Observations and Modelling of Fronts and Frontogenesis

LIST OF FIGURES
Fizure Page
11.1 Tow tracks 29
11.2 Hourly sea surface temperature vs. salinity
from on-board CTD during 16-28 Jan., with
contours of 30
11.3 Hourly sea surface temperature, salinity and
from on-board CTD vs. latitude 31
t
11.4 Nominal 15 m (solid) and 70 m (dashed)
thermistor temperature (horizontal 500 m
means) vs. distance along tow tracks 32
11.5 Examples of fronts shown by isotherm crosssections
(interpolated from horizontal 100 m
mean thermistor temperatures) vs. depth and
distance along tow tracks 33
11.6 Probability density of difference of 15 m
temperature from climatological surface
temperature 34
11.7 Probability density of 15 m horizontal
temperature gradient 35
11.8 Horizontal wavenuniber spectrum of horizontal
temperature gradient from Tows 1, 2a, 2b, 3a,
and 4, ensemble averaged and band averaged
to 5 bands per decade 36
11.9 Horizontal wavenuniber spectra of horizontal
temperature gradient from Tows 1, 2a, 2b, 3a,
and 4, band averaged to 10 bands per decade 37
11.10 Horizontal wavenumber spectra of 15 m and 70 m
temperature for Tows 1, 2a, 2b, 3a, and 4,
ensemble averaged and band averaged to 5
bands per decade 38
11.11 Estimated 70 m internal wave vertical
displacement spectra from difference of 70 m
and 15 m power spectra, band averaged to 10
bands per decade (solid lines: x -- Tow 2a,
+ Tow 2b, X -- Tow 4) 39