Table A1. (a) Acquisition parameters and (b) processing sequence for the CROP-11 seismic reflection profile. “(A-B)” and “(B-C)” refer to the CROP-11 segments shown in Fig. 1. The 0 s datum corresponds to 500 m a.s.l.

(a)
acquisition parameters	(A-B)	(B-C)	
profile length	76 km	189 km	
active channels	192	192	
station interval	60 m	40 m	
shot interval	180 m	160 m	
seismic source	explosive (dynamite)	explosive (dynamite)	
explosive charge	30 kg	30 kg	
spread configuration	asymmetric split (1-64 SP 65-192)	asymmetric split (1-64 SP 65-192)	
source depth	30 m	30 m	
sampling interval	2 ms	2 ms	
recording length	25 s	25 s	
coverage	24	32	

(b)
processing sequence		
quality control	display of shot monitors and trace editing	
amplitude recovery	synthetic gain curve	
prefilter	bandpass prefilter application	
deconvolution	surface consistent deconvolution	
spectral balance	spectral equalisation in frequency domain	
dip filter	trimmed mean dynamic dip filter	
FX decon	deconvolution in F-X domain	
gather	rearrange traces in common depths gathers	
velocity analysis	contour plots and common velocity scans referenced to floating datum	
NMO correction	application of NMO correction from floating datum	
statics	application of datum and residual statics	
mute	derived from common distance gathers and mute scans	
stack	2400 %	
balance	time variable windows