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Document: Modeling and imaging land-cover influences on air-temperature in and near Baltimore, MD (Doc-217)

217
Authors
Heisler, G. M., Ellis, A., Nowak, D. and Yesilonis, I.
Year
2016
Title
Modeling and imaging land-cover influences on air-temperature in and near Baltimore, MD
Document Type
Journal Article
Journal
Theoretical and Applied Climatology
Volume
124
Issue
N/R
Pages
497-515
Abstract
ABSTRACT: "Over the course of 1681 hours between May 5 and September 30, 2006, air temperatures measured at the 1.5-m-height at seven sites in and near the city of Baltimore, MD were used to empirically model ΔT, the difference in air temperature between a site in downtown Baltimore and the six other sites. Variables in the prediction equation included difference between the downtown reference and each of the other sites in upwind tree cover and impervious cover as obtained from 10-m-resolution GIS (geographic information system) data. Other predictor variables included an index of atmospheric stability, topographic indices, wind speed, vapor pressure deficit, and antecedent precipitation. The model was used to map predicted hourly ΔT across the Baltimore region based on hourly weather data from the airport. Despite the numerous sources of variability in the regression modeling, the method produced reasonable map patterns of ΔT. Potential applications include predictions of the effect of changing tree cover on air temperature in the area.
URL Exit
https://www.fs.usda.gov/treesearch/pubs/52879
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