Section 7: Conducting Surveys along the Texas Coast

Coastal GPS Network

Following the Shoreline Using Video Camera

Shoreline Flight Lines

Water Level During Survey

Matagorda Peninsula Cars and People on the Beach

Flight Lines from 5 Survey Flights

Calibration Target Ground Survey Same GPS base station used for ground and lidar surveys

Lidar Point Accuracy Comparison with points measured by ground survey on paved runway Flight (Julian Day in 2002) Bias, mRMSE **, m 80, first flight , second flight , first flight , second flight , third flight , transects Average ** Root Mean Square Error

Ground Surveys Needed to aid interpretation

Beach Profile

Vegetation measured by lidar