LIST OF ABBREVIATIONS
AF Amplification FactorAIDS acquired immunodeficiency disease syndrome
BAF Biological Amplification Factor
BCC basal cell carcinoma
CFC chlorofluorocarbon
CM cutaneous melanoma
CO carbon monoxide. A chemically-reactive trace gas that is believed to play an important role in controlling the oxidizing capacity of the free troposphere.
COS carbonyl sulfide. The most concentrated sulfur containing gas in the troposphere. COS is believed to be a source of background sulfate aerosols in the stratosphere.
CO2 carbon dioxide
CZCS coastal zone color scanner
DIC Dissolved inorganic carbon. Total concentration of dissolved inorganic carbon in water, expressed in units of grams carbon per liter
DMS dimethyl sulfide. The major volatile sulfur compound of biogenic origin emitted from the ocean into the atmosphere. DMS reacts in the troposphere to produce sulfate aerosols.
DNA deoxyribonucleic acid
DOC Dissolved organic carbon. Total concentration of dissolved organic substances in water, expressed in units of grams carbon per liter
DOM Dissolved organic matter. Total concentration of dissolved organic substances in water, usually expressed in units of grams carbon per liter
DU Dobson Unit (2.69 x 1019 molecules cm-2)
EC50 concentration resulting in 50% of specified effect
g DW Grams per dry weight
Gt Gigaton. 109 tons (1015 grams)
HCFC Hydrochlorofluorocarbon. The class of industrially produced compounds containing carbon, hydrogen, chlorine and fluorine. Can be used as chlorofluorocarbon substitutes.
HFC Hydrofluorocarbon. The class of industrially produced compounds containing carbon, hydrogen and fluorine. Can be used as chlorofluorocarbon substitutes
HIV human immunodeficiency virus
HSV herpes simplex virus
ISLSCP International Satellite Land Surface Climatology Project
IL-1,10 Interleukin -1, 10
MeBr methyl bromide
NLOM Non living organic matter in the environment, e.g. litter, detritus
NMHC Non methane hydrocarbons. Volatile hydrocarbons emitted from terrestrial plants and marine phytoplankton that participate in various tropospheric chemical reactions
NMSC non-melanoma skin cancer
NO Nitric oxide. A highly reactive trace nitrogen species that participates in a variety of chemical reactions in the troposphere
NOx Nitrogen oxides. Reactive nitrogen-containing species, nitric oxide and nitrogen dioxide, that play an important role in tropospheric chemistry
N2O Nitrous oxide. An important greenhouse gas that also participates in stratospheric reactions that deplete ozone
PAM pulse amplitude modulation
PAR Photosynthetically active radiation. Generally defined as electromagnetic radiation in the 400 to 700 nm range
POC Particulate organic carbon. Total concentration of particulate organic substances in water, expressed in units of grams carbon per liter
RAF Radiative Amplification Factor
SBUV Solar Backscatter Ultraviolet (instrument)
SCC squamous cell carcinoma
SCUP skin cancer utrecht - Philadelphia
SOM Soil organic matter
SP xeroderma pigmentosum
TFA Trifluoroacetic acid. A tropospheric oxidation product of certain HFCs and HCFCs
Tg Teragram. 1012 grams
Th 1,2 T-helper 1, 2 lymphocyte
TNF Tumor necrosis factor - alpha
TOMS Total Ozone Mapping Spectrometer
UCA urocanic acid
UNEP United Nations Environment Programme
USEPA United States Environmental Protection Agency
UV ultraviolet
UV-A Ultraviolet-A radiation. Electromagnetic radiation of wavelengths in the 315 to 400 nm range
UV-B Ultraviolet-B radiation. Electromagnetic radiation of wavelengths in the 280 to 315 nm range
WHO World Health Organization
WMO World Meteorological Organization
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