Dataset Overview | National Centers for Environmental Information (NCEI)

European remote sensing/Environmental Satellite (ERS/Envisat) Interferometric synthetic aperture radar (InSAR) line-of-sight deformation from 1992-06-17 to 2010-09-25 (NCEI Accession 0173735)

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This dataset contains co-registered interferograms formed from the images of the European Remote Sensing (ERS) and Environmental Satellite (Envisat) from June 17, 1992 to September 25, 2010. Each interferogram measures surface displacement in the radar line-of-sight direction between two dates. The interferograms are uncorrected (i.e., no corrections for atmospheric effects or orbital errors have been applied). This data is applied in a study to investigate complex ground deformation in Los Angeles groundwater basins due to groundwater withdrawal.

Dataset Citation

Cite as: Riel, Bryan; Simons, Mark; Ponti, Daniel; Agram, Piyush Agram; Jolivet, Romain (2019). European remote sensing/Environmental Satellite (ERS/Envisat) Interferometric synthetic aperture radar (InSAR) line-of-sight deformation from 1992-06-17 to 2010-09-25 (NCEI Accession 0173735). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0173735. Accessed [date].

Dataset Identifiers

ISO 19115-2 Metadata

gov.noaa.nodc:0173735

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Download Data	HTTPS (download) Navigate directly to the URL for data access and direct download. FTP (download) These data are available through the File Transfer Protocol (FTP). FTP is no longer supported by most internet browsers. You may copy and paste the FTP link to the data into an FTP client (e.g., FileZilla or WinSCP).
Distribution Formats	Originator data format
Ordering Instructions	Contact NCEI for other distribution options and instructions.
Distributor	NOAA National Centers for Environmental Information +1-301-713-3277 ncei.info@noaa.gov
Dataset Point of Contact	NOAA National Centers for Environmental Information ncei.info@noaa.gov

Time Period	1992-06-17 to 2010-09-25
Spatial Bounding Box Coordinates	West: -118.52185 East: -117.20329 South: 33.287876 North: 34.398215
Spatial Coverage Map

General Documentation

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Descriptive Information
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Publication Dates	publication: 2019-05-08
Data Presentation Form	Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status	Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility
Data Update Frequency	As needed
Purpose	These data were collected to support the study of Riel, et al. (2018). "Quantifying Ground Deformation in the Los Angeles and Santa Ana Coastal Basins due to Groundwater Withdrawal", accepted for publication in Water Resources Research. This study investigated complex ground deformation in Los Angeles groundwater basins due to groundwater withdrawal and compared deformation to time series of hydraulic head in aquifers.
Use Limitations	accessLevel: Public Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.

Dataset Citation	Cite as: Riel, Bryan; Simons, Mark; Ponti, Daniel; Agram, Piyush Agram; Jolivet, Romain (2019). European remote sensing/Environmental Satellite (ERS/Envisat) Interferometric synthetic aperture radar (InSAR) line-of-sight deformation from 1992-06-17 to 2010-09-25 (NCEI Accession 0173735). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0173735. Accessed [date].
Cited Authors	Riel, Bryan US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center (JPL PO.DAAC) Simons, Mark Ponti, Daniel Agram, Piyush Agram Jolivet, Romain
Principal Investigators	Bryan Riel US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center (PO.DAAC)
Contributors	US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center (PO.DAAC)
Resource Providers	Bryan Riel US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center (PO.DAAC) US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center (PO.DAAC)
Publishers	NOAA National Centers for Environmental Information

Theme keywords	NODC DATA TYPES THESAURUS WAVE DATA - DISPLACEMENT NODC OBSERVATION TYPES THESAURUS satellite data WMO_CategoryCode oceanography Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > OCEANS > OCEAN WAVES Provider Keywords InSAR line-of-sight deformation in radar coordinates
Data Center keywords	NODC COLLECTING INSTITUTION NAMES THESAURUS US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center NODC SUBMITTING INSTITUTION NAMES THESAURUS US NASA; Jet Propulsion Laboratory; Physical Oceanography Distributed Active Archive Center Global Change Master Directory (GCMD) Data Center Keywords NASA/JPL/PODAAC > Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA
Platform keywords	NODC PLATFORM NAMES THESAURUS Envisat ERS-1 ERS-2 Global Change Master Directory (GCMD) Platform Keywords ENVISAT > Environmental Satellite ERS-1 > European Remote Sensing Satellite-1 ERS-2 > European Remote Sensing Satellite-2 ICES/SeaDataNet Ship Codes ERS-1 (ICES code: 3544, 1991-2000) ERS-2 (ICES code: 358N, 1995-2011) Envisat (ICES code: 33JQ, 2002-2012)
Instrument keywords	NODC INSTRUMENT TYPES THESAURUS SAR Global Change Master Directory (GCMD) Instrument Keywords SAR > Synthetic Aperture Radar
Place keywords	NODC SEA AREA NAMES THESAURUS North Pacific Ocean Global Change Master Directory (GCMD) Location Keywords OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN
Keywords	NCEI ACCESSION NUMBER 0173735
Keywords	Send2NCEI Submission Package ID 3R8JG2

Use Constraints	Cite as: Riel, Bryan; Simons, Mark; Ponti, Daniel; Agram, Piyush Agram; Jolivet, Romain (2019). European remote sensing/Environmental Satellite (ERS/Envisat) Interferometric synthetic aperture radar (InSAR) line-of-sight deformation from 1992-06-17 to 2010-09-25 (NCEI Accession 0173735). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0173735. Accessed [date].
Access Constraints	Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
Fees	In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.

Lineage information for: dataset
Processing Steps	2019-05-08T18:32:22Z - NCEI Accession 0173735 v1.1 was published.
Output Datasets	NCEI Accession 0173735 v1.1 NCEI Accession 0173735 v1.1 (download) published 2019-05-08T18:32:22Z

Lineage information for: dataset
Processing Steps	Parameter or Variable: InSAR line-of-sight deformation in radar coordinates (measured); Units: mm; Observation Category: satellite; Sampling Instrument: InSAR

Acquisition Information (collection)
Instrument	SAR
Platform	Envisat ERS-1 ERS-2

Last Modified: 2025-04-03T21:53:56Z
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European remote sensing/Environmental Satellite (ERS/Envisat) Interferometric synthetic aperture radar (InSAR) line-of-sight deformation from 1992-06-17 to 2010-09-25 (NCEI Accession 0173735)

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