The Shuttle Radar Topography Mission

Farr, Tom G.; Rosen, P. A.; Caro, Edward; Crippen, Robert E.; Duren, Riley; Hensley, S.; Kobrick, M.; Paller, Mimi; Rodríguez, Ernesto; Roth, L. E.; Seal, David; Shaffer, S.; Shimada, J.; Umland, Jeffrey W.; Werner, Marian; Oskin, M. E.; Burbank, Douglas W.; Alsdorf, Douglas

doi:10.1029/2005rg000183

Cited by 6,129 publications

(4,266 citation statements)

References 75 publications

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“…and beach balls show the mechanisms of major aftershocks determined by Irmak et al (2012). Background is DEM derived from the Shuttle Radar Topography Mission digital elevation model (Farr et al, 2007). …”

Section: Resultsmentioning

confidence: 99%

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Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

Feng

Hoey

et al. 2014

Tectonophysics

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In this paper, we present several COSMO-SkyMED (CSK), Envisat ASAR and RADARSAT-2 interferograms spanning different time intervals, showing that significant postseismic signals can be observed in the first three days after the mainshock. Using observations that combine coseismic and postseismic signals is shown to significantly underestimate coseismic slip. We hence employed the CSK pair with the minimum postseismic signals to generate one conventional interferogram and one along-track interferogram for further coseismic modelling. Our best-fit coseismic slip model suggests that: (1) this event is associated with a buried NNW dipping fault with a preferable dip angle of 49º and a maximum slip of 6.5 m at a depth of 12 km; and (2) two unequal asperities can be observed, consistent with previous seismic solutions. Significant oblique aseismic slip with predominant left-lateral slip components above the coseismic rupture zone within the first 3 days after the mainshock is also revealed by a postseismic CSK interferogram, indicating that the greatest principal stress axis might have rotated due to a significant stress 1 drop during the coseismic rupture.

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Section: Resultsmentioning

confidence: 99%

“…The topographic phase contribution was removed using a version of the Shuttle Radar Topography Mission (SRTM) 3 arc-second (~90 m) digital elevation model (DEM) (Farr et al, 2007) that has the voids filled from other data sources (Jarvis et al, 2008).…”

Section: Coseismic Interferogramsmentioning

confidence: 99%

Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

Feng

Hoey

et al. 2014

Tectonophysics

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“…south-facing slopes) can result in large variations in snow line elevation across the surface of a glacier or icefield on any given day. To generate estimates of ELA est from MOD02QKM imagery, we resample digital elevation models (DEMs) from the Global Multi-resolution Terrain Elevation Data (GMTED) and the Shuttle Radar Topography Mission (SRTM) digital elevation datasets (Gesch et al, 2002;Farr et al, 2007) to 250 m resolution. For each classified scene and region, we then calculate the mean, range, and quantiles of elevation for the snow and ice classes, and construct time series of each metric (e.g.…”

Section: Estimation Of Regional Elamentioning

confidence: 99%

An approach to derive regional snow lines and glacier mass change from MODIS imagery, western North America

et al. 2013

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Abstract. We describe a method to calculate regional snow line elevations and annual equilibrium line altitudes (ELAs) from daily MODIS imagery (MOD02QKM) on large glaciers and icefields in western North America. An automated cluster analysis of the cloud-masked visible and near-infrared bands at 250 m resolution is used to delineate glacier facies (snow and ice) for ten glacierized regions between 2000-2011. For each region and season, the maximum observed value of the 20th percentile of snowcovered pixels (Z S(20) ) is used to define a regional ELA proxy (ELA est ). Our results indicate significant increases in the regional ELA proxy at two continental sites (Peyto Glacier and Gulkana Glacier) over the period of observation, though no statistically significant trends are identified at other sites. To evaluate the utility of regional ELA proxies derived from MOD02QKM imagery, we compare standard geodetic estimates of glacier mass change with estimates derived from historical mass balance gradients and observations of Z S(20) at three large icefields. Our approach yields estimates of mass change that more negative than traditional geodetic approaches, though MODIS-derived estimates are within the margins of error at all three sites. Both estimates of glacier mass change corroborate the continued mass loss of glaciers in western North America. Between 2000 and 2009, the geodetic change approach yields mean annual rates of surface elevation change for the Columbia, Lillooet, and Sittakanay icefields of −0.29 ± 0.05, −0.26 ± 0.05, and −0.63 ± 0.17 m a −1 , respectively. This study provides a new technique for glacier facies detection at daily timescales, and contributes to the development of regional estimates of glacier mass change, both of which are critical for studies of glacier contributions to streamflow and global sea level rise.

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“…First, images were obtained using aerial photography from the same CARTA mission acquired using a Leica RC-30 mapping camera (Leica Geosystems, St. Gallen, Switzerland) and an infrared digital camera system (Cirrus Digital Systems, Belvedere Tiburon, CA) or using multispectral advanced spaceborne thermal emission and reflection radiometer (ASTER), TERRA Satellite, JPL-NASA satellite images. Topography data used were either from the airborne synthetic aperture radar (AIRSAR) 2004 Mesoamerica mission (JPL-NASA) mission and SRTM (Shuttle Radar Topographic Mapping Mission) data [16] as well as digitalized 1:40,000 toposheet (Instituto Geográ-fico Nacional, Ministerio de Obras Publicas y Transportes, Costa Rica). Each image was geo-referenced based on known ground truth control points providing a twodimensional (2D) view of the mapping area.…”

Section: Resultsmentioning

confidence: 99%

Three-dimensional concentration mapping of gases using a portable mass spectrometer system

Griffin

Diaz

Arkin

et al. 2008

J. Am. Soc. Mass Spectrom.

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The visualization of hazardous gaseous emissions at volcanoes using in-situ mass spectrometry (MS) is a key step towards a better comprehension of the geophysical phenomena surrounding eruptive activity. In-situ data consisting of helium, carbon dioxide, sulfur dioxide, and other gas species, were acquired with a quadrupole based MS system. Global position systems (GPS) and MS data were plotted on ground imagery, topography, and remote sensing data collected by a host of instruments during the second Costa Rica Airborne Research and Technology Applications (CARTA) mission. This combination of gas and imaging data allowed three-dimensional (3D) visualization of the volcanic plume and the mapping of gas concentration at several volcanic structures and urban areas. This combined set of data has demonstrated a better tool to assess hazardous conditions by visualizing and modeling of possible scenarios of volcanic activity. The MS system is used for in-situ measurement of 3D gas concentrations at different volcanic locations with three different transportation platforms: aircraft, auto, and hand-carried. The demonstration for urban contamination mapping is also presented as another possible use for the MS system. (J Am

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The Shuttle Radar Topography Mission

Cited by 6,129 publications

References 75 publications

Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

Patterns and mechanisms of coseismic and postseismic slips of the 2011 M W 7.1 Van (Turkey) earthquake revealed by multi-platform synthetic aperture radar interferometry

An approach to derive regional snow lines and glacier mass change from MODIS imagery, western North America

Three-dimensional concentration mapping of gases using a portable mass spectrometer system

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