{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T17:19:55Z","timestamp":1771694395227,"version":"3.50.1"},"reference-count":54,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2022,9,5]],"date-time":"2022-09-05T00:00:00Z","timestamp":1662336000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["41974036"],"award-info":[{"award-number":["41974036"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["ZR2021QD131"],"award-info":[{"award-number":["ZR2021QD131"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007129","name":"Shandong Provincial Natural Science Foundation","doi-asserted-by":"publisher","award":["41974036"],"award-info":[{"award-number":["41974036"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007129","name":"Shandong Provincial Natural Science Foundation","doi-asserted-by":"publisher","award":["ZR2021QD131"],"award-info":[{"award-number":["ZR2021QD131"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The broadcast ionospheric model is one of the main methods for eliminating ionospheric delay errors for the Global Navigation Satellite Systems (GNSS) single-frequency users. GPS Klobuchar model (GPSK8) is the widely used broadcast ionospheric model for GPS, while BDS usually implements the BDS Klobuchar model (BDSK8) and BeiDou Global Broadcast Ionospheric Delay Correction Model (BDGIM). Geomagnetic storms may cause interference within the ionosphere and near-Earth space, compromising the accuracy of ionospheric models and adversely affecting the navigation satellite systems. This paper analyzes the static Standard Point Positioning (SPP) accuracy of GPS and BDS by implementing the broadcast ionospheric models and then investigates the impact of strong geomagnetic storms occurring in 2021 on positioning accuracy. The results show that the global 3D positioning accuracy (95%) of GPS + GPSK8, BDS + BDSK8, and BDS + BDGIM are 3.92 m, 4.63 m, and 3.50 m respectively. BDS has a better positioning accuracy in the northern hemisphere than that of the southern hemisphere, while the opposite is valid for GPS. In the mid-latitude region of the northern hemisphere, BDS + BDSK8 and BDS + BDGIM have similar positioning accuracy and are both better than GPS + GPSK8. The positioning accuracy after applying those three broadcast ionospheric models shows the superior performances of winter and summer over spring and autumn (based on the northern hemisphere seasons). With the exception of during winter, nighttime accuracy is better than that of daytime. The strong geomagnetic storm that occurred on the day of year (DOY) 132, 2021 has an impact on the positioning accuracy for only a small number of stations; however, the global average positioning accuracy is not significantly affected. The strong geomagnetic storms that occurred in DOY 307 and DOY 308 have a significant impact on the positioning accuracy of dozens of stations, and the global average positioning accuracy is affected to a certain extent, with some stations experiencing a serious loss of accuracy. Decreased degrees in positioning accuracy is proportional to the intensity of the geomagnetic storm. Of the 33 IGS Multi-GNSS Experiment (MGEX) stations worldwide, those located in the low and mid-latitudes are more significantly affected by the geomagnetic storms compared with higher latitudes. Evident fluctuations of the positioning errors existed during the strong geomagnetic storms, with an increase in extreme values, particularly in the up direction.<\/jats:p>","DOI":"10.3390\/rs14174424","type":"journal-article","created":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T04:18:32Z","timestamp":1662610712000},"page":"4424","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Performance Analysis of GPS\/BDS Broadcast Ionospheric Models in Standard Point Positioning during 2021 Strong Geomagnetic Storms"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0833-8287","authenticated-orcid":false,"given":"Qiang","family":"Li","sequence":"first","affiliation":[{"name":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6840-6678","authenticated-orcid":false,"given":"Xing","family":"Su","sequence":"additional","affiliation":[{"name":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China"},{"name":"Key Laboratory of Geomatics and Digital Technology of Shandong Province, Shandong University of Science and Technology, Qingdao 266590, China"}]},{"given":"Yan","family":"Xu","sequence":"additional","affiliation":[{"name":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3772-1966","authenticated-orcid":false,"given":"Hongyang","family":"Ma","sequence":"additional","affiliation":[{"name":"School of Geomatics Science and Technology, Nanjing Tech University, Nanjing 210037, China"}]},{"given":"Zhimin","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2744-9994","authenticated-orcid":false,"given":"Jianhui","family":"Cui","sequence":"additional","affiliation":[{"name":"College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5760-5666","authenticated-orcid":false,"given":"Tao","family":"Geng","sequence":"additional","affiliation":[{"name":"GNSS Research Center, Wuhan University, Wuhan 430079, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Ahmad, T., Li, X., and Seet, B.-C. (2017). Parametric Loop Division for 3D Localization in Wireless Sensor Networks. Sensors, 17.","DOI":"10.3390\/s17071697"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1830","DOI":"10.1016\/j.asr.2022.06.056","article-title":"Precise point positioning with BDS-2 and BDS-3 constellations: Ambiguity resolution and positioning comparison","volume":"70","author":"Hu","year":"2022","journal-title":"Adv. Space Res."},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Ma, H., and Verhagen, S. (2020). Precise Point Positioning on the Reliable Detection of Tropospheric Model Errors. Sensors, 20.","DOI":"10.3390\/s20061634"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"1914","DOI":"10.1016\/j.asr.2020.12.043","article-title":"Influence of the inhomogeneous troposphere on GNSS positioning and integer ambiguity resolution","volume":"67","author":"Ma","year":"2021","journal-title":"Adv. Space Res."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1109\/TAES.1987.310829","article-title":"Ionospheric Time-Delay Algorithm for Single-Frequency GPS Users","volume":"AES-23","author":"Klobuchar","year":"1987","journal-title":"IEEE Trans. Aerosp. Electron. Syst."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1134\/S0016793221040022","article-title":"The Response of the Equatorial Ionosphere over Nigeria to a Geomagnetic Storm Event","volume":"61","author":"Akinyemi","year":"2021","journal-title":"Geomagn. Aeron."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1007\/s10712-010-9104-0","article-title":"Density perturbations in the upper atmosphere caused by the dissipation of solar wind energy","volume":"32","author":"Prolss","year":"2011","journal-title":"Surv. Geophys."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"e2020JA028817","DOI":"10.1029\/2020JA028817","article-title":"Investigation of a neutral \u201ctongue\u201d observed by GOLD during the geomagnetic storm on May 11, 2019","volume":"126","author":"Cai","year":"2021","journal-title":"J. Geophys. Res-Space Phys."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"e2021JA029509","DOI":"10.1029\/2021JA029509","article-title":"Salient midlatitude ionospherethermosphere disturbances associate with SAPS during a minor but geoeffective storm at deep solar minimum","volume":"126","author":"Aa","year":"2021","journal-title":"J. Geophys. Res-Space Phys."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"9640","DOI":"10.1029\/2019JA026793","article-title":"Long-lasting penetration electric fields during geomagnetic storms: Observations and mechanisms","volume":"124","author":"Huang","year":"2019","journal-title":"J. Geophys. Res-Space Phys."},{"key":"ref_11","doi-asserted-by":"crossref","unstructured":"Vald\u00e9s-Abreu, J.C., D\u00edaz, M.A., B\u00e1ez, J.C., and Stable-S\u00e1nchez, Y. (2021). Effects of the 12 May 2021 Geomagnetic Storm on Georeferencing Precision. Remote Sens., 14.","DOI":"10.3390\/rs14010038"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"887","DOI":"10.1007\/s00190-011-0508-5","article-title":"The ionosphere: Effects, GPS modeling and the benefits for space geodetic techniques","volume":"85","author":"Juan","year":"2011","journal-title":"J. Geod."},{"key":"ref_13","first-page":"931","article-title":"Ionosphere response to three extreme events occurring near spring equinox in 2012, 2013 and 2015, observed by regional GNSS-TEC model","volume":"93","year":"2018","journal-title":"J. Geod."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1007\/s10291-012-0261-0","article-title":"Galileo single frequency ionospheric correction: Performances in terms of position","volume":"17","author":"Bidaine","year":"2012","journal-title":"GPS Solut."},{"key":"ref_15","unstructured":"European Union (2022, July 28). The European GNSS (Galileo) Open Service Signal-In-Space Interface Control Document Issue 2.0. Available online: https:\/\/galileognss.eu\/wp-content\/uploads\/2021\/01\/Galileo_OS_SIS_ICD_v2.0.pdf."},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/j.jastp.2018.02.014","article-title":"GPS, BDS and Galileo ionospheric correction models: An evaluation in range delay and position domain","volume":"170","author":"Wang","year":"2018","journal-title":"J. Atmos. Sol.-Terr. Phys."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"959","DOI":"10.1016\/j.asr.2012.09.039","article-title":"Evaluation of COMPASS ionospheric model in GNSS positioning","volume":"51","author":"Wu","year":"2013","journal-title":"Adv. Space Res."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"2168","DOI":"10.1016\/j.asr.2020.07.037","article-title":"BDGIM performance evaluation based on iGMAS global tracking network","volume":"66","author":"Zhao","year":"2020","journal-title":"Adv. Space Res."},{"key":"ref_19","doi-asserted-by":"crossref","unstructured":"Yang, C., Guo, J., Geng, T., Zhao, Q., Jiang, K., Xie, X., and Lv, Y. (2020). Assessment and Comparison of Broadcast Ionospheric Models: NTCM-BC, BDGIM, and Klobuchar. Remote Sens., 12.","DOI":"10.3390\/rs12071215"},{"key":"ref_20","doi-asserted-by":"crossref","unstructured":"Wang, G., Yin, Z., Hu, Z., Chen, G., Li, W., and Bo, Y. (2021). Analysis of the BDGIM Performance in BDS Single Point Positioning. Remote Sens., 13.","DOI":"10.3390\/rs13193888"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"1555","DOI":"10.1016\/j.asr.2016.01.010","article-title":"Improvement of Klobuchar model for GNSS single-frequency ionospheric delay corrections","volume":"57","author":"Wang","year":"2016","journal-title":"Adv. Space Res."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"833","DOI":"10.1016\/j.asr.2016.10.029","article-title":"A modified Klobuchar model for single-frequency GNSS users over the polar region","volume":"59","author":"Bi","year":"2017","journal-title":"Adv. Space Res."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1007\/s10291-022-01236-0","article-title":"A modified BDS Klobuchar model considering hourly estimated night-time delays","volume":"26","author":"Zhang","year":"2022","journal-title":"GPS Solut."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1007\/s10291-015-0448-2","article-title":"Anomalies in broadcast ionospheric coefficients recorded by GPS receivers over the past two solar cycles (1992\u20132013)","volume":"20","author":"Liu","year":"2015","journal-title":"GPS Solut."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Li, Q., Su, X., Xie, X., Tao, C., Cui, J., Chen, H., and Liu, Z. (2022, January 22\u201325). Accuracy Analysis of Error Compensation in the Ionospheric Model of BDS Broadcasting Based on ABC-BP Neural Network. Proceedings of the China Satellite Navigation Conference (CSNC 2022) Proceedings, Beijing, China.","DOI":"10.1007\/978-981-19-2576-4_6"},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"1214","DOI":"10.1016\/j.asr.2018.10.031","article-title":"Analysis of the data processing strategies of spherical harmonic expansion model on global ionosphere mapping for moderate solar activity","volume":"63","author":"Zhang","year":"2019","journal-title":"Adv. Space Res."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1016\/j.actaastro.2021.02.024","article-title":"Modeling and optimization of ionospheric model coefficients based on adjusted spherical harmonics function","volume":"182","author":"Dabbakuti","year":"2021","journal-title":"Acta Astronaut."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"391","DOI":"10.1109\/TAES.2021.3103259","article-title":"A Simplified Worldwide Ionospheric Model for Satellite Navigation","volume":"58","author":"Wang","year":"2022","journal-title":"IEEE Trans. Aerosp. Electron. Syst."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"172610","DOI":"10.1109\/ACCESS.2020.3024920","article-title":"Performance Evaluation of Adjusted Spherical Harmonics Ionospheric Model Over Indian Region","volume":"8","author":"Krishna","year":"2020","journal-title":"IEEE Access"},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1007\/s10291-019-0923-2","article-title":"Real-time single-frequency pseudorange positioning in China based on regional satellite clock and ionospheric models","volume":"24","author":"Zheng","year":"2019","journal-title":"GPS Solut."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1016\/j.actaastro.2021.10.004","article-title":"Influence of the ionosphere on the accuracy of the satellite navigation system","volume":"190","author":"Zhbankov","year":"2022","journal-title":"Acta Astronaut."},{"key":"ref_32","doi-asserted-by":"crossref","unstructured":"Chen, H., Niu, F., Su, X., Geng, T., Liu, Z., and Li, Q. (2021). Initial Results of Modeling and Improvement of BDS-2\/GPS Broadcast Ephemeris Satellite Orbit Based on BP and PSO-BP Neural Networks. Remote Sens., 13.","DOI":"10.3390\/rs13234801"},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"Geng, T., Su, X., Fang, R., Xie, X., Zhao, Q., and Liu, J. (2016). BDS Precise Point Positioning for Seismic Displacements Monitoring: Benefit from the High-Rate Satellite Clock Corrections. Sensors, 16.","DOI":"10.3390\/s16122192"},{"key":"ref_34","doi-asserted-by":"crossref","unstructured":"Su, M., Su, X., Zhao, Q., and Liu, J. (2019). BeiDou Augmented Navigation from Low Earth Orbit Satellites. Sensors, 19.","DOI":"10.3390\/s19010198"},{"key":"ref_35","doi-asserted-by":"crossref","unstructured":"Luo, X., Gu, S., Lou, Y., Xiong, C., Chen, B., and Jin, X. (2018). Assessing the Performance of GPS Precise Point Positioning Under Different Geomagnetic Storm Conditions during Solar Cycle 24. Sensors, 18.","DOI":"10.3390\/s18061784"},{"key":"ref_36","doi-asserted-by":"crossref","unstructured":"Su, X., Geng, T., Li, W., Zhao, Q., and Xie, X. (2017). Chang\u2019E-5T Orbit Determination Using Onboard GPS Observations. Sensors, 17.","DOI":"10.3390\/s17061260"},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1007\/s10291-019-0888-1","article-title":"PRIDE PPP-AR: An open-source software for GPS PPP ambiguity resolution","volume":"23","author":"Geng","year":"2019","journal-title":"GPS Solut."},{"key":"ref_38","doi-asserted-by":"crossref","unstructured":"Ma, H., Zhao, Q., Verhagen, S., Psychas, D., and Liu, X. (2020). Assessing the Performance of Multi-GNSS PPP-RTK in the Local Area. Remote Sens., 12.","DOI":"10.3390\/rs12203343"},{"key":"ref_39","doi-asserted-by":"crossref","first-page":"151","DOI":"10.1186\/s40623-015-0316-x","article-title":"Dependence of the high-latitude plasma irregularities on the auroral activity indices: A case study of 17 March 2015 geomagnetic storm","volume":"67","author":"Cherniak","year":"2015","journal-title":"Earth Planets Space"},{"key":"ref_40","doi-asserted-by":"crossref","unstructured":"Zhang, Y., Liu, Y., Mei, J., Zhang, C., and Wang, J. (2020). A Study on the Characteristics of the Ionospheric Gradient under Geomagnetic Perturbations. Sensors, 20.","DOI":"10.3390\/s20071805"},{"key":"ref_41","doi-asserted-by":"crossref","unstructured":"Liu, Y., Fu, L., Wang, J., and Zhang, C. (2018). Studying Ionosphere Responses to a Geomagnetic Storm in June 2015 with Multi-Constellation Observations. Remote Sens., 10.","DOI":"10.3390\/rs10050666"},{"key":"ref_42","doi-asserted-by":"crossref","unstructured":"Li, X., Cai, H., Li, D., Geng, C., Chen, L., and Xu, J. (2016, January 18\u201320). Analysis of the Influence of Geomagnetic Storms on the Ionospheric Model of Beidou\/GPS System. Proceedings of the China Satellite Navigation Conference (CSNC 2016) Proceedings, Changsha, China.","DOI":"10.1007\/978-981-10-0934-1_43"},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"e2021RS007340","DOI":"10.1029\/2021RS007340","article-title":"The Geomagnetic Storm Time Response of the Mid Latitude Ionosphere During Solar Cycle 24","volume":"56","author":"Tariku","year":"2021","journal-title":"Radio Sci."},{"key":"ref_44","doi-asserted-by":"crossref","unstructured":"Xue, J., Veettil, S.V., Aquino, M., Hu, X., Quan, L., Liu, D., Guo, P., and Wu, M. (2022). Performance of BDS B1 Frequency Standard Point Positioning during the Main Phase of Different Classified Geomagnetic Storms in China and the Surrounding Area. Remote Sens., 14.","DOI":"10.3390\/rs14051240"},{"key":"ref_45","doi-asserted-by":"crossref","unstructured":"Poniatowski, M., and Nykiel, G. (2020). Degradation of Kinematic PPP of GNSS Stations in Central Europe Caused by Medium-Scale Traveling Ionospheric Disturbances During the St. Patrick\u2019s Day 2015 Geomagnetic Storm. Remote Sens., 12.","DOI":"10.3390\/rs12213582"},{"key":"ref_46","doi-asserted-by":"crossref","unstructured":"Alcay, S. (2022). Ionospheric response to extreme events and its effects on precise point positioning. Indian J. Phys., 1\u201314.","DOI":"10.1007\/s12648-022-02343-x"},{"key":"ref_47","first-page":"3030","article-title":"Performance of GPS single frequency standard point positioning in China during the main phase of different classified geomagnetic storms","volume":"64","author":"Quan","year":"2021","journal-title":"Chin. J. Geophys."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"e2019JA027749","DOI":"10.1029\/2019JA027749","article-title":"Statistical Study of Loss of GPS Signals Caused by Severe and Great Geomagnetic Storms","volume":"125","author":"Zhang","year":"2020","journal-title":"J. Geophys. Res. Space Phys."},{"key":"ref_49","unstructured":"Space Weather Prediction Center, National Oceanic and Atmospheric Administration (2022, August 07). NOAA Space Weather Scales, Available online: https:\/\/www.swpc.noaa.gov\/sites\/default\/files\/images\/NOAAscales.pdf."},{"key":"ref_50","doi-asserted-by":"crossref","first-page":"687","DOI":"10.1016\/j.asr.2022.05.009","article-title":"Performance evaluation of BDS-3 ionospheric delay correction models (BDSK and BDGIM): First year for full operational capability of global service","volume":"70","author":"Zhang","year":"2022","journal-title":"Adv. Space Res."},{"key":"ref_51","unstructured":"Zhao, K. (2020). Research on the Method of Ionospheric Monitoring and Evaluation Based on iGMAS. [Doctoral Thesis, University of Chinese Academy of Sciences]. (In Chinese)."},{"key":"ref_52","unstructured":"Global Position System Directorate (2022, July 28). Navistar GPS Space Segment\/Navigation User Segment Interfaces, Available online: https:\/\/www.gps.gov\/technical\/icwg\/IS-GPS-200G.pdf."},{"key":"ref_53","unstructured":"China Satellite Navigation Office (2022, July 28). BeiDou Navigation Satellite System Signal in Space Interface Control Document Open Service Signal B1I (Version 3.0), Available online: http:\/\/www.beidou.gov.cn\/xt\/gfxz\/201902\/P020190227593621142475.pdf."},{"key":"ref_54","unstructured":"China Satellite Navigation Office (2022, July 28). BeiDou Navigation Satellite System Signal in Space Interface Control Document Open Service Signal B1C (Version 1.0), Available online: http:\/\/www.beidou.gov.cn\/xt\/gfxz\/201712\/P020171226741342013031.pdf."}],"container-title":["Remote Sensing"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/17\/4424\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:23:49Z","timestamp":1760142229000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2072-4292\/14\/17\/4424"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,9,5]]},"references-count":54,"journal-issue":{"issue":"17","published-online":{"date-parts":[[2022,9]]}},"alternative-id":["rs14174424"],"URL":"https:\/\/doi.org\/10.3390\/rs14174424","relation":{},"ISSN":["2072-4292"],"issn-type":[{"value":"2072-4292","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,9,5]]}}}