Correction of electronic record for weighing bucket precipitation gauge measurements

Anurag Nayak, David G. Chandler, Danny Marks, James P. McNamara, Mark Seyfried

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Electronic sensors generate valuable streams of forcing and validation data for hydrologic models but are often subject to noise which must be removed as part of model input and testing database development. We developed an automated precipitation correction program (APCP) for weighing bucket precipitation gauge records, which are subject to several types of mechanical and electronic noise and discontinuities, including gauge maintenance, missing data, wind vibration, and sensor drift. Corrected cumulative water year precipitation from APCP did not exhibit an error bias and matched measured water year total precipitation within 2.1% for 58 station years tested. Removal of low-amplitude periodic noise was especially important for developing accurate instantaneous precipitation records at subdaily time steps. Model flexibility for use with other data types is demonstrated through application to time domain reflectometry soil moisture content data, which are also frequently subject to substantial noise.

Original languageEnglish (US)
Article numberW00D11
JournalWater Resources Research
Issue number4
StatePublished - Apr 1 2008
Externally publishedYes

ASJC Scopus subject areas

  • Water Science and Technology


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