NDLI: Evaluation of the potential of Hyperion data to estimate wildfire hazard in the Santa Ynez front range, Santa Barbara, California

Content Provider	IEEE Xplore Digital Library
Author	Ustin, S.L. Roberts, D.A. Gardner, M. Dennison, P.
Copyright Year	2002
Description	Author affiliation: Dept. of Land Air & Water Resources, California Univ., Davis, CA, USA (Ustin, S.L.)
Abstract	Wildfire hazard is a worldwide problem with enormous environmental, economic, and social costs. Better methods are needed to assess risk to more effectively manage natural resources. Current models need spatially explicit, timely, information about surface conditions. Meeting this need requires development of remotely sensed model inputs. Critical remotely sensed parameters needed for wildfire hazard assessment include surface reflectance, canopy water content, species composition and fuel state. Semiarid shrublands have been difficult to assess and monitor using multispectral satellite data because their spectral bands and wavelength locations are not sensitive to these input parameters, however, such inputs have been demonstrated using AVIRIS data. We compare near simultaneous acquisition of Hyperion (12/06/01) and AVIRIS (14/06/01) data for retrieval of surface reflectance. For both instruments, field spectra were acquired to support reflectance retrieval. Hyperion and AVIRIS spectra are similar in shape and albedo but SNR is 5 times higher in AVIRIS. Fuel condition was assessed using the endmember fractions from spectral mixture analysis, with Hyperion and AVIRIS providing similar fractions. Canopy water content was compared using the 1200 nm liquid water band and two water indices, the Water Index and the Normalized Difference Water Index (NDWI). Results show poor Hyperion performance relative to AVIRIS.
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	796
Ending Page	798
File Size	1202889
Page Count	3
File Format	PDF
ISBN	078037536X
DOI	10.1109/IGARSS.2002.1025689
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	Hazards Reflectivity Environmental economics Fuel economy Costs Resource management Risk management Water resources Condition monitoring Remote monitoring
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
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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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