ADEOS]]>'> DEKLIM]]>'> EC]]>'> EU]]>'> GSC]]>'> IGAC]]>'> IGBP]]>'> ISO]]>'> PAGES]]>'> PANASH]]>'> PCA]]>'> QUADRU]]>'> QUEEN]]>'> SAR]]>'> START]]>'> WCRP]]>'> http://www.pages.unibe.ch/]]>'> pages@ubeclu.unibe.ch]]>'> http://www.ngdc.noaa.gov/paleo/pages.html]]>'> http://www.ngdc.noaa.gov/paleo/pale/index.html]]>'> http://www.panaea.de]]>'> http://www.parc.ca/]]>'> http://www.pkdb.uni-hohenheim.de]]>'> http://www.royalalbertamuseum.ca/]]>'> http://www-pcmdi.llnl.gov/pmip/index.html]]>'> http://primelab.physics.purdue.edu/]]>'> http://sheba.geo.vu.nl/users/pal/proper/]]>'> http://www.pacificscience.org/]]>'> ]> phosphorus, a non-metal element prefix for radiocarbon dates produced at University of Pennsylvania, Philadelphia (USA) &ISO; country code for Panama Pennsylvania (US state) process-affected, as in process-affected water in industrial processes peak area proactinium, a transition metallic element Provincial Archives of Alberta (Canada) Paleolimnology of Alpine-Adriatic Lakes (a proposed project for &IGBP; under &PAGES;) Polynyas in the Arctic's Changing Environment (project, Canada) Palaeoecological Analysis of Circumpolar Treeline (project) Peace-Athabasca Delta, in north central Alberta, Canada Past Global Changes, a core project of &IGBP;. Main office is in Bern, Switzerland. See &LINK001; Contact at &LINK002; &PAGES; / Core Project Office (located in Bern, Switzerland). See &LINK003; Partnership Group for Science and Engineering (Canada) polycyclic aromatic hydrocarbons polar area index, a term used in palynology, defined as the ratio between the distance between colpi, in polar view, and the equatorial diameter of a pollen grain <I>Palaeogeography, Palaeoclimatology, Palaeoecology</I>, a scientific journal Paleoclimates of Arctic Lakes and Estuaries (&PAGES; project). See &LINK004; phased array type L-band synthetic aperture radar Provincial Archives of Manitoba (Canada) Paleoclimates of the Northern and Southern Hemispheres (major project under &PAGES;) PaleoNetwork for Geological and Environmental Data (database initiative, &PAGES;) See &LINK005; pollen accumulation rate, expressed in grains/cm<SUP><SMALL>2</SMALL></SUP>/yr, the term supercedes "absolute" pollen counts or "pollen influx" photosynthetically active radiation photosynthetically available radiation Prairie Adaptation Research Cooperative, headquartered in Regina (Canada). See &LINK006; Paleoenvironmental Arctic Sciences Polar Atmospheric and Snow Chemistry (&IGAC; activity) Palaeoclimates of the Southern Hemisphere Pan African &START; Secretariat (&PAGES;) Pali Aike Volcanic Field, in southern Patagonia, Argentina pollen assemblage zone, a term used in pollen analysis Pre-Boreal (time/climate unit) lead, a metallic element, the symbol is derived from its old Latin name, plumbum planetary boundary layer polybrominated diphenyl ethers principal component(s) principal components analysis, a multivariate statistical method polychlorinated biphenyls per calendar month protein calorie malnutrition polymerase chain reaction, a technique used in molecular genetics research to amplify small quantities of DNA Polar Continental Shelf Project (Canada, &GSC;) packed cell volume Police Department palladium, a transition metallic element Prospectors and Developers Association of Canada Peedee belemnite (<I>Belemnitella americana</I>), a standard used in <SUP>14</SUP>C dating, an isotopic standard used for measuring oxygen isotopes in carbonates Paleoenvironmental Database of China Palmer drought index Pacific Decadal Oscillation, oscillation in ocean temperature Palmer Drought Severity Index Pacific Deep Water &ISO; country code for Peru Paleocene/Eocene boundary Paleo Environment and Climate History of the Russian Arctic, project, component of &QUEEN; polyethylene glycol Prince Edward Island (Canadian Province) polar equatorial index, a term used in palynology, defined as the ratio of the polar to equatorial diameter of a pollen grain airport code for Beijing Capital International Airport, Beijing, China Pole-Equator-Pole (projects under &PANASH;): PEP I (The Americas Transect), PEP II (The Austral-Asian Transect), PEP III (The Afro-European Transect). Project on Education, Research and Training payment for ecosystem services, a method of cost-benefit analysis for evaluating impact of land-use changes potential evapotranspiration Paleocene-Eocene thermal maximum &ISO; country code for Polynesia (France) perfluorocarbons perfluoro-octanoic acid plant fossil record preliminary field reconnaissance Prairie Farm Rehabilitation Administration (Canadian Federal Agency, based in western Canada, HQ in Regina, Saskatchewan) plant functional type(s) &ISO; country code for Papua New Guinea Pacific Geoscience Centre (an office of the &GSC;, located in Victoria, B.C., Canada), renamed GSC Victoria in April 1995 platinum group elements phosphoglucose isomerase (enzyme, focus in genetic studies) phosphoglucomutase (enzyme, focus in genetic studies) postglacial rebound &ISO; country code for Philippines Palmer Hydrological Drought Index Palmer Hydrological Drought Severity Index Paleo-Indian principal investigator North Pacific Marine Sciences Organization Proto-Indo-European, hypothetical ancestral language for the Indo-European language group Project for Intercomparison of Land-surface Parameterization Schemes Predicting Impacts on Natural Ecotones (project, &EU; funded) Paleolimnological Investigations of Salinity, Climatic and Environmental Shifts prefix for <SUP>14</SUP>C dates from the University of Pittsburgh Radiocarbon Laboratory (US) Pacific Intermediate Water particle-induced x-ray emission &ISO; country code for Pakistan Palynologische Kring International Paleoclimate Database (Germany). See &LINK007; &ISO; country code for Poland partial least squares, a modification of &PCA; Research Program on Landsurface Processes and Climate (&WCRP;) &ISO; country code for Saint Pierre and Miquelon promethium, a transition metallic element Provincial Museum of Alberta (Edmonton, Alberta, Canada) prefix for specimens from the Museum. See &LINK008; Palaeoenvironmental Multiproxy Analysis and Mapping Project (&IGBP; / &PAGES;) Paleoclimate Modelling Intercomparison Project (&PAGES;) See &LINK009; polar mixed layer (of ocean water) &ISO; country code for Pitcairn Islands photosynthesis pottery Neolithic, a subdivision of archaeological time used in Middle East Pacific North America Pacific-North America anomaly Proceedings of the National Academy of Sciences (US) Papua-New Guinea Pacific Northwest, of North America. A poorly-defined region, sometimes only includes the NW continguous US states (Washington and Oregon), elsewhere may include the entire NW coastal area, (Washington, Oregon, British Columbia, Alaskan panhandle and coastal Alaska). polonium, a metalloid element Palaeovegetation of the Americas (project) particulate organic carbon point of interest Polarization and Directionality of the Earth's Reflectance. A radiometer aboard &ADEOS; polarimetric &SAR; interferometry polarimetric &SAR; particulate organic matter persistent organic pollutants point of view point of view predator-prey primary production provincial park (Canada) Palynological and Palaeobotanical Association of Australia parts per billion Pliocene-Pleistocene boundary personal protective equipment, such as lab coats, safety glasses, gloves, etc., worn during pollen processing pollen productivity estimates parts per million Palynology and Plant Micropalaeontology of Belgium pre-pottery Neolithic, a subdivision of archaeological time used in Middle East precipitation parts per thousand Prairie Provinces Water Board (Canada) Province of Quebec (Canada) &ISO; country code for Puerto Rico Puerto Rico (US Commonwealth) praseodymium, a transition metallic element People's Republic of China identifier for specimens from Paleontological Research Institution, Ithaca, New York, USA Purdue Rare Isotope Measurement Laboratory (US). See &LINK010; Pliocene Research, Interpretation, and Synoptic Mapping project Public Records Office Proxies in Paleoclimatology: Education and Research (&EC; initiative). See &LINK011; <B>Pro</B>xy-based and <B>simul</B>ated climate variability, activity under &DEKLIM; Paleontological Society (US) Pacific Science Association. See &LINK012; potential source area(s) particle size analysis projected surface area Palynological Society of China pseudo-single domain, used of magnetic particles particle size distribution Permanent Scatterer &SAR; Interferometry, a remote sensing technique Palynological Society of Japan Paleobotanical Society of Lucknow (India) photon-stimulated luminescence Permanent Service for Mean Sea Level Palynological Society of Poland palaeomagnetic secular variation primary separation vessel, in oil sands processing &ISO; country code for Portugal platinum, a transition metallic element Permian-Triassic transition or boundary, marks one of the 'big five' extinction events prefix for C<SUP>14</SUP> dates from the &QUADRU; radiocarbon laboratory in Pretoria, South Africa Permian-Triassic Boundary <I>N</I>-phenacylthiazolium bromide, a chemical sometimes used in DNA analysis polytetrafluoroethylene, marketed under the name 'Teflon' plutonium, a radioactive element Prairie University Biological Seminars (Canada) polar view (of a pollen grain) proximal view (of a specimen) precipitation variance index &ISO; country code for Palau pixel(s) &ISO; country code for Paraguay