G-SIVAR: A Global Spatial Indicator Based on Variogram
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Boletim de Ciências Geodésicas |
Texto Completo: | https://revistas.ufpr.br/bcg/article/view/72044 |
Resumo: | Among the exploratory spatial data analysis tools, there are indicators of spatial association, which measure the degree of spatial dependence of analysed data and can be applied to quantitative data. Another procedure available is geostatistics, which is based on the variogram, describing quantitatively and qualitatively the spatial structure of a variable. The aim of this paper is to use the concept of the variogram to develop a global indicator of spatial association (Global Spatial Indicator Based on Variogram – G-SIVAR). The G-SIVAR indicator has a satisfactory performance for spatial association, with sensibility for anisotropy cases. Because the indicator is based on geostatistics, it is appropriate for quantitative and qualitative data. The developed indicator is derived from theoretical global variogram, providing more details of the spatial structure of the data. The G-SIVAR indicator is based on spatial dissimilarity, while traditional indexes, such as Moran’s I, are based on spatial similarity. |
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Boletim de Ciências Geodésicas |
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G-SIVAR: A Global Spatial Indicator Based on VariogramGeociências, Ciências da TerraSpatial association, Moran, Pseudo-significance test, Semivariogram.Among the exploratory spatial data analysis tools, there are indicators of spatial association, which measure the degree of spatial dependence of analysed data and can be applied to quantitative data. Another procedure available is geostatistics, which is based on the variogram, describing quantitatively and qualitatively the spatial structure of a variable. The aim of this paper is to use the concept of the variogram to develop a global indicator of spatial association (Global Spatial Indicator Based on Variogram – G-SIVAR). The G-SIVAR indicator has a satisfactory performance for spatial association, with sensibility for anisotropy cases. Because the indicator is based on geostatistics, it is appropriate for quantitative and qualitative data. The developed indicator is derived from theoretical global variogram, providing more details of the spatial structure of the data. The G-SIVAR indicator is based on spatial dissimilarity, while traditional indexes, such as Moran’s I, are based on spatial similarity.Boletim de Ciências GeodésicasBulletin of Geodetic Sciencesthe National Council of Scientific and Technological Development (CNPq)Naizer, Cláudia Cristina Baptista RamosRodrigues, David SouzaJunior, Jorge Ubirajara PedreiraPitombo, Cira Souza2019-07-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://revistas.ufpr.br/bcg/article/view/72044Boletim de Ciências Geodésicas; Vol 25, No 4 (2019)Bulletin of Geodetic Sciences; Vol 25, No 4 (2019)1982-21701413-4853reponame:Boletim de Ciências Geodésicasinstname:Universidade Federal do Paraná (UFPR)instacron:UFPRenghttps://revistas.ufpr.br/bcg/article/view/72044/40400Copyright (c) 2020 Cláudia Cristina Baptista Ramos Naizer, David Souza Rodrigues, Jorge Ubirajara Pedreira Junior, Cira Souza Pitombohttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccess2020-03-03T12:17:06Zoai:revistas.ufpr.br:article/72044Revistahttps://revistas.ufpr.br/bcgPUBhttps://revistas.ufpr.br/bcg/oaiqdalmolin@ufpr.br|| danielsantos@ufpr.br||qdalmolin@ufpr.br|| danielsantos@ufpr.br1982-21701413-4853opendoar:2020-03-03T12:17:06Boletim de Ciências Geodésicas - Universidade Federal do Paraná (UFPR)false |
dc.title.none.fl_str_mv |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
title |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
spellingShingle |
G-SIVAR: A Global Spatial Indicator Based on Variogram Naizer, Cláudia Cristina Baptista Ramos Geociências, Ciências da Terra Spatial association, Moran, Pseudo-significance test, Semivariogram. |
title_short |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
title_full |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
title_fullStr |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
title_full_unstemmed |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
title_sort |
G-SIVAR: A Global Spatial Indicator Based on Variogram |
author |
Naizer, Cláudia Cristina Baptista Ramos |
author_facet |
Naizer, Cláudia Cristina Baptista Ramos Rodrigues, David Souza Junior, Jorge Ubirajara Pedreira Pitombo, Cira Souza |
author_role |
author |
author2 |
Rodrigues, David Souza Junior, Jorge Ubirajara Pedreira Pitombo, Cira Souza |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
the National Council of Scientific and Technological Development (CNPq) |
dc.contributor.author.fl_str_mv |
Naizer, Cláudia Cristina Baptista Ramos Rodrigues, David Souza Junior, Jorge Ubirajara Pedreira Pitombo, Cira Souza |
dc.subject.none.fl_str_mv |
|
dc.subject.por.fl_str_mv |
Geociências, Ciências da Terra Spatial association, Moran, Pseudo-significance test, Semivariogram. |
topic |
Geociências, Ciências da Terra Spatial association, Moran, Pseudo-significance test, Semivariogram. |
description |
Among the exploratory spatial data analysis tools, there are indicators of spatial association, which measure the degree of spatial dependence of analysed data and can be applied to quantitative data. Another procedure available is geostatistics, which is based on the variogram, describing quantitatively and qualitatively the spatial structure of a variable. The aim of this paper is to use the concept of the variogram to develop a global indicator of spatial association (Global Spatial Indicator Based on Variogram – G-SIVAR). The G-SIVAR indicator has a satisfactory performance for spatial association, with sensibility for anisotropy cases. Because the indicator is based on geostatistics, it is appropriate for quantitative and qualitative data. The developed indicator is derived from theoretical global variogram, providing more details of the spatial structure of the data. The G-SIVAR indicator is based on spatial dissimilarity, while traditional indexes, such as Moran’s I, are based on spatial similarity. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-07-04 |
dc.type.none.fl_str_mv |
|
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://revistas.ufpr.br/bcg/article/view/72044 |
url |
https://revistas.ufpr.br/bcg/article/view/72044 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://revistas.ufpr.br/bcg/article/view/72044/40400 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Boletim de Ciências Geodésicas Bulletin of Geodetic Sciences |
publisher.none.fl_str_mv |
Boletim de Ciências Geodésicas Bulletin of Geodetic Sciences |
dc.source.none.fl_str_mv |
Boletim de Ciências Geodésicas; Vol 25, No 4 (2019) Bulletin of Geodetic Sciences; Vol 25, No 4 (2019) 1982-2170 1413-4853 reponame:Boletim de Ciências Geodésicas instname:Universidade Federal do Paraná (UFPR) instacron:UFPR |
instname_str |
Universidade Federal do Paraná (UFPR) |
instacron_str |
UFPR |
institution |
UFPR |
reponame_str |
Boletim de Ciências Geodésicas |
collection |
Boletim de Ciências Geodésicas |
repository.name.fl_str_mv |
Boletim de Ciências Geodésicas - Universidade Federal do Paraná (UFPR) |
repository.mail.fl_str_mv |
qdalmolin@ufpr.br|| danielsantos@ufpr.br||qdalmolin@ufpr.br|| danielsantos@ufpr.br |
_version_ |
1799771719927332864 |