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Using JCMT Gould Belt Survey data from CO J=3-2 isotopologues, we present ameta-analysis of the outflows and energetics of star-forming regions in severalGould Belt clouds. The majority of the regions are strongly gravitationallybound. There is evidence that molecular outflows transport large quantities ofmomentum and energy. Outflow energies are at least 20 per cent of the totalturbulent kinetic energies in all of the regions studied and greater than theturbulent energy in half of the regions. However, we find no evidence thatoutflows increase levels of turbulence, and there is no correlation between theoutflow and turbulent energies. Even though outflows in some regions contributesignificantly to maintaining turbulence levels against dissipation, this relieson outflows efficiently coupling to bulk motions. Other mechanisms (e.g.supernovae) must be the main drivers of turbulence in most if not all of theseregions.

The JCMT Gould Belt Survey: Understanding the influence of molecular outflows on Gould Belt clouds