NDLI: Scale effects and scaling-up by geometric-optical model

Content Provider	IEEE Xplore Digital Library
Author	Xiaowen Li Jindi Wang Strahler, A.H.
Copyright Year	1999
Description	Author affiliation: Coll. of Resource & Environ., Beijing Normal Univ., China (Xiaowen Li)
Abstract	Many physical laws, principles, measurements, etc., are applicable only to either a point or a homogeneous surface. However, remote sensing is dealing with pixels which ranging from meters to kilometers. Therefore scale effects of these laws and measurements are inevitable science problems to be faced. It is convenient but dangerous to assume those great physics laws and principles are automatically applicable to heterogeneous land surface at the scale of pixel size. As examples, the authors briefly explain the scale effects of BRDF, albedo measurements, and of Beer's law and the principle, of reciprocity. The authors concentrate on the spatial scale effect of Planck law and its scaling-up by a geometric-optical model. When the land surface at the scale of AVHRR or MODIS can not be regarded as isothermal, they have to scale the law up for thermal infrared remote sensing of the land surface.
Starting Page	1875
Ending Page	1877
File Size	377519
Page Count	3
File Format	PDF
ISBN	0780352076
DOI	10.1109/IGARSS.1999.772124
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-28
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid modeling Remote sensing Optical surface waves Land surface Brightness Optical sensors Lighting Reflectivity Geometry Educational institutions
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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