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Dynamic Rain Gauge Calibration System

 
Poster PDF

Authors

Jenni Kyrouac — Argonne National Laboratory
Danny Alan Nelson — Pacific Northwest National Laboratory
Michael T. Ritsche — Argonne National Laboratory
Craig Webb — ARM Climate Research Facility

Category

ARM infrastructure

Description

A new dynamic rain gauge calibration system for tipping bucket rain gauges was developed for use at the SGP Calibration Facility in effort to mitigate underestimation of high precipitation rates. The dynamic calibration compares known (applied) precipitation rates to those recorded by the gauge and establishes a correction factor that can be applied in the field. The goal is to provide field-corrected data to users, in addition to raw gauge output, resulting in reliable estimates of true precipitation rates despite gauge biases.