NDLI: Interpolation of geophysical data using spatio-temporal (3D) block singular value decomposition

Content Provider	IEEE Xplore Digital Library
Author	Turlapaty, A.C. Younan, N.H. Anantharaj, V.
Copyright Year	2010
Description	Author affiliation: Department of Electrical and Computer Engineering, Mississippi State University, MS 39762, USA (Turlapaty, A.C.; Younan, N.H.) \|\| Geosystems Research Institute, Mississippi State University, MS 39762, USA (Anantharaj, V.)
Abstract	Soil moisture data available from the Advanced Microwave Scanning Radiometer-Earth Observation System (AMSR-E) onboard the National Aeronautic and Space Administration's (NASA) AQUA satellite has many inherent gaps. For a region in the Southeast United States, data is collected for years 2005 and 2006. This dataset has nearly 30% missing data due to radio interference, instrument errors, just to mention a few. To address this issue, an improved singular spectral analysis (SSA) -based interpolation scheme is presented. Our approach improves the existing method by utilizing the local variations in the observations for approximation of missing values and thus significantly improving the computational efficiency of the algorithm. For the validation of our interpolation scheme, a subset of SST from GODAE's high resolution sea surface temperature pilot project (GHRSST-PP) is considered. Finally, the presented scheme is also validated and tested on satellite based soil moisture retrievals from AMSR-E. Optimization of the method is based on minimizing the mean square error (MSE) and it is found to be dependent on the nature of the data. The top thirteen dominant SSA modes are usually sufficient for interpolation of missing values.
Starting Page	4450
Ending Page	4453
File Size	401671
Page Count	4
File Format	PDF
ISBN	9781424495658
ISSN	21537003
e-ISBN	9781424495665
e-ISBN	9781424495641
DOI	10.1109/IGARSS.2010.5652343
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interpolation Soil moisture Time series analysis Ocean temperature Filling Satellites Image reconstruction
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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