ʻO ka nui o ka ua e ana ʻia i ka wax mea kanu

 

Hale ʻAi ʻAi Kai ʻInikia

Hale ʻAi ʻAi Kai ʻInikia

I ke Kai ʻInikia, ka nui o ʻano ʻokoʻa ka ua. ʻOiai ma nā ululāʻau humuhū o Sumatra ua nui ka ua, ʻo ka ʻĀpana ʻApelika Hikina maloʻo i loli ʻia e maloʻo. Nānā nā kānaka noiʻi mai ka Center for Research on Biodiversity and Climate (BiK-F), ka Institute of Technology o Kaleponi (CIT), ke Kulanui o Kaleponi Hema a me ke Kulanui o Bremen i ka hoʻomau ʻia ʻana o kēia hanana pōʻaiapili bipolar i ka wā o ka he 10000 mau makahiki i hala.

Ua paʻi ʻia kahi noiʻi pailaka i kekahi mau lā i hala aku nei i loko o ka "Procedings of the National Academy of Science" e hoʻomālamalama ana i ka ʻōnaehana aniani nona nā ʻano heleleʻi ka hopena nui loa i ke aniau o ka honua. No laila, he hoihoi nui kēia aʻo ʻana i nā kānaka noiʻi aniau.

ka He kūlana koʻikoʻi ka tropika i ka ʻōnaehana ani honua, i waena o nā kumu ʻē aʻe no ka mea ʻo ia ke kumu o nā phenomena climatic loa e like me El Niño a me nā monsoons. ʻO kekahi o nā wahi nui loa o kēia ʻano ka Indo-Pacific, ma ka Hikina Hema ʻo Asia ʻoiai ʻo ia ke kumu nui o ka wai mahu o ka lewa, a ʻo ka mea loaʻa nui o ka ua ma ka honua. Ua ʻike nā kānaka noiʻi i nā loli o ka ua i waho o ke kai komohana o Indonesia i nā makahiki he 24000 i hala aku nei i mea e maopopo pono ai nā ʻano ua a me nā dinamika.

Wahi a nā kānaka noiʻi, ʻike ʻia ka Dipole Kai ʻInikia (Ke Kai ʻInikia Dipole), he hiʻohiʻona mau ia o ka ʻōnaehana ani āpana no nā makahiki he 10000 i hala. Ma waena o nā hōʻike ʻē aʻe, ʻike ʻia nā lau ua anomal ma ka lihi hikina a me komohana o ka Moana ʻInikia, pili pono. Hōʻike ka uha dipole iā ia iho i ke kiʻekiʻe o ka ua ma ke komohana komohana o Indonesia, ʻo ka haʻahaʻa ma Africa Hikina a ʻo ka ʻaoʻao ʻē aʻe.

Kuhi ʻia kēia noi hou, ka nānā ʻana i ka awelika o ka heleleʻi ʻana e lawe ana i nā wā o 30 mau makahiki, e hōʻike ana ua mālama ʻia kekahi ʻano like i ka mau makahiki 10000 i hala iho nei. "ʻO kēia mau ʻano nānā e pili ana i ka wā i hala e hiki ke kōkua i ka hoʻokaʻawale ʻana i nā oscillations maoli o ka ua mai nā mea i hoʻokumu ʻia e ke kanaka, i manaʻo ʻia he mea nui i ka nānā ʻana i ka loli mau o ke aniau" ʻōlelo a Dr. Eva Niedermeyer (BiK-F), ka luna o kēia noi. .

Ua hana ʻo Niedermeyer a me kāna mau hoa noiʻi me nā laʻana sediment moana i lawe ʻia i waho o ke kai komohana o Sumatra ma kahi hohonu o 481 mau mika. Ua nānā lākou nā wax i loaʻa i nā mea kanu ʻāinaHe papa ia ma luna o ka papa o nā mea kanu e pale iā lākou mai ka make wai a me ka hoʻouka microbial, i koe i nā sediment.

No laila hiki ke kūkulu i nā loli o ka ua ma ke ana ʻana i ka hoʻohui isotopic hydrogen stable i nā wax plant terrestrial, ʻoiai ka ua ke kumu nui o ka hydrogen i mālama ʻia i nā mea kanu. Hoʻonui kēia ala i nā hoʻohālikelike ana pololei me ka liʻiliʻi o ka hoʻolōʻihi manawa i nā wā lōʻihi o ka wā i hala.

Me ka hopena o ke kau hau i hala e kū mai ana nā mahana a me ka hoʻoheheʻe ʻana o nā papale hau polar, i ukali pū ʻia me ka piʻi ʻana o ka ua ma Indonesia a ma nā wahi ʻē aʻe he nui o ka honua. I ka hoʻohālikelike ʻana, ua hōʻike ka moʻo wolo mea kanu i ke aʻo ʻana iā mākou i ka nui o ka ua i ka wā o ka Glacial Maximum a me ka Holocene i like loa.

ʻO ka nui o ka ua i hāʻule i loko o nā makahiki he 24000 i hala aku nei me he mea lā e pili ana i ka pae o ka hōʻike o ka Sonda Platform a me ka kikoʻī i ka topographic kikoʻī o ka lihi komohana o ka ʻāina, ʻaʻole wale i nā palena palena o nā kūlana o ka deglaciation. ʻAʻole kēia ka mea i manaʻo ʻia, no ka mea ma muli o nā noiʻi i hala iho nei ua manaʻo ʻia ʻoi aku ka maloʻo o ka ʻāina holoʻokoʻa i ka wā o ka Glacial Maximum hope loa i hoʻohālikelike ʻia me nā kūlana o kēia manawa, hoʻopau ʻo Niedermeyer.

ʻOiai hōʻike ka noiʻi i nā loli wā lōʻihi i ka ikaika o ka ua ʻaʻole mau nā kānaka i hoʻokomo ʻia, ʻaʻole ia he kumu no nā anomalies kūlohelohe o kēia wā ma nā ʻāina o ka lihi o ke Kai ʻInikia a me nā ʻaʻole pinepine i ka mana kanaka.

Ke ʻike nei nā ʻāpana o ka Moana ʻInikia i ka hoʻonui ʻia o nā lehulehu, a ʻo nā kūlana pōʻino o ka wā e hiki mai ana e alakaʻi i ka hakakā politika a me ka nohona. ʻO ka ʻike ʻoi aku o nā phenomena climatic a me nā hana huna e hūnā iā lākou i kēia wahi e kōkua i ka hoʻonui ʻana i ka hoʻonā ʻana o ke anilā a pale i kēia ʻano hakakā, ke kakali nei i nā hopena hopena.

More 'ikepili: Hoʻonui ka maloʻo i ka pilikia o ka meaʻai ma ka SahelʻO Indonesia ma ke kaʻe o ka hāʻule ʻana mai nā ua nui

Nā kumuhana: senckenberg


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