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基于TVDI結(jié)合ARIMA的河南省土壤旱情監(jiān)測(cè)方法
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河南省自然資源科研項(xiàng)目(2021-11)


Soil Drought Monitoring with TVDI and ARIMA in Henan Province
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    針對(duì)河南省土壤旱情災(zāi)害頻發(fā),,地面土壤墑情監(jiān)測(cè)站監(jiān)測(cè)面積有限等問(wèn)題,將氣象干旱指數(shù)與遙感監(jiān)測(cè)模型相結(jié)合對(duì)土壤旱情開(kāi)展預(yù)測(cè)研究,。以2012—2021年間氣象資料計(jì)算的標(biāo)準(zhǔn)化降水蒸散指數(shù)(Standardized precipitation evapotranspiration index, SPEI)為依據(jù),,對(duì)作物缺水指數(shù)(Crop water scarcity index, CWSI)、植被供水指數(shù)(Vegetation supply water index, VSWI),、溫度植被干旱指數(shù)(Temperature vegetation drought index, TVDI)和條件植被溫度指數(shù)(Vegetation temperature condition index, VTCI)4個(gè)指數(shù)的干旱監(jiān)測(cè)效果進(jìn)行適用性評(píng)價(jià),,然后分析2012—2021年間河南省的TVDI空間分布規(guī)律和變化趨勢(shì),最后用ARIMA(Autoregressive integrated moving average)模型預(yù)測(cè)2022年土壤旱情,。結(jié)果表明,,CWSI、VSWI,、VTCI研究結(jié)果不符合實(shí)際土壤墑情結(jié)果,,TVDI值與實(shí)地歷史記錄的土壤墑情變化趨勢(shì)整體一致,總體呈現(xiàn)出河南省西北部,、中部,、北部隨時(shí)間變化而呈增大趨勢(shì),,且ARIMA模型預(yù)測(cè)的2022年土壤墑情結(jié)果效果良好,為河南省的農(nóng)業(yè)生產(chǎn)精準(zhǔn)管理提供參考依據(jù),。

    Abstract:

    Aim at the frequent soil drought disasters and the limited monitoring area of ground soil moisture monitoring stations in Henan Province, the meteorological drought index and remote sensing monitoring model were combined to predict soil drought. It was based on the standardized precipitation evapotranspiration index calculated by meteorological data from 2012 to 2021, and the drought monitoring effects of four indices of commonly used remote sensing models, namely crop water scarcity index, vegetation supply water index, temperature vegetation drought index and vegetation temperature condition index were evaluated. Taking 2019 as a typical drought year, the differences among the four indices were compared, and the spatial distribution and change trend of TVDI in Henan Province from 2012 to 2021 were analyzed. Finally, ARIMA model was used to predict soil drought in 2022. The results showed that the research results of CWSI, VSWI and VTCI were different from the actual results. Only the TVDI value was consistent with the change trend of soil moisture recorded in the field, and showed an increasing trend with time in the northwest, central and northern parts of Henan Province. The spatial evolution results showed that the coverage pixels of arid areas in 2019 accounted for 76%, which accounted for the largest proportion in this decade, and the soil moisture predicted by the ARIMA model in 2022 was consistent with the reality. On the basis of soil drought prediction, it can provide reference for the precise management of agricultural production in Henan Province.

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蘇瑩瑩,盧小平,肖鋒,張向軍,李國(guó)清,余海坤,王梟軒.基于TVDI結(jié)合ARIMA的河南省土壤旱情監(jiān)測(cè)方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2024,55(11):391-401,,522. SU Yingying, LU Xiaoping, XIAO Feng, ZHANG Xiangjun, LI Guoqing, YU Haikun, WANG Xiaoxuan. Soil Drought Monitoring with TVDI and ARIMA in Henan Province[J]. Transactions of the Chinese Society for Agricultural Machinery,2024,55(11):391-401,522.

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  • 收稿日期:2023-12-25
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  • 在線發(fā)布日期: 2024-11-10
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