內(nèi)蒙古東部氣候年景等級與糧食產(chǎn)量豐歉的關(guān)系分析

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中圖分類號 S162 文獻(xiàn)標(biāo)識碼A文章編號 0517-6611（2025）08-0209-04doi：10.3969/j.issn.0517-6611.2025.08.043開放科學(xué)（資源服務(wù)）標(biāo)識碼（OSID）：

AbstractBasedonthesuaceobervationtemperatureadprecipitationataof28atioalmeteorologcaltatiosieasteaculural areaofInerMongoliaduringthecopgrowthseason（MaySepteber）fro198ltoOO，thenatioaltandardclimateanalsesst methodissuedinO17wasadopted，andtehangecharacteristsofanalcliateideanditselatiosipwithighandlowgainield wereaalyzdtasilitfesigainieldouhaliaticasaatioasetedeesultssdatt peratureineastenIerMngoliashowedanincreasingtrendfro98ltoOO，thereasanabruptchangeoftemperaturein996hepre cipiationntegowingseasoofopsshowdaslowdreasingtredterewretwomutatiosi1998ad2.ereasncat negative correlation between the grain yield and the annual temperature index，the correlation coefficient was - 0 . 2 6 2 ，and the correlation coefficients with the annual precipitation index and the annual climate index were - 0 . 4 1 5 and - 0 . 4 2 8 ， respectively，which were significantly negativelycoeltedsdotompreseaalyssoftosisteetwntalategdedeaidag curacy was 70 % .Therefore，it was scientific to predict the grain yieldbyusing the grade of annual climatic status.

KeywordsAalclimateindexGdeofaalclimaticstatus；Changecharacteristic；GrainieldRelatoship；asteIogl

內(nèi)蒙古糧食產(chǎn)量穩(wěn)居全國第6位，是我國北疆的“大糧倉”。（剩余5953字）