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Modeling doline populations with logistic growth functions

✍ Scribed by Phillip R. Kemmerly

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
315 KB
Volume
32
Category
Article
ISSN
0360-1269

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✦ Synopsis

Abstract

Initiation and evolution of a large karst depression population consisting of parent and daughter dolines were spatially and temporally modeled using logistic growth functions. Logistic growth models are well suited for analyzing doline population initiation and evolution because they reflect the density‐dependent growth mechanisms present in the evolution of karst depressions. Seven assumptions based upon previous studies were refined into mathematical statements and tested using more than 2000 dolines from a subpopulation of both parent and daughter karst depressions on the Western Highland Rim and Pennyroyal Plain of Tennessee and Kentucky. Logistic growth models quantify the initiation and evolution of doline populations and interface well with recent models describing the evolution of three‐dimensional conduit systems. Logistic growth models should apply to modeling other doline populations in karst terranes with hydraulically efficient, three‐dimensional conduit systems. Copyright Β© 2006 John Wiley & Sons, Ltd.

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