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  • A Note of Sampling Errors in the Rainfall and Runoff Data Collected using Tipping Bucket Technology

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    Author(s)
    Yu, B
    Ciesiolka, CAA
    Rose, CW
    Coughlan, KJ
    Griffith University Author(s)
    Rose, Calvin W.
    Yu, Bofu
    Year published
    1997
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    Abstract
    Data precision for rainfall intensity and runoff rate using tipping bucket technology is controlled by the bucket volume, V, the catchment area, A, and the sampling interval, t. The maximum absolute error is less than V(A.t)-1 and the standard error is given by V(v _ 6 A.t)-1, both of which are independent of the magnitude of rainfall intensity and runoff rate being measured. Therefore, the relative error can be quite large during events with low rainfall intensity or runoff rate. The magnitude of the sampling error given above can be used to assist in experiment and equipment design and in data analysis.Data precision for rainfall intensity and runoff rate using tipping bucket technology is controlled by the bucket volume, V, the catchment area, A, and the sampling interval, t. The maximum absolute error is less than V(A.t)-1 and the standard error is given by V(v _ 6 A.t)-1, both of which are independent of the magnitude of rainfall intensity and runoff rate being measured. Therefore, the relative error can be quite large during events with low rainfall intensity or runoff rate. The magnitude of the sampling error given above can be used to assist in experiment and equipment design and in data analysis.
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    Journal Title
    Transactions of the ASAE
    Volume
    40, No5
    DOI
    https://doi.org/10.13031/2013.21388
    Copyright Statement
    © 1997 American Society of Agricultural and Biological Engineers (ASABE). The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Publication URI
    http://hdl.handle.net/10072/31165
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    • Journal articles

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