The kingdom is a constitutional monarchy with Norodom Sihamoni, a monarch chosen by the Royal Throne Council, as head of state. The head of government is Hun Sen, who is currently the longest serving non-royal leader in South East Asia and has ruled Cambodia for over 25 years.he Prime Minister of Cambodia, an office held by Hun Sen since 1985, is the head of government, while the King of Cambodia (currently Norodom Sihamoni) is the head of state. The prime minister is appointed by the king, on the advice and with the approval of the National Assembly.
Photo by: Hynek Kalista. Atmospheric circulation is the movement of air at all levels of the atmosphere over all parts of the planet. The driving force behind atmospheric circulation is solar energy, which heats the atmosphere with different intensities at the equator, the middle latitudes, and the poles.
Atmospheric circulation. Atmospheric circulation is the large-scale movement of air, and together with ocean circulation is the means by which thermal energy is redistributed on the surface of the Earth. The Earth's atmospheric circulation varies from year to year, but the large scale structure of its circulation remains fairly constant. The smaller scale weather systems â mid-latitude depressions, or tropical convective cells â occur randomly, and long range weather predictions of those cannot be made beyond ...