Grain-size Analysis of the Krapets Beach Sand

Authors:

Pages: 539-546
DOI: https://doi.org/10.54664/TXIH1983

Abstract:

Grain-size distribution of beach and dune sediments from the Krapets coast were determined. Grain sizes were determined by dry sieving sediments of 32 surficial samples along 2 transects in direction NE-SW. Samples are collected from different geomorphological units – beach, berm zone, dune slopes, dune crests, dune slacks. Existence of correlation between granulometric composition of sediments and distance to the swash zone was investigated using Spearman’s rank correlation coefficient. Calculations showed lack of strong correlation in most cases. Additionally grain-size distribution of sand in depth on the profile of one dune in the most southern area of coast was investigated. Organic matter content of 10 samples in direction from sea to the land was determined too.

Keywords:

Krapets beach, Bulgarian Black Sea coast, sand dunes, grain size distribution and granulometric composition of sediments.

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