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ASTER response to Paluweh eruption
From: Michael Ramsey <mramsey@xxxxxxxx>ASTER response to Paluweh eruption
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The ASTER imaging sensor on the NASA Terra spacecraft has continued to
observe active volcanoes around the globe since its December 1999 launch.
Starting in late 2004, the urgent request protocol (URP) project began and
tied thermal detection by low spatial resolution satellites (e.g., AVHRR and
MODIS) to rapid response and imaging by ASTER. The URP program has been
primarily focused on the North Pacific region and has resulted in valuable
data of eruptions in Kamchatka and Alaska over the years. In the last year,
the URP program was expanded globally using the MODVOLC interface.
Fifteen volcanoes are currently being monitored with the ASTER URP - MODVOLC
program, including Paluweh volcano in Indonesia. Since June 2013 ASTER has
acquired four daytime and six nighttime images and the temperature of the
summit dome has been monitored using the ASTER thermal IR instrument.
Beginning in early June, the temperature of summit dramatically increased
from 6C to 80C above the average background in early July possibly
indicating new magma/lava in the conduit. Since that time, those
temperatures slowly decreased to ~33C above the average background on 4 Aug
2013, which could be due to lava cooling and sealing of the vent. Since the
10 August 2013 eruption, the vent temperatures have remained at
approximately this level.
VNIR and TIR images have been processed and are available here:
http://ivis.eps.pitt.edu/data/paluweh/paluweh-composite.tif
ASTER will continue to acquire images of Paluweh and any changes in
temperature will be reported.
Cheers,
Mike Ramsey
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Professor Michael Ramsey, Ph.D.
University of Pittsburgh
Department of Geology and Planetary Science
4107 O'Hara Street, room 200
Pittsburgh, PA 15260-3332
412-624-8772 (office); 412-624-3914 (fax); 412-624-8773 (lab)
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Professor Michael Ramsey, Ph.D.
University of Pittsburgh
Department of Geology and Planetary Science
4107 O'Hara Street, room 200
Pittsburgh, PA 15260-3332
412-624-8772 (office); 412-624-3914 (fax); 412-624-8773 (lab)
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