Sheiltynys Asoagh
Ta'n sheiltynys Asoagh (ny sheiltynys Abyssus) keayrtyn çheet er sheiltynys oaylleeagh currit noi va currit roish liorish Edward Forbes ayns 1843, raad dooyrt eh dy vel palçhys as caghlaa bea varrey leodaghey tra t'ou goll ny s'diuney as, rere co-earrooaghey rere e howshanyn hene, ren Forbes earrooaghey nagh vel eh jargal çheet er bea varrey ny s'diuney na 300 feiyn (1,800 tr; 550 m).
Scrutaght er y çheiltynys reagh
Va'n sheiltyns bunnit er feddynyssyn Forbes er boayrd y HMS Beacon, lhong howshanee raad v'eh pointit myr najooragh liorish anneyder y lhong, y Captan Thomas Graves. As Forbes er boayrd, ren y HMS Beacon shiaulley mygeayrt y Vooir Aejeeanagh er 17 Averil 1841 voish y Valta. Ec y voayl shen, hoshee Forbes goaill sampleyryn sleaydit voish diunidyn eigsoylagh jeh'n cheayn as hug eh my-ner nagh row caghlaays ny beiyn voish ny diunidyn s'diuney cha berçhal as ny beiyn voish ny diunidyn s'eddrymee, as dy row ad ny sloo chammah.[1]
Hoilshee Forbes e eddynyssyn voish y Vooir Aejeeanagh 'sy tuarastyl echey ayns 1848 dys y Çheshaght Ghoaldagh va enmyssit Report on the Mollusca and Radiata of the Aegean Sea. Va ny feddynyssyn shen doltit er y chooid smoo liorish y voodeeys oaylleeagh as chur ram oaylleeyn elley rish yn eie shen myrgeddin. Ren David Page (1814–1879), creg-oayllee ammyssit, aa-hickyraghey yn sheiltyns tra dooyrt eh:
"according to experiment, water at the depth of 1000 feet is compressed 1⁄340th of its own bulk; and at this rate of compression we know that at great depths animal and vegetable life as known to us cannot possibly exist – the extreme depressions of seas being thus, like the extreme elevations of the land, barren and lifeless solitudes."[2]
Cha row yn sheiltynys shen prowit noi derrey ny 1860yn jeianagh[3] tra ren y bea-oayllee Michael Sars,[1] Olloo y Vaagh-oaylleeaght ec Ollooscoill Christiania (Oslo jiu), feddyn bea ec diunidyn ny s'diuney na 300 feiyn.[4] Ren Sars listal 427 dooieyn dy veiyn va feddynit rish y choose Norlynnagh ny s'diuney na 450 feiyn, as chur eh sheese er y chrinoyd Rhizocrinus lofotensis va feddynit liorish e vac voish 300 feiyn ayns Lofoten.[3] Ayns 1869, ren Charles Wyville Thomson sleaydey bea varrey voish 2,345 feiyn (14,070 tr; 4,289 m), chur jerrey rish sheiltynys Asoagh Forbes.[3]
Imraaghyn reagh
- ↑ a b "Deserts on the sea floor: Edward Forbes and his azoic hypothesis for a lifeless deep ocean" (Nollick 2006). Endeavour. Ym-lioar 30 (4): 131–7. doi:. PMID 17097733.
- ↑ Page, David (1867). Advanced Text-Book of Geology. Edinburgh: William Blackwood. dg. 20. ISBN 1314059149 – via Physical Copy.
‘According to experiment, water at the depth of 1000 feet is compressed 1/340th of its own bulk; and at this rate of compression we know that at great depths animal and vegetable life as known to us cannot possibly exist – the extreme depressions of seas being thus, like the extreme elevations of the land, barren and lifeless solitudes’
- ↑ a b c "UK Deep-Sea Image and Video Library". archive.noc.ac.uk. Er ny hashtey veih yn lhieggan bunneydagh er 16 Sauin 2016. Feddynit magh er 16 Sauin 2016.
{{cite web}}: Check date values in:|accessdate=as|archivedate=(cooney) - ↑ Darmstaedter, Ludwig (1908). Handbuch zur Geschichte der Naturwissenschaften und der Technik. Berleen: Springer. dg. 541 – via Open Edition.