Table 3. Summary of krige interpolation statistics for each map; ASE is average standard error of the prediction error; RMS is root mean
square of the prediction error. Gray pattern indicates that the prediction error may be overestimated (i.e., ASE>RMS).

Map Unit Prediction error (1s)J Prediction error (1s; map)4 Map "Grid to Point" Number Model
(s)=surface ASE RMS Mean of the 2 X Mean of Contour Error Calculation of Wells5 Algorithm
(t)=thickness ASE (1s) the ASE (2s) Interval
 _________________ mean s________
Hawthorn Group (s) 23 34 22 44 25 1.64 11 526 Exponential
Hawthorn Group (t) 57 68 56 112 75 -0.25 21 321 Spherical
Peace River (s) 25 35 22 44 25 0.64 9 349 Exponential
Peace River (t) 27 34 37 74 30 0.33 25 324 Exponential
Bone Valley Mbr. (s) 26 35 23 46 40 2.61 10 33 Exponential
Bone Valley Mbr. (t) 7 7 10 20 20 0.26 3 38 Spherical
Arcadia Fm. (s) 29 35 25 50 30 0.7 11 466 Exponential
Arcadia Fm. (t) 61 122 75 -0.27 19 341 Exponential
Tampa Member (s) 44 88 50 0.6 11 235 Exponential
Tampa Member (t) 40 40 39 78 50 0.13 30 190 Exponential
Nocatee Member (s) 55 110 75 1.11 12 117 Exponential
Nocatee Member (t) 37 74 50 -0.24 21 105 Exponential
Suwannee Limestone (s) 68 136 75 0.98 18 414 Exponential
Suwannee Limestone (t) 43 47 37 74 50 0.1 12 265 Exponential
Ocala Limestone (s) 63 126 75 0.97 14 527 Spherical
Ocala Limestone (t) 34 49 30 60 50 -0.15 10 325 Exponential
Avon Park Fm. (s) 79 158 100 0.77 13 391 Circular
SAS (t) 25 29 25 50 25 0.41 18 703 Exponential
IA.C/II I ( 94 AA 91 A4 25r -1 27 1 41RR Fvnnnential


IAS/ICU (t)
FAS (s)
MFCU (s)


54 108 75 0.02 18 334 Spherical
64 128 75 0.87 16 655 Exponential
167 334 150 0.83 12 101 Spherical


3 krige statistics based on rectangular fit around distribution of wells
4 krige statistics based on irregular extent of mapped unit, which more accurately represents error within the study area
5 total number of wells used to produce each map, including wells (not shown on plates) within the outer 10 mile buffer zone


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