NDLI: Mapping the spatial distribution and time evolution of snow water equivalent with passive microwave measurements

Content Provider	IEEE Xplore Digital Library
Author	Jianjun Guo Leung Tsang Josberger, E. Jenq-Neng Hwang
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Washington, Seattle, WA, USA (Jianjun Guo; Leung Tsang)
Abstract	This paper presents an algorithm that estimates the spatial distribution as well as temporal evolution of snow water equivalent and snow depth based on passive remote sensing measurements. It combines the inversion of passive microwave remote sensing measurements with snow accumulation and melt model predictions to yield improved estimates of snow depth and snow water equivalent, at a pixel resolution of 10 km. In the inversion, snow grain size evolution is constrained based on pattern matching by using the local snow temperature history. This algorithm is applied to produce spatial snow map of Upper Rio Grande basin in Colorado. The simulation result of this algorithm is compared with that of snow hydrology model and linear regression method. The comparison with the ground truth measurements from 4 SNOwpack TELemetry (SNOTEL) sites in the basin shows that this algorithm is able to improve the estimates of snow depth and snow water equivalent.
Sponsorship	IEEE IEEE Geosci. & Remote Sensing Soc. Canadian Remote Sensing Soc. Univ. Waterloo Natural Resources Canada (NRCan) Canadian Space Agency (CSA) Environ. Canada NASA Nat. Oceanic & Atmos. Adm. (NOAA) Office of Naval Res.(ONR) Nat. Space Dev. Agency of Japan (NASDA) Nat. Polar-orbiting Environ. Satellite Syst. (NPOESS)
Starting Page	454
Ending Page	456
File Size	304079
Page Count	3
File Format	PDF
ISBN	078037536X
DOI	10.1109/IGARSS.2002.1025071
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Snow Microwave measurements Time measurement Passive microwave remote sensing Predictive models Yield estimation Spatial resolution Grain size Pattern matching Land surface temperature
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
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