{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T09:23:24Z","timestamp":1773998604076,"version":"3.50.1"},"reference-count":56,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T00:00:00Z","timestamp":1716163200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["52179085"],"award-info":[{"award-number":["52179085"]}]},{"name":"National Natural Science Foundation of China","award":["52309112"],"award-info":[{"award-number":["52309112"]}]},{"name":"National Natural Science Foundation of China","award":["CX (20)2037"],"award-info":[{"award-number":["CX (20)2037"]}]},{"name":"National Natural Science Foundation of China","award":["BZ2020068"],"award-info":[{"award-number":["BZ2020068"]}]},{"name":"National Natural Science Foundation of China","award":["2022ZB667"],"award-info":[{"award-number":["2022ZB667"]}]},{"name":"Independent Innovation Fund Project of Agricultural Science and Technology in Jiangsu Province","award":["52179085"],"award-info":[{"award-number":["52179085"]}]},{"name":"Independent Innovation Fund Project of Agricultural Science and Technology in Jiangsu Province","award":["52309112"],"award-info":[{"award-number":["52309112"]}]},{"name":"Independent Innovation Fund Project of Agricultural Science and Technology in Jiangsu Province","award":["CX (20)2037"],"award-info":[{"award-number":["CX (20)2037"]}]},{"name":"Independent Innovation Fund Project of Agricultural Science and Technology in Jiangsu Province","award":["BZ2020068"],"award-info":[{"award-number":["BZ2020068"]}]},{"name":"Independent Innovation Fund Project of Agricultural Science and Technology in Jiangsu Province","award":["2022ZB667"],"award-info":[{"award-number":["2022ZB667"]}]},{"name":"\u201cBelt and Road\u201d Innovation Cooperation Project of Jiangsu Province","award":["52179085"],"award-info":[{"award-number":["52179085"]}]},{"name":"\u201cBelt and Road\u201d Innovation Cooperation Project of Jiangsu Province","award":["52309112"],"award-info":[{"award-number":["52309112"]}]},{"name":"\u201cBelt and Road\u201d Innovation Cooperation Project of Jiangsu Province","award":["CX (20)2037"],"award-info":[{"award-number":["CX (20)2037"]}]},{"name":"\u201cBelt and Road\u201d Innovation Cooperation Project of Jiangsu Province","award":["BZ2020068"],"award-info":[{"award-number":["BZ2020068"]}]},{"name":"\u201cBelt and Road\u201d Innovation Cooperation Project of Jiangsu Province","award":["2022ZB667"],"award-info":[{"award-number":["2022ZB667"]}]},{"name":"Sixth \u201c333 High Level Talented Person Cultivating Project\u201d of Jiangsu Province","award":["52179085"],"award-info":[{"award-number":["52179085"]}]},{"name":"Sixth \u201c333 High Level Talented Person Cultivating Project\u201d of Jiangsu Province","award":["52309112"],"award-info":[{"award-number":["52309112"]}]},{"name":"Sixth \u201c333 High Level Talented Person Cultivating Project\u201d of Jiangsu Province","award":["CX (20)2037"],"award-info":[{"award-number":["CX (20)2037"]}]},{"name":"Sixth \u201c333 High Level Talented Person Cultivating Project\u201d of Jiangsu Province","award":["BZ2020068"],"award-info":[{"award-number":["BZ2020068"]}]},{"name":"Sixth \u201c333 High Level Talented Person Cultivating Project\u201d of Jiangsu Province","award":["2022ZB667"],"award-info":[{"award-number":["2022ZB667"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Taking the AquaCrop crop model as the research object, considering the complexity and uncertainty of the crop growth process, the crop model can only achieve more accurate simulation on a single point scale. In order to improve the application scale of the crop model, this study inverted the canopy coverage of a tea garden based on UAV multispectral technology, adopted the particle swarm optimization algorithm to assimilate the canopy coverage and crop model, constructed the AquaCrop-PSO assimilation model, and compared the canopy coverage and yield simulation results with the localized model simulation results. It is found that there is a significant regression relationship between all vegetation indices and canopy coverage. Among the single vegetation index regression models, the logarithmic model constructed by OSAVI has the highest inversion accuracy, with an R2 of 0.855 and RMSE of 5.75. The tea yield was simulated by the AquaCrop-PSO model and the measured values of R2 and RMSE were 0.927 and 0.12, respectively. The canopy coverage R2 of each simulated growth period basically exceeded 0.9, and the accuracy of the simulation results was improved by about 19.8% compared with that of the localized model. The results show that the accuracy of crop model simulation can be improved effectively by retrieving crop parameters and assimilating crop models through UAV remote sensing.<\/jats:p>","DOI":"10.3390\/s24103255","type":"journal-article","created":{"date-parts":[[2024,5,20]],"date-time":"2024-05-20T11:06:41Z","timestamp":1716203201000},"page":"3255","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Research on Assimilation of Unmanned Aerial Vehicle Remote Sensing Data and AquaCrop Model"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1130-4336","authenticated-orcid":false,"given":"Wei","family":"Li","sequence":"first","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"},{"name":"Institute of Fluid Engineering Equipment Technology, Jiangsu University, Zhenjiang 212009, China"}]},{"given":"Manpeng","family":"Li","sequence":"additional","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6604-9785","authenticated-orcid":false,"given":"Muhammad","family":"Awais","sequence":"additional","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"},{"name":"Institute of Fluid Engineering Equipment Technology, Jiangsu University, Zhenjiang 212009, China"}]},{"given":"Leilei","family":"Ji","sequence":"additional","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"},{"name":"Wenling Fluid Machinery Technology Institute, Jiangsu University, Wenling 317525, China"}]},{"given":"Haoming","family":"Li","sequence":"additional","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"}]},{"given":"Rui","family":"Song","sequence":"additional","affiliation":[{"name":"National Research Center of Pumps, Jiangsu University, Zhenjiang 212013, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7911-7548","authenticated-orcid":false,"given":"Muhammad Jehanzeb Masud","family":"Cheema","sequence":"additional","affiliation":[{"name":"Faculty of Agricultural Engineering and Technology, PMAS-Arid Agriculture University, Rawalpindi 46000, Pakistan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9642-1023","authenticated-orcid":false,"given":"Ramesh","family":"Agarwal","sequence":"additional","affiliation":[{"name":"Louis McKelvey School of Engineering, Washington University, St. Louis, MO 63114, USA"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Guan, Y., Tian, X., Zhang, W., Marino, A., Huang, J., Mao, Y., and Zhao, H. 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