قارن الطرق

	رياح جيواستروفيك	معادلة أوميغا شبه الجيوستروفية
المجال	علم الأرصاد الجوية	علم الأرصاد الجوية
العائلة	Process / pipeline	Process / pipeline
سنة النشأة	1857	1970s
صاحب الطريقة	Buys Ballot, Coriolis	Trenberth, Omaga
النوع	Wind balance principle	Diagnostic equation for vertical motion
المصدر التأسيسي	Holton, J. R. (2004). An Introduction to Dynamic Meteorology (4th ed.). Academic Press.	Holton, J. R. (2004). An Introduction to Dynamic Meteorology (4th ed.). Academic Press.
الأسماء البديلة	Geostrophic wind, Geostrophic balance, Geostrophic approximation	QG omega equation, Quasi-geostrophic dynamics, Vertical motion prediction
ذات صلة	3	3
الملخص	Geostrophic wind balance is a fundamental concept in meteorology that describes the balance between the pressure gradient force and the Coriolis force in large-scale atmospheric flow. When this balance is achieved, wind blows parallel to isobars without acceleration—a condition observed in the free atmosphere away from the equator and surface boundary layer.	The quasi-geostrophic (QG) omega equation is a fundamental diagnostic equation in synoptic meteorology that relates vertical motion (omega = dP/dt) to horizontal temperature and vorticity fields. It predicts where air rises and sinks based on the geostrophic flow structure without explicitly solving for vertical velocity.