Abstract Modern cities are constantly growing; this fact provokes strong environmental pressure as pollution, health problems, stress, and other troubles which as a whole reduces the citizens’ life quality. Some decades ago, the concept sustainable urban planning was created; the concept intends to generate friendly cities with a planned development. This research contributes to this task evaluating the potential that urban forests could have in the design of green corridors for Latin American intermediate cities (case study, Temuco, Chile). For the analysis and the generation of data, the Geographic Information System was applied. Also, the multispectral images were used with data derived from the Normalized Difference Vegetation Index (NDVI). The satellite used was the Sentinel-2, which gives red and infrared spectral information with a resolution of 10 × 10 m pixels providing vital information to analyze the quality of the vegetation. Methodologies applied were based on forestry ecosystem samples as well as on satellite technology. This helped to define the quality of the urban green areas allowing the connection to future green corridors. From these tools it was found that the green areas possess good quality vegetation, establishing the sanity, the form, the plant vigor, the stress, the chlorophyll activity and the vegetal cover. The results demonstrate that these combined methodologies of forestry ecology and geospatial tools, such as NDVI, are a good possibility to generate a continuous monitoring and follow up system of public areas, which in turn will allow a planning of those cities that contribute to a sustainable urban planning and with a better life quality for their population.

中文翻译：

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应用 NDVI 确定城市森林在拉丁美洲中间城市设计绿色走廊系统的潜力：案例研究，特木科，智利

摘要 现代城市不断发展壮大；这一事实引发了强大的环境压力，如污染、健康问题、压力和其他问题，从整体上降低了公民的生活质量。几十年前，可持续城市规划的概念诞生了；该概念旨在通过有计划的发展打造友好城市。这项研究有助于评估城市森林在拉丁美洲中间城市绿色走廊设计中的潜力（案例研究，特木科，智利）。对于数据的分析和生成，应用了地理信息系统。此外，多光谱图像与来自归一化差异植被指数 (NDVI) 的数据一起使用。使用的卫星是 Sentinel-2，它提供分辨率为 10 × 10 m 像素的红色和红外光谱信息，为分析植被质量提供重要信息。所采用的方法基于林业生态系统样本和卫星技术。这有助于确定城市绿地的质量，从而与未来的绿色走廊相连。从这些工具中发现，绿色区域拥有优质植被，建立了健全性、形态、植物活力、压力、叶绿素活性和植被覆盖度。结果表明，这些林业生态学和地理空间工具（如 NDVI）的组合方法非常有可能生成公共区域的持续监测和跟踪系统，