Description: 10 foot contours of a GIS geostistical Interpolation of a surface that models the depth to bedrock. Derived from known georeferenced locations where depths to bedrock have been observed. Contours were smoothed and topology was enforced to ensure that contours did not cross. Features with length less than 100 ft were removed.
Service Item Id: cdbf4d83ea0a41fbb3ce42e62a7ce976
Copyright Text: Neil Olson Hydrogeologist New Hampshire Geological Survey PO Box 95 29 Hazen Drive Concord, NH 03302-0095 603-271-2875 neil.olson@des.nh.gov
Description: GIS geostistical Interpolation of a surface that models the depth to bedrock. Derived from known georeferenced locations where depths to bedrock have been observed. These primarily include bedrock outcrops and well or boring locations. Interpolation method was ordinary kriging, using a lag size of 448.6 ft. A maximum of 20 neighbors and a minimum of 8 neighbors were used in interpolation.
Service Item Id: cdbf4d83ea0a41fbb3ce42e62a7ce976
Copyright Text: Neil Olson Hydrogeologist New Hampshire Geological Survey neil.olson@des.nh.gov 603-271-2875 P.O. Box 95, 29 Hazen Dr. Concord, NH 03302-0095
Description: Predicted standared error of GIS geostistical interpolation of a surface that models the depth to bedrock. Derived from known georeferenced locations where depths to bedrock have been observed. These primarily include bedrock outcrops and well or boring locations. Interpolation method was ordinary kriging, using a lag size of 448.6 ft. A maximum of 20 neighbors and a minimum of 8 neighbors were used in interpolation. The predicted standard error is the standard deviation of the predicted surface, and is a function of distance from the nearest data point.
Service Item Id: cdbf4d83ea0a41fbb3ce42e62a7ce976
Copyright Text: Neil Olson Hydrogeologist New Hampshire Geological Survey neil.olson@des.nh.gov 603-271-2875 P.O. Box 95, 29 Hazen Dr. Concord, NH 03302-0095