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Four-dimensional characterization of tree canopy wetting during precipitation events

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dc.contributor.advisorRemmel, Tarmo K.
dc.contributor.advisorBello, Richard
dc.contributor.advisorBunch, Martin
dc.creatorSiu, Doris Ka-Bik
dc.date.accessioned2016-09-13T13:15:20Z
dc.date.available2016-09-13T13:15:20Z
dc.date.copyright2013-09
dc.degree.disciplineGeography
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractThis study develops a four-dimensional (4D) Geographic Information System (GIS) model to track the movement of water through a tree canopy during a precipitation event. The goal is to understand how the wetting process of a tree canopy is correlated to spatial, temporal and environmental factors. Precipitation data at a one-minute temporal resolution was collected for a six-month period (June to November 2009) in which 20 leaf wetness sensors were installed within the canopy of a Japanese Lilac Tree on York University's Keele campus in Toronto, Ontario, Canada. Water movement varied depending on sensor position, rain category, and season. Drizzle events significantly differed compared to other rain categories and the wetness along the upper edge was significantly different from other regions of the tree canopy. These results demonstrate that the internal complexities of the tree canopy govern the heterogeneous nature of canopy wetting and drying phases.
dc.identifier.urihttp://hdl.handle.net/10315/32009
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subject.keywordstree canopy
dc.subject.keywordsprecipitations
dc.subject.keywordsgeographic information system
dc.subject.keywordsGIS
dc.subject.keywordswater
dc.subject.keywordswetting process
dc.subject.keywordsToronto
dc.titleFour-dimensional characterization of tree canopy wetting during precipitation events
dc.typeElectronic Thesis or Dissertation

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