A prediction model for Xiangyang Neolithic sites based on a random forest algorithm
Title: | A prediction model for Xiangyang Neolithic sites based on a random forest algorithm |
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Authors: | Li Linzhi, Chen Xingyu, Sun Deliang, Wen Haijia |
Source: | Open Geosciences, Vol 15, Iss 1, Pp 1-5 (2023) |
Publisher Information: | De Gruyter, 2023. |
Publication Year: | 2023 |
Collection: | LCC:Geology |
Subject Terms: | archaeological site prediction, random forest model, xiangyang city, hubei, Geology, QE1-996.5 |
More Details: | The archaeological site prediction model can accurately identify archaeological site areas to enable better knowledge and understanding of human civilization processes and social development patterns. A total of 129 Neolithic site data in the region were collected using the Xiangyang area as the study area. An eight-factor index system of elevation, slope, slope direction, micromorphology, distance to water, slope position, planar curvature, and profile curvature was constructed. A geospatial database with a resolution of 30 m × 30 m was established. The whole sample set was built and trained in the ratio of 1:1 archaeological to nonarchaeological sites to obtain the prediction results. The average Gini coefficient was used to evaluate the influence of various archaeological site factors. The results revealed that the area under the curve values of the receiver operating characteristic curves were 1.000, 0.994, and 0.867 for the training, complete, and test datasets, respectively. Moreover, 60% of the historical, archaeological sites were located in the high-probability zone, accounting for 12% of the study area. The prediction model proposed in this study matched the spatial distribution characteristics of archaeological site locations. With the model assessed using the best samples, the results were categorized into three classes: low, average, and high. The proportion of low-, average-, and high-probability zones decreased in order. The high-probability zones were mainly located near the second and third tributaries and distributed at the low eastern hills and central hillocks. The random forest (RF) model was used to rank the importance of archaeological site variables. Elevation, slope, and micro-geomorphology were classified as the three most important variables. The RF model for archaeological site prediction has better stability and predictive ability in the case field; the model provides a new research method for archaeological site prediction and provides a reference for revealing the relationship between archaeological activities and the natural environment. |
Document Type: | article |
File Description: | electronic resource |
Language: | English |
ISSN: | 2391-5447 |
Relation: | https://doaj.org/toc/2391-5447 |
DOI: | 10.1515/geo-2022-0467 |
Access URL: | https://doaj.org/article/dde95471c85a492a8b94d051d98c456b |
Accession Number: | edsdoj.95471c85a492a8b94d051d98c456b |
Database: | Directory of Open Access Journals |
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Items | – Name: Title Label: Title Group: Ti Data: A prediction model for Xiangyang Neolithic sites based on a random forest algorithm – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Li+Linzhi%22">Li Linzhi</searchLink><br /><searchLink fieldCode="AR" term="%22Chen+Xingyu%22">Chen Xingyu</searchLink><br /><searchLink fieldCode="AR" term="%22Sun+Deliang%22">Sun Deliang</searchLink><br /><searchLink fieldCode="AR" term="%22Wen+Haijia%22">Wen Haijia</searchLink> – Name: TitleSource Label: Source Group: Src Data: Open Geosciences, Vol 15, Iss 1, Pp 1-5 (2023) – Name: Publisher Label: Publisher Information Group: PubInfo Data: De Gruyter, 2023. – Name: DatePubCY Label: Publication Year Group: Date Data: 2023 – Name: Subset Label: Collection Group: HoldingsInfo Data: LCC:Geology – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22archaeological+site+prediction%22">archaeological site prediction</searchLink><br /><searchLink fieldCode="DE" term="%22random+forest+model%22">random forest model</searchLink><br /><searchLink fieldCode="DE" term="%22xiangyang+city%22">xiangyang city</searchLink><br /><searchLink fieldCode="DE" term="%22hubei%22">hubei</searchLink><br /><searchLink fieldCode="DE" term="%22Geology%22">Geology</searchLink><br /><searchLink fieldCode="DE" term="%22QE1-996%2E5%22">QE1-996.5</searchLink> – Name: Abstract Label: Description Group: Ab Data: The archaeological site prediction model can accurately identify archaeological site areas to enable better knowledge and understanding of human civilization processes and social development patterns. A total of 129 Neolithic site data in the region were collected using the Xiangyang area as the study area. An eight-factor index system of elevation, slope, slope direction, micromorphology, distance to water, slope position, planar curvature, and profile curvature was constructed. A geospatial database with a resolution of 30 m × 30 m was established. The whole sample set was built and trained in the ratio of 1:1 archaeological to nonarchaeological sites to obtain the prediction results. The average Gini coefficient was used to evaluate the influence of various archaeological site factors. The results revealed that the area under the curve values of the receiver operating characteristic curves were 1.000, 0.994, and 0.867 for the training, complete, and test datasets, respectively. Moreover, 60% of the historical, archaeological sites were located in the high-probability zone, accounting for 12% of the study area. The prediction model proposed in this study matched the spatial distribution characteristics of archaeological site locations. With the model assessed using the best samples, the results were categorized into three classes: low, average, and high. The proportion of low-, average-, and high-probability zones decreased in order. The high-probability zones were mainly located near the second and third tributaries and distributed at the low eastern hills and central hillocks. The random forest (RF) model was used to rank the importance of archaeological site variables. Elevation, slope, and micro-geomorphology were classified as the three most important variables. The RF model for archaeological site prediction has better stability and predictive ability in the case field; the model provides a new research method for archaeological site prediction and provides a reference for revealing the relationship between archaeological activities and the natural environment. – Name: TypeDocument Label: Document Type Group: TypDoc Data: article – Name: Format Label: File Description Group: SrcInfo Data: electronic resource – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 2391-5447 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: https://doaj.org/toc/2391-5447 – Name: DOI Label: DOI Group: ID Data: 10.1515/geo-2022-0467 – Name: URL Label: Access URL Group: URL Data: <link linkTarget="URL" linkTerm="https://doaj.org/article/dde95471c85a492a8b94d051d98c456b" linkWindow="_blank">https://doaj.org/article/dde95471c85a492a8b94d051d98c456b</link> – Name: AN Label: Accession Number Group: ID Data: edsdoj.95471c85a492a8b94d051d98c456b |
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RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1515/geo-2022-0467 Languages: – Text: English PhysicalDescription: Pagination: PageCount: 5 StartPage: 1 Subjects: – SubjectFull: archaeological site prediction Type: general – SubjectFull: random forest model Type: general – SubjectFull: xiangyang city Type: general – SubjectFull: hubei Type: general – SubjectFull: Geology Type: general – SubjectFull: QE1-996.5 Type: general Titles: – TitleFull: A prediction model for Xiangyang Neolithic sites based on a random forest algorithm Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Li Linzhi – PersonEntity: Name: NameFull: Chen Xingyu – PersonEntity: Name: NameFull: Sun Deliang – PersonEntity: Name: NameFull: Wen Haijia IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 03 Type: published Y: 2023 Identifiers: – Type: issn-print Value: 23915447 Numbering: – Type: volume Value: 15 – Type: issue Value: 1 Titles: – TitleFull: Open Geosciences Type: main |
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