NDLI: Merging Infrared and Microwave SST Data at South China Sea

Content Provider	IEEE Xplore Digital Library
Author	Ng, H.G. MatJafri, M.Z. Abdullah, K. Othman, N.
Copyright Year	2009
Abstract	The sea surface temperature (SST) data availability by infrared measurement was low compared to microwave measurement. The infrared radiation cannot penetrate the cloud, so their availabilities are severely limited by clouds. The microwave can penetrate the clouds and give accurate SST measurements under clouds. The TRMM Microwave Imager (TMI) derived SST data has an RMS error of 0.6-0.7 K. TMI is a microwave radiometer onboard the Tropical Rainfall Measurement Mission (TRMM) Satellite. The infrared derived SST data has low data availability but has higher spatial resolution compared to microwave derived data. The spatial resolution of infrared radiometer, Moderate-resolution Imaging Spectroradiometer (MODIS) is about 1km, but the spatial resolution of TMI is 25km. The objective of our study is to increase the spatial resolution of microwave derived SST data and increase the availability of infrared derived SST data. In this study, we used MODIS SST data with grid size of about 0.01¿ and TMI SST data with grid size of 0.25¿. We re-sampled these data into the new map with grid size of 0.1¿. We find the new merged SST data from the MODIS SST and TMI SST. If any of the MODIS or TMI SST data is available, then the merged SST was assigned the value of the existing data. If both of the SST data are available, then the new merged SST was given the value of the average of these data. Otherwise, the new SST data was determined by interpolation method. We used the neighbourhood pixels for interpolation. All of the processing steps were programmed in MATLAB code. . However we checked our results by comparing the SST data availability of TMI and MODIS images before processing and data availability of new image after processing.
Starting Page	530
Ending Page	535
File Size	852747
Page Count	6
File Format	PDF
ISBN	9780769537894
DOI	10.1109/CGIV.2009.21
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sea surface merging Clouds Merging Sea measurements infrared MODIS Microwave measurements Ocean temperature Interpolation SST Microwave radiometry Spatial resolution microwave
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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