|کد مقاله||کد نشریه||سال انتشار||مقاله انگلیسی||ترجمه فارسی||نسخه تمام متن|
|143668||163457||2016||15 صفحه PDF||سفارش دهید||دانلود رایگان|
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• New method to ID urban/suburban/rural land use by station temperature data explored
• Mean summer min temp was found to be best land-type predictor but ineffective alone.
• Multi-step algorithm using k-means clustering and multiple predictors was developed.
• Algorithm identified urban land use in greater Washington-Baltimore area 1980–2010.
• Both spatial and temporal rural-to-suburban transitions were captured by algorithm.
Changes to urban areas over time and their relationship to precipitation and climate is a topic of growing interest. Cities have existed and expanded for centuries, but datasets which show levels and changes in urbanization prior to recent years are often spatially or temporally limited. It is known urban areas are generally warmer than rural areas, therefore relative values of temperatures can be used to discern land type. In this study, a new method utilizing the statistical k-means clustering technique is proposed to identify urbanization by using temperature data recorded at meteorological weather stations. The new technique was developed and applied to a network of meteorological stations in the greater Washington, DC region for 5-year intervals from 1980 to 2010, where it was able to identify urban, suburban, and rural land types for both large and small cities. The technique was also able to capture general temporal transitions from rural to suburban environments at the edges of urban areas.
Journal: Urban Climate - Volume 17, September 2016, Pages 146–160