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Monday, May 4, 2020 | History

2 edition of Solar ultraviolet radiation received at the earth"s surface under clear and cloudless conditions found in the catalog.

Solar ultraviolet radiation received at the earth"s surface under clear and cloudless conditions

N. Sundararaman

Solar ultraviolet radiation received at the earth"s surface under clear and cloudless conditions

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  • 3 Currently reading

Published by Dept. of Transportation, available through the National Technical Information Service in Washington, Springfield, Va .
Written in English

    Subjects:
  • Ultraviolet radiation.

  • Edition Notes

    StatementN. Sundararaman, Dennis E. St. John and S.V. Venkateswaran.
    SeriesReport - Dept. of Transportation ; no. DOT-TST-75-101
    ContributionsVenkateswaran, S. V., St. John, Dennis E., United States. Dept. of Transportation.
    The Physical Object
    Paginationix, [153] leaves in various pagings :
    Number of Pages153
    ID Numbers
    Open LibraryOL15173091M

    Review Quiz. The amount of solar radiation reflected off a surface is called: a. insolation b. albedo c. diffusivity d. emissivity e. shorter. The planetary albedo of the Earth is about _____ percent. a. 10 b. 17 c. 33 d. 45 e. The amount of incoming solar radiation that reaches the Earth's surface is called. a. insolation b. sky radiation. Most remote sensing instruments measure the same thing: electromagnetic radiation. Electromagnetic radiation is a form of energy emitted by all matter above absolute zero temperature (0 Kelvin or ° Celsius). X-rays, ultraviolet rays, visible light, infrared light, heat, microwaves, and radio and television waves are all examples of. Heat energy from solar radiation absorbed at the Earth's surface is known as _____. terrestrial radiation: Which is most true the Greenhouse Effect. Greenhouse gasses absorb long wavelength (infrared) radiation from the Earth and radiate some of it back towards the Earth. What is the role of the ozone layer?


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Solar ultraviolet radiation received at the earth"s surface under clear and cloudless conditions by N. Sundararaman Download PDF EPUB FB2

Stratospheric ozone depletion due to human activities has resulted in an increase of ultraviolet radiation on the Earth's surface. The article describes some effects on human health, aquatic ecosystems, agricultural plants and other living things, and explains how much ultraviolet radiation we are currently getting and how we measure by: 3.

Solar radiation and the interactions of earth's atmosphere and surface. STUDY. PLAY. Insolation. The part of the Suns radiation that is received by earth.

Transparent. Allowing radiation to pass through, but causing diffusion. Ozone. but is important in the stratosphere where it absorbs much of the Ultraviolet Radiation from the sun.

But the radiation reaching some point on Earth surface is random in nature. The main cause is the fact that various gases within the atmosphere absorb solar radiation at different wavelengths, and clouds and dust also affect it.

There are two ways to obtaining solar radiation data at ground level: by measurement and by modelling.5/5(1). Like solar radiation in general, albedo values also vary across the globe with latitude but Earth’s average albedo is around 31%.

For surfaces between the tropics (°N to °S) the average albedo is %. At the poles, it can be as high as 80% in some areas.

This is a result of the lower sun angle present at the poles but also the Author: Amanda Briney. What dictates the amount of solar radiation that is received by the Earth's surface. angle at which the radiation strikes the surface and number of daylight hours Radiation striking the earth perpendicularly is much more intense than striking at an angle and traverse through less atmosphere, true or false.

Surface ultraviolet (UV) irradiance depends not only on stratospheric ozone amounts, but also varies with time and date, latitude, cloud amount and aerosol load. Any assessment of the effect of stratospheric ozone depletion on surface UV irradiance must take into consideration all of the above parameters.

Measurements in the UV-B region may be Cited by: UV Radiation. This fact sheet explains the types of ultraviolet radiation and the various factors that can affect the levels reaching the Earth’s surface. The sun emits energy over a broad spectrum of wavelengths: visible light that you see, infrared radiation that you feel as heat, and ultraviolet (UV) radiation that you can’t see or feel.

Solar radiation that the earths surface receives is what heats the earths atmosphere. The surface absorbs the radiation and is then emitted as long-waves of radiation to the atmosphere.

Asked in. Human exposure to solar ultraviolet radiation. Cloud cover influences the amount of SUVR reaching the earths surface in that the highest SUVR. Observed (pre) and projected changes in annual mean erythemal (sunburning) clear-sky UV-B radiation at Earth's surface, relative tofor different latitude bands.

Figure updated with. Solar irradiance is the power per unit area (watt per square metre, W/m 2), received from the Sun in the form of electromagnetic radiation as reported in the wavelength range of the measuring instrument. Solar irradiance is often integrated over a given time period in order to report the radiant energy emitted into the surrounding environment (joule per square metre, J/m 2).

How does the varying solar ultraviolet radiation impact climate. Two scientists (Thierry Dudok de Wit, from the University of Orléans, and Yoav Yair, from th. Almiaplurk Emvwmeni Vol. W, 19(7. PrinleJ in Grot Bnltin. 00(M(1/87 $+ 0 Wl Periunon Jounult Ltd.

EFFECT OF CLOUDINESS ON SOLAR ULTRAVIOLET RADIATION REACHING THE SURFACE School of Physics, University of Science of Malaysia, USM Penang, Malaysia (First received 19 August and received/or Cited by: The total annual irradiation received by the surface of the Sahara (around million km2) is nearly times higher than the global annual primary energy demand; in fact the global primary energy demand could be provided by collecting the solar energy received by 48, km2 of the Sahara, an area slightly larger than Switzerland, or one.

Researchers have measured the highest level of ultraviolet radiation ever recorded on Earth's surface. The extraordinary UV fluxes, observed in the Bolivian Andes only 1, miles from the equator.

The surface area of a sphere varies as the square of the radius of the sphere; so the energy per unit area received varies inversely as the square of the distance from the Sun.

A planet situated 1/2 as far from the Sun as is Earth would be scorched by 4 times as much energy from the Sun (5, W/m 2). Ultraviolet radiation reaching the earth's surface increased for 30 years before leveling off in the mid-'90s, a new analysis of data from multiple sources shows.

NASA - UV Exposure Has Increased Over the Last 30 Years, but Stabilized Since the Mids. SOURCE: Abridged from Eddy (). The Solar Constant.

The radiation intensity on the surface of the sun is approximately × 10 7 W/m radiation spreads out as the distance squared, by the time it travels to the earth ( × 10 11 m or 1 AU is the average earth-sun distance), the radiant energy falling on 1 m 2 of surface area is reduced to W as depicted.

Solar radiation is commonly divided into various regions or bands on the basis of wavelength (Table 1). Ultraviolet radiation is that part of the electromagnetic spectrum between and nm.

It is, in turn, divided rather arbitrarily from the viewpoint of its biological effects into three major components (Fig. Table 1. Figure 1: Observed (pre) and projected changes in annual mean erythemal (sunburning) clear-sky UV-B radiation at Earth's surface, relative.

Defining of the Intensity of Solar Radiation on Horizontal and Oblique Surfaces on Earth 79 December 20th (summer longest daylight on the south hemisphere, i.e., winter shortest daylight on the north hemisphere).

During the spring and autumn equinox, on March 21st and September 22nd the declination angle is 0°. The declination value (δ) can be. The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's atmosphere of Earth protects life on Earth by creating pressure allowing for liquid water to exist on the Earth's surface, absorbing ultraviolet solar radiation, warming the surface through heat retention (greenhouse effect), and reducing.

Solar UV and Ozone Layer Atmospheric Gases Block UV. High Alpine mountains near the equator receive most direct, intense solar radiation. For example, plants of Alpine East Africa, Borneo, Irian Jaya Mountains of New Guinea etc.

have evolved to survive harsh weather conditions and intense ultraviolet solar radiation, that is not completely filtered by the thin Ozone layer and clearer air at high altitude. A method of computation of the direct absorption of solar radiation by the near infra‐red bands of water vapour and carbon dioxide in a cloudless, non‐scattering atmosphere using recent laboratory data compiled by Howard, Burch and Williams () is described.

Chapter 2 SOLAR RADIATION AT THE TOP OF THE ATMOSPHERE THE SUN AS AN ENERGY SOURCE The sun, formed about billion years ago, is an ordinary body in the cosmic hierarchy. Among billions of stars in the universe, the sun is about average in mass but below average in size.

Solar ultraviolet radiation in a changing climate Abstract The projected large increases in damaging ultraviolet radiation as a result of global emissions of ozone-depleting substances have been forestalled by the success of the Montreal Protocol.

New challenges are now arising in relation to climate change. The projected large increases in damaging ultraviolet radiation as a result of global emissions of ozone-depleting substances have been forestalled by the success of the Montreal Protocol.

New challenges are now arising in relation to climate change. We highlight the complex interactions between the drivers of climate change and those of stratospheric ozone depletion, and the. Sunlight in space at the top of Earth's atmosphere at a power of watts/m2 is composed (by total energy) of about 50% infrared light, 40% visible light, and 10% ultraviolet light [1].

At ground level, this decreases to about watts/m2, and consists of 44% visible light, 3% ultraviolet (with the Sun at the zenith (directly overhead. Abstract. It is often assumed that any anthropogenic trend in stratospheric ozone abundance must inevitably bring about an ecologically significant inverse trend in surface solar ultraviolet radiation (UVR) at the earth’s by: Visual solar radiation, infrared radiation and ultraviolet radiation reach the surface of the earth.

The most part of ultraviolet radiation is stopped by the earth ozon screen, but not %. Gamma radiation doesn't even leave the sun surface.

More solar radiation is received at the: a. earth's surface. top of the atmosphere. north and south poles. ____ In the northern hemisphere, north-facing hillsides have a ____ growing season than south-facing hillsides. shorter b. longer ____ In the northern hemisphere, a solar panel should be placed on the side of the roof.

A) pro coal: coal mines need more business; pro solar: Florida is an ideal state for solar energy because of its abundant sunshine B) pro coal: invest in this relatively cheap and reliable energy source; pro solar: invest in solar energy because coal supplies re running out faster than oil supplies C) pro coal: coal is a relatively cheap and.

The solar constant is the amount of solar radiation received outside the Earth’s atmosphere on a surface and atmospheric conditions. whereas atthe surface all aerosols reduce solar radiation.

The changes arising from theFile Size: KB. Emissions from the Sun create conditions in our solar system that are very hostile to life. Earth’s magnetosphere protects the planet's surface from charged particles of the solar wind. Without this protection, life as we know it would probably not exist on Earth.

Interaction Between the Magnetosphere and the Solar Wind. Gleeson et al.: Effects of aerosols on clear-sky solar radiation The main goal of the present study is to focus on the im-pact of AOD, aerosol IOPs, the vertical distribution of aerosols, relative humidity and radiative transfer algorithms on SW fluxes in diagnostic single-column, clear-sky exper-iments using the ALADIN-HIRLAM system.

The Earth's Energy Budget I -- General Radiation Laws and Solar Radiation. We will now take a look at the energy budget for the planet Earth and provide an explanation for the greenhouse effect. All of the energy into and out of the Earth's climate.

GEODe Earth Science Quiz - Heating Earth's Surface and Atmosphere This activity contains 37 questions. True False: Which of these factors influences the amount of solar energy received at a particular location on Earth's surface.

The arrow is pointing to a line called the: On average clouds reflect more solar radiation back to space. Modeled SWi is from the Clear Sky Calculator. Figure 2: Ratio of measured shortwave radiation (SWi) to modeled SWi over the course of a clear day (Ap ) in Logan, Utah.

Mean ratio = & (2 ± 1 %) for measurements averaged from two hours before solar noon to two hours after solar noon (solar noon occurred at approximately ). At any given location on Earth, the insolation (incoming solar energy) received on a daily basis depends primarily on 1) the angle of the Sun above the horizon (solar elevation angle, solar incidence angle), 2) the length of time the surface is exposed to the Sun, and 3) atmospheric conditions (discussed above in Section ).

Solar radiation, therefore, is the energy, specially electromagnetic energy, that the Sun gives off. The Sun produces energy through nuclear fusion at its core, where tremendous amounts of energy are released by the fusion of nuclei into more massive nuclei under extreme conditions such as extreme pressures and temperatures.On a clear day, the albedo of the sea surface is lowest.

a. at sunrise. b. at noon. c. at sunset. Earth’s planetary albedo is _____ the albedo of the moon. a. about the same as. b. less than.

c. greater than. The surface of Earth is absorbing solar radiation.the ultraviolet solar radiation that reaches the surface of the earth and causes unprotected skin to burn; and • X rays used in medicine for diagnostic imaging.

Part A Which of the following statements correctly describe the various forms of EM radiation listed above? Check all that apply. They have different wavelengths.