2 edition of Evaluation of solar beam irradiation as a climatic parameter of mountain watersheds. found in the catalog.
Evaluation of solar beam irradiation as a climatic parameter of mountain watersheds.
|Series||Hydrology papers -- 2|
|Contributions||Colorado State University.|
Solar climate is theoretically measured amount of incoming and distributed solar radiation in the outer atmosphere or on the surface of the Earth in the absence of the atmosphere (Milankovich, ; Alisov, Poltaraus, ; Monin, Shishkov, ; Drozdov et al., ; Khromov, Petrosyanz, ). Sunshine fraction, cloud amount, temperature, and global irradiation are the most commonly measured meteorological parameters. In this article five models based mainly on the abovementioned variables for the determination of irradiation and illuminance components are presented. These models are divided into three categories.
NASA SSE NASA Solar Radiation Archive of over satellite-derived meteorology and solar energy parameters, globally available at a resolution of 1x1 degrees. New! See our tutorial to get monthly and annual worldwide solar and climate data from NASA database. NAA 9 Pre-Feasibility Study for the Establishment of a Pre-Commercial Concentrated Solar Power Plant in Namibia DIRECT, DIFFUSE AND GLOBAL IRRADIANCE When measuring solar irradiance, the following components are of particular interest: • Direct normal irradiance (DNI) (also: beam irradiance) • Diffuse horizontal irradiance (DHI).
Earth scientists will move a step closer to a full understanding of the Sun's energy output with the launch of the Solar Radiation and Climate Experiment (SORCE) satellite. SORCE will be equipped with four instruments now being built at the University of Colorado that will measure variations in solar radiation much more accurately than anything now in use and observe some of the spectral. temperature based hourly solar radiation prediction, and the methods are claimed to perform well [11, 12]. Among the methods above, there are authors who have proposed to estimate directly total global radiation using meteorological parameter, and then the calculation of the beam and diffuse radiations are carried out using the decomposition model.
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Get this from a library. Evaluation of solar beam irradiation as a climatic parameter of mountain watersheds. [Richard Lee; Colorado State University.
Hydrology and Water Resources Program.]. Daily totals of solar irradiation (K↓s) were estimated as: K↓s = k↓(Sps/Sp) where Sps and Sp are the table values of potential solar irradiation for a slope and for a horizontal surface and K↓ is the daily total of global solar radiation measured on a horizontal surface at a site near enough to have the same cloud cover as the mountain Cited by: In book: Solar Cells - Silicon Wafer-Based Technologies Evaluation of Solar Beam Irradiation as a Climatic Parameter of Mountain Watersheds.
January Richad Lee; Read more. Article. Evaluation of solar element and collector system efficiency under hot climate conditions Article in Applied Solar Energy 44(2) June with 7 Reads How we measure 'reads'.
Lee tion of solar beam irradiation as a climatic parameter of mountain watersheds. Hydrology Papers, Colorado State University, U.S.A. () Google ScholarCited by: Lee, R.: Evaluation of Solar Beam Irradiation as a Climatic Parameter of Mountain Watersheds.
Hydrology Paper, Colorado State University, Fort Collins, No. 2, 50 pp. Google Scholar. Net radiation estimates are frequently required in watershed research, e.g., in calculating evapotranspiration and snowmelt. In mountainous areas, the effective net radiation, i.e., the horizontal projection of the flux through a surface parallel to the slope, is a more accurate measure of the available energy than that measured with a horizontal sensor.
Evaluation of Solar Beam Irradiation as a Climatic Parameter of Mountain Watersheds. Article. Jan ; Richad Lee; View. Join ResearchGate to find the people and research you need to help your work.
Am. 67 () 2) R. Lee, Evaluation of solar beam irradiation as a climatic parameter of mountain watersheds. Hydrol. Paper No. 2, Colorado State Univ., Fort Collins (Aug. ) 3) Smithsonian Meteor.
Bates and Henry (), in describing the Wagon Wheel Gap watersheds, write that "the grass- covered areas are mostly on the south exposures of both watersheds" (% and %, respectively, of the total area of the HE and LE watersheds), and that the north slope forests of aspen and Douglas-fir are more dense and con- sist of larger trees than.
Two approximations were made: (1) that the ratio of direct beam to global solar radiation is equal to the ratio of global solar radiation to potential insolation (Federer, ); and (2) that the direct beam solar radiation equals NR (Frank and Lee, ). 71 Estimates of NR derived in this way were found to underestimate average catchment loss.
Lee, R., Evaluation of solar beam irradiation as a climatic parameter of mountain watersheds. Hydrology Papers No. 2, 50 pp. Lelouchier, P., Etude écologique de. A general lack of information on atmospheric optical properties (e.g., the transmission coefficient) is a major obstacle to the use of the Lambert-Beer Laws in numerical modeling.
This paper reports on an effort to extract those properties from solar irradiance records and capture their variations in relation to commonly available climatic information. The end product of the effort is a. Lee, Richard. Evaluation of Solar Beam Irradiation as a Climatic Parameter of Mountain Watersheds.
Hydrology Papers, Colorado State University. Collins, CO. Lillie, D.T. George E. Glendening and C.P. Pase. “Sprout growth of shrub live oak as influenced by season of burning and chemical treatments.”. Evaluation of Solar Beam Irradiation as a Climatic Parameter of Mountain Watersheds.
Article. Jan ; Richad Lee; View. Show more. Beim interdisziplinären Forschungsvorhaben „Verjüngung des Bergmischwaldes” werden auch auf verschiedenen Versuchsflächen kontinuierliche Messungen der Globalstrahlung 1 in über dem Waldboden durchgeführt.
Die Ergebnisse für die Vegetationsperiode werden anhand der Werte für einen sonnigen und einen bedeckten Tag dargestellt; dabei ergibt sich unter anderem für einen Earth's climate depends on the delicate balance between incoming solar radiation, outgoing thermal radiation and the composition of Earth's atmosphere.
Even small changes in these parameters can affect climate. Around 30 percent of the solar energy that strikes Earth is reflected back into space. The boreal forest covers 30% of Canada's surface and 14% of the earth's land surface. Climate change will severely affect it, and these ecosystems will in turn impact climate and global hydrology.
and climatic conditions . Solar radiation data are the best The availability of more comprehensive solar radiation data is invaluable for the design and evaluation of solar-based conversion systems. Particularly, the basic solar The incident solar irradiation on a tilted surface is the sum of a set of radiation streams including beam.
Tutorial to get solar radiation and climate data from NASA (precipitaton, temperature, wind, insolation To get irradiance on tilted solar panels select: tilted solar panels/Solar irradiance for equator facing tilted surfaces. In this file you get the monthly and annual average irradiance values for the following parameters in kwh/day.m².
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), during that time.Climate - Climate - Solar radiation and temperature: Air temperatures have their origin in the absorption of radiant energy from the Sun.
They are subject to many influences, including those of the atmosphere, ocean, and land, and are modified by them.
As variation of solar radiation is the single most important factor affecting climate, it is considered here first.Estimation of the solar irradiance for an inclined surface requires a geometrically based transformation of the direct (beam) irradiance and an integration of the diffuse radiance (both sky and surface-reflected) over the field of view of the surface.
On an hourly basis (or less) the former calculation may be considered exact, but for.