J 
Spatiotemporal Prediction 
Interpolation in 4 Dimensions 
SURVEY 
Jense enough 
data 
Mn 
m BAER PROCESSING... 
r . 
| Sol #onf ureflie analysis 
1 S 
Integrated approach to 
Arnth determination 
+ 
al analysis 
ar depth averlaps 
BUNDESAMT FÜR 
SEESCHIFFFAHRT 
UND 
HYDROGRAPHIE 
- Geostatistical Weighting Function - Can a weighting function based on the hydrodynamic models 
provide more accurate synthetic sound speed profiles? 
1 
"m 
‚m 
© 
ression-Kriging 
Actual distribution of the 
target variable 
{f we would sample it very densely) 
Target variable 
Hengl 207 
Field samples 
z(s) 
7 + 
„. €(5) 
Residuals 
Jeographical space (s) 
m(s} 
Regression 
function (trend) 
Z(s) 
Final estimate 
by regression-Kriging 
Project 4D-SVP 
Advantages: 
Produces more reliable/objective interpolation 
Allows understanding the source of errors in the 
data 
|7