Rumble Sound Generated by a Tidal Bore Event in the Baie du Mont Saint Michel

Description of data files

MascaretSee01.pdf plot of sound amplitudes

See283.pdf panoramic view of the Pointe du Grouin du Sud and Sélune River

MascaretSee01.wav DV quality
Between 06:48 and 06:52, on 15 October 2008 [miniDV Tape: 00:07:30 to 00:11:30]
Tidal bore passage at Pointe du Grouin du Sud : 1'40" to 1'42" of video (06:50)
Duration: 3'41"

File01.wav From 0'00" to 1'35" - Duration: 1'35"

File02.wav From 1'35" to 2'10" - Duration: 0'35"

File03.wav From 2'10" to 3'41" - Duration: 1'31"

See057.jpg to See218.jpg [CD019]
Tidal bore in Baie du Mont Saint Michel and Sée river channel viewed from Pointe du Grouin du Sud
around 18:00 to 18:32 on 14 Oct. 2008 - Flood tide
Digital Camera Panasonic Lumix FZ20 (1600 dpi, Standard) - Photographs by and Copyright Hubert CHANSON
See057.jpg 18:00 about 2km d/s of Pte du Grouin du Sud
See078.jpg 18:25 bore in Sélune River channel, Pte du Grouin du Sud
See079.jpg 18:25 bores in Sée and Sélune River channels, Pte du Grouin du Sud just upatream of confluence
See080.jpg to See085.jpg tidal bore in Sélune River channel just u/s of confluence with Sée River
See086.jpg to See092.jpg tidal bore in Sée River channel just u/s of confluence with Sélune River
See093.jpg to See096.jpg tidal bores in Sée River channel, bore advancing on sand bank, and Sélune River channel in front of Pte du Grouin du Sud
See097.jpg to See105.jpg tidal bores with Ile de Tombelaine in background and seagulls taking off at bore arrival - Bores in front of Pointe du Grouin du Sud
See106.jpg to See118.jpg Sée River tidal bore with Ile de Tombelaine in background and seagulls taking off at bore arrival - Bores in front of Pointe du Grouin du Sud
See119.jpg to See128.jpg Sée River tidal bore with Mt St Michel in background and seagulls taking off at bore arrival - Bores in front of Pointe du Grouin du Sud
See129.jpg to See139.jpg Sée River tidal bore in front of Pointe du Grouin du Sud and turn around the Pointe du Grouin du Sud to enter the Sée River channel
See140.jpg to See168.jpg Sée River tidal bore in front of Pointe du Grouin du Sud after turn around the Pointe du Grouin du Sud to enter the Sée River channel
bore progressing against a steep slope with standing waves prior to bore arrival
See169.jpg to See180.jpg Sée River tidal bore moving u/s away from the Pointe du Grouin du Sud
See181.jpg to See191.jpg Sée River tidal bore moving u/s further u/s
See193.jpg to See205.jpg Sée River tidal bore moving u/s further u/s

Mascaret of the Sélune River at Pointe du Grouin du Sud

15 October 2008
MascaretSee01.wav DV quality
Between 06:48 and 06:52, on 15 October 2008 [miniDV Tape: 00:07:30 to 00:11:30]
Tidal bore passage at Pointe du Grouin du Sud : 1'40" to 1'42" of video (06:50)
Duration: 3'41"

File01.wav From 0'00" to 1'35" - Duration: 1'35"
File01.wav From 0'45" to 1'35" - Duration: 0'50"

File02.wav From 1'35" to 2'10" - Duration: 0'35"

File03.wav From 2'10" to 3'41" - Duration: 1'31"

Band pass filter: [0-4 kHz]
PSD graph : smooth 200

FFT analysis
Dominant frequency Track 01 Track02
File01.wav 77 77.8
File02.wav 113.7 110.4
File03.wav 112.2 81.4

Digital Video Camera Canon MV500iE (serial No.: 104516263621)
Specifications (Ref. Digital Video Camcorder Instruction Manual Canon MW500/MV500i, 2002)
Television system: CCIR standard (625 lines, 50 fields) PAL colour signal
Video recording system: 2 rotary heads, helicoidal scanning DV system (Consumer digital VCR SD system)
Audio recording system: PCM digital sound: 16 bit (48 kHz/2 ch), 12 bit (31 kHz/4 ch)
Image sensor: 1/6" CCD (charge coupled device) approx. 540,000 pixels (approx. 340,000 effective pixels)
Tape format: miniDV
Tape speed: SP: 3/4ips (18.83 mm/s) - LP: 1/2 ips (12.57 mm/s)
Max. recording time: SP: 80 min. - LP: 120 min.
Lens: F/1.6-2.9, 18x power zoom, f=2.8-50.4 mm (equivalent to 48-864 mm in 35 mm format)
Focusing system: TTL autofocus, manual focusing possible
Minimum focusing distance: 1m (1cm on maximum wide angle)
Maximum shutter speed: 1/8,000 s
Minimum illumination: 0.1 1x (using the Night program)
Recommended illumination: more than 100x
Filter diameter: 30.5 mm
Viewfinder: 0.44 in TFT colour LCD, approx. 113,000 pixels
LCD screen: 2.4 in i measured diagonally, TFT colour, approx. 112,000 pixels
Microphone: Stereo electret condenser microphone
Operating temperature range: 0 C to 40 C