M
Margaret E. Gardner
Researcher at University of California, Santa Barbara
Publications - 14
Citations - 2641
Margaret E. Gardner is an academic researcher from University of California, Santa Barbara. The author has contributed to research in topics: Imaging spectrometer & Chaparral. The author has an hindex of 10, co-authored 14 publications receiving 2476 citations.
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Journal ArticleDOI
Mapping Chaparral in the Santa Monica Mountains Using Multiple Endmember Spectral Mixture Models
Dar A. Roberts,Margaret E. Gardner,Richard L. Church,Susan L. Ustin,G. Scheer,Robert O. Green,Robert O. Green +6 more
TL;DR: In this article, a study was initiated in the Santa Monica Mountains to investigate the use of the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) for providing improved maps of chaparral coupled with direct estimates of canopy attributes (eg. biomass, leaf area, fuel load).
Journal ArticleDOI
Spectrometry for urban area remote sensing—Development and analysis of a spectral library from 350 to 2400 nm
TL;DR: In this paper, the authors investigate the spectral complexity and unique spectral characteristics of urban environments using a comprehensive regional field spectral library of more than 4500 individual spectra, and their separability is systematically analyzed using the Bhattacharyya distance (B-distance) as a quantitative measure of spectral discrimination.
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Spectral resolution requirements for mapping urban areas
TL;DR: Significant limitations for current multispectral sensors were identified, where the location and broadband character of the spectral bands only marginally resolved the complex spectral characteristics of the urban environment, especially for built surface types.
Journal ArticleDOI
Estimating canopy water content of chaparral shrubs using optical methods.
Susan L. Ustin,Dar A. Roberts,Jorge E. Pinzon,Stéphane Jacquemoud,Margaret E. Gardner,G. Scheer,Claudia M. Castaneda,Alicia Palacios-Orueta +7 more
TL;DR: In this article, the potential of three quasiphysical methods for estimating water content using remotely sensed Airborne Visible Infrared Imaging Spectrometer (AVIRIS) data of chaparral systems in the Santa Monica Mountains, California.
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Evaluation of the potential of Hyperion for fire danger assessment by comparison to the Airborne Visible/Infrared Imaging Spectrometer
TL;DR: In this article, the authors compare Hyperion and AVIRIS to evaluate spaceborne monitoring potential of fire danger in Southern California chaparral, and show that Hyperion is capable of retrieving canopy water at 1200 nm, but demonstrates poor performance at 980 nm.