Recent results on biofouling and optical background - PowerPoint PPT Presentation

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Recent results on biofouling and optical background

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In blue, the dead time': time spent above 200 kHz. Summer 2002. 32 and 14 kHz .06 and .03 ... Not visible: conditions not optimum. ... – PowerPoint PPT presentation

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Title: Recent results on biofouling and optical background


1
Recent results on bio-fouling and optical
background
Foreseen operations from 23rd to 26th of April
  • Recovery of bio-fouling measurement line
  • Recovery of K40 line

But, very bad weather
2
Counting rates
? Gaussian fit on the peak
? 30.45 kHz
3
Counting rates
The full period
  • In red, the counting rates
  • In blue, the dead time time spent above 200 kHz

Spring 2003
2831 and 1113.5 kHz .2 and .1
Baseline slightly lower but less stable !
4
Correlation baseline/current
Reminder Test 1.15 Summer 2002
And in Spring 2003?
5
Sea current at KM4, from April 2003 to November
2003
6
Reminder of the acquisition schema
Details week by week
7
Week 1
Week 3
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