首页|Investigators at University of Virginia Detail Findings in Machine Learning (Modeling the Relationship Between Urban Tree Canopy, Landscape Heterogeneity, and Land Surface Temperature: a Machine Learning Approach)
Investigators at University of Virginia Detail Findings in Machine Learning (Modeling the Relationship Between Urban Tree Canopy, Landscape Heterogeneity, and Land Surface Temperature: a Machine Learning Approach)
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A new study on Machine Learning is now available. According to news reporting from Charlottesville, Virginia, by NewsRx journalists, research stated, “Cities across the United States and around the globe are embracing urban greening as a strategy for mitigating the effects of rising temperatures on human health and quality-of-life. Better understanding how the spatial configuration of tree canopy influences land surface temperature should help to increase the positive impacts of urban greening.” The news correspondents obtained a quote from the research from the University of Virginia, “This study applies a machine learning approach for modeling the relationship between urban tree canopy, landscape heterogeneity, and land surface temperature (LST) using data from nine cities located in nine different climate zones of the United States. We collected summer LST data from the U.S. Geological Survey (USGS) Analysis Ready Data series and processed them to derive mean, minimum, and maximum LST in degrees Fahrenheit for each Census block group within the cities considered. We also calculated the percentage of each block group comprised by the land cover designations in the 2016 or 2019 National Land Cover Database (NLCD) maintained by the USGS, depending on the vintage of the available LST data. High resolution tree canopy data were purchased for all the study cities and the spatial configuration of tree canopy was measured at the block group level using established landscape metrics. Landscape metrics of the waterbodies were also calculated to incorporate the cooling effects of waterbodies. We used a Generalized Boosted Regression Model (GBM) algorithm to predict LST from the collected data. Our results show that tree canopy exerts a consistent and significant influence on predicted land surface temperatures across all study cities, but that the configuration of tree canopy and water patches matters more in some locations than in others.”
CharlottesvilleVirginiaUnited StatesNorth and Central AmericaCyborgsEmerging TechnologiesMachine LearningUniversity of Virginia
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