Changes in version 0.26 (2026-04-23) o Modified DESCRIPTION, CITATION, NEWS for CRAN policy changes. o Minor spelling corrections across the *.Rd files. Changes in version 0.25 (2015-08-20) o Modified NAMESPACE for CRAN policy changes. Changes in version 0.24 (2015-04-20) o CRAN policy accommodation. Changes in version 0.22 o Changed my name slightly in DESCRIPTION so that all my packages on the CRAN list by author together. Changes in version 0.20 o Addition of sharp-crested weir flow from TWRI3A5 is provided for initial evaluation by research colleagues. Changes in version 0.15 o Addition of the Bos (1989) solutions for broad-created weir flow. Changes in version 0.10 (2010-09-14) o Only broad-crested weir flow from TWRI3A5 is provided for initial evaluation by research colleagues.