底形(英语:bedform)是一种在流体在底界面处形成的结构[1]。是由于流体流动水底沉积物而造成的。 例如同波痕沙丘[2]。 底形通常被保留在岩石中,故可用于推断流体深度和速度[3]

参考文献

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  1. ^ Venditti, J. G.; Church, M. A.; Bennett, S. J. (2005). "Bed form initiation from a flat sand bed". Journal of Geophysical Research. 110: F01009. Bibcode:2005JGRF..110.1009V. doi:10.1029/2004jf000149
  2. ^ Prothero, D. R. and Schwab, F., 1996, Sedimentary Geology, pg. 45-49, ISBN 0-7167-2726-9
  3. ^ Southard, J B (1991). "Experimental Determination of Bed-Form Stability". Annual Review of Earth and Planetary Sciences. 19: 423–455. Bibcode:1991AREPS..19..423S. doi:10.1146/annurev.ea.19.050191.002231