Jerin lokuta da abubuwan da suka faru a tarihin yanayi

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Jerin lokuta da abubuwan da suka faru a tarihin yanayi
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Jerin lokuta da abubuwan da suka faru a tarihin yanayi; sun haɗada wasu fitattun al'amuran yanayi da aka sani ga ilmin halitta. Sanin ainihin abubuwan da suka faru na yanayi yana raguwa yayin da rikodin ya cigaba da komawa baya. Jadawalin lokacin glaciation ya ƙunshi shekarun ƙanƙara musamman, waɗanda ke da alaƙa da sunaye nasu don matakai, galibi tareda sunaye daban-daban da ake amfani da su a sassa daban-daban na duniya. Sunayen lokuta da abubuwan da suka faru a baya sun fito ne daga ilimin ƙasa da ilmin ɓurɓushin halittu. Ana amfani da matakan isotope na ruwa (MIS) sau da yawa don bayyana saduwa acikin Quaternary.

Kafin shekaru miliyan 1 da suka wuce[gyara sashe | gyara masomin]

Shekaru miliyan 500 na canjin yanayi
Bayanan Ice core na shekaru 400,000 da suka gabata, tare da na yanzu a dama. Tsawon lokacin hawan glacial matsakaici ~ 100,000 shekaru. Blue lankwasa zafin jiki ne, koren lankwasa shine CO 2, kuma jan lankwasa ƙurar ƙura ce mai iska (loess).

Sikeli: Miliyoyin shekaru kafin yanzu, kwanakin baya kusan.

Kwanan wata



</br> (Mya)
Lamarin
Kafin 1,000 Suma matasa Sun paradox
2,400 Babban Taron Oxidation mai yiwuwa yana haifar da glaciation na Huronian watakila ya mamaye duk duniya
650-600 Daga baya Neoproterozoic Snowball Duniya ko Marinoan glaciation, mafarin fashewar Cambrian
517 Ƙarshen-Botomian taro halaka ; kamar na gaba biyu, kadan fahimta
502 Lamarin bacewar Dresbachian
485.4 Cambrian-Ordovician taron bacewa
450-440 Ordovician – Silurian aukuwar ɓarna, a cikin fashe biyu, bayan sanyaya watakila ya haifar da motsin farantin tectonic .
450 Andean-Sahara glaciation
360-260 Karoo Ice Age
305 Yanayin sanyi yana haifar da rushewar dajin Carboniferous
251.9 Permian-Triassic taron bacewa
199.6 Triassic-Jurassic al'amarin ɓarkewa, yana haifar da har yanzu ba a fayyace ba
66 Wataƙila shekaru 30,000 na ayyukan volcanic sun haifar da tarkon Deccan a Indiya, ko babban tasirin meteor.
66 Iyakar Cretaceous–Paleogene da Cretaceous–Paleogene taron ɓarna, bacewar dinosaurs
55.8 Paleocene-Eocene Thermal Maximum
53.7 Mafi girman Eocene Thermal 2
49 Wataƙila taron Azolla ya ƙare dogon lokacin dumi
5.3-2.6 Yanayin Pliocene ya zama mai sanyi da bushewa, kuma na yanayi, kama da yanayin zamani.
2.5 don nunawa Quaternary glaciation, tare da dusar ƙanƙara a kan yankunan iyakacin duniya, matakai da yawa sunaye a sassa daban-daban na duniya

Pleistocene[gyara sashe | gyara masomin]

Duk kwanakin sun yi kusan."(BS)" yana nufin wannan shine ɗayan lokuta daga jerin Blytt-Sernander, wanda ya samo asali ne akan nazarin fastocin Danish peat.

Kwanan wata



</br> (BC)
Lamarin
118,000-88,000 Abbassia Pluvial rigar a Arewacin Afirka
108,000-8,000 Lokacin Glacial na Ƙarshe, kar a ruɗe shi da Ƙarshen Glacial Maximum ko Ƙarshen Glacial a ƙasa.



</br> ( Al'amuran da suka biyo baya suma sun fada cikin wannan lokacin. )
48,000-28,000 Mousterian Pluvial rigar a Arewacin Afirka
24,500-17,000-18,000



</br> 
Ƙarshe Glacial Maximum, abin da ake yawan nufi a cikin mashahuriyar amfani da "Ƙarshen Ice Age"
16,000-13,000 Dryas mafi tsufa sanyi, yana farawa a hankali kuma yana ƙarewa sosai (BS)
12,700 Antarctic Cold Reversal warmer Antarctic, hawan matakin teku
12,400 Bølling oscillation dumi da rigar a cikin Arewacin Atlantic, ya fara lokacin Bølling-Allerød (BS)
12,400-11,500



</br> (An tattauna da yawa)
Tsohon Dryas sanyi, yana katse lokacin dumi na wasu ƙarni (BS)
12,000-11,000 Allerød oscillation dumi & m (BS)
11,400-9,500 Huelmo-Mascardi Sanyi Juyin Juyawar sanyi a Kudancin Ƙasar
11,000-8,000 Ƙarshe Glacial Maximum, ko Tardiglacial (ma'anoni sun bambanta)
10,800-9,500 Younger Dryas kwatsam lokacin sanyi da bushewa a Arewacin Hemisphere (BS)

Holocene[gyara sashe | gyara masomin]

Duk kwanakin BC (BCE) ne kuma kusan. "(BS)" yana nufin wannan shine ɗayan lokuta daga jerin Blytt-Sernander, wanda ya samo asali ne akan binciken da ake yi na peat bogs na Danish.

Kwanan wata



</br> (BC)
Lamarin
Daga 10,000 Holocene glacial koma baya, na yanzu Holocene ko Postglacial lokacin fara
9400 Pre-Boreal kaifi haɓakar zafin jiki sama da shekaru 50 (BS), yana gaba da Boreal
8500-6900 Boreal (BS), hawan matakan teku, daji ya maye gurbin tundra a arewacin Turai
7500-3900 Neolithic Subpluvial / lokacin humid na Afirka a Arewacin Afirka, rigar
7000-3000 Mafi kyawun yanayi na Holocene, ko Atlantic a arewacin Turai (BS)
6200 8.2-kilo shekara taron sanyi
5000-4100 Tsohon Peron dumi da rigar, matakan teku na duniya sun kasance mita 2.5 zuwa 4 (ƙafa 8 zuwa 13) fiye da matsakaicin ƙarni na ashirin.
3900 5.9 kiloyear taron bushe da sanyi.
3500 Ƙarshen lokacin ɗanshi na Afirka, Neolithic Subpluvial a Arewacin Afirka, yana faɗaɗa Hamadar Sahara
3000 - 0 Neopluvial a Arewacin Amurka
3,200-2,900 Piora Oscillation, sanyi, watakila ba duniya ba. Wetter a Turai, bushewa a wani wuri, yana da alaƙa da doki a tsakiyar Asiya.
2200 Lamarin da ya kai kilogiram 4.2 ya bushe, ya kasance mafi yawan karni na 22 kafin haihuwar Annabi Isa, wanda ke da nasaba da ƙarshen tsohuwar Mulkin Masar, da daular Akkadiya a Mesopotamiya, al'adun archaeological iri-iri a Farisa da China.
1800-1500 Tsakanin Bronze Age Cold Epoch, lokacin yanayin sanyi da ba a saba gani ba a yankin Arewacin Atlantic
Bala'in Bond 2 Yiwuwar haifar da Rushewar Zamanin Bronze
900-300 Iron Age Cold Epoch sanyi a Arewacin Atlantika. Wataƙila yana da alaƙa da Mafi ƙarancin Homeric
250 BC-400 AD Zaman Dumi na Roman

Zamanin gama gari/AD[gyara sashe | gyara masomin]

  • Canjin yanayi na 535-536 (535-536 AD), sanyin kwatsam da gazawar girbi, watakila ƙura mai aman wuta ta haifar.
  • 900-1300 Lokacin Ɗumi na Tsakiyar Tsakiyar Turai.
    • Babban Yunwar 1315-1317 a Turai
  • Ƙananan shekarun Ice: Kwanaki daban-daban tsakanin 1250 zuwa 1550 ko kuma daga baya ana gudanar da su don alamar farkon shekarun ƙanƙara, yana ƙarewa a daidai daidaitattun kwanakin a kusa da 1850.
    • 1460-1550 Spörer Mafi ƙarancin sanyi
    • 1656–1715 Maunder Mafi ƙarancin ayyukan taswirar rana
    • 1790–1830 Dalton Mafi ƙarancin aikin faɗuwar rana, sanyi
    • Shekara ta 1816 Ba tare da Lokacin bazara ba, wanda ƙura mai aman wuta na Dutsen Tambora ya haifar
  • 1850-Yanzu Komawar glaciers tun 1850, rikodin zafin jiki na kayan aiki
  • dumamar yanayi na yanzu da na baya-bayan nan, watakila za a sanya masa suna zamanin Anthropocene

Duba kuma[gyara sashe | gyara masomin]

  • Canjin yanayi (yanzu)
  • Canjin yanayi (gaba ɗaya ra'ayi)
  • Yanayi a kan iyakar Cretaceous-Paleogene
  • Tarihin thermal na Duniya
  • Rikodin yanayin yanayin yanayin ƙasa