COSPEC traverse path - Kilauea Summit
Figure 2. Aerial view showing the summit COSPEC traverse path at Kilauea
Caldera. The most notable sources of SO2 in the summit region are fumaroles in and
near Halema`uma`u Crater, and solfataras within the caldera. During prevailing trade-wind
conditions, the plume is blown across Crater Rim Drive and thus can be measured by driving
underneath with a vehicle-mounted COSPEC (Map adapted from Hazlett, 1993).
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12 Apr 1999