Marine News

Mesoscale marine atmospheric boundary layer phenomena observed by Envisat ASAR

24 February 2014

Mesoscale marine atmospheric boundary layer (MABL) phenomena are frequently observed by satellite sensors. They appear either as organised cloud patterns in visible-infrared satellite images or as coherent patterns on the sea surface in microwave synthetic aperture radar (SAR) images.

Both atmospheric gravity waves (AGW) and marine atmospheric boundary layer (MABL) rolls are simultaneously observed on an Envisat advanced synthetic aperture radar (ASAR) image acquired along the China coast on 22 May 2005. The sea surface imprints of AGW show the patterns of both a transverse wave along the coastal plain and a diverging wave in the lee of Mount Laoshan (1133m peak), which indicate that terrain forcing affects the formation of AGW.

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