Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsa54a..10h&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #SA54A-10
Physics
0545 Modeling (4255), 2447 Modeling And Forecasting, 2487 Wave Propagation (0689, 3285, 4275, 4455, 6934), 3314 Convective Processes
Scientific paper
The Maritime Continent and northern Australia is a complex region incorporating a myriad small and large islands, narrow peninsulas, inner seas, and surrounding oceanic and continental areas . As a consequence of its location and unique geography the Maritime Continent-north Australia is extremely convectively active, and has been referred to as the boiler-box of the atmosphere. Deep convection generates a broad spectrum of waves that can propagate to high altitudes and attain wave breaking amplitudes. The enhancement of eddy diffusivity in the summer is thought to be linked to increased convective activity. We present a case study of convectively-generated waves over the Maritime Continent as simulated by a regional model. The characteristics of the waves and sources on time scales ranging from hourly to the diurnal and on spatial scales ranging from ~10-500 km are presented. The implications of this case study for our understanding of eddy diffusivity on shorter time and spatial scales is discussed.
Hassiotis A.
Kane Thomas
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