2 edition of Atlas of reflectance patterns for uniform earth and cloud surfaces (NIMBUS-7 ERB--61 Days) found in the catalog.
Atlas of reflectance patterns for uniform earth and cloud surfaces (NIMBUS-7 ERB--61 Days)
V. R Taylor
by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service in Washington, D.C
Written in English
|Statement||V.R. Taylor and L.L. Stowe|
|Series||NOAA technical report NESDIS -- 10|
|Contributions||Stowe, L. L, United States. National Environmental Satellite, Data, and Information Service|
|The Physical Object|
|Pagination||iii, 66, 21, 1 p. :|
|Number of Pages||66|
B Collection and Delineation of Spatial Data Bit patterns are read from right to left (that is, bit 0 = least significant bit, and bit 15 = most significant bit). Bits can be extracted using the command named Surface reflectance-based cloud mask 0 clear 1 cloudy 9 Cloud shadow mask 0 cloud shadow absentCited by: 2. Reflectance and Texture of Real-World Surfaces KRISTIN J. DANA Columbia University BRAM VAN GINNEKEN Utrecht University SHREE K. NAYAR Columbia University JAN J. KOENDERINK Utrecht University In this work, we investigate the visual appearance of real-world surfaces and the dependence of appearance on the geometry of imaging conditions.
The Spectral Reflectance of Natural Surfaces. by the earth’s surface is then partitioned into sensible, latent, and ground heat fluxes. cloud cover, and calculations of daily albedo. GeoTIFF: This is a 5-layer, bit ortho-rectified GeoTIFF file. A GIS application is needed to open this type of file. The pixel values are proportional to % reflectance, with a pixel value of being equal to % reflectance ( is equal to % reflectance). In order to extract the reflectance values you will need to divide by
Albedo (/ æ l ˈ b iː d oʊ /) (Latin: albedo, meaning 'whiteness') is the measure of the diffuse reflection of solar radiation out of the total solar radiation and measured on a scale from 0, corresponding to a black body that absorbs all incident radiation, to 1, corresponding to a body that reflects all incident radiation.. Surface albedo is defined as the ratio of radiosity to the. Apparent reflectance is a ratio and its native output range is For display purposes, in this function, the ratio is multiplied by , and the output is therefore stretched from to When using default 8-bit unsigned integer output data type, the value is rounded down to integers.
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Atlas of reflectance patterns for uniform earth and cloud surfaces (NIMBUS-7 ERB Days). Washington, D.C.: U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service,  (OCoLC) Material Type.
Reflectance characteristics of uniform earth and cloud surfaces derived from Nimbus-7 ERB: Authors: Taylor, V on the reflectance characteristics of terrestrial surfaces is investigated in data obtained with the Nimbus-7 earth-radiation-budget (ERB) instrument on 61 days during and a change from limb darkening to limb.
For creating simple cloud-free Landsat composites, Earth Engine provides the Composite () method. This method selects a subset of scenes at each location, converts to TOA reflectance, applies the simple cloud score and takes the median of the least cloudy pixels.
This example creates a simple composite using. Approximating Landsat Surface Reflectance Previous White Papers have described the concept of Top of Atmosphere (TOA) Reflectance.
TOA reflectance is a unitless number that can be computed from satellite spectral radiance, the earth-sun distance in astronomical units, the mean solar exoatmospheric irradiance and the solar zenith Size: 86KB.
Atlas of Reflectance Patterns for Uniform Earth and Cloud Surfaces (Nimbus-7 ERB days) (NOAA Tech. Rep. NESDIS No. 10). National Oceanic and Atmospheric Administration, Silver Spring, MD. Reflectance of the surface of a material is its effectiveness in reflecting radiant is the fraction of incident electromagnetic power that is reflected at an interface.
The reflectance spectrum or spectral reflectance curve is the plot of the reflectance as a function of wavelength. Anisotropic reflectance characteristics of natural Earth surfaces. Brennan B, Bandeen WR. The patterns of reflection of solar radiation from cloud, water, and land surfaces were measured with an aircraft-borne medium resolution radiometer.
Reflectances in the micro and micro portions of the electromagnetic spectrum were Cited by: Different surfaces have different albedos. Oceans, lakes, and forests reﬂect relatively small fractions of scattering patterns also arise for surface elements that are spatially uniform, such as the leaf of a plant, but each element, through its orientation with respect to Cited by: The climatology product consists of global maps of the Earth’s surface LER value at 23 wavelengths in the range — nm at a spatial resolution of by degrees.
The LER is given for each calendar month, and a yearly optimum value is also provided. Reflection properties of snow surfaces. Authors; Authors and affiliations and F. Nishio, Effects of snow physical parameters on spectral albedos, and bidirectional reflectance of snow surface, J Atlas of reflectance patterns for uniform earth and cloud surfaces (NIMBUS-7 ERB days), NOAA Tech.
Rep. NES Natl. Oceanic and Author: Teruo Aoki. i Coarse-Scale Fine-Scale I V ew / Illumination View lluminalion Figure 1. Taxonomy of surface appearance. When viewing and illumination directions are fixed, sur- face appearance can be described by either reflectance (at coarse-scale observation) or texture (at fine-scale observation).
When viewing and illumination direc- tions vary, the equivalent descriptions are the bidirec. Spectral response patterns are sometimes called spectral signatures. This term is misleading, however, because the reflectance of an entity varies with its condition, the time of year, and even the time of day.
Instead of thin lines, the spectral responses of water, soil, grass, and trees might better be depicted as wide swaths to account for. Attenuated Total Reflectance Spectroscopy of Polymers: Theory and Practice (Polymer Surfaces and Interfaces Series) [Urban, Marek W.] on *FREE* shipping on qualifying offers.
Attenuated Total Reflectance Spectroscopy of Polymers: Theory and Author: Marek W. Urban. Landsat 8: Greater than 1 Reflectance Values When the DN values were converted to the TOA reflectance values, there were pixels with reflectivity greater than 1.
Unlike negative reflectivity, objects that have reflectivity greater than 1 are not unnatural. Circumstances that would lead to the observance of reflectivity greater than 1 are: 1.
This page links to the extensive data files of the surface reflectance factors described in Mobley () and Mobley ().The first paper discusses the problems inherent in estimating the remote-sensing reflectance from measurements of the sky and ocean radiance made from just above the sea surface.
That paper used Cox-Munk sea surfaces and unpolarized ray tracing to compute factors, which. 1 1 Preliminary analysis of the performance of the Landsat 8/OLI land surface 2 reflectance product 3 4 Eric Vermote1, Chris Justice2, Martin Claverie2,1, Belen Franch2,1 5 6 1NASA/GSFC CodeGreenbelt, MD, USA 7 2University of Maryland, Dept.
of Geographical Sciences, College Park, MD, USA 8 9 Abstract 10 11 The surface reflectance, i.e., satellite derived top of atmosphere (TOA) reflectanceFile Size: 1MB. library must be representative of the material in the field and may include laboratory and/or in situ spectra of materials in the field.
Spectral Analysis for Earth Science: Investigations Using Remote Sensing Doto Quantification of the Amount of Material For many investigations, identification of materials present in a scene and the quan. evenly and covered by a uniform surface layer. This shading provides important information about the object's shape and has been exploited in machine vi-sion A convenient representation for the relevant infor-mation is the "reflectance map".4'6 The reflectance map.
In this beta release, Surface Reflectance data is available globally from October 1,and in select agricultural regions of North America from Planet knows that having more satellites than anyone else is only half the battle, and that collecting and making the data from those satellites available and useful to customers is the most.
values of surface reflectance and albedo for selected surfaces are compared to published data for comparable surfaces and ground based measurements acquired during two field seasons over an alpine tundra site in the Colorado Front Range.
The quality of an albedo map produced following the proposed pro- cedure is then Size: 2MB. Scattering from metallic and dielectric rough surfaces is discussed by Saillard and Maystre , using the integral theory of metallic and dielectric gratings.
Wolff  has reported diffuse-reflectance model for smooth dielectric surfaces. Light reflectance from randomly oriented convex particles with File Size: KB.- Surface reflectance is a property of the surface (or ground) itself, i.e.
in this case the sea surface. It is determined using Fresnel's Equations and Snell's Law, both functions of the relative.Provisional Landsat 8 Surface Reflectance (SR) Specifications Band Designation Band Name Data Type Units Range Valid Range Fill Value Saturate Value Scale Factor sr_band1 Band 1 INT16 Reflectance – 0 - sr_band2 Band 2 INT16 Reflectance – 0 - File Size: KB.