Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020
The Yucatan Peninsula (YP) is home to 32% of tropical forests of Mexico. Consequently, this area has a high cloudiness throughout the year, which represents a particular challenge for any mid- and long-term plant monitoring study based on satellite-image time series. This paper reports the results o...
| Autores: | , , |
|---|---|
| Tipo de documento: | artigo |
| Estado: | Versão publicada |
| Data de publicação: | 2022 |
| País: | México |
| Recursos: | UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO |
| Repositório: | Investigaciones Geográficas |
| Idioma: | espanhol |
| OAI Identifier: | oai:ojs.pkp.sfu.ca:article/60629 |
| Acesso em linha: | https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629 |
| Access Level: | Acceso aberto |
| Palavra-chave: | NVDI trend analysis time series gapfill abrupts estimation NDVI análisis de tendencias estimación de cambios abruptos series de tiempo bfast01 Península de Yucatán |
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Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 Clasificación de tendencias de NDVI en la península de Yucatán, México, de 2014 a 2020 |
| title |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| spellingShingle |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 Tecuapetla-Gómez, Inder NVDI trend analysis time series gapfill abrupts estimation NDVI análisis de tendencias estimación de cambios abruptos series de tiempo gapfill bfast01 Península de Yucatán |
| title_short |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| title_full |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| title_fullStr |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| title_full_unstemmed |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| title_sort |
Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020 |
| dc.creator.none.fl_str_mv |
Tecuapetla-Gómez, Inder Carbajal-Domínguez, Alfonso Montesinos-Chica, Valeria |
| author |
Tecuapetla-Gómez, Inder |
| author_facet |
Tecuapetla-Gómez, Inder Carbajal-Domínguez, Alfonso Montesinos-Chica, Valeria |
| author_role |
author |
| author2 |
Carbajal-Domínguez, Alfonso Montesinos-Chica, Valeria |
| author2_role |
author author |
| dc.subject.none.fl_str_mv |
NVDI trend analysis time series gapfill abrupts estimation NDVI análisis de tendencias estimación de cambios abruptos series de tiempo gapfill bfast01 Península de Yucatán |
| topic |
NVDI trend analysis time series gapfill abrupts estimation NDVI análisis de tendencias estimación de cambios abruptos series de tiempo gapfill bfast01 Península de Yucatán |
| description |
The Yucatan Peninsula (YP) is home to 32% of tropical forests of Mexico. Consequently, this area has a high cloudiness throughout the year, which represents a particular challenge for any mid- and long-term plant monitoring study based on satellite-image time series. This paper reports the results of a trend classification analysis of a time series (11 Landsat-7 ETM+ and 150 Landsat 8 OLI images) of the Normalized Difference Vegetation Index (NDVI) by soil and vegetation types in the eastern region of Escarcega, Campeche (YP) from 2014 to 2020. We applied the bfast01 algorithm to classify pixels according to linear trends, either global (a line with a positive or negative slope through the study period) or local (two linear segments, each with a positive or negative slope). The analysis reveals that most of the study region has NDVI values with global linear trends (browning: 47%; greening: 15.39%) and, to a lesser degree, local linear trends (delayed browning: 20.66%; browning to greening: 6.04%; delayed greening: 5.26%; greening to browning: 3.88%) We consider that generalized greening (which pools the greening, delayed greening, and browning to greening classes) and generalized browning (which pools the browning, delayed browning, and greening to browning classes) can be interpreted as dynamics with significant signs of recovery and degradation of the NDVI, respectively. These dynamics were identified mainly in the semi-evergreen medium tropical forest (generalized greening: 10.26%; generalized browning: 25.43%), semi-evergreen low thorny tropical forest (7.66 and 21.76) and the secondary tree vegetation of the medium tropical forest (3.26 and 10.93). The largest areas with any kind of linear local trend were identified in 2017 and 2018. |
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2022 |
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2022-11-29 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
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article |
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https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629 10.14350/rig.60629 |
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https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629 |
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10.14350/rig.60629 |
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spa |
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https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629/54500 https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629/54541 |
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Instituto de Geografía |
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Instituto de Geografía |
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Investigaciones Geográficas; No. 109 Investigaciones Geográficas; Núm. 109 2448-7279 0188-4611 reponame:Investigaciones Geográficas instname:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO instacron:UNAM |
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UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO |
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UNAM |
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Classification of NDVI Trends in the Yucatan Peninsula, Mexico, from 2014 to 2020Clasificación de tendencias de NDVI en la península de Yucatán, México, de 2014 a 2020Tecuapetla-Gómez, InderCarbajal-Domínguez, AlfonsoMontesinos-Chica, ValeriaNVDItrend analysistime seriesgapfillabrupts estimationNDVIanálisis de tendenciasestimación de cambios abruptosseries de tiempogapfillbfast01Península de YucatánThe Yucatan Peninsula (YP) is home to 32% of tropical forests of Mexico. Consequently, this area has a high cloudiness throughout the year, which represents a particular challenge for any mid- and long-term plant monitoring study based on satellite-image time series. This paper reports the results of a trend classification analysis of a time series (11 Landsat-7 ETM+ and 150 Landsat 8 OLI images) of the Normalized Difference Vegetation Index (NDVI) by soil and vegetation types in the eastern region of Escarcega, Campeche (YP) from 2014 to 2020. We applied the bfast01 algorithm to classify pixels according to linear trends, either global (a line with a positive or negative slope through the study period) or local (two linear segments, each with a positive or negative slope). The analysis reveals that most of the study region has NDVI values with global linear trends (browning: 47%; greening: 15.39%) and, to a lesser degree, local linear trends (delayed browning: 20.66%; browning to greening: 6.04%; delayed greening: 5.26%; greening to browning: 3.88%) We consider that generalized greening (which pools the greening, delayed greening, and browning to greening classes) and generalized browning (which pools the browning, delayed browning, and greening to browning classes) can be interpreted as dynamics with significant signs of recovery and degradation of the NDVI, respectively. These dynamics were identified mainly in the semi-evergreen medium tropical forest (generalized greening: 10.26%; generalized browning: 25.43%), semi-evergreen low thorny tropical forest (7.66 and 21.76) and the secondary tree vegetation of the medium tropical forest (3.26 and 10.93). The largest areas with any kind of linear local trend were identified in 2017 and 2018.La península de Yucatán (LPY) alberga 32% de las selvas tropicales de México. Por ello esta zona presenta una alta densidad de nubes a lo largo del año, característica que resulta un reto particular para cualquier estudio de monitoreo de la vegetación a mediano y largo plazo basado en series de tiempo de imágenes satelitales. En este artículo presentamos los resultados de un análisis de clasificación de tendencias de una serie de tiempo (11 imágenes Landsat-7 ETM+ y 150 Landsat 8 OLI) del Índice de Vegetación de Diferencia Normalizada (NDVI, por sus siglas en inglés) por tipo de suelo y vegetación en la región oriental de Escárcega, Campeche, en LPY de 2014 a 2020. Aplicamos el algoritmo bfast01 para clasificar pixeles por tendencias lineales, globales (una línea con pendiente positiva o negativa a lo largo del periodo de estudio) o locales (dos segmentos de línea con pendiente positiva o negativa en cada segmento). A partir del análisis se deduce que la mayor parte de la región estudiada tiene NDVI con tendencias lineales globales (pardeamiento: 47%; enverdecimiento: 15.39%) y en menor grado tendencias lineales locales (pardeamiento demorado: 20.66%; pardeamiento a enverdecimiento: 6.04%; enverdecimiento demorado: 5.26%; enverdecimiento a pardeamiento: 3.88%). Consideramos que el enverdecimiento generalizado (el agregado de las clases enverdecimiento, enverdecimiento demorado y pardeamiento a enverdecimiento) y el pardeamiento generalizado (el agregado de las clases pardeamiento, pardeamiento demorado y enverdecimiento a pardeamiento) pueden interpretarse como dinámicas con indicios significativos de recuperación y degradación del NDVI, respectivamente. Dichas dinámicas fueron identificadas principalmente en la selva mediana subperennifolia (enverdecimiento generalizado: 10.26%; pardeamiento generalizado: 25.43%), selva baja espinosa subperennifolia (7.66 y 21.76) y en la vegetación secundaria arbórea de selva mediana (3.26 y 10.93). En 2017 y 2018 se identificaron las áreas más grandes con alguna clase de tendencia local lineal.Instituto de Geografía2022-11-29info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdftext/xmlhttps://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/6062910.14350/rig.60629Investigaciones Geográficas; No. 109Investigaciones Geográficas; Núm. 1092448-72790188-4611reponame:Investigaciones Geográficasinstname:UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICOinstacron:UNAMspahttps://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629/54500https://www.investigacionesgeograficas.unam.mx/index.php/rig/article/view/60629/54541Derechos de autor 2022 Inder Tecuapetla-Gómez, * Autor de correspondencia, Alfonso Carbajal-Domínguez, Valeria Montesinos-Chicainfo:eu-repo/semantics/openAccessoai:ojs.pkp.sfu.ca:article/606292024-11-05T15:52:31Z |
| score |
15,811543 |