Erratum for “Dimensionless Erosion Laws for Cohesive Sediment” by Joseph S. Walder

Abstract

In the original paper, the symbol α was mistakenly used in several places where the symbol ζ was intended. In addition, one figure legend is in error. The required corrections are as follows: On page 04015047-8, the caption of Fig. 4 should read as follows: Fig. 4. Comparison of time-series data for sediment scour by an impinging jet with theoretical predictions of scour history; the assumption of a linear erosion law implicit in the Hanson and Cook (1997, 2004) model of the JET test was relaxed; dimensionless scour depth and dimensionless time are defined in the main text: (a) data from test 8/8.1/8.4/1 of Mazurek (2001); the material was a manufactured product used for pottery with size distribution 7% sand, 50% silt, 43% clay, and bulk dry specific gravity of 1.54; type curves calculated for ζ 1⁄4 1.62 and grain specific gravity of 2.67; (b) data from test 8/14.5/9.0/4 of Mazurek (2001) using the same material as in (a); type curves calculated for ζ 1⁄4 1.07. Original Fig. 4(a) is correct as shown; however, the legend for the original Fig. 4(b) is incorrect. The dashed curve corresponds to parameter values m 1⁄4 1, α 1⁄4 0.00005. On page 04015047-11 Eq. (45) should read