{"id":15665,"date":"2024-08-27T17:55:46","date_gmt":"2024-08-27T12:25:46","guid":{"rendered":"https:\/\/matribhumisamachar.com\/en\/?p=15665"},"modified":"2024-08-27T17:55:46","modified_gmt":"2024-08-27T12:25:46","slug":"machine-learning-helps-predict-crustal-movements-in-tibetan-plateau","status":"publish","type":"post","link":"https:\/\/matribhumisamachar.com\/en\/2024\/08\/27\/machine-learning-helps-predict-crustal-movements-in-tibetan-plateau\/","title":{"rendered":"Machine learning helps predict crustal movements in Tibetan Plateau"},"content":{"rendered":"<p style=\"text-align: justify;\">Machine learning techniques used by scientists for modeling crustal deformations over the Tibetan Plateau have helped forecasting velocity vectors of such movements and enhancing the characterization of plate movements.<\/p>\n<p style=\"text-align: justify;\">Typically, a dense network of Continuously Operating Reference Stations (CORS) is employed to continuously monitor crustal deformation. Campaign-mode GPS surveys are often used to densify the existing CORS network. Establishing a station in the desired location can be very challenging due to logistical problems and regional geographical considerations. Moreover, this process is expensive, and studies on crustal movement are often hampered by data gaps caused by logistical restrictions. Machine learning technique can come as succour in such situations to predict GPS site velocity for crustal deformation research.<\/p>\n<p style=\"text-align: justify;\">To obtain velocity vectors at desired locations, scientist from Wadia Institute of Himalayan Geology, an autonomous Institute under the Department of Science and Technology (DST), Govt. of India, implemented machine learning techniques such as support vector machines, decision trees, and Gaussian process regression to accurately model crustal movement.<\/p>\n<p style=\"text-align: justify;\">The scientists analysed data from 1,271 permanent continuous and campaign-mode GPS stations located on the Tibetan plateau and its surrounding areas. They used data from 892 stations for model training and data from 379 stations for testing.<\/p>\n<p style=\"text-align: justify;\">The study published in Journal of Asian Earth Sciences demonstrates the effectiveness of these ML techniques in forecasting velocity vectors\u2014easting velocity (V<sub>E<\/sub>) and northing velocity (V<sub>N<\/sub>)\u2014and enhancing the characterization of plate movements. The correlation between the predicted and actual velocity vectors was found to be highly satisfactory making these ML predictive models considerably reliable for estimating geodetic velocity vectors.<\/p>\n<p style=\"text-align: justify;\">Based on the data-driven trends from the existing trained models, the scientists fed the locations of arbitrary GPS sites and predicted the V<sub>E<\/sub>\u00a0and V<sub>N<\/sub>\u00a0at those locations.<\/p>\n<p style=\"text-align: justify;\">The predicted velocities showed similar patterns to those obtained from neighbouring GPS stations. The ML algorithm demonstrates a remarkable achievement in the field of geodetic studies in a cost-effective manner.<\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/static.pib.gov.in\/WriteReadData\/userfiles\/image\/image0011LG4.jpg\" \/><\/p>\n<p style=\"text-align: justify;\"><em>Fig. 1. The graphical abstract illustrates the problem statement, methods used, and their utilization, along with the practical implementation.<\/em><\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/static.pib.gov.in\/WriteReadData\/userfiles\/image\/image002ASVT.jpg\" \/><\/p>\n<p style=\"text-align: justify;\"><em>Fig. 2<\/em><em>. Coordinates of\u00a0<\/em><em><a title=\"Learn more about GPS from ScienceDirect's AI-generated Topic Pages\" href=\"https:\/\/www.sciencedirect.com\/topics\/earth-and-planetary-sciences\/global-positioning-system\">GPS<\/a>\u00a0stations in the\u00a0<a title=\"Learn more about Tibetan Plateau from ScienceDirect's AI-generated Topic Pages\" href=\"https:\/\/www.sciencedirect.com\/topics\/earth-and-planetary-sciences\/tibetan-plateau\">Tibetan Plateau<\/a>\u00a0and surrounding area. The length of the arrow denotes the magnitude of the resultant velocity vector, and the direction of the velocity vectors is measured by its angle from north. The position of the stations marked with red color are used for training, whereas the position of the stations marked with yellow color are used for testing.<\/em><\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/static.pib.gov.in\/WriteReadData\/userfiles\/image\/image003WPGX.jpg\" \/><\/p>\n<p style=\"text-align: justify;\"><em>Fig. 3<\/em><em>. Predicted velocity vectors at desired locations obtained from the SVM, DT and GPR predictive models.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Machine learning techniques used by scientists for modeling crustal deformations over the Tibetan Plateau have helped forecasting velocity vectors of such movements and enhancing the characterization of plate movements. Typically, a dense network of Continuously Operating Reference Stations (CORS) is employed to continuously monitor crustal deformation. Campaign-mode GPS surveys are often used to densify the &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[136],"tags":[11251,11250,11249],"class_list":["post-15665","post","type-post","status-publish","format-standard","","category-national","tag-crustal-movements-forecasting","tag-machine-learning-predictions","tag-tibetan-plateau-geoscience"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Machine learning helps predict crustal movements in Tibetan Plateau - Matribhumi Samachar English<\/title>\n<meta name=\"description\" content=\"Discover how machine learning is used to forecast crustal movements in the Tibetan Plateau. 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