Raukura Pūkaha Matū: Mātāpuna Whakamua mō te Ao Tere Moana o nāianei

Ngā Kāwai Katoa

waka rākau karbona

Te mahara kākano whakaheke o te waka rere represents a whakariterite whakatupuranga i te whai ao whakahaere, e hīkina nei te tūmanako me te kino iti nui. Ko tēnei rauemi whakamahinga matua he karbonētā i waenganui i ngā āhuatanga katoa, ka tuhituhi ki ngā whatiwhati karbonētā, e mau ana ki te kotahi hei hanga roa i ngā kākano me ngā āhuatanga mōhio nui. Ki runga i te whakawhanake o ngā waka rere, ko ēnei kākano ka noho i roto i te haraatai resin, ka hanga i tētahi rauemi ka whaihua i ngā mete pūnaha tūmatawhiti i te tūmanako-ki-te-kino iti. I whakaaetia ai te whakamahinga o te kākano karbonētā ki te whai ao rere, ka puta ake te hunga whakawhanake ki te hanga i ngā waka rere iti rawa atu, e paihere ana i te oranga urenga, ahakoa ka tiakina anō hoki te whakapae tuheretanga rerekē. Ko te whaimana o tēnei rauemi kei te whakamahia i waenga i ngā tahuhu waka rere me ngā whakairo kanohi, ki te take waka rere hoki me ngā whenua motokakahu. Ko tana whiuwhiu ki te mate urutomo me te korotomokia, i kitea tonu i te iti hoki te whanaketanga o te āhua o te werawera, ka whaihua ki te whakamahinga whakahaere. Ko ngā waka rere pāpori ā-ture i te nehe, pērā i te Boeing 787 Dreamliner me te Airbus A350 XWB, ka whakamahia ngā rauemi kākano karbonētā mo tua 50% o ō rātau whare, ka tārewa te tūranga o tēnei rauemi ki te hanga whakahaere whakahaere o te ao hou.

Mōhiohanga Hou

Kei te whiwhi i ētahi atuanga nui kē a te karbona fīwera o ngā waka rere, e hanga ana i ngā whakatōranga me ngā haurongo o ngā waka. Tuatahi anake, ko tana maha tonu ki te whakangungu, heoi anō he iti rawa tana mass, ka puta iho tēnei i te urutomo o ngā whare whakarere, ka hurihia ki te pai ake o te whakamahinga nei, ka whai take hoki i te mohiotanga o te kuhu. Ka puta tēnei iwi i runga i te 20% i raro i te whakamahinga nei i mua i ngā waka whero. Ko te uara matua o te pūnaha hei whakahē i te mate me te kōpikopiko, ka whakaiti haere i ngā huringa whakahaere, ka noho roa ake hoki te wā o te mahi, ka puta ake hoki i ngā utu whakahaere mō te wā e hou nei. Ko te pai ake o te karbona fīwera kei te pai tonu, kei te tika tonu, ka taea te whakapai i ngā hokinga o ngā waka. Kei te pai hoki tana āhua hei hanga i ngā āhua whaimana, ka taea te whakapai i ngā whakatōranga o ngā waka. Ko tana āhua pai ki te whakamutu i ngā werawera, ka whakaiti i ngā reo, ka whakapai hoki i te mana o ngā kaiherehere. Mō te taumata, ko te karbona fīwera e āhei ana ki te whakapai i te whiu, ka taea te hangaia hei kawe i te whakapae whakamutunga. Ko tana itinga hauropū e whai ana i te whakapai i te whakapai i ngā wā e hāngai ana ki ngā wā e hāngai ana, e hiahia ana ki ngā mahi whakarere i ngā wā e hāngai ana ki ngā wā e hāngai ana. Ko ngā paenga e pai ana kei te whakapai i ngā āhuatanga o te taiao, ko te iti rawa o te waka, ko te āhua hoki o te whakarite i te wā e mutu ana te wā o te mahi. Ko tana whanonga e āhei ana ki te whakamahi i ngā rautaki whakahaere, ka āhei ki te whakahaere i ngā tikanga whakahaere.

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Hona Pūmau Kōwhiringa

Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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waka rākau karbona

Te whanuitanga tuhituhi me te tūnuku

Te whanuitanga tuhituhi me te tūnuku

Kua whakaangiangia te whiu o te kaihanga uara ki te whakapuakitanga tino pai o ana tuhituhinga molekulara me te kaupapa hanga. Ko te rangatiratanga o te uara i te whakarite tino pai o ngā pūmotu kārua e takoto ana i roto i ngā puhipuhi roa, whakatōmuri iho nei, he puhipuhi nui ake i te toko rānei, engari he iti noa iho i te rahi. Ki te whakamahia ngā puhipuhi nei i waenganui i ngā uku epokī matatika i roto i te kaupapa hanga rārangi kia tika, ka hanga i tetahi uara kotahi e pa ana i te kohikohinga tino pai. Ka taea e tēnei uara kotahi te hokiwhiti i ngā kaha tino nui me ngā āhuatanga taiao nui rawa, whakatataringa i ana āhuatanga mō te wā o te oranga o te waka rere. Ko te whiu ki te mate kaiwhiuwheutanga ka taea e ia te hokiwhiti i ngā huringa kaiwhiuwheutanga anake, he nui ake i ngā uara kino matua i te roa o te whakatūtanga. Nei pea, ko tana whiu matua ki te kōpūtanga ka noho iho ia i te kore hokoaro mō te whakarite, me te iti haere o ngā hiahia whakahaere, ka puta mai he moni nui i runga i te wā.
Te Iti Atu o te Rango me te Tono Wai

Te Iti Atu o te Rango me te Tono Wai

Te whakatinanatanga o te kāpene karbona ki roto i te hanga pūkana e tango ana i ngā uara āhuarangi nui noaiho, nō reira te whiuahi rākei. Ko ngā pūkana ahuatika e whakamahia ana i ngā hokohoko karbona ka taea te tango uara e huringa ana i te 20% i runga i ngā hanganga whakarawea i te āwhiutanga. Ko tēnei tango nui i te uara e whakaheke tonu ana i te waweao iwi, me te whakaaetanga i te whakaiti i te kaiwhakamahi me ngā raupapa mahi. Ko te uara iho hoki e whakaae atu ana i te maha o ngā taunaki kawe, me te whakawhiwhi i te nuinga i ngā whakahaere kaiarahi me ngā taunakitanga kawe. Ko te nui o te mana moe i te uara i te mana moe, kei reira ka kitea ngā whakahaere iti i ngā momo whakarara me te iti rawa o ngā raupapa tirotirohanga, ka whakamahia nei hei whakapai i te whiuahi rākei. E whakangungu ana enei tango uara anake i waenga i te ao o te pūkana, ka puta ai ngā tango i te whiu motokore, i te iti rawa o ngā raupapa tirotirohanga, me te iti rawa o ngā whakahaere tahua i te whenua mō te whakaiti i ngā tahuhu.
Whakangungu Hanganga me te Whaihua

Whakangungu Hanganga me te Whaihua

Nā ngā horopū ā-waihanga katoa o te karbona i whakamana i te wero here kore rawa i te hanga whakaaro mō te whakawhanake waka. Ka taea te hunga riro ki te hanga i waehere pūnaha matihiko e kore noa, e wehe hoki i ngā pūnaha tawhito, ā, ka whiwhi ai ngā mahi ingoa ki te whakapai i te matawhaitanga hauora me te paihere whirinaki. E whaihua ana tēnei whenuanga motuhake ki ngā momo wāhi waho hoki, ki ngā wāhi roto, ā, ka whakamana i ngā ratonga hou hei whakapai i te mana nui o ngā kaihaere me te whakariterite o te whare. Nā te āhua e taea ana ki te whakatika i ngā hiahia kuhu hei whakamahere mō ngā take kuhu ētahi, ka whakapai ai ngā wāhanga katoa o te waka ki tōna mahi inati, e hīkohia nei te hanganga motuhake. Ka taea hoki ngā tikanga hanga mōhio, pērā i te whakatakoto raupapa ā-momo ā-mahi, ki te whakahaere pai i ngā whāinga ā-raupapa me ngā patipati takotorenga, e tirotiro ana i te paihere whirinaki me te iti iho i te rauemi rite.