I roto i te ao e whanake tonu ana o te rāngai pūngao, kua nui ake te hiranga o te whai i ngā hangarau whakaputa hiko whai hua. I a te ao e aro nui ana ki ngā wero e rua o te whakatutuki i ngā hiahia pūngao e tipu haere ana me te whakaiti i ngā tukunga waro, kua puta ake ngā pūtake pūngao whakahou ki mua. I roto i ēnei, ko te hiko wai te mea e tū ana hei kōwhiringa pono me te pumau, e whakarato ana i te wāhanga nui o te hiko o te ao.
Ko te tāpine Francis, he wāhanga matua i roto i ngā tipu hiko wai, he mahi nui tāna i roto i tēnei hurihanga pūngao ma. Nā James B. Francis i hanga i te tau 1849, ā, kua noho tēnei momo tāpine hei tētahi o ngā mea e whakamahia whānuitia ana i te ao. Kāore e taea te whakanui rawa i tōna hiranga i roto i te ao hiko wai, nā te mea ka taea e ia te huri i te pūngao o te wai e rere ana hei pūngao miihini, kātahi ka hurihia hei pūngao hiko e te miihini whakaputa hiko. He whānuitia ngā whakamahinga, mai i ngā kaupapa hiko wai iti i te taiwhenua ki ngā tipu hiko arumoni nui, kua whakamātauhia te tāpine Francis hei otinga whai hua me te pono mō te whakamahi i te mana o te wai.
Te Tino Whai Hua i roto i te Whakawhitinga Pūngao
E mōhiotia ana te tāpine Francis mō tōna tino whai huatanga ki te huri i te pūngao o te wai e rere ana hei pūngao miihini, ā, ka hurihia hei pūngao hiko e te miihini whakaputa hiko. Ko tēnei mahi tino whai huatanga he hua nō tōna hoahoa ahurei me ngā mātāpono whakahaere.
1. Te Whakamahinga o te Pūngao Kinetic me te Pūngao Pūmanawa
Kua hangaia ngā tāpine Francis kia tino whakamahia te kaha nekeneke me te kaha pūmanawa o te wai. Ina uru te wai ki te tāpine, ka tika te haere mā roto i te anga porowhita, e tohatoha ana i te wai kia ōrite ki te kaikawe. He āta hangaia ngā mata o te kaikawe kia pai ai te taunekeneke o te rere o te wai ki a rātou. I te nekenga o te wai mai i te diameter o waho o te kaikawe ki waenganui (i roto i te tauira rere radial – axial), ka āta hurihia te kaha pūmanawa o te wai nā tōna pane (te rerekētanga teitei i waenga i te pūtake wai me te tāpine) hei kaha nekeneke. Kātahi ka whakawhitia tēnei kaha nekeneke ki te kaikawe, ka huri. Mā te ara rere kua hoahoatia pai me te āhua o ngā mata o te kaikawe ka taea e te tāpine te tango i te nui o te kaha mai i te wai, ka tutuki ai te huringa kaha tino whai hua.
2. Te Whakataurite ki Ētahi Atu Momo Tāpine
Ki te whakaritea ki ētahi atu momo tāpine wai, pērā i te tāpine Pelton me te tāpine Kaplan, he rerekē ngā painga o te tāpine Francis e pā ana ki te whai huatanga i roto i tētahi whānuitanga o ngā tikanga whakahaere.
Tāpine Pelton: He pai te tāpine Pelton mō ngā tono pane-teitei. Ka mahi mā te whakamahi i te kaha nekeneke o te pupuhi wai tere-teitei hei patu i ngā peere ki runga i te oma. Ahakoa he tino whai hua i roto i ngā āhuatanga pane-teitei, kāore i te rite te whai hua ki te tāpine Francis i roto i ngā tono pane-waenga. Ko te tāpine Francis, me tōna kaha ki te whakamahi i te kaha nekeneke me te kaha pūmanawa me ōna āhuatanga rere pai ake mō ngā puna wai pane-waenga, ka taea te whakatutuki i te whai huatanga teitei ake i roto i tēnei awhe. Hei tauira, i roto i tētahi tipu hiko me te puna wai pane-waenga (hei tauira, 50 – 200 mita), ka taea e te tāpine Francis te huri i te kaha wai hei pūngao miihini me te whai huatanga tata ki te 90%, teitei ake rānei i roto i ētahi take kua hoahoatia pai, ko te tāpine Pelton e mahi ana i raro i ngā āhuatanga pane-rite ka iti ake te whai huatanga.
Tāpine Kaplan: Kua hangaia te tāpine Kaplan mō ngā tono rere iti-te-upoko me te rere teitei. Ahakoa he tino whai hua i roto i ngā āhuatanga rere iti-te-upoko, ina piki ake te upoko ki te awhe upoko waenga, ka nui ake te pai o te tāpine Francis i tōna pai. Ka taea te whakarite i ngā mata o te tāpine Kaplan hei whakapai ake i te mahi i roto i ngā āhuatanga rere iti-te-upoko, teitei-te-upoko, engari kāore tōna hoahoa i te tino pai mō te hurihanga pūngao whai hua i roto i ngā āhuatanga rere waenga-te-upoko pērā i te tāpine Francis. I roto i tētahi tipu hiko me te upoko o te 30 – 50 mita, ko te tāpine Kaplan pea te whiringa pai mō te whai hua, engari i te mea ka neke ake te upoko i te 50 mita, ka tīmata te tāpine Francis ki te whakaatu i tōna hiranga i roto i te whai huatanga o te hurihanga pūngao.
Hei whakarāpopototanga, mā te hoahoa o te tāpine Francis ka taea te whakamahi pai ake i te pūngao wai puta noa i te whānuitanga o ngā tono reo-waenga, ā, he mea pai tēnei i roto i ngā kaupapa hiko wai maha huri noa i te ao.
Te Urutau ki ngā Āhuatanga Wai Rerekē
Ko tētahi o ngā āhuatanga whakamiharo o te tāpine Francis ko tōna ngāwari ki te urutau ki ngā momo āhuatanga wai, ā, he mea whai hua mō ngā kaupapa hiko wai huri noa i te ao. He mea nui tēnei ngāwari ki te urutau nā te mea he rerekē ngā rauemi wai i runga i te teitei (te tawhiti poutū e taka ana te wai) me te tere rere i ngā wāhi whenua rerekē.
1. Te Āhuatanga o te Upoko me te Rere Rere
Te Awhe o te Upoko: Ka taea e ngā tāpine Francis te mahi pai puta noa i te whānuitanga o te upoko. Ko te nuinga o te wā ka whakamahia i roto i ngā tono upoko-waenga, ko te nuinga o te wā me ngā upoko mai i te 20 ki te 300 mita. Heoi, me ngā whakarerekētanga hoahoa tika, ka taea te whakamahi i roto i ngā āhuatanga upoko-iti, upoko-teitei rānei. Hei tauira, i roto i te horopaki upoko-iti, hei tauira tata ki te 20 – 50 mita, ka taea te hoahoa i te tāpine Francis me ngā āhua mata o te oma me ngā āhua rere-haere motuhake hei arotau i te tango pūngao. Kua hoahoatia ngā mata o te oma kia taea tonu e te rere o te wai, he iti ake te tere nā te upoko-iti, te whakawhiti i tōna pūngao ki te oma. I te piki haere o te upoko, ka taea te whakarite i te hoahoa kia pai ai te whakahaere i te rere wai tere-teitei. I roto i ngā tono upoko-teitei e tata ana ki te 300 mita, kua hangaia ngā wāhanga o te tāpine kia tū atu ki te wai pēhanga-teitei me te huri i te nui o te pūngao pūmanawa ki te pūngao miihini.
Te Rerekētanga o te Rerenga: Ka taea hoki e te tāpine Francis te whakahaere i ngā rerenga rere rerekē. Ka taea te mahi pai i raro i ngā āhuatanga rere pumau me ngā āhuatanga rere rerekē. I roto i ētahi tipu hiko wai, ka rerekē pea te rerenga rere wai i ia wā nā ngā āhuatanga pēnei i te ua, te hukarere rewa rānei. Mā te hoahoa o te tāpine Francis ka taea e ia te pupuri i te pai o te mahi ahakoa te rerekētanga o te rerenga rere. Hei tauira, ina teitei te rerenga rere, ka taea e te tāpine te whakarite ki te nui haere o te wai mā te ārahi pai i te wai i roto i ōna wāhanga. Kua hangaia te anga porowhita me ngā whatu ārahi hei tohatoha i te wai kia ōrite ki te taha o te kaikawe, kia taea ai e ngā mata o te kaikawe te taunekeneke pai ki te wai, ahakoa te rerenga rere. Ina heke te rerenga rere, ka taea tonu e te tāpine te mahi pumau, ahakoa ka heke te putanga hiko i runga i te hekenga o te rere wai.
2. Ngā Tauira Whakamahinga i roto i ngā Taiao Whenua Rerekē
Ngā Rohe Maunga: I ngā rohe maunga, pērā i te Himalayas i Āhia, i te Andes rānei i Amerika ki te Tonga, he maha ngā kaupapa hiko wai e whakamahi ana i ngā tāwhana Francis. He maha ngā puna wai teitei i roto i ēnei rohe nā te pari o te whenua. Hei tauira, ko te Nurek Dam i Tajikistan, kei roto i ngā Maunga Pamir, he puna wai teitei. Ko ngā tāwhana Francis kua tāutahia ki te Teihana Hiko Wai o Nurek kua hangaia hei whakahaere i te rerekētanga nui o te pari (neke atu i te 300 mita te teitei o te tāwhana). Ka huri pai ngā tāwhana i te kaha teitei o te wai hei kaha hiko, ka whai wāhi nui ki te tuku hiko o te whenua. Ko ngā huringa teitei o ngā maunga e whakarato ana i te pari e tika ana kia mahi ngā tāwhana Francis me te tino whai hua, ā, ko tō rātou urutau ki ngā āhuatanga pari teitei te mea pai mō ēnei kaupapa.
Ngā Mania o te Awa: I ngā mania o te awa, he iti te tihi engari he nui te tere o te rere, ka whakamahia whānuitia hoki ngā tāwhana Francis. Ko te Pā o Three Gorges i Haina tētahi tauira pai. Kei te taha o te Awa o Yangtze, he tihi kei te pā e tika ana mō ngā tāwhana Francis. Me whakahaere e ngā tāwhana i te Teihana Hiko Wai o Three Gorges te tere rere nui o te wai mai i te Awa o Yangtze. Kua hangaia ngā tāwhana Francis hei huri i te kaha o te rere wai nui, iti te rahinga, hei kaha hiko. Mā te urutau o ngā tāwhana Francis ki ngā tere rere rerekē ka taea e rātou te whakamahi pai i ngā rauemi wai o te awa, ka whakaputa i te nui o te hiko hei whakatutuki i ngā hiahia kaha o tētahi wāhanga nui o Haina.
Ngā Taiao o Ngā Moutere: He maha ngā āhuatanga motuhake o ngā rauemi wai o ngā moutere. Hei tauira, i ētahi moutere o Te Moana-nui-a-Kiwa, he awa iti ki te awa waenga te rahi, he rerekē te rere o ngā wai i runga i ngā wā ua me ngā wā maroke, ka whakamahia ngā tāpine Francis i roto i ngā tipu hiko wai iti. Ka taea e ēnei tāpine te urutau ki ngā āhuatanga wai e huri haere ana, ka whakarato i tētahi puna hiko pono mō ngā hapori o te rohe. I te wā ua, ina teitei te rere o ngā wai, ka taea e ngā tāpine te mahi i tētahi putanga hiko teitei ake, ā, i te wā maroke, ka taea tonu e rātou te mahi me te hekenga o te rere o te wai, ahakoa he iti iho te taumata hiko, kia mau tonu ai te tuku hiko.
Te Pono me te Mahi Mo Te Wā Roa
E tino whakanuia ana te tāpine Francis mō tōna pono me ōna āheinga whakahaere mō te wā roa, he mea nui ēnei mō ngā whare whakaputa hiko e hiahia ana ki te pupuri i tētahi pūnaha hiko pumau mō ngā wā roa.
1. Hoahoa Hanganga Pakari
He pakari, he pai hoki te hanga o te tāpine Francis. Ko te kaiārahi, te wāhanga hurihuri matua o te tāpine, he mea hanga i ngā rauemi kaha-teitei pērā i te maitai kore waikura, i ngā koranu motuhake rānei. Ka whiriwhiria ēnei rauemi mō ō rātou āhuatanga miihini pai rawa atu, tae atu ki te kaha kume teitei, te ātete ki te waikura, me te ātete ki te ngenge. Hei tauira, i roto i ngā tāpine Francis nui e whakamahia ana i roto i ngā tipu hiko wai nui, kua hangaia ngā mata o te kaiārahi kia tū atu ki te rere wai pēhanga-teitei me ngā ahotea miihini i puta i te wā hurihuri. Kua arotauhia te hoahoa o te kaiārahi kia rite te tohatoha ahotea, kia whakaitihia ai te tūponotanga o ngā pūwāhi kukū ahotea ka arahi pea ki ngā pakaru, ki ngā pakaru hanganga rānei.
Ko te anga porowhita, e ārahi ana i te wai ki te pūwero, he mea hanga hoki kia pakari. He mea hanga i ngā pereti maitai matotoru he pakitara, ka taea te tu atu i te rere o te wai pēhanga teitei e tomo ana ki te tāpine. Ko te hononga i waenga i te anga porowhita me ētahi atu wāhanga, pērā i ngā whana pupuri me ngā whana ārahi, kua hangaia kia kaha, kia pono hoki, kia pai ai te mahi a te hanganga katoa i raro i ngā āhuatanga whakahaere rerekē.
2. Ngā Whakaritenga Tiaki Iti
Ko tētahi o ngā painga nui o te tāpine Francis ko te iti o ngā whakaritenga tiaki. Nā tōna hoahoa māmā me te whai hua, he iti ake ngā wāhanga nekeneke i ētahi atu momo tāpine, e whakaiti ana i te tūponotanga o te pakaru o ngā wāhanga. Hei tauira, ko ngā vane ārahi, e whakahaere ana i te rere o te wai ki roto i te oma, he pūnaha hononga miihini māmā. He ngāwari te uru atu ki tēnei pūnaha mō te tirotiro me te tiaki. Ko ngā mahi tiaki auau ko te nuinga o te whakahinuhinu i ngā wāhanga nekeneke, te tirotiro i ngā hiri hei ārai i te turuturu wai, me te aroturuki i te āhua miihini whānui o te tāpine.
Ko ngā rauemi e whakamahia ana i roto i te hanganga o te tāpine he mea nui anō hoki ki te iti o ngā mahi tiaki. Ko ngā rauemi ātete-waikura e whakamahia ana mō te kaikawe me ētahi atu wāhanga e pāngia ana e te wai ka whakaiti i te hiahia mō te whakakapinga pinepine nā te waikura. Hei tāpiri, kua rite ngā tāpine Francis hou ki ngā pūnaha aroturuki matatau. Ka taea e ēnei pūnaha te aroturuki tonu i ngā tawhā pēnei i te wiri, te pāmahana, me te pēhanga. Mā te tātari i ēnei raraunga, ka taea e ngā kaiwhakahaere te kite i ngā raruraru pea i mua i te wā, me te whakahaere i ngā tiaki ārai, ka whakaiti anō i te hiahia mō ngā kati ohorere mō ngā whakatikatika nui.
3. Te roa o te ora ratonga
He roa te ora o ngā tāpine Francis, ā, he maha ngā tekau tau te roa. I roto i te maha o ngā tipu hiko wai huri noa i te ao, kei te mahi tonu ngā tāpine Francis i tāutahia i ngā tekau tau kua pahure ake nei, ā, kei te whakaputa hiko pai tonu. Hei tauira, ko ētahi o ngā tāpine Francis kua tāutahia i te United States me Europe kua neke atu i te 50 tau te roa e mahi ana. Mā te tiaki tika me ngā whakahoutanga i ētahi wā, ka taea tonu e ēnei tāpine te mahi pono.
Ehara i te mea he pai anake te roa o te ora o te tāpine Francis mō te umanga whakaputa hiko i runga i te utu whai hua, engari mō te pumau whānui o te pūtake hiko. Ko te tikanga o te tāpine roa ka taea e ngā tipu hiko te karo i ngā utu nui me ngā whakararuraru e pā ana ki te whakakapinga tāpine auau. Ka whai wāhi hoki ki te oranga roa o te hiko wai hei puna hiko pono me te pumau, me te whakarite kia taea te whakaputa hiko ma tonu mō ngā tau maha.
Te whai huatanga o te utu mō te wā roa
Ina whakaarohia te utu me te whai huatanga o ngā hangarau whakaputa hiko, he kōwhiringa pai te tāpine Francis mō te whakahaere roa o ngā tipu hiko wai.
1. Te Pūtea Tuatahi me te Utu Whakahaere mō te Wā Roa
Te Pūtea Tuatahi: Ahakoa he nui te haumitanga tuatahi ki tētahi kaupapa hiko wai e hangai ana ki te tāpine Francis, he mea nui kia whakaarohia te tirohanga roa. He nui ngā utu e pā ana ki te hoko, te tāutanga, me te whakatūnga tuatahi o te tāpine Francis, tae atu ki te oma, te anga porowhita, me ētahi atu wāhanga, tae atu ki te hanganga o te hanganga tipu hiko. Heoi, ka ea tēnei whakapaunga tuatahi i ngā painga roa. Hei tauira, i roto i tētahi tipu hiko wai rahi-waenga me te kaha o te 50 – 100 MW, ko te haumitanga tuatahi mō tētahi huinga tāpine Francis me ngā taputapu e pā ana ka tata ki te tekau miriona tāra. Engari ki te whakatauritea ki ētahi atu hangarau whakaputa hiko, pērā i te hanga i tētahi tipu hiko waro hou e hiahia ana ki te haumi tonu ki te hoko waro me ngā taputapu tiaki taiao uaua hei whakatutuki i ngā paerewa tukunga, he pumau ake te hanganga utu roa o tētahi kaupapa hiko wai e hangai ana ki te tāpine Francis.
Te Utu Whakahaere Wā Roa: He iti te utu whakahaere o te tāpine Francis. Kia oti te tāuta i te tāpine, ā, kia whakahaerehia te tipu hiko, ko ngā utu matua e pā ana ki ngā kaimahi mō te aroturuki me te tiaki, me te utu mō te whakakapi i ētahi wāhanga iti i roto i te wā. Ko te mahi tino whai hua o te tāpine Francis te tikanga ka taea e ia te whakaputa i te nui o te hiko me te iti o te wai e whakaurua ana. Ka whakaitihia te utu mō ia waeine hiko e whakaputaina ana. He rerekē, ko ngā tipu hiko wera, pērā i ngā tipu waro, hau rānei, he nui ngā utu wahie e piki haere ana i roto i te wā nā ngā āhuatanga pēnei i te pikinga o ngā utu wahie me ngā rerekētanga o te mākete pūngao o te ao. Hei tauira, ka kite pea te tipu hiko waro i te pikinga o ngā utu wahie mā tētahi ōrau i ia tau i te mea kei raro ngā utu waro i ngā āhuatanga tuku me te tono, ngā utu keri, me ngā utu kawe. I roto i te tipu hiko wai e whakahaerehia ana e te tāpine Francis, ko te utu o te wai, ko te "wahie" mō te tāpine, he kore utu, haunga ngā utu e pā ana ki te whakahaere rauemi wai me ngā utu tika wai pea, he iti iho i ngā utu wahie o ngā tipu hiko wera.
2. Te Whakaiti i ngā Utu Whakaputa Hiko Katoa mā te Whakahaere Tino Pai me te Tiaki Iti
Te Mahi Tino Pai: Ko te kaha o te tāpine Francis ki te huri i te pūngao tino pai ka whai wāhi tika ki te whakaiti i ngā utu. Ka taea e te tāpine pai ake te whakaputa hiko nui ake mai i te nui o ngā rauemi wai. Hei tauira, mēnā he 90% te pai o te tāpine Francis ki te huri i te pūngao wai hei pūngao miihini (kātahi ka hurihia hei pūngao hiko), ki te whakataurite ki te tāpine iti ake te pai me te pai o te 80%, mō tētahi rere me te upoko wai kua whakaritea, ka whakaputahia e te tāpine Francis 90% te hiko nui ake i te 12.5%. Ko te tikanga o tēnei putanga hiko kua piki ake ko ngā utu pumau e pā ana ki te whakahaere o te tipu hiko, pērā i te utu o te hanganga, te whakahaere, me ngā kaimahi, ka horahia ki runga i te nui o te whakaputa hiko. Nō reira, ka whakaitihia te utu mō ia waeine hiko (te utu hiko kua whakatauritea, LCOE).
Te Tiaki Iti: Ko te āhua tiaki iti o te tāpine Francis he mea nui anō hoki ki te whai huatanga o te utu. Nā te iti o ngā wāhanga neke me te whakamahinga o ngā rauemi pakari, he iti te auau o ngā tiaki nui me te whakakapinga o ngā wāhanga. He iti te utu o ngā mahi tiaki auau, pērā i te whakahinuhinu me ngā tirotiro. He rerekē, ko ētahi atu momo tāpine, taputapu whakaputa hiko rānei, me nui ake te tiaki me te utu nui. Hei tauira, ahakoa he pūtake pūngao hou te tāpine hau, he wāhanga pērā i te pouaka hiko ka ngāwari te pakaru me te haehae, ā, me nui te utu mō ngā whakahoutanga, ngā whakakapinga rānei i ia tau torutoru. I roto i te tipu hiko wai e hangai ana ki te tāpine Francis, ko ngā wā roa i waenga i ngā mahi tiaki nui te tikanga he iti ake te utu tiaki whānui mō te roanga o te oranga o te tāpine. Mā tēnei, me tōna roa o te mahi, ka whakaitihia te utu whānui o te whakaputa hiko i roto i te wā, ka waiho te tāpine Francis hei whiringa utu-whai hua mō te whakaputa hiko mō te wā roa.
Te Aroha ki te Taiao
He nui ngā painga taiao o te whakaputa hiko wai e ahu mai ana i te tāpine Francis ki te whakataurite ki ētahi atu tikanga whakaputa hiko, ā, he mea nui tēnei mō te whakawhiti ki tētahi heke mai pūngao pumau ake.
1. Te Whakaiti i ngā Tukunga Waro
Ko tētahi o ngā painga taiao nui o ngā tāpine Francis ko te iti o te tapuwae waro. He rerekē ki ngā tipu hiko e ahu mai ana i te wahie pūmua, pērā i ngā tipu hiko e tahu ana i te waro me te hau, kāore ngā tipu hiko wai e whakamahi ana i ngā tāpine Francis e tahu i ngā wahie pūmua i te wā e whakahaerehia ana. Ko ngā tipu hiko e tahu ana i te waro ngā mea nui e whakaputa ana i te hauhā waro (\(CO_2\)), me te tipu hiko waro nui e whakaputa ana i te miriona tana o \(CO_2\) ia tau. Hei tauira, ko te tipu hiko waro 500 – MW ka whakaputa pea i te 3 miriona tana o \(CO_2\) ia tau. Ki te whakataurite, ko te tipu hiko wai he rite te kaha me ngā tāpine Francis kāore e whakaputa i ngā tukunga \(CO_2\) tika i te wā e whakahaerehia ana. Ko tēnei āhuatanga kore tukunga o ngā tipu hiko wai e whakamahia ana e te tāpine Francis he mea nui ki ngā mahi a te ao ki te whakaiti i ngā tukunga hau kati kōtuhi me te whakaiti i te huringa āhuarangi. Mā te whakakapi i te whakaputanga hiko e ahu mai ana i te wahie pūmua ki te hiko wai, ka taea e ngā whenua te whai wāhi nui ki te whakatutuki i ā rātou whāinga whakaiti waro. Hei tauira, ko ngā whenua pēnei i a Nōwei, e whakawhirinaki nui ana ki te hiko wai (me ngā tāpine Francis e whakamahia whānuitia ana), he iti ake ngā tukunga waro mō ia tangata, ki te whakaritea ki ngā whenua e whakawhirinaki nui ake ana ki ngā pūtake hiko e ahu mai ana i ngā wahie pūmua.
2. Te Hau Iti – Ngā Tukunga Parahanga
Haunga ngā tukunga waro, ka tukuna hoki e ngā tipu hiko wahie pūmua he maha ngā parahanga hau, pērā i te hauhā whanariki (\(SO_2\)), ngā waikura hauota (\(NO_x\)), me ngā matūriki. He nui ngā pānga kino o ēnei parahanga ki te kounga o te hau me te hauora o te tangata. Ka taea e te \(SO_2\) te whakaputa ua waikawa, ka kino ai ngā ngahere, ngā roto, me ngā whare. Ka whai wāhi te \(NO_x\) ki te hanganga o te kohu, ā, ka raru pea te manawa. Ko ngā matūriki, inā koa ko ngā matūriki angiangi (PM2.5), e pā ana ki te maha o ngā take hauora, tae atu ki ngā mate o te ngākau me te pūkahukahu.
Engari, kāore ngā tipu hiko wai e hangai ana ki ngā tāpine Francis e tuku ana i ēnei poke hau kino i te wā e whakahaerehia ana. Ko te tikanga o tēnei, ka taea e ngā rohe kei a rātou ngā tipu hiko wai te whiwhi hau ma, ka pai ake te hauora o te marea. I ngā rohe kua whakakapia e te hiko wai te wāhanga nui o te whakaputa hiko e hangai ana ki ngā wahie pūmua, kua kitea ngā whakapainga o te kounga o te hau. Hei tauira, i ētahi rohe o Haina kua whakawhanakehia ngā kaupapa hiko wai nui me ngā tāpine Francis, kua heke ngā taumata o te \(SO_2\), \(NO_x\), me ngā matūriki i te rangi, ā, kua iti ake ngā mate manawa me ngā mate ngakau i waenga i te taupori o te rohe.
3. Te Pānga Iti ki te Pūnaha Taiao
Ina tika te hoahoa me te whakahaere, he iti noa te pānga o ngā tipu hiko wai e hangai ana ki ngā tāpine Francis ki te pūnaha rauropi huri noa, ki te whakaritea ki ētahi atu kaupapa whakawhanake pūngao.
Te Huarahi Ika: He maha ngā tipu hiko wai hou me ngā tāwhana Francis kua hangaia me ngā whakaurunga haerenga ika. Ko ēnei whakaurunga, pērā i ngā arawhata ika me ngā ararewa ika, kua hangaia hei āwhina i ngā ika ki te heke ki runga, ki raro hoki. Hei tauira, i te Awa o Columbia i Amerika Te Raki, kua tāutahia e ngā tipu hiko wai ngā pūnaha haerenga ika matatau. Mā ēnei pūnaha ka taea e te hāmana me ētahi atu momo ika heke te karo i ngā tāwhana me ngā tāwhana, kia taea ai e rātou te tae atu ki ō rātou wāhi whakaputa uri. Ko te hoahoa o ēnei whakaurunga haerenga ika ka whai whakaaro ki te whanonga me te kaha kauhoe o ngā momo ika rerekē, kia tino ora ai ngā ika heke.
Te Tiaki i te Kounga o te Wai: Kāore te whakahaerenga o ngā tāpine Francis e tino whakarerekē i te kounga o te wai. He rerekē ki ētahi mahi ahumahi, ki ētahi momo whakaputa hiko rānei ka taea te whakapoke i ngā puna wai, ko ngā tipu hiko wai e whakamahi ana i ngā tāpine Francis te nuinga o te wā e pupuri ana i te kounga tūturu o te wai. Kāore te wai e tika ana kia whakarerekētia i roto i ngā tāpine, ā, he iti noa iho ngā huringa pāmahana. He mea nui tēnei hei pupuri i te hauora o ngā pūnaha rauropi wai, nā te mea he maha ngā rauropi wai e aro ana ki ngā huringa o te kounga wai me te pāmahana. I roto i ngā awa kei reira ngā tipu hiko wai me ngā tāpine Francis, ka noho tonu te kounga o te wai hei oranga mō ngā momo oranga wai, tae atu ki ngā ika, ngā invertebrate, me ngā tipu.
Te wā tuku: 21-Pepuere-2025
