Opet

  • colours of seaweeds
    ... colours of seaweeds Seaweeds Crude (filter paper) chromatography of green seaweed pigments. Seaweeds have remarkably rich absorption spectra. Chlorophyll is responsible for the basic photosynthetic processes but, as the depth in the ... spectra of brown and purple seaweeds in transmission. They contain bands both of chlorophyll and phycoerythrin --- the two pigments together giving a complex spectrum. The sketch ... ...
    http://ecf.hq.eso.org/~rfosbury/home/natural_colour/biochromes/nc_bio_seaweed.html
  • POLDER and Ocean Color
    ... for upcoming missions such as EOS, ENVISAT and obviously POLDER on ADEOS-2. Atmospheric Correction and Chlorophyll Concentration Estimate POLDER measurements are initially corrected for atmospheric absorption. The water vapor absorption correction makes use of the 910 nm channel which is centered on a water vapor ... oxygen absorption correction makes use of the absorption band centered around 763 nm. The ozone absorption correction makes use of stratospheric ozone concentration estimate from TOMS, also onboard ADEOS. Next, a chlorophyll ...
    http://www.ioccg.org/reports/polder/polder.html
  • GEO_APPENDIX_A.HTML
    ... of 7.5 million pixels. Figure A.2 . Solar irradiation curves, showing location of atmospheric absorption bands; from Handbook of Geophysics and Space Environments, S. Valley (Ed.),copyright© 1965 McGraw-Hill (published ... the radiation distributed over a finite wavelength interval or band. Band limits are determined by the transmission characteristics of a filter that passes only radiation of certain wavelengths. The detector ...
    http://geoinfo.amu.edu.pl/wpk/geos/GEO_APPENDIX_A.HTML
  • Green Car Congress: Optimizing Algae for Biofuels Production by Genetically Truncating Their Chlorop
    ... Emissions Proposal, Advances Implementation | Main | Antonov Gains Two More Customers in China for 6-Speed TX6 Transmission, Government Support » Print this post Optimizing Algae for Biofuels Production by Genetically Truncating Their Chlorophyll Arrays 18 December 2008 Photosynthetic O 2 -production with C. reinhardtii wild type and tla1 mutant as a ... a study of the green algae C. reinhardtii . Current progress suggests that a partially truncated chlorophyll antenna size of the microalgae alleviates the over- ...
    http://www.greencarcongress.com/2008/12/optimizing-alga.html
  • Aa-Am
    ... or the kinetic energy of the molecules or atoms composing the absorbing medium. absorption band In atmospheric radiative transfer, a collection of absorption lines in a particular frequency interval. absorption line In atmospheric radiative transfer, a discrete frequency at which an energy transition of an ... instrument used to perform in-situ measurements of the amount of chlorophyll ...
    http://stommel.tamu.edu/~baum/paleo/ocean/node1.html
  • USGS Spectroscopy Lab - Tetracorder Paper
    ... the global view 4.2.1 Group 1: 1-µm broad region 4.2.2 Group 2: 2-µm vibrational absorption region 4.2.3 Group 3: Vegetation Chlorophyll Detection 4.2.4 Group 4: Rare Earth Materials 4.4.5 Case 1: Vegetation Red Edge 4.4.6 ... laboratory. In disciplines ranging from astronomy to chemistry, spectroscopic measurements are used to detect absorption features due to specific chemical bonds, and detailed analyses are used to determine the ... ...
    http://speclab.cr.usgs.gov/PAPERS/tetracorder/
  • Howstuffworks "How Light Works"
    Howstuffworks "How Light Works" HowStuffWorks Search HowStuffWorks and the web Video | RSS | Random Home Adventure Animals Auto Communication Computer Electronics Entertainment Food Geography Health History Home & Garden Money People Science Earth Science Engineering Everyday Science Life Science Military Physical Science Space Supernatural Science Home  >  Science  >  Physical Science  >  Optics How Light Works by Craig Freudenrich, Ph.D. Browse the article How Light Works Introduction to How Light Works Frank Krahmer/ ­Getty Images The way we think about light has changed through the course of history, ...
    http://www.howstuffworks.com/light.htm/printable
  • Nikon MicroscopyU | Fluorescence Microscopy | Introduction
    ... The emission of light through the fluorescence process is nearly simultaneous with the absorption of the excitation light due to a relatively short time delay between photon absorption ... Early investigations in the 19th century showed that many specimens (including minerals, crystals, resins, crude drugs, butter, chlorophyll, vitamins, and inorganic compounds) fluoresce when irradiated with ultraviolet light. However, it was not until the 1930s ... attachment targeting, and have a significant quantum yield (the ratio of photon ...
    http://www.microscopyu.com/articles/fluorescence/fluorescenceintro.html
  • Remote Sensing Glossary
    ... the ability of a material to absorb EM energy at a specific wavelength. absorption band -Wavelength interval within which electromagnetic radiation is absorbed by the atmosphere or by other substances. absorptivity -Capacity ...
    http://www.ldeo.columbia.edu/res/fac/rsvlab/glossary.html
  • Remote Sensing Tutorial Page D-1
    ... the ability of a material to absorb EM energy at a specific wavelength. absorption band -Wavelength interval within which electromagnetic radiation is absorbed by the atmosphere or by other substances. absorptivity -Capacity ...
    http://rst.gsfc.nasa.gov/AppD/glossary.html
  • Olympus Microscopy Resource Center: Photomicrography - Fluorescence Microscopy Errors
    ... Microscope objectives utilized for fluorescence should have as high a numerical aperture as possible, with high transmission values for the wavelengths of light being employed in the experiments. Because ... objectives designed for fluorescence microscopy, manufacturers use quartz and other special glass formulations that have high transmission
    http://www.olympusmicro.com/primer/photomicrography/fluorescenceerrors.html
  • Nikon MicroscopyU | Stereomicroscopy | Epi-Fluorescence Illumination
    ... cone of illumination that bathes the specimen, exciting any fluorophores that are present and have absorption bands corresponding to the excitation wavelength bandpass range. Secondary fluorescence emission (usually of longer wavelengths ... orange emission. In addition, filter combinations designed for plant specimens having intense autofluorescence background emission from chlorophyll often benefit from careful and precise selection of the filter specifications with respect to ... exposure to high-intensity light and ultraviolet wavelengths. Characteristics such as bandpass frequencies and ...
    http://www.microscopyu.com/print/articles/stereomicroscopy/stereofluorescence-print.html
  • Remote Sensing : Feature Articles

    http://earthobservatory.nasa.gov/Library/RemoteSensing/printall.php
  • Remote Sensing : Feature Articles

    http://earthobservatory.nasa.gov//Library/RemoteSensing/printall.php
  • Bibliography on Biophoton Research and Related Subjects
    Bibliography on Biophoton Research and Related Subjects International Institute of Biophysics   Research Groups   News/Recent Publications   Email to the IIB Biophotonik I NTERNATIONAL I NSTITUTE OF B IOPHYSICS BIBLIOGRAPHY ON BIOPHOTON RESEARCH, INTEGRATIVE BIOPHYSICS AND RELATED SUBJECTS Version 6.1 (June 7, 2006) © copyright (2006) by Marco Bischof (Berlin/Germany) Abeles, F.B.: Plant chemiluminescence. Ann. Rev. Plant Physiol., Vol.37 (1986), pp.49-72. Abraham, Ralph H.: Vibrations and the realization of form. In: Jantsch, E. / Waddington, C.H. (eds.), Evolution ...
    http://www.lifescientists.de/publication/bibliography1-1.htm
  • Biophotonik: Literatur - International Institute of Biophysics
    Biophotonik: Literatur - International Institute of Biophysics INTERNATIONAL INSTITUTE OF BIOPHYSICS Biophotonik: Literatur Impressum/Kontakt    Start Fritz-Albert Popp Biophotonik Übersicht Geschichte Summer School Literatur Regulationsdiagnostik Lebensmittelanalyse Kritik Leserbriefe   English Biophotonik International Institute of Biophysics ehemalige Raketenstation Kapellener Str. D-41472 Neuss Telefon: 02182 - 825131 Fax: 02182 - 825132 E-mail: Biophotonik.KL@t-online.de Version 6.1 (June 7, 2006) © copyright (2006) by Marco Bischof (Berlin/Germany) Abeles, F.B.: Plant chemiluminescence. Ann. Rev. Plant Physiol., Vol. 37 (1986), pp.49-72. Abraham, Ralph H.: Vibrations and the realization ...
    http://www.biophotonen-online.de/biophotonik/literatur.htm
  • Biophotonik: Literatur - International Institute of Biophysics
    Biophotonik: Literatur - International Institute of Biophysics INTERNATIONAL INSTITUTE OF BIOPHYSICS Biophotonik: Literatur Impressum/Kontakt    Start Fritz-Albert Popp Biophotonik Übersicht Geschichte Summer School Literatur Regulationsdiagnostik Lebensmittelanalyse Kritik Leserbriefe   English Biophotonik International Institute of Biophysics ehemalige Raketenstation Kapellener Str. D-41472 Neuss Telefon: 02182 - 825131 Fax: 02182 - 825132 E-mail: Biophotonik.KL@t-online.de Version 6.1 (June 7, 2006) © copyright (2006) by Marco Bischof (Berlin/Germany) Abeles, F.B.: Plant chemiluminescence. Ann. Rev. Plant Physiol., Vol. 37 (1986), pp.49-72. Abraham, Ralph H.: Vibrations and the realization ...
    http://www.biophotonik.de/biophotonik/literatur.htm
  • MODIS Calibration Discipline Group - Home Page
    ... also in the infrared regions that our eyes can't see. By observing the reflection, absorption, emission, or transmission of photons by an object, scientists can quantitatively infer certain attributes of that object. For ...
    http://modis.gsfc.nasa.gov/MODIS/CAL/
  • Division of Biophysics - Department of Biology and Chemistry - University Osnabrück
    ... S.D. Dunn, W. Junge (2008) Proc.Natl.Acad.Sci. USA   105, 20870-20875 Domain Compliance and Elastic Power Transmission in Rotary FOF1-ATPase 262.      H. Sielaff, H. Rennekamp, S. Engelbrecht, W. Junge (2008) Biophysical Journal 95 , 4979 ... Junge, H. Dau, M. Haumann (2005) Biochemistry 44 , 12775-79 Photosynthetic Water Oxidation at High O2-Backpressure Monitored by Delayed Chlorophyll Fluorescence 248. W.Junge (2005) Photosynth. Research On Vik’s letter concerning comments on a statement in ... K. Gumbiowski, M. Müller, S. Engelbrecht (2001) FEBS Lett. 25153, 1-9 Inter-subunit rotation and elastic power ...
    http://www.biologie.uni-osnabrueck.de/biophysik/Junge/publications.html
  • http://seabass.gsfc.nasa.gov/docs/examples/moce5_iop_readme.txt
    ... Barnstead Nanopure water system. Post processing included temperature and salinity corrections of all the absorption and attenuation data and scattering correction of the total absorption data. Details of the calibrations and processing of the ac9 data can ... Pressure (dbar) Wt = Water temperature during profile (degrees C) Sal = Salinity (PSU) Density = Sigma-t (kg/m^3) stimf = Stimulated chlorophyll fluorescence (volts) trans = Light transmission (volts) ays = dissolved absorption ...
    http://seabass.gsfc.nasa.gov/docs/examples/moce5_iop_readme.txt
  • Fu-Liou Online Code Users Manual
    ... mixed in the atmosphere. Changing the CO2 concentration does NOT affect the Shortwave CO2 absorption.   Longwave Continuum : Choice of the formulation of longwave continuum absorption Roberts ( mainly in the window region) Clough et al ( CKD_2.1). Clough et al ( CKD_2.4). OFF ... 2683..   Fu, Q., G. Lesins, J. Higgins, T. Charlock, P. Chylek, and J. Michalsky, 1998: Broadband water vapor absorption of solar radiation tested using ARM data. Geophys. Res. Lett., 25, 1169-1172.   Fu, Q., K. Liou, M
    http://snowdog.larc.nasa.gov/rose/fu200503/flp200503_web.htm
  • Level 2 Products and Algorithms
    ... to the observations. Only two of them are considered significant enough to justify correction: absorption by ozone and the presence of volcanic aerosol s. When this initial correction has been ... 2.20 Cirrus cloud detection LISE 2.21 Adjacency effects in coastal areas LISE 2.22 MERIS Terrestrial Chlorophyll Index ( http://envisat.esa.int/instruments/meris/pdf/atbd_2_22.pdf ) Univ. Southampton 2.7.1.2 Level 2 Algorithm Description ... observed pixel (water, land, cloud) and provide information on: · the surface properties: normalised reflectance at surface, ...
    http://envisat.esa.int/handbooks/meris/CNTR2-7.htm
  • SeaWiFS Level 3 Dataset
    ... within 5% absolute and 1% relative, water-leaving radiances to within 5% absolute, and chlorophyll a concentration to within 35% over the range 0.05 - 50.0 mg m ... 3 geophysical parameters. Normalized water-leaving radiances at: 412 nm 443 nm 490 nm 510 nm 555 nm 670 nm Chlorophyll a concentration Diffuse attenuation coefficient at 490nm, K(490) Chlorophyll a / K(490) (integral chlorophyll) Epsilon of the aerosol correction at 765 and 865 nm Aerosol optical thickness at 865 ...
    http://disc.gsfc.nasa.gov/guides/GSFC/guide/SeaWiFS_L3_Guide.gd.shtml
  • Microsoft Word - Science_Summary_Liew_1.doc
    ... nm had a weaker correlation with the band ratio (Figure 4). The MODIS-derived chlorophyll absorption and CDOM absorption (Figure 5) seem to correlate well with the Hyperion-derived CDOM absorption. The conventional band ratio-based algorithms for chlorophyll retrieval were known to have problems when applied to coastal waters where scattering from sediments and ... and also good agreement between Hyperion-derived water leaving reflectance and MODIS Level 2 water leaving reflectance. Chlorophyll
    http://eo1.gsfc.nasa.gov/new/validationReport/Technology/Documents/Tech.Val.Report/Science_Summary_Liew_1.pdf
  • Standard SeaBASS Field Names
    ... updated 21 November 2008) Last Updated: &nbsp 21 November 2008 Field name Units Description a 1/m Total absorption coefficient (aw + ap + ag) a*ph m^2/mg Chlorophyll a specific absorption coefficient aaer 1/m Absorption coefficient of atmospheric aerosols ad 1/m Absorption coefficient of non-algal detritus adg 1/m Absorption coefficient of non-algal detritus + Gelbstoff (ad + ag) ag 1/m Absorption coefficient of Gelbstoff agp 1/m Absorption ...
    http://oceancolor.gsfc.nasa.gov/seabasscgi/stdfields.cgi
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