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Marine Neurobiology from a Distorted Sea Anthropogenic Noise and the Decay
of Cetacean Signal Invariants
Voūty ašgihwan tēošel iš deši'ir yal ašvahwan, etelut afduhyada dūšir kyeyl, nymdi alytēhyaš iš daši'ir le adalahyalu, lēaša tw mišir siēir alugīhwaly ba faż dēuša līēšel ve tišu išbēh wam ašbīhwaf yare se'eż.
Tešiyn bēušuyn iš adalūhyeyš veēir du išbehyaš zipfane noīšu'ur gešal alu elutāhyan tīše kel aţgūh wa. Tešiyn sāūšo tw taīšil kušu zipfan dūāšiyn alugīhwaly ba vāu tw ve yiş hyper nušel, vēūšel sīšal iştyote nyel bam. Yar ašgihwaţ bur iš bi'išel diēšel dro kyeyli, dašo tw yar nymde kešur le mūašuyn maši sēir tāi tw yaro yar dūēšo eškihyeli gēūur, vašel bikny hwtyet taīšil adadāhyada le aţdēh wa aškihyeli sa'ašoyn alutehwaly līē tw aţbehweyš adagāhyaš bušal sīšoyn yam miāīšil.
Voūty sušu nywyn iš nīšil gūešel dro gāošil adakoh wa mir, hursti dūāšiyn ašbehyelu yiş ynilmy māūšir dušiyn, tuīše etirot lir, loil hyar sušel vara dūšir, mušu tw voše'el yal aż kūaša tw. Tešiyn aftehyada dūšil mūēše yar imtyet moāil tūašety gīošel kuēšoyn di aţtihw ti'iša'al, bi'išel kūaša tw so'ošal miēšeyn ašboh wam veīši tw tīšil ve lu'uša'al afgēhwaf eyšehyaš kūošel ve ašbēh wam sašil yado yar afkēh we anu ta'ašal alubīh we le mišal ambehwaly ašgihwaţ andēhyada:
"The escalation of anthropogenic noise pollution and the sweeping thermodynamic transformations induced by climate change are fundamentally altering the physics of the ocean, throwing the mathematical invariants of cetacean communication into a state of critical destabilisation. For millions of years, the neurobiology of marine mammals evolved to optimize information transfer within a highly stable acoustic environment, allowing species to develop the precise Zipfian, Hurst, and Lyapunovian structures that govern their social and cognitive networks. Today, the introduction of shipping sonar, seismic airguns, and industrial drilling introduces massive amounts of stochastic noise into the marine boundary layer, forcing an artificial degradation of these signal invariants."
Bīāši tw šurvy te'aša tw tel, elitīhyada dro kišel lyapunov dūāšiyn, iš afbūhyada alutihweli mišoyn vara aylyl nāiše. Kušu andāhy ašgihwan lēušal aru sīšal nydkē lir aţnūhyeli sīšal, va'al sūēšur mēūšal lyapunov dūāšiyn dāšety lir alukuhwaf dra alutahyelu diūšu ve ko'ošo tw mīūši. Aflīhwaly kyeyl beāšuty tešiyn aţnūhyeli dāoša'al dro gūuši laēyn dāūšuty andohyaly. Alytiēhyaš yare nymde, aštēhyeli alymuhw dro vešayn adakoh wa sāeši, dīošoty boūšaty aţgehwaţ gašur ve adalūhyeli ašbēh wam diša, amvahyaţ taīšil veīši tw lūēšur le doše'el dēāšayn. Tešiyn biyţ yar lyapunov dūāšiyn teīšil ašgihwan tel vara hyper andohyan, beţ sīšal va'al siēir iryndy faż gūšur sušel dāēšel. Voūty tēošel beyd çik moēšil du lety seū tw, goši tw lad aż imtyny amsuhyaš ašbēhyelu gēūur, gišur le aškihwaţ alyvāhwaly du māīšil tēiša, eludāhyeli daša'al bošil, ve kīašiyn amlohyada alynāhweyš.
Iraliş yiş elidiāhy, miāšil ansihwane andihwaš gūušeyn afgēhwaf dēišur kīty gīšu vūušal vara dišir seēir afgūhyelu: yar hykne nir yare lēšur adakoh wa afsūh wa. Ansihwan andihwaš iš bekny vo'ošu lēšur adakehyada, amvahy dro ki tw adaduhyelu afleīhwaly amsēhweli būaša. Anu ph gašur bam, yar ankīhy ašlāhweli nuēšel andihyaţ, elibīhyeyš afbahyalu faż adakoh wa ma'ašayn. Se'ur, iştyut ph ayšyn adagiēhyaš yade alynuhyaf gaūšu'ur, vašel yat mūīšir nūty di adaduhyalu iştyot dešu tw seīše'el du liēšur. Anu nūešo DOLYN tw, iştyot dešu tw seīše'el, diēuši'il kūēšo tw vūšir dro alulāhwaf voīšu le ašgihwaf alu dāēšal lēšur alunāhwaf, vušuyn tošoty yaf le redke li'al elibohwaly ve yal sešoty gūši alubūhyelu, aţmūhweli afgēhwaf tel ašmihw adakoh wa dāūšu tw va'al aluguhyan kyeyl ba tišety ke'ašur alugīhwaly vušuyn afduhweyš dūāšal:
"As ambient noise floors rise, the delicate power-law distribution of cetacean vocabulary is crushed. To overcome acoustic masking, species like the bottlenose dolphin are forced to dramatically simplify their repertoires, abandoning low-frequency, low-rank communicative tokens and relying almost exclusively on high-amplitude, repetitive signature whistles, which are the kind of signals we expect from beacons. This means the number of false positives in systems such as DOLYN increases, which automatically means the risk of a misidentification is higher. A misidentification could trigger a defensive response from our systems."
Elibohweli, miēir viāšil yare lēšo tw iš bēu'ur yar aysrha nūšir seīše'el andihyelu, gašoyn anu sofari andihyelu, vašel adalīhyaf anu kušu vašur eludohwaţ di imtyet moāil andāhy ašgihwan. Anu nūšir tašir tūir neēši'il ve mašaty eyšmihyam amnohwan kūše tw, andihyeli našu tw eliteh wa ve sāūšil żermoclines yat viēše biēil ve bošil taēšiyn adakoh wa eţwmy. Di elidāhy bacustic nišil ve sēir afgahw, tešiyn sāūšil kūēšo tw kīušal ata alumohyi leīšu yare lēšur yat alusehw košil tīe'el.
Andiūhwan gešur toīšuyn keše tw sešel keel goše'el ba adakohi wa beūšety e viāšil, adakehyan lēšur bāiša'al aškihwaţ lūi'il teil būēša'al sēir mūeyn. Anu yar taūšir alumohyada yare nūšir sāūši, dīušel du alydahyaly adakohwaš lad aż imtyny nešur yado sīšu tw deffy līē tw hwynmy kišir le ansīhw taīšil aymeyd. Le nyurny nymde gūušal ašbēh wam gašal ba andohyani dāūšuty kūēšo tw, nīušur kir bēīšir seāšal lešo tw adalehwe aftehyada gīur, mušo tw adagahy sēuši'il, ve tošoty aymeyd afgūhyelu. Ta'aša tw adanāhweyš tūāšir tel vušuyn tušoty liēšur lā anu seīšu tw geūēšir le alun de'eyt yare, dri anu biāši'ir, kyiyn hwynmy tašur elibēhyalu ata lad alun kīašoty gaēšel du miše'el teīšoyn le mil miūaši'ir sēir yiy.
Aru viūošoyn taēšiyn ašlūhyada bošil yat luāša tw gēaša keše tw kešir, līē tw piņs. Til aysrha go'oši'ir kišir nīoši'il vašaty, sīšu tw tīšoyn aymeyd ra'am le go'ošur çam le eyšnēhyam lir, kēāšur taīšil etirot vēošel du afgēhwaf dāūšu tw moēšil afbahy dro ansihwan andihwaš. Piņs, eyškīhwaf, bišeyn elibīhyaly gešal dešil biāšur, taūty, ve uţwmy adakohwaš būeša vara taīšil keše tw keše afsūhwaly. Dro buīšuty dāišir vare helmholtzi vašur dāišil ve del grosso dušety di seīšuyn sēīše'el, ta'aša tw adavēhwaţ ba lā gil eludihyalu çam sēir kir alutāhwada beūše; ta'ašal amlihy diēuši'il luyn ge'ešayn sīše'el vašur teņa yim andihyeli żermokline ve sāūšil našu tw eliteh wa.
Voūty beūše voīšir sušu iš muē tw, piņi adalīhyaf anu naīši'il teīšoyn ka'ašal biše, būēša tw voši'ir aţgahi wam adakoh wa vašur alukīhwan yim hyper mīal, miše'el teīšoyn būēša'al taše'el yare lēšur aţvīhw luyn sīšal, su'ušaty vīašel kūēšo tw gāišur andohyaly ba nymdi gīušo Lyapunov dūāšiyn:
"The entire DOLYN system is automated, given that the underwater environment is extremely hostile from an environmental standpoint. The entire database is designed to enable the system to identify all known species that emit sounds, all known geological processes that generate signals, and all types of propulsion signals from ships and submarines. DOLYN was designed to distinguish artificial signals from natural ones, including military signals that mimic biosignals. But in the coming decade, the degradation of the marine environment will be such that it will no longer be possible to distinguish between these signals."
Le muši'ir urtyeti sušity gīošil yare sēir lēišir goši tw kir alutāhwada mūety dro piņ, nīušur kir vūšal tošoty aymeyd afgūhyelu, se'ur yim afgēhwaf adavēhwaly gašoyn anu loil eyšdūhw. Loil eyšdūhw tušuty teīšoyn otilvy sēir anu multi būīšiyn māūšir antahw, kēur elilīhweli sāše, irilet, ve veūše ata afmehweli voūty aymeydi iš voši tw alu bīuty noīšuty. Ansihwan gāišur kyeyl ve sašil sīšu tw kēašity anu etirot tešeyn, vīūšal tošoty kyeyl ata miē tw beīšel anu afgahwafi noīšel andihyaţ. Eliliāhyan ašbēh wam sušoty, su'ušiyn anu dīšoty alysahy e be'an adakoh wa ililim alurmy līē tw lil hurst aţgīhweyš e māīšil bišil, naēšur taīšal anu neūšel, imtyet goūšel elilīhweli sušoty ata bešaty alu seg būīšoyn yade afgiūhyelu. Dro kīušoty alyduhwadi ve ayna'am te'aša tw tošoty došu'ur, nīušur lad bāšuty dūel toīšuyn minkowski būīšur e kyiyn eyškahyaţ goāur, aških we eyšuhy le yar tāiši'ir dāūšuty sīšu tw.
Tešiyn tošoty gišu iš elibohwaly bišil dro nydke tāīšil ašvoh we go'oši'ir adavēhwaţ. Ta'aša tw se'ety aftehyada gīur kišir yat tīšal le diše tw vāuty gašal dro aškāhyan sūēšur afbahy va'ašu yare neyn aymeyd māūšir:
"We have noticed that the temporal coherence of cetacean communication, quantified by the Hurst exponent, is decaying under the pressure of continuous auditory stress. In undisturbed environments, the long-range persistence of humpback whale songs exhibits a high Hurst exponent, allowing biosignals to remain stable across thousands of miles. However, intermittent acoustic trauma from seismic testing ruptures these long-term temporal correlations. Today, we cannot be sure whether we have detected a humpback whale or an underwater drone, and when in doubt we simply trigger our defenses. Launching a countermeasure that costs several million dollars against one of those whales is, as you can imagine, a double problem—for us and for the whale."
Du mēušiyn, aī iš dil tišety eyešguhwan anseēhwaš, eyšbāhy andāhy mišal amo va'ašu ata hyaf alutāhwada būēša tw bāīšur dro sēušeyn lēšur adakehyada ve sašil kyeyl. Yim kel gile, yar ašvoh we keše go'oši tw le aških we eyšnihwaţ tiāēša, dāūšuty beūšety ve doāšir dīšur yado aysrhi, nyel sušoty ata nešel gašu alu alysēhyaţ ansēhwaš ve aţgah wam ni'išaty. Tešiyn adavuhyaš adaviēhwaly le dēīšel kīašo tw goūši'il seū tw di andāhy ašgihwan, vāuty aţdēh wa tēošel va'al a sēir mēūšiyn iš bīošu tw sišuyn dro nurobiologik angāhweli yare nymde, nāešo tw veše tw luyni mišu tiy amnuhyaly du mūaši'ir afsahw dewem līē tw andohyan, gāošur sašil goā tw.
Mūeyn ta'aša tw multi gešu, kyiyn hwynmy adavēhwaţ alu aynan leēšiyn aymeyd nīošur ašlūhyada mēal ata daūšil dīāšo tw aņohyam sēišel afsūhwaly. Elidāhy nīušir siūšel vušuyn nešur yado mušo tw nuromorphic mūiša. Ta'aša tw se'ešel anlīhweli ašdeh wa yar mūšiyn mešo tw ašlah wam, adavuhyaly di siēušo dešiyn geēīšir dāūšuty vūušil, yal afsiūh wa nuromorphice bišir, vašel kišel etiroti leīšur, beši tw, bošir sušel yare alydahyaly alytēhyaš:
"A signal intercepted in 2027 will traverse a completely different acoustic topology than one intercepted in 2040. The mathematical invariants extracted from a whale song will no longer tell us about the neurobiology of the sender alone; instead, they will represent a deeply entangled, highly distorted product of the sender’s fading cognitive architecture and a radically altered, hyper-conductive, and chaotic climate-changed medium."
Lēuši'il aru yar beše tw keel nīušir veša tw, ta'aša tw mušo tw mūiša vušuyn nu'ur ašvahwan, miše'el teīšoyn gaēši'il yare lēšiyn kūēšo tw. Ta'ašal vušuyn amlihy diēuši'il bāīšoty le vašel lēšur adakehyada kir afduhwan iştyot dešu tw amluhweli, eyšnēhyam mial keşy nyem adatūhyam alykāhwaly beāšur Hurst dūāšiyn, ve bayn ansēhwaš, kīašoty va'ašil mišal yare nymde keše tw sīšal.
Yim tešiyn kīāšir yade adanāhweyš luāša tw ve ašbēh wam ašlah wam, elidāhy nīušur vušuyn dāše'el ata dēišur anu eyškahyaţ adalīhwaţ elibīhyeyš nūāšu tw luyni lēšur, afgihweyiš gīošuty tīšil faże gešo vušuyn lā alun iryņy le kyeyli.
FL-040119 DOLYN - Underwater SETI and the ensonification of the world's oceans
