Packet 3: Bonus 17

The Woods Hole Oceanographic Institution’s EM300 multibeam system uses this phenomenon to map the seafloor. For 10 points each:
[10m] Name this phenomenon used in namesake ocean tomography arrays track changes in a quantity demonstrated using Kundt’s tube.
ANSWER: sound [or acoustics or bioacoustics; accept sonar]
[10e] Ocean acoustic tomography measures sound speed variations as a proxy for this quantity over large areas. Gradients in salinity and this quantity form a part of oceanic circulation sometimes called the global conveyor belt.
ANSWER: temperature [or sea surface temperature]
[10h] This ocean layer acts as a waveguide to transmit long-distance acoustic signals. Whale songs were behind the “Jezebel monster” that naval hydrophone arrays detected in this layer.
ANSWER: SOFAR channel [or Sound Fixing and Ranging channel; accept deep sound channel or DSC]
<Editors, Other Science> | L. Playoffs 3 (Editors 3)

HeardPPBE %M %H %
2018.5095%55%35%

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Conversion

TeamOpponentPart 1Part 2Part 3TotalParts
British ColumbiaVanderbilt010010E
BruinNYU B010010E
Chicago AVirginia Tech010010E
GeorgetownPurdue1010020ME
Georgia Tech BJohns Hopkins010010E
Illinois AMinnesota010010E
MITCambridge10101030MEH
Maryland BBrown010010E
MichiganOhio State100010M
Northwestern AHarvard10101030MEH
Penn StateGeorgia Tech A010010E
Stanford AMaryland A10101030MEH
TexasGeorgia Tech C0101020EH
Toronto ANYU A10101030MEH
Toronto BPittsburgh1010020ME
UC Berkeley AIndiana1010020ME
UC Berkeley BColumbia A10101030MEH
VirginiaColumbia B1010020ME
WashUUCLA10101030MEH
WaterlooNorth Carolina010010E

Summary

TournamentEditionMatchHeardPPBE %M %H %
Main Site2026-04-17✓2018.5095%55%35%