{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T16:49:11Z","timestamp":1774370951061,"version":"3.50.1"},"reference-count":75,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,26]],"date-time":"2023-06-26T00:00:00Z","timestamp":1687737600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Natural Science Foundation of Anhui Province","award":["2108085MD129"],"award-info":[{"award-number":["2108085MD129"]}]},{"name":"The Natural Science Foundation of Anhui Province","award":["2022zyxwjxalk039"],"award-info":[{"award-number":["2022zyxwjxalk039"]}]},{"name":"The Natural Science Foundation of Anhui Province","award":["41571400"],"award-info":[{"award-number":["41571400"]}]},{"name":"The Natural Science Foundation of Anhui Province","award":["2022AH040338"],"award-info":[{"award-number":["2022AH040338"]}]},{"name":"Anhui New Era Education Quality Engineering Project (Graduate Education)","award":["2108085MD129"],"award-info":[{"award-number":["2108085MD129"]}]},{"name":"Anhui New Era Education Quality Engineering Project (Graduate Education)","award":["2022zyxwjxalk039"],"award-info":[{"award-number":["2022zyxwjxalk039"]}]},{"name":"Anhui New Era Education Quality Engineering Project (Graduate Education)","award":["41571400"],"award-info":[{"award-number":["41571400"]}]},{"name":"Anhui New Era Education Quality Engineering Project (Graduate Education)","award":["2022AH040338"],"award-info":[{"award-number":["2022AH040338"]}]},{"name":"National Natural Science Foundation of China","award":["2108085MD129"],"award-info":[{"award-number":["2108085MD129"]}]},{"name":"National Natural Science Foundation of China","award":["2022zyxwjxalk039"],"award-info":[{"award-number":["2022zyxwjxalk039"]}]},{"name":"National Natural Science Foundation of China","award":["41571400"],"award-info":[{"award-number":["41571400"]}]},{"name":"National Natural Science Foundation of China","award":["2022AH040338"],"award-info":[{"award-number":["2022AH040338"]}]},{"name":"Higher Education Institutions in Anhui Province","award":["2108085MD129"],"award-info":[{"award-number":["2108085MD129"]}]},{"name":"Higher Education Institutions in Anhui Province","award":["2022zyxwjxalk039"],"award-info":[{"award-number":["2022zyxwjxalk039"]}]},{"name":"Higher Education Institutions in Anhui Province","award":["41571400"],"award-info":[{"award-number":["41571400"]}]},{"name":"Higher Education Institutions in Anhui Province","award":["2022AH040338"],"award-info":[{"award-number":["2022AH040338"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Drought causes significant losses in vegetation net primary productivity (NPP). However, the lack of real-time, large-scale NPP data poses challenges in analyzing the relationship between drought and NPP. Solar-induced chlorophyll fluorescence (SIF) offers a real-time approach to monitoring drought-induced NPP dynamics. Using two drought events in the Huang\u2013Huai\u2013Hai Plain from 2010 to 2020 as examples, we propose a new SIF\/NPP ratio index to quantify and evaluate SIF\u2019s capability in monitoring drought-induced NPP dynamics. The findings reveal distinct seasonal changes in the SIF\/NPP ratio across different drought events, intensities, and time scales. SIF demonstrates high sensitivity to commonly used vegetation greenness parameters for NPP estimation (R2 &gt; 0.8, p &lt; 0.01 for SIF vs NDVI and SIF vs LAI), as well as moderate sensitivity to land surface temperature (LST) and a fraction of absorbed photosynthetically active radiation (FAPAR) (R2 &gt; 0.5, p &lt; 0.01 for SIF vs FAPAR and R2 &gt; 0.6, p &lt; 0.01 for SIF vs LST). However, SIF shows limited sensitivity to precipitation (PRE). Our study suggests that SIF has potential for monitoring drought-induced NPP dynamics, offering a new approach for real-time monitoring and enhancing understanding of the drought\u2013vegetation productivity relationship.<\/jats:p>","DOI":"10.3390\/rs15133276","type":"journal-article","created":{"date-parts":[[2023,6,26]],"date-time":"2023-06-26T05:28:02Z","timestamp":1687757282000},"page":"3276","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Exploring the Potential of Solar-Induced Chlorophyll Fluorescence Monitoring Drought-Induced Net Primary Productivity Dynamics in the Huang-Huai-Hai Plain Based on the SIF\/NPP Ratio"],"prefix":"10.3390","volume":"15","author":[{"given":"Yanan","family":"Wang","sequence":"first","affiliation":[{"name":"Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"},{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]},{"given":"Jingchi","family":"He","sequence":"additional","affiliation":[{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]},{"given":"Ting","family":"Shao","sequence":"additional","affiliation":[{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]},{"given":"Youjun","family":"Tu","sequence":"additional","affiliation":[{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]},{"given":"Yuxin","family":"Gao","sequence":"additional","affiliation":[{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9158-3656","authenticated-orcid":false,"given":"Junli","family":"Li","sequence":"additional","affiliation":[{"name":"Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"},{"name":"Key Laboratory of JiangHuai Arable Land Resources Protection and Eco-Restoration, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1420","DOI":"10.1126\/science.aal1319","article-title":"The whole-soil carbon flux in response to warming","volume":"355","author":"Castanha","year":"2017","journal-title":"Science"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"529","DOI":"10.1038\/nature03972","article-title":"Europe-wide reduction in primary productivity caused by the heat and drought in 2003","volume":"437","author":"Ciais","year":"2005","journal-title":"Nature"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"940","DOI":"10.1126\/science.1192666","article-title":"Drought-induced reduction in global terrestrial net primary production from 2000 through 2009","volume":"329","author":"Zhao","year":"2010","journal-title":"Science"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"108821","DOI":"10.1016\/j.agrformet.2022.108821","article-title":"Spatiotemporal patterns of maize drought stress and their effects on biomass in the Northeast and North China Plain from 2000 to 2019","volume":"315","author":"Wan","year":"2022","journal-title":"Agric. 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