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DOI	10.1016/j.jag.2018.12.013
	Elevation-dependent warming of land surface temperatures in the Andes assessed using MODIS LST time series (2000–2017)
	Aguilar-Lome J.; Espinoza-Villar R.; Espinoza J.-C.; Rojas-Acuña J.; Willems B.L.; Leyva-Molina W.-M.
发表日期	2019
ISSN	15698432
起始页码	119
结束页码	128
卷号	77
英文摘要	In this study, we report on the assessment of elevation-dependent warming processes in the Andean region between 7 °S and 20 °S, using Land Surface Temperature (LST). Remotely sensed LST data were obtained from Moderate Resolution Imaging Spectroradiometer (MODIS) sensor in an 8-day composite, at a 1 km resolution, and from 2000 to 2017 during austral winter (June-July-August, JJA). We analysed the relation between mean monthly daytime LST and mean monthly maximum air temperature. This relation is analysed for different types of coverage, obtaining a significant correlation that varies from 0.57 to 0.82 (p < 0.01). However, effects of change in land cover were ruled out by a previous comparative assessment of trends in daytime LST and normalized difference vegetation index (NDVI). The distribution of the winter daytime LST trend was found to be increasing in most areas, while decreasing in only a few areas. This trend shows that winter daytime LST is increasing at an average rate of 1.0 °C/decade. We also found that the winter daytime LST trend has a clear dependence on elevation, with strongest warming effects at higher elevations: 0.50 °C/decade at 1000–1500 masl, and 1.7 °C/decade above 5000 masl. However, the winter nighttime LST trend shows a steady increase with altitude increase. The dependence of rising temperature trends on elevation could have severe implications for water resources and high Andean ecosystems. © 2019 Elsevier B.V.
英文关键词	High mountains; Land surface warming; Remote sensing; Tropical Andes
语种	英语
scopus关键词	assessment method; data set; land surface; MODIS; NDVI; remote sensing; spatial resolution; time series; Andes
来源期刊	International Journal of Applied Earth Observation and Geoinformation
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156499
作者单位	Laboratorio de Teledetección, Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Lima, Peru; Instituto Geofísico del Perú (IGP), Lima, Peru; Centro de Competencias del Agua (CCA), Lima, Peru; Univ. Grenoble Alpes, IRD, CNRS, Grenoble INP, Insitut des Géosciences de l'Environnement (IGE, UMR 5001), Grenoble, 38000, France
推荐引用方式 GB/T 7714	Aguilar-Lome J.,Espinoza-Villar R.,Espinoza J.-C.,等. Elevation-dependent warming of land surface temperatures in the Andes assessed using MODIS LST time series (2000–2017)[J],2019,77.
APA	Aguilar-Lome J.,Espinoza-Villar R.,Espinoza J.-C.,Rojas-Acuña J.,Willems B.L.,&Leyva-Molina W.-M..(2019).Elevation-dependent warming of land surface temperatures in the Andes assessed using MODIS LST time series (2000–2017).International Journal of Applied Earth Observation and Geoinformation,77.
MLA	Aguilar-Lome J.,et al."Elevation-dependent warming of land surface temperatures in the Andes assessed using MODIS LST time series (2000–2017)".International Journal of Applied Earth Observation and Geoinformation 77(2019).