Porotomo: InSAR Data from San Emidio Geothermal Field, Nevada, 1992-2010


This submission contains tarred pair directories for interferometric synthetic aperture radar (InSAR) data covering San Emidio Geothermal Field in Nevada, USA as part of the porotomo project. Data included within this submission are the following:
> ENVI_T120_GDR.tgz: Tarred directory containing 39 Envisat track 120 tarred, pair subdirectories spanning from 2003-Oct-29 to 2010-Jun-09.
> ENVI_T27_GDR.tgz: Tarred directory containing 32 Envisat track 27 tarred, pair subdirectories spanning from 2004-Jun-23 to 2010-Apr-28.
> ERS_T27_GDR.tgz: Tarred directory containing 35 ERS track 27 tarred, pair subdirectories spanning from 1992-Jun-07 to 2000-Sep-27.
> ENVI_T27_SQR_drange_utm_cut.grd: SqueeSAR-derived data product for Enivsat track 27 from Eneva, et al. (2011) (provided by TRE Altamira) in terms of unwrapped range change rate.
> MSTvsSQR_GDR.tgz: Tarred directory containing Easting gradient files for each satellite and track corresponding to the MST data products and the SqueeSAR data products.
> sanem_dem_utm.grd: Digital elevation model (DEM) used in the creation of the interferograms.

Explanation of pair subdirectories (contained within ENVI_T120_GDR, ENVI_T27_GDR, ERS_T27_GDR):
Pairs are chosen based on a minimum spanning tree (MST) algorithm with image quality (as measured by the amount of phase noise within an interferometric pair) as the weighting criterion.
Pairs are formed using the InSAR processing software GMT5SAR (Sandwell et al., 2011).
Pair subdirectories are named by starting and ending epochs in YYYYMMDD_YYYYMMDD format.
Each tarred pair directory contains GRD files for wrapped phase data (radians) and wrapped phase data after application of a modified Goldstein filter that depends on coherence (Goldstein & Werner, 1997; Baran et al., 2003; Sandwell et al., 2011). The data are given in both latitude/longitude and Universal Transverse Mercator (Zone 11N).
Raw Synthetic Aperture Radar (SAR) data from the Envisat and ERS satellite missions operated by the European Space Agency (ESA) are copyrighted by ESA and were provided through the WInSAR consortium at the UNAVCO facility.

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Additional Info

DOE Project Name: PoroTomo: Poroelastic Tomography by Adjoint Inverse Modeling of Data from Seismology, Geodesy, and Hydrology
DOE Project Number: EE0006760
DOE Project Lead: Elisabet Metcalfe
DOI: 10.15121/1542654
Last Updated: over a year ago
Data from June, 2019
Submitted Jun 28, 2019


University of Wisconsin



Publicly accessible License 


Elena C. Reinisch
University Wisconsin-Madison
Kurt L. Feigl
University Wisconsin-Madison


geothermal, energy, San Emidio, interferometric synthetic aperture radar, InSAR, Envisat, ENVI, ERS, DEM, remote sensing, interferometric, synthetic aperture radar, pair, digital elevation model, satellite, deformation, porotomo, nterferometric synthetic aperture radar, interferograms, GMT5SAR, Goldstein filter, Universal Transverse Mercator, Raw Synthetic Aperture Radar, SAR, WInSAR, UNAVCO, European Space Agency, SqueeSAR, Easting gradient files


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