This Edition's Articles:
A rare explosive rhyolite eruption occurred on 2 May 2008 at Chaitén Volcano in Chile, a type of eruption that had not been seen since the 1912 eruption of Novarupta in Alaska. Chaitén had not erupted for thousands of years before the 2008 eruption and it was not monitored prior to the eruption.
Integrating ALOS PALSAR into the Forest Service Vegetation Classification and Mapping Process
Passive optical, remotely-sensed imagery has a long and successful history as a key data layer for the USDA Forest Service vegetation image classification and mapping process. With the capability to penetrate cloud and fog, active SAR is not bound by the same physical and temporal restrictions as passive optical sensors.