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What is the definition for atmospheric reflectance?
the amount of solar radiation/the surface area of atmosphere/8
Which technologies do scientist think are going to prove most useful in the future for predicting tornadoes?
Doppler radar, which even now is the most valuable tool in detecting and predicting tornadoes.
A mirror or lens that curves outward is?
convex
What is a Plano-concave lens?
A plano-concave lens is a type of lens that has one flat surface (plano) and one concave surface that curves inward. It causes light rays to diverge after passing through it, making it useful for applications that require spreading out light, such as reducing the intensity of a beam.
Describe the position of the letter a seen of the microscope?
the position of the letter is curves
What are reflectance curves?
Reflectance curves show the reflectivity as a function of wavelengt.
What are different type of the spectral reflectance the spectral reflectance curves of major ground features?
Some major ground features and their typical spectral reflectance curves include vegetation, which shows high reflectance in the visible spectrum and low reflectance in the near-infrared spectrum; water, which has low reflectance across all wavelengths; soil, which typically has higher reflectance in the visible spectrum and lower reflectance in the near-infrared spectrum; and urban areas, which have varying spectral reflectance depending on surface materials like asphalt, concrete, and buildings.
What is the definition of reflectance curves?
Reflectance curves represent the amount of light that is reflected at different wavelengths across the spectrum. They depict how an object interacts with light by revealing its reflective properties and color appearance under various lighting conditions. Reflectance curves are commonly used in fields such as colorimetry, remote sensing, and materials science to characterize the spectral reflectance of objects.
How are scientist useful?
very useful
What has The Golden Ratio in common with Alpha curves?
If you do not receive a useful answer to this question please resubmit with greater elaboration about the meaning of the term 'alpha curves'.
Why Nature of spectral reflectance curves?
Spectral reflectance measure a thin film's characteristics by reflecting light off the film and analyzing the resulting reflectance spectrum over a range of wavelengths. Light reflected from different interfaces of the film can be in- or out-of-phase so these reflections add or subtract, depending upon the wavelength of the light and the film's thickness and index. The result is intensity oscillations in the reflectance spectrum that are characteristic of the film.To determine the film's thickness, the software calculates a theoretical reflectance spectrum that matches as closely as possible to the measured spectrum. It begins with an initial guess for what the reflectance spectrum should look like, based on the nominal film stack. This includes information on the thickness and the refractive index of the different layers and the substrate that make up the sample. The theoretical reflectance spectrum is then adjusted by adjusting the film's properties until a best fit to the measured spectrum is found.This metrology can be used on thin film thickness measurement, even for transparent films.
How the decay and growth curves may be useful in describing the rate of reaction?
Obama won again
What is the difference between radiance and reflectance?
Radiance is the variable directly measured by remote sensing instruments. Basically, you can think of radiance as how much light the instrument "sees" from the object being observed. When looking through an atmosphere, some light scattered by the atmosphere will be seen by the instrument and included in the observed radiance of the target. An atmosphere will also absorb light, which will decrease the observed radiance. Radiance has units of watt/steradian/square meter. Reflectance is the ratio of the amount of light leaving a target to the amount of light striking the target. It has no units. If all of the light leaving the target is intercepted for the measurement of reflectance, the result is called "hemispherical reflectance." Reflectance (or more specifically hemispherical reflectance) is a property of the material being observed. Radiance, on the other hand, depends on the illumination (both its intensity and direction), the orientation and position of the target and the path of the light through the atmosphere. With effort, many of the atmospheric effects and the solar illumination can be compensated for in digital remote sensing data. This yields something which is called "apparent reflectance," and it differs from true reflectance in that shadows and directional effects on reflectance have not been dealt with. Many people refer to this (rather inaccurately) as "reflectance." For most of the vegetation indices in this FAQ, radiance, reflectance, and apparent reflectance can be used interchangeably. However, since reflectance is a property of the target material itself, you will get the most reliable (and repeatable) vegetation index values using reflectance. Apparent reflectance is adequate in many cases. See the related link.
What is bafrdf?
Bidirectional Reflectance Distribution Function
Why are telescopes very useful to scientist?
They are very useful to scientists because it helps them see stars and planets better
How is modeling useful to scientist?
It creates a representation of something difficult to see.
How do you measure surface reflectance of materials?
Surface reflectance of materials can be measured using instruments such as spectrophotometers or colorimeters, which detect the amount of light reflected off a surface at different wavelengths. These instruments provide quantitative data on the reflectance properties of the material, which can be used to analyze its color and appearance characteristics. By comparing the reflected light to a reference standard, accurate measurements of surface reflectance can be obtained.
