. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography radiation from tl inc i dent radiat ic the foam. '! microwave en due to water 100 cm (50-0 is ic c V( a tine splie re (a ) , ant! from t he ocean (i ) cm atmosphere is opaque tc y at wave I ei:;; t lis he low ] cm por, -but between 1 c;:i an J Gil.; the atmospheric trans- rv"c1osc to Measurements oft lennodynam i c temperature relate to N.,â by ' lank ' s 1 aw. , can be e J by t io Raylcigh-JcanS Law at microwav
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography radiation from tl inc i dent radiat ic the foam. '! microwave en due to water 100 cm (50-0 is ic c V( a tine splie re (a ) , ant! from t he ocean (i ) cm atmosphere is opaque tc y at wave I ei:;; t lis he low ] cm por, -but between 1 c;:i an J Gil.; the atmospheric trans- rv"c1osc to Measurements oft lennodynam i c temperature relate to N.,â by ' lank ' s 1 aw. , can be e J by t io Raylcigh-JcanS Law at microwave wave 1 en ',ths, and this is proper - tional to '!_. -V-l . This s impl ifies the c a ?. c u I a t i o n s in t iat the radiance is dir- ectly proper Liona t o the first power of the temperature. Salinity affects ' , and absolute measure!'! :nts by aircraft of the 'oo arc be ins reported. (â â 'â "J order of l°/oo-2fJ Salinitv ;', in .ny techniques measure enissivity at 21 cm and require the ancil- lary measurement of temperature. Salinity effects on the dielectric constant of sea water are small at 8 cm. Thus a two- channel microwave sensor can provide salin- ity and temperature measurements in the absence of foam coverage (p=0 ). Sea state effects on an imaging radar are shown in Figure 5. These7data from a side- looking airborne radar1- ' show two narrow lineatiens which were shown by simultaneous infrared thermometers to be associated with a large temperature grad- ient in the Gulf Stream front region off Cape llatteras. These lineations are changes in the radar backscattering cross-section which suggest changes in sea state asso- ciated with the thermal change. This is. ^ St rear: â¢'.â¢â¢ oj titj u:rJ/ <ao (17). an be seen in t nc ov i .i";': one application of active radar in locating boundaries. 3-32 123. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - col
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