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Digital elevation model (DEM) and shaded relief image of Okmok Caldera, 2010

J. R. Schaefer, J. F. Larsen, J. A. Unema

Open publisher page 13 citations

Abstract

In response to significant morphologic changes in Okmok Caldera due to the phreatomagmatic eruption of Okmok volcano in 2009, a new digital elevation model was acquired to document and quantitatively assess the new volcanic features and altered hydrology within the caldera.This DEM dataset provides elevation data derived from a stereo pair of Worldview-1 satellite images acquired on January 21, 2010.In addition to the DEM, a shaded-relief image is also provided for easy visualization of the data.

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What this paper is about

In response to significant morphologic changes in Okmok Caldera due to the phreatomagmatic eruption of Okmok volcano in 2009, a new digital elevation model was acquired to document and quantitatively assess the new volcanic features and altered hydrology within the caldera.This DEM dataset provides elevation data derived from a stereo pair of Worldview-1 satellite images acquired on January 21, 2010.In addition to the DEM, a shaded-relief image is also provided for easy visualization of the data.

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Available abstract

In response to significant morphologic changes in Okmok Caldera due to the phreatomagmatic eruption of Okmok volcano in 2009, a new digital elevation model was acquired to document and quantitatively assess the new volcanic features and altered hydrology within the caldera.This DEM dataset provides elevation data derived from a stereo pair of Worldview-1 satellite images acquired on January 21, 2010.In addition to the DEM, a shaded-relief image is also provided for easy visualization of the data.

Key concepts: Digital elevation model, Caldera, Elevation (ballistics), Geology, Image (mathematics), Computer graphics (images), Computer science, Remote sensing

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