Wikipedia

Usoro Nkọwapụta Nkọwa

Integrated Forecasting System (IFS) bụ usoro amụma ihu igwe zuru ụwa ọnụ nké European Centre for Medium-Range Weather Forecasts (ECMWF) nké dị na Reading, England, na Météo-France nké dị na Toulouse jikọrọ áká mepụta ma lekọta.[1] A na-akpọkarị mbipụta nkè IFS na-agba ọsọ na ECMWF dị ka "ECMWF" ma ọ bụ "ihe nlereanya Europe" na North America, iji mee ka ọ dị íchè na GFS America.

Usoro

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Ọ na-agụnye ihe nlereanya ikuku na-agbanwe agbanwe nké nwéré usoro nhazi kwụ ọtọ na-agbaso ala jikọtara ya na usoro 4D-Var data assimilation. N'afọ 1997, IFS ghọrọ usoro amụma mbụ na-arụ ọrụ iji 4D-Var.[2] Ma ECMWF na Météo-France na-eji IFS eme amụma ihu igwe, mànà na-eji nhazi na mkpebi dị íchè (a na-akpọ nhazi Météo na France dị ka ARPEGE). Ọ bụ otu n'ime ụdị ndị kachasị n'ụwa niile na-eji n'ụwa nile; ndị na-asọmpi ya kachasị na ụbọchị isii ruo ụbọchị iri gụnyere American Global Forecast System (GFS), Canadian Global Environmental Multiscale Model (GEM na GDPS) na UK Met Office Unified Model.

Ụdị dị iche iche

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ECMWF na-agba IFS n'ọtụtụ nhazi. A na-agba nhazi "HRES" kachasị elu kwa awa isií (00Z na 12Z ruo ụbọchị 10, 06Z/18Z ruo awa iri itoolu) na mkpebi dị larịị nke 9 kilomita site na iji 137 okpukpu dị larịụ.[3] A na-ejikwa usoro "ENS" nke ndị otu irí ise na otu na-agba ọsọ kwà awa iri na abụọ ruo ụbọchị iri na ise na 06Z/18Z ọ bụla ruo ụbọchị isii na mkpebi dị larịị nke kilomita iri na asatọ na okpukpu 137 n'ụzọ kwụ ọtọ. ECMWF na-ejikwa ụdị IFS siri ike karịa ụbọchị 45; a na-agba ụdị a kwa izu, na mmepụta n'ime ụbọchị ise. E nwekwara nsụgharị nke na-agwụ otu afọ. Ụdị ụdị niile ma e wezụga HRES jikọtara ya na ụdị oké osimiri NEMO.

Ojiji

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Ọtụtụ mba ndị otu ECMWF na-eji amụma ụwa nke ECMW F iji nye ọnọdụ ókèala màkà mkpebi ha dị elu, amụma mpaghara dị oke ala.[4] ECMWF amụma bụ n'efu màkà ọrụ ihu igwe nke mba ndị otu ya, mana a na-akwụ ndị ọrụ azụmahịa ụgwọ, ébé data ọrụ dị oke (họrọ mgbanwe site na HRES na ENS n'ime ụbọchị iri) dị maka ndị na-azụ ahịa n'okpuru ikikere Creative Commons na-abụghị nke azụmahịa na-amachibido ọrụ ndị ọzọ (CC-BY ND NC).[5] N'ụzọ dị íchè, mmepụta sitere na GFS na GEM / GDPS na-enye ndị ọrụ niile ikikere n'efu.

Koodu isi iyi zuru ezu nke IFS dị naanị na ọrụ ihu igwe nke mba ECMWF.[1] Koodu isi màkà ụdị ikuku dị màkà ndị ọrụ ndị ọzọ na-abụghị ndị ahịa n'ụdị OpenIFS nke chọrọ ikikere n'efu.[6] Ihe nlereanya ihu igwe EC-Earth dabeere na IFS.[7]

Ihe odide

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  1. ↑ 1.0 1.1 AGREEMENT BETWEEN ECMWF & METEO-FRANCE FOR THE ACCESS AND USE OF THE JOINTLY DEVELOPED AND MAINTAINED NWP SOFTWARE IFS/ARPEGE. Retrieved on 2017-10-22.
  2. ↑ Andersson. ECMWF's 4D-Var data assimilation system - the genesis and ten years in operations.
  3. ↑ Operational configurations of the ECMWF Integrated Forecasting System (IFS). Retrieved on 2017-10-22.
  4. ↑ Serving meteorology. Retrieved on 2017-10-22.
  5. ↑ Licenses available. Retrieved on 2017-10-22.
  6. ↑ OpenIFS Home. Retrieved on 2021-12-18. “OpenIFS is not open-source despite the name. Its use requires a free OpenIFS license from ECMWF.”
  7. ↑ EC-Earth Home. Archived from the original on 2018-11-11. Retrieved on 2017-10-22.

Njikọ mpụga

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