The KLIWAS Climatology for Sea Surface Temperature and Ocean Colour Fronts 
In the North Sea 
Contents 
06 
LIST OF FIGURES 
06 
LIST OF TABLES 
07 
LIST OF ABBREVIATIONS 
09 
i 
ABSTRACT 
10 
2 
CLIMATE CHANGE, OCEANIC FRONTS AND THEIR 
PARTICULAR IMPORTANCE FOR KLIWAS - AN 
INTRODUCTION 
14 
3 
ALGORITHM DESCRIPTION 
14 
3.1 
APPROACHES TO FEATURE DETECTION 
14 
GRADIENT-ALGORITHM 
14 
HISTOGRAM-ALGORITHM 
14 
3.2 
ALGORITHM THEORETICAL DESCRIPTION 
16 
3.2.1 
PRE-PROCESSING 
17 
3.2.2 
FRONT DETECTION 
18 
4 
DESCRIPTION OF THE INPUT AND OUTPUT PRODUCTS 
18 
4.1 
SST AND OCEAN COLOUR INPUT DATA 
20 
4.2 
STATISTIC FRONT PRODUCT 
20 
4.2.1 
NORTH SEA BLANK 
20 
4.2.2 
PREDEFINED BANDS IN STATISTIC FRONT PRODUCT - SST & OC 
23 
4.2.3 
STATISTIC FRONT PRODUCT - SST AND OC 
26 
5 
THE IMPACT OF THE LOCAL WIND FIELD ON SST FRONTS 
IN THE GERMAN BIGHT 
31 
6 
CONCLUSIONS / OUTLOOK / SUMMARY 
33 
7 
DATA ACCESS 
33 
7.1 
DATA FORMAT AND ACCESS 
33 
7.2 
STRUCTURE OF DATA 
34 
ACKNOWLEDGEMENT 
35 
REFERENCES