Area, Legend, Datamapunit • Site Association • Site • Site Area Overlap • Site Mapunit Overlap • Component Pedon • Pedon

  7. Target Tables to be populated? • Run all calculations and validations • Perform Quality Control on your data • NASIS is the official data not the hard copy of the TUD

  8. Query to load data in NASIS

  9. Exercise • Handout 9.2

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