The Range of Ice Thrusts and Ice Piles as Reflected by Ice Scars on Trees Growing on the Shores of Coastal Lagoons: The Case of the Szczecin Lagoon

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T-test parameters for average distances of ice-damaged trees from the individual shore segments (labelled using the respective geographic directions) against the average distance of damaged trees from the shoreline (Total, T)_ Average, a – average for a given shore segment, Average, T – average for the entire lagoon shore, t – t-test value, p – t-test significance level; t-test parameters indicating statistically significant differences between averages are underlined_

Area	Average, a	Average, T	t	p
	[m]
West and T	4.84	9.57	-0.88	0.38
Southwest and T	22.93	9.57	3.85	0.00
Southeast and T	11.87	9.57	0.72	0.47
East and T	7.64	9.57	-0.95	0.34
Northeast and T	6.59	9.57	-1.31	0.19
Northwest and T	8.23	9.57	-0.65	0.52

T-test parameters for average values of maximum tree ice scar elevations in individual shore segments (labelled using the respective geographic directions) against average maximum tree ice scar elevation (Total, T)_ Average, a – average for a given shore segment, Average, T – average for the entire lagoon shore, t – t-test value, p – t-test significance level; t-test parameters indicating statistically significant differences between averages are underlined_

Area	Average, a	Average, T	t	p
	[m]
West and T	0.74	1.48	-2.15	0.03
South-western and T	1.31	1.48	-0.87	0.38
South-eastern and T	1.20	1.48	-1.40	0.16
East and T	1.45	1.48	-0.21	0.84
North-eastern and T	1.86	1.48	2.36	0.02
North-western and T	1.51	1.48	0.19	0.85