干旱区生态环境知识资源中心(Arid): SPATIOTEMPORAL STUDY OF EXITING VEGETATION IN THE ATACAMA REGION AND ITS RELATIONSHIP WITH FLOWERING DESERT

Arid

DOI	10.21138/GF.722
	SPATIOTEMPORAL STUDY OF EXITING VEGETATION IN THE ATACAMA REGION AND ITS RELATIONSHIP WITH FLOWERING DESERT
	Campos Nazer, Juan; Espinoza Aburto, Jose; Ramos Aguilar, Jorge
通讯作者	Nazer, JC (corresponding author)，Univ Atacama, Area Geomin, Copayapu 485, Copiapo, Chile.
来源期刊	GEOFOCUS-REVISTA INTERNACIONAL DE CIENCIA Y TECNOLOGIA DE LA INFORMACION GEOGRAFICA
ISSN	1578-5157
出版年	2021
期号	28
英文摘要	In the Atacama Region, Chile, a phenomenon known as the flowering desert (or desert bloom) occurs, which is the result of infrequent precipitation events that regulate the amount of existing biota. In this context, this study graphs the spatial and temporal distribution of vegetation in the Region from 2000 to 2017. Vegetation areas have been determined using the MOD13Qproduct derived from the MODIS sensor. This product uses the NDVI factor, which detects vegetation vigor. For the analysis, the ArcPy library written in Python was used. Later graphs of the NDVI factor were generate, in addition to annual vegetation density maps of the vegetal cover. The results showed that 2017 was a year with 8 % more vegetation compared to 2015, being those years among the ones with larger vegetation cover according to Chilean Corporacion Nacional Forestal (CONAF). The maximum NDVI factor was concentrated in 2017, making this year the one with the highest amount of concentrated vegetation in the last 18 years. This amount of vegetation is increased between May to July mainly due to the presence of flowering related to the Flowering Desert which triples the surface of vegetation. This higher concentration of vegetation would not have been possible without the abundant rainfall that occurred during May of 2017.
英文关键词	flowering desert NDVI MODIS GIS Terra
类型	Article
语种	西班牙语
开放获取类型	gold
收录类别	ESCI
WOS记录号	WOS:000757017400005
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/376130
作者单位	[Campos Nazer, Juan] Univ Atacama, Area Geomin, Copayapu 485, Copiapo, Chile; [Espinoza Aburto, Jose] Junta Vigilancia Cuenca Rio Huasco & Sus Afluente, Arturo Prat 202, Vallenar, Atacama, Chile; [Ramos Aguilar, Jorge] Pontificia Univ Catolica Chile, Av Libertador Bernardo OHiggins 340, Santiago, Region Metropol, Chile
推荐引用方式 GB/T 7714	Campos Nazer, Juan,Espinoza Aburto, Jose,Ramos Aguilar, Jorge. SPATIOTEMPORAL STUDY OF EXITING VEGETATION IN THE ATACAMA REGION AND ITS RELATIONSHIP WITH FLOWERING DESERT[J],2021(28).
APA	Campos Nazer, Juan,Espinoza Aburto, Jose,&Ramos Aguilar, Jorge.(2021).SPATIOTEMPORAL STUDY OF EXITING VEGETATION IN THE ATACAMA REGION AND ITS RELATIONSHIP WITH FLOWERING DESERT.GEOFOCUS-REVISTA INTERNACIONAL DE CIENCIA Y TECNOLOGIA DE LA INFORMACION GEOGRAFICA(28).
MLA	Campos Nazer, Juan,et al."SPATIOTEMPORAL STUDY OF EXITING VEGETATION IN THE ATACAMA REGION AND ITS RELATIONSHIP WITH FLOWERING DESERT".GEOFOCUS-REVISTA INTERNACIONAL DE CIENCIA Y TECNOLOGIA DE LA INFORMACION GEOGRAFICA .28(2021).