Iyo Kuroshio Yazvino imuganhu wekumadokero unowanikwa muNorth Pacific, uchifambisa kufamba kwemvura inodziya, ine saline kubva pasi kusvika pakati-latitudes, ichipa simba guru kuChina, East Asia nemamiriro ekunze epasi rose. Shanduko dzeKuroshio Parizvino pamberi peRevolution Revolution dzinoramba dzisinganzwisisike, kunyanya nekuda kwekushaikwa kwe data rekuona.
Tsvakurudzo pamusoro pekuderera kweKuroshio ikozvino
Ongororo ichangobva kuitika yakaitwa nechikwata chekutsvagisa pasi pekutungamirwa naProfessor Hu Shijian kuInstitute of Oceanology yeChinese Academy of Sciences (IOCAS) yakaongorora zviyero zveSr/Ca zvePorites coral kubva kumaodzanyemba kweTaiwan, zvichiratidza kushanduka kwenguva refu Kuroshio ikozvino. .
Tsvagiridzo iyi yakaburitswa mujenari Global uye Planetary Change. Kubva pa Kuroshio yazvino ine simba rakakura pane hydrographic mamiriro epamusoro pegungwa, kusiyana kwekushisa kwepamusoro pegungwa kunogona kushanda sechiratidzo chekuchinja muKuroshio Current.
Kuchinja kweKuroshio current
Hu nechikwata chake vakaona kuti chiyero chemwedzi weSr / Ca mumakorari, chinoshanda sechiratidzo chakavimbika chekushisa kwepasi pegungwa, inokwanisa kunyora kusiyana kwepakati pegore mukutakura kweKuroshio. Uchishandisa chiratidzo ichi, Vakakwanisa kugadzira kuenderera mberi kwekuvakazve kweKuroshio yekufambisa kunotora makore kubva 1788 kusvika 2013.
"Idzi data rinoratidza kudzikira kwakadzikama kwekufambisa kweKuroshio kubvira 1788, ichiperekedzwa nekuwedzera kwekukurumidza kubva kuma1950 zvichienda mberi, zvichida nekuda kwekudziya kwegungwa nekukurumidza," akadaro Li Xiaohua, munyori anotungamira wechidzidzo ichi.
Uyezve, vatsvakurudzi vakaratidza kuti shanduko mulatitude ye bifurcation yeNorth Equatorial Current, chikamu chekushandura Pacific Decadal Oscillation uye El Niño Southern Oscillation zvakakanganisawo kusiyana kwakaonekwa muKuroshio Yazvino.
Purofesa Hu, munyori anowirirana wechidzidzo ichi, akati: "Iyi tsvakurudzo inopa muenzaniso unoshanda wekuchinja kwemvura yegungwa kuburikidza nekushandiswa kwemakorari geochemical indices, uye fossil corals inogona kushanda sematurusi anokosha ekutarisa kuchinja kwe paleocurrents mukutsvakurudza kweramangwana.
Historia
Izvi zvazvino zvakawanikwa muna 1565, apo Guipuzcoan Andrés de Urdaneta, maneja wekoloni, maneja wevafambi vengarava, corregidor, Augustinian monk uye akazvipira mutyairi mubasa raMambo Philip II, akawana zvakakosha paakanga ari muNao San Pedro. Akanga ari wekutanga kugadzira "tornaviaje", nzira yekudzoka pakati peCebu muPhilippine uye mahombekombe eAntigua California muNew Spain. Izvi zvakazarurwa nezverwendo rwekudzoka zvakapa Spain hutongi husingaenzaniswi pamusoro pePacific Ocean kwemazana emakore, hutongi hwakaratidzwa nemukurumbira "Manila Galleon."
Geography yeKuroshio Current
Iyo Kuroshio nzira, inoratidzirwa nehupamhi hwayo nhete uye inodziya, mvura inokurumidza, ine nzira yayo yakanyorwa zuva nezuva yakananga kumaodzanyemba kweJapan. Yakapoteredzwa neNorth Pacific Current kuchamhembe, California Current kumabvazuva, neNorth Equatorial Current kumaodzanyemba. Ikozvino inodziya inoita basa rinokosha mukuchengeta matombo ekorari eJapan, ayo anozivikanwa semakorari ekuchamhembe zvikurusa pasi rose. Pamusoro pezvo, iyo Tsushima Yazvino ibazi reGungwa reJapan. Ikozvino Japan inobatsirawo kumamiriro ekunze akapfava anoonekwa pamhenderekedzo yekumaodzanyemba kweAlaska uye muBritish Columbia.
Rwendo runotangira panzvimbo iyo ikozvino kuchamhembe kweequator inosvika kuPhilippine. Inopfuura nepakati peKyushu neRyukyu archipelago, ichigadzira izvo zvinozivikanwa sekukona kweGungwa reChina, uye inofambira mberi nemuTokara Strait, ichiita kutendeukira kuchamhembe. Panguva ino, kana kumhanya kweiyo ikozvino kwakanyanyisa, inopatsanurwa kuita nzira mbiri: imwe inofamba kubva kumahombekombe eJapan, nepo imwe ichitevera nzira yakaoma uye inomonereka, ichigara iri pedyo nemhenderekedzo. mahombekombe kusvika matavi ese asangana pedyo ne35° north latitude uye 141° east longitude.
Iyo Kuroshio Yazvino inozofamba ichienda kumabvazuva kubva kumahombekombe eJapan uye inova inozivikanwa seKuroshio Extension. Kuwedzeredzwa uku kunowana simba rakakosha uye kunoratidza kusagadzikana kukuru kudzamara yasvika kuEmperador Seamounts, musungo wemakomo emakomo anoputika pasi pemvura, kwainopararira ichienda kune akati wandei, mamwe acho anozobatana neNorth Pacific Current.
Satellite mifananidzo yeKuroshio Yazvino inoburitsa nzira yekutenderera iripo, iyo Inogadzira zvindori kana maeddies anoyera 100 kusvika 300 km muhupamhi. Aya maeddies anochengetedza chimiro chayo chakasiyana kwemwedzi yakati wandei uye anoratidza akasarudzika hunhu hwebhayoloji hunoenderana nenzvimbo yavo yekuumbwa. Kana maeddies akaumbwa pakati peazvino nemahombekombe eJapan, anogona kukanganisa sherufu yekondinendi.
Iyo yakakwira kinetic simba inosanganiswa neaya maeddies inoguma nekufamba kwemvura zhinji yakananga kune rimwe divi remhete panguva imwe cheteyo ichipinza mvura kune rimwe divi. Simba uye saizi yeeddies idzi dzinodzikira padzinofamba kubva kune ekutanga mafungu egungwa.
Biodiversity
Muganhu wenzvimbo dzekumavirira unofambisa kukurumidza kutakurwa kwezvipenyu pamusoro pemadaro akati kuti, uye mhando dzakawanda dzemugungwa dzinokosha mune zvekutengeserana dzinotama mukati meaya mafungu apo dzinopedza kutenderera kwehupenyu hwadzo. Chikamu chikuru che Makungwa epasirese akagarwa ne subtropical gyres, ayo ave kuita zvibereko zvakanyanya kupfuura pakutanga.. Uyezve, basa rayo mukugadziriswa kwekabhoni dioxide inobatsira zvikuru kubhajeti yepasi rose ye carbon dioxide.