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The
following pictures represent work in progress and is part of our efforts
to look at the spatial and temporal distribution of parasites on horse
pastures. All maps are preliminary and are not to be used in any
final reports. Please contact any of the following people with questions
or comments.
Mike Sukhdeo
Marilyn G. Hughes
Geostatistics: Creation of a Digital Elevation Model for the Horse Pastures The sampling elevations within each field was obtained from a Trimble Pro-XR real time differential GPS unit. Horizontal accuracy of this unit is sub-meter accuracy. Vertical accuracy is 1.5 times less than horizontal, making the elevations accurate to within 1.5 meters. Although the data collected with this unit are corrected using coast-guard signals, the data were differentially corrected using base station data. from the Edison community base station. This was done to remove any inconsistencies in the data to improve vertical accuracy. The points were exported into a program called GS+ (Gamma Design Software) for analysis of descriptive statistics and geostatistical methods of variography, kriging, and cross-validation. From this a digital elevation model with 1 meter grid cell resolution of the horse pastures was created. Click
here to view the data distribution, and kriging model statistics.
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