Inversion of a soil bidirectional reflectance model for use with vegetation reflectance models

Privette, Jeffrey L.; Myneni, Ranga B.; Emery, William J.; Pinty, B.

doi:10.1029/95jd00851

Cited by 30 publications

(16 citation statements)

References 30 publications

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“…This partially comes from terrestrial limb and directionality of the vegetation reflectance effects. The latter are complicated (Privette et al 1995;Hapke et al 1996), due for instance to mutual shadow effects between trees.…”

Section: Discussionmentioning

confidence: 99%

A test for the search for life on extrasolar planets

Arnold

Gillet²,

Lardière³

et al. 2002

A&A

152

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Abstract. We report spectroscopic observations (400−800 nm, R ≈ 100) of Earthshine in June, July and October 2001 from which normalized Earth albedo spectra have been derived. The resulting spectra clearly show the blue colour of the Earth due to Rayleigh diffusion in its atmosphere. They also show the signatures of oxygen, ozone and water vapour. We tried to extract from these spectra the signature of Earth vegetation. A variable signal (4 to 10 ± 3%) around 700 nm has been measured in the Earth albedo. It is interpreted as being due to the vegetation red edge, expected to be between 2 to 10% of the Earth albedo at 700 nm, depending on models. We discuss the primary goal of the present observations: their application to the detection of vegetation-like biosignatures on extrasolar planets.

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Section: Discussionmentioning

confidence: 99%

A test for the search for life on extrasolar planets

Arnold

Gillet²,

Lardière³

et al. 2002

A&A

152

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“…Surface anisotropy can provide an additional source of information and a better understanding of the geophysical characterization of land surfaces. Anisotropic reflectance has been observed over various bare soil surfaces (Deering et al, 1990;Privette et al, 1995). The anisotropy may be rather complicated for desert areas due to the rising and falling sand ripples at the sub-pixel scales.…”

Section: Introductionmentioning

confidence: 98%

Retrieving photometric properties of desert surfaces in China using the Hapke model and MISR data

Gong

Liu

et al. 2009

Remote Sensing of Environment

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“…Compared to vegetation canopy, soil radiative transfer has been poorly investigated. The Hapke model (Hapke 1981(Hapke , 1993) that was originally developed for re¯ectance of planetary surfaces has recently been used for soil inversion experiments (Pinty et al 1989, Jacquemoud et al 1992, Privette et al 1995. Since the Hapke model assumes isotropic multiple scattering that is probably suitable for planetary surfaces, it is not very accurate for soils, since soils usually have much higher single-scattering albedo and larger asymmetry parameter (Mishchenko 1994, Liang andTownshend 1996a,b).…”

Section: Introductionmentioning

confidence: 99%

An investigation of remotely-sensed soil depth in the optical region

Liang¹

1997

International Journal of Remote Sensing

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Abstract. The remotely-sensed soil depth in the visible and near-infrared (near-IR) spectral region is investigated by using a numerical radiative transfer model of the coupled atmosphere and soil media. The sensible depth is determined by examining the downward hemispheric transmittance pro® le, hemispherical re¯ectance, and bidirectional re¯ectance with di V erent solar zenith angles at di V erent wavelengths. The particle size distributions and particle shapes are also evaluated. Under an ordinary condition, the sensible optical depth is about 3, which corresponds to geometric depth of 4± 5 times the particle e V ective radius.

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Inversion of a soil bidirectional reflectance model for use with vegetation reflectance models

Cited by 30 publications

References 30 publications

A test for the search for life on extrasolar planets

A test for the search for life on extrasolar planets

Retrieving photometric properties of desert surfaces in China using the Hapke model and MISR data

An investigation of remotely-sensed soil depth in the optical region

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