Tsarin sararin samaniya sake ginawa a duniya

The Atmospheric Circulation Reconstructions over the Earth, ACRE, wani aikin kimiyya ne na kasa da kasa, wanda aka fara a cikin 2008, wanda ke dawo da abubuwan lura da yanayi na tarihi don sake gina tsarin yanayi na duniya da na gida don haka tallafawa sake nazarin yanayi. Aikin yana da niyyar tattara bayanan yanayi daga shekaru 250 da suka gabata ta hanyar haɗa kungiyoyin meteorological na duniya don tallafawa ayyukan dawo da bayanai da kuma daukar hoto da kuma dijital na abubuwan lura da yanayin tarihi da aka yi a, alal misali, tashoshin cikin gida, fitilu, ko ta jiragen ruwa a teku ko a tashar jiragen ruwa. Aikin yana da niyyar ƙirƙirar bayanan tarihi waɗanda ke cikin sararin samaniya da na ɗan lokaci, don su kasance masu daraja a cikin gida, ko matakin yanki, da kuma a kan sikelin duniya. ACRE tana da niyyar dawo da miliyoyin abubuwan lura da yanayin tarihi. Za a ajiye wannan bayanan a cikin bayanan bayanai guda biyu.

* ISPD - Bankin Bayanai na Matsalar Kasa da Kasa,
* ICOADS - Bayanan Bayanan Bayanai na Duniya.

Hakanan za'a yi amfani da wannan bayanan don gina bayanan duniya na sake fasalin yanayi na tarihi bisa ga grid na digiri biyu na latitude ta biyu na longitude a sa'o'i shida, mai suna 20th Century Reanalysis, ko 20CR. Sashe daya na 20CR, wanda ya shafi 1891 zuwa 2008, an sake shi a cikin kaka na 2009. Sashe na biyu, wanda ya shafi 1871 zuwa 2010, ya bayyana a watan Disamba na shekara ta 2011. Version 3, 20CRv3, ya koma 1836, an buga shi a watan Oktoba 2019.  An yi niyyar cewa duk bayanan da aka dawo da su kuma za a samar da 20CR kyauta.

## Abokan hulɗa
Aikin yana da manyan abokan hulɗa tara, 

* Cibiyar Met Office Hadley,
* NOAA Cibiyar Nazarin Tsarin Duniya,
* Cibiyar hadin gwiwa don Bincike a Kimiyya ta Muhalli,
* Cibiyar Bayanan Yanayi ta Kasa ta NOAA,
* Ƙungiyar Ceto Bayanai ta Duniya (IEDRO),
* Laburaren Burtaniya,
* Jami'ar Sussex,
* Jami'ar Giessen,
* Jami'ar Bern,
* Jami'ar Kudancin Queensland .

Baya ga manyan abokan hulɗa, wasu ayyukan 35 da sauran kungiyoyi suna da hannu ko kuma sun ba da gudummawar bayanan da aka dawo da su.

## Tushen bayanai
Tushen bayanan yanayi na tarihi da aka sanya a cikin ACRE sun hada da,

* Karatun yau da kullun da na sa'a daga litattafan jiragen ruwa na Royal Navy, 1912 zuwa 1925, wanda masu sa kai suka rubuta don Tsohon Yanayi,
* Logbooks na Amurka Navy, USRC da US Coastguard jiragen ruwa a cikin Arctic da Pacific daga tsakiyar 1800s zuwa gaba, wanda kuma Old Weather ke fassara su, 
* Sau biyu a kowace rana a cikin China Coast Meteorological Register, 1874 zuwa 1932,
* Rahotanni na jirgin ruwa na Jamus, 1872 zuwa 1902, wanda Deutscher Wetterdienst ya bayar,
* Bayanai na karni na 19 da 20 daga tarihin Portuguese, gami da kayan daga tsoffin yankunan Portuguese na Asiya da Afirka,
* Tarihin Météo-France na bayanan tarihi na Faransa da na tsoffin mulkin mallaka na Faransa.
* Logbooks na Kamfanin Ingila na Gabashin Indiya daga shekarun 1780 zuwa 1830, 
* Jirgin ruwa da binciken ruwa na Burtaniya ya yi magana da littattafai daga Ofishin Hydrographic na Burtaniya.
* Shafin Sir Charles Todd na lura da yanayi daga ko'ina cikin Australia da New Zealand ya yi tsakanin 1879 da 1909. 

An gano wasu tushe da yawa na abubuwan da suka faru na tarihi.

## Muhimman wallafe-wallafe
Kokarin CLIWOC ya ƙare a cikin ƙirƙirar wannan takardar tarihi, wato A Dictionary of Nautical Meteorological Terms: CLIW OC Multilingual Dictionary of Meteorological Tarms; An English / Spanish / Faransanci / Dutch Dictionary of Windforce Terms Used by Mariners from 1750 to 1850. 

## Manazarta