ʻO ka ʻāina ʻewalu .. ʻO Zealandia kahi honua weliweli a me nā mea huna no ka manawa mua

Ma kahi hohonu ma kahi o 3500 kapuaʻi (1066 mau mika) ma lalo o nā nalu o ka Pākīpika Hema e hoʻomaha ai ka ʻāina ʻewalu i nalowale, ʻo ia ka nui o ka ʻāina i loko o ka wai, i kapa ʻia ʻo Zealandia, ka mea i hōʻoia ʻia e nā ʻepekema he ʻāina i ka makahiki 2017, akā ʻaʻole hiki iā lākou ke kaha kiʻi. palapala 'āina e hō'ike ana i kona laula piha.

Aia ʻo Zealandia ma lalo o ke kai o ka Moana Pākīpika, ma ka ʻaoʻao komohana hema, a me ka ʻike ʻia he hapa wale nō ʻo Aotearoa i kēia manawa.

"Ua hana mākou i kēia mau palapala 'āina no ka hāʻawi ʻana i kahi kiʻi pololei, piha, a me nā manawa hou o ka honua honua o New Zealand a me ka Pākīpika Hema Komohana - ʻoi aku ka maikaʻi ma mua o kā mākou i loaʻa ma mua," wahi a Nick Mortimer, nāna i alakaʻi i ka hui.

He aha nā mea kupanaha ʻehiku o ka honua i pīhoihoi i ka honua?

Ua hōʻike ʻia ka palapala ʻāina bathymetric a Mortimer et al e hoʻopuni ana iā Zealandia, ke ʻano a me ka hohonu o ka papakū o ka moana, a me kāna ʻikepili tectonic, i hōʻike ʻia i kahi kikoʻī o Zealandia, ma nā palena pā tectonic.

Ua hōʻike pū ʻia nā palapala ʻāina i ka ʻike hou e pili ana i ka hana ʻana o Zealandia, ka mea i hoʻopaʻa ʻia i loko o nā miliona mau makahiki i hala.

Wahi a nā kikoʻī hou, uhi ʻia ʻo Zealandia ma kahi o 5 miliona mau mile square (XNUMX miliona mau kilomika kilomika), ma kahi o ka hapalua o ka nui o ka ʻāina kokoke o Australia.

No ka ʻike hou aku e pili ana i ka ʻāina i lalo, ua palapala ʻo Mortimer a me kāna hui iā Zealandia a me ka papahele o ka moana a puni. Hōʻike ka palapala ʻāina bathymetric i ke kiʻekiʻe o nā kuahiwi a me nā kualono o ka ʻāina i ka ʻili o ka wai.

Hōʻike ka palapala ʻāina i nā kahakai, a me nā inoa o nā hiʻohiʻona nui o lalo o ka moana. He ʻāpana o ka palapala ʻāina hoʻolālā honua No ka palapala ʻāina holoʻokoʻa o ka papakū i ka makahiki 2030.

Ua manaʻo ʻia ua kaʻawale ʻo Zealandia mai Australia ma kahi o 80 miliona mau makahiki i hala, a piholo i lalo o ke kai me ka nahā ʻana o ka supercontinent i kapa ʻia ʻo Gondwana Land.

Ua wehewehe mua ʻo Mortimer ua loaʻa i ka poʻe kālaihonua, i ka hapa mua o ke kenekulia i hala, nā ʻāpana granite mai nā mokupuni kokoke i Aotearoa, a me nā pōhaku metamorphic ma New Caledonia e hōʻike ana i ka hoʻokele honua.