{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T02:13:27Z","timestamp":1772676807691,"version":"3.50.1"},"reference-count":45,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2023,2,6]],"date-time":"2023-02-06T00:00:00Z","timestamp":1675641600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Jiangsu Provincial Key R&amp;D Program","award":["BE2022161"],"award-info":[{"award-number":["BE2022161"]}]},{"name":"the Jiangsu Provincial Key R&amp;D Program","award":["CXFZ2022J031"],"award-info":[{"award-number":["CXFZ2022J031"]}]},{"name":"the Jiangsu Provincial Key R&amp;D Program","award":["41875111"],"award-info":[{"award-number":["41875111"]}]},{"name":"Special Program for Innovation and Development of China Meteorological Admin-istration","award":["BE2022161"],"award-info":[{"award-number":["BE2022161"]}]},{"name":"Special Program for Innovation and Development of China Meteorological Admin-istration","award":["CXFZ2022J031"],"award-info":[{"award-number":["CXFZ2022J031"]}]},{"name":"Special Program for Innovation and Development of China Meteorological Admin-istration","award":["41875111"],"award-info":[{"award-number":["41875111"]}]},{"name":"the National Natural Science Foundation of China","award":["BE2022161"],"award-info":[{"award-number":["BE2022161"]}]},{"name":"the National Natural Science Foundation of China","award":["CXFZ2022J031"],"award-info":[{"award-number":["CXFZ2022J031"]}]},{"name":"the National Natural Science Foundation of China","award":["41875111"],"award-info":[{"award-number":["41875111"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>From 19 July 2022 to 31 August 2022, a rare persistent drought and heat event occurred in the middle of the Yangtze River basin (MYRB). Normalized difference vegetation Index (NDVI) over 25% of the area decreased more than 0.05 compared with the climatology, causing extremely agricultural drought disaster and economic losses to China. Previous studies have shown that the occurrence of compound drought and heat events (CDHEs) in the MYRB was associated with intra-seasonal oscillations (ISOs) from different latitudes. Nevertheless, what was the role of ISOs at different latitudes in the formation of the CDHE? To address this question, this paper designed a numerical simulation experiment of partial lateral forcing to investigate the changes in meteorological elements by removing the signals of ISOs on different lateral boundaries. We found that the wave series formed in the upper troposphere at 200 hPa played a significant role in the occurrence of the CDHE in the northern part of the MYRB in this progress. It was found that the ISO component of the northern boundary caused the mean temperature to rise by 2.4 \u00b0C and aggravated the drought in 53.7% of the region. On the other hand, the anticyclone anomaly in the lower troposphere at 800 hPa had a continuous impact on the southern and eastern boundaries. It was found that the ISO component of these two boundaries can increase the average temperature by 1.93 \u00b0C in the MYRB and intensify the drought in 49.7% of the area. In the developing period of the CDHE, the South Asian high and the Western North Pacific subtropical high were coupled with each other and jointly controlled the MYRB, so that the significant positive geopotential height anomaly stayed above the MYRB for a long time, which was conducive to the development of local subsidence. The results of this paper will help to better understand the formation mechanism of CDHEs in the MYRB and assist meteorologists to prevent and forecast the occurrence of CDHEs in advance.<\/jats:p>","DOI":"10.3390\/rs15040892","type":"journal-article","created":{"date-parts":[[2023,2,6]],"date-time":"2023-02-06T06:35:05Z","timestamp":1675665305000},"page":"892","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Numerical Study on the Effects of Intraseasonal Oscillations for a Persistent Drought and Hot Event in South China Summer 2022"],"prefix":"10.3390","volume":"15","author":[{"given":"Yi","family":"Qin","sequence":"first","affiliation":[{"name":"Key Laboratory of Meteorological Disaster, Ministry of Education, School of Atmospheric Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China"}]},{"given":"Yujing","family":"Qin","sequence":"additional","affiliation":[{"name":"Key Laboratory of Meteorological Disaster, Ministry of Education, School of Atmospheric Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9921-9181","authenticated-orcid":false,"given":"Yichen","family":"Shen","sequence":"additional","affiliation":[{"name":"Key Laboratory of Meteorological Disaster, Ministry of Education, School of Atmospheric Sciences, Nanjing University of Information Science & Technology, Nanjing 210044, China"}]},{"given":"Yonghua","family":"Li","sequence":"additional","affiliation":[{"name":"Chongqing Climate Center, Chongqing 401147, China"}]},{"given":"Bo","family":"Xiang","sequence":"additional","affiliation":[{"name":"Chongqing Climate Center, Chongqing 401147, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,6]]},"reference":[{"key":"ref_1","unstructured":"IPCC (2021). 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