LiDAR Presentation
Post on 18-Dec-2015
214 views
Embed Size (px)
DESCRIPTION
DsaTRANSCRIPT
<p>PowerPoint Presentation</p>
<p>Quantifying landscape change in an arctic coastal lowland using repeat airborne LiDARPresented by Rafael Orozcoby Jones et al., 2013TEAMProject 5 Mapping Badlands TopographyStudy Area</p>
<p>Beaufort Sea CoastLiDAR data covering 100 km2 (2006 & 2010)2-4 km inland coverage1st vertical dataset (coastal permafrost)2TEAMProject 5 Mapping Badlands TopographyData ControlGravel pads act as thermal buffers for underlying permafrostElevation change of 0.1m</p>
<p>Badami Oil Field</p>
<p>3TEAMProject 5 Mapping Badlands TopographyCoastal ErosionReduced sea ice coverEarlier seasonal thawLater winter freeze-up</p>
<p>Measuring Change</p>
<p>0.55m vertical resolution>10m2 horizontal (5 pixels)</p>
<p>Causes</p>
<p>4TEAMProject 5 Mapping Badlands TopographyErosional Features</p>
<p>Total change of 0.3% area 1718 objects identified13 common categoriesCoastal bluff erosion and beach/spit erosion account for 83% of observed vertical change.</p>
<p>Thermoerosional gulliesThermokarst pondsSpit and beach depositsCut bank development</p>
<p>5TEAMProject 5 Mapping Badlands TopographyHistorical Temp & Thawing Degree Days</p>
<p>Overall increases in: Mean annual air temp.Thawing degree days (TDD)Mean annual ground temp.</p>
<p>6TEAMProject 5 Mapping Badlands TopographyReferences</p>
<p>7</p>
