Greenland: projects/activities

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Directory entires that have specified Greenland as one of the geographic regions for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. Note that the list of regions is not hierarchical, and there is no relation between regions (e.g. a record tagged with Nunavut may not be tagged with Canada). To see the full list of regions, see the regions list. To browse the catalog based on the originating country (leady party), see the list of countries.

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Displaying: 1 - 8 of 8
1. Occurence of "new" contaminants in marine biota in Greenland and the Faroe Islands

In addition to the persistent organic pollutants (POPs) analysed in former monitoring projects, other compounds of concern have been identified by the international community (e.g. OSPAR, AMAP), and analytical methods have been developed. These compounds include brominated flame retardants (BFRs), phthalates, polychlorinated naphthalenes (PCNs), perfluorooctane sulfonate (PFOS) and synthetic musk compounds. The aim of this project is to screen the marine environment of East and West Greenland and the Faroe Islands for these compounds. The analyses will be based on existing samples of pilot whale and fulmars from the Faroe Islands as well as marine sediments, shorthorn sculpins, ringed seals, minke whales from West Greenland and shorthorn sculpins, ringed seals and polar bears from East Greenland. As several trophic levels of the marine Arctic food chain are taken into account, the project will also result in information on the bioaccumulation of these compounds.

Organochlorines Fish Spatial trends Polar bear Persistent organic pollutants (POPs) Seabirds Sediments Marine mammals
2. AMAP Oil assessment

AMAP has decided to prepare an assessment of the environmental impacts of oil and gas developments in the Arctic and of pollution by petroleum hydrocarbons. The assessment is planned to be ready in 2006. NERI will co-ordinate the Danish/Greenlandic contribution.

PAHs Petroleum hydrocarbons Seabirds Sediments Oil and Gas
3. ZERO-database

The ZERO database contains all validated data from the Zackenberg Ecological Research Operations Basic Programmes (ClimateBasis, GeoBasis, BioBasis and MarinBasis). The purpose of the project is to run and update the database with new validated data after each succesfull field season. Data will be available for the public through the Zackenberg homepage linking to the NERI database. The yearly update is dependent on that each Basis programme delivers validated data in the proscribed format.

Biological effects Hydrography Geophysics Climate Polar bear GIS Sediments Marine mammals Biology Populations Soils UV radiation Fish Discharges Sea ice Climate change Terrestrial mammals Ice Biodiversity River ice Arctic Seabirds Geochemistry Reproduction Permafrost Ecosystems
4. Paleeoecology and (periglacial) eolian sediment transfer in the ice-sheet marginal zone of southwestern Greenland (Kangerlussuaq region)

The project aims at reconstructing the environmental history in the interior Kangerlussuaq region since deglaciation. Focus is placed on the lacustrine and eolian sediments to decipher climate evolution in terms of temperature, evaporation- precipitation balance and phases of high- wind speed events. The overall objectives are to build a high-resolution (decadal-to-century scale) chronostratigraphic framework for past climate variability from the analysis of organic-rich lake sediments and peat filled basins using a variety of sediment analysis techniques (magnetostratigraphy, grainsize, sedimentfractionation techniques, AMS 14C dating, diatom-, pollen- and macrofossil analysis) and sedimentology. Research activities diatom analysis, pollen analysis, magnetic susceptibility, automated correlation techniques, grainsize, organic chemistry, sediment fractionation techniques, AMS radiocarbon dating, sedimentology, mapping, sediment transport and erosion measurements/monitoring, micro-meteorology, vegetation mapping, pollen rain studies, diatom salinity training sets, limnology

Glaciers Geology eolian Climate variability Climate sedimentology Climate change Quaternary geology Ice sheets Geochemistry Sediments paleeoecology geomorphology periglacial paleolimnology
5. Palaeobotany and palynology

In the wake of topical research issues such as global change and energy resources, one can recognize two priority targets for the study of fossil plant remains: - insight into the role of land plants and phytoplankton as monitors, recorders, motors and moderators of climatic and environmental change; -insight into the predictive value of organic remains with respect to genesis, composition, occurrence, quality and quantity of fossil fuel reserves. In harmony with these targets, current research at the Laboratory of Palaeobotany and Palynology (LPP) is aimed to provide for basic contributions to the palaeoecological study and interpretation of Palaeozoic, Mesozoic and Cenozoic plant life. Four interconnected areas of scientific emphasis are currently distinguished: - biotic change: documentation and causal analysis of changes of past plant biota in terrestrial and marine environments, both at short and long time-scales; - selective preservation: identification of the biological, physical and chemical factors that determine selective preservation of organic matter during transport, sedimentation and burial; - methodology: development and introduction of new analytical methodology relevant to the study and interpretation of fossil plant remains; - systematics: generation and compilation of systematic data aimed at the accurate identification and classification of fossil plant remains. Overview of results LPP strives after a balance between the study of land plant remains and organic-walled marine phytoplankton (mainly dinoflagellates). Research objectives are related to both short (latest Pleistocene-Holocene) and long time-scales (late Palaeozoic-Cenozoic). Short time-scales Modern land plant communities can be understood only in the light of their history since the onset of the last deglaciation (15,000 yr BP). In western and southern Europe this history is governed by the climatically induced spread of forest communities and their subsequent recession as man's influence expanded. Through fine-scale analysis (temporal and spatial, as well as systematic), of assemblages of microscopic and macroscopic plant remains, research concentrates on the accurate discrimination between autogenic, climatically induced, and anthropogenic vegetational change in contrasting physiographic entities: (1) crystalline mountains in France and the Iberian peninsula; (2) landscapes characterized by Pleistocene-Holocene eolian (sand, loess) deposition in the Netherlands and Germany; (3) fluvial plains in the Netherlands; (4) littoral landscapes in Portugal, and (5) Arctic landscapes of Spitsbergen, Jan Mayen and Greenland. Following earrlier research experiences with respect to the palaeoecological analysis of pollen assemblages from the Vosges (France), in the research period special attention was given to deciphering the complex, altitude related, late Pleistocene-Holocene pollen signals from other low mountain ranges. Results have demonstrated that the spatial distribution of vegetation patterns can be followed through time by recognizing: (1) common time-proportionate trends in pollen values, and (2) local pollen components characteristic for altitudinal vegetation zones and lake/mire development. Long time-scales For the recognition and evaluation of biotic change on long time-scales, LPP concentrates on the study of land plant and phytoplankton records from sedimentary successions that contrast with respect to: (1) time of formation (selected late Palaeozoic, Mesozoic and Cenozoic intervals); (2) paleotectonic and palaeogeographic history (intracratonic; passive and active plate margins); (3) depositional environment (terrestrial to deep-marine); and (4) biogeographic provinciality. Temporal and spatial distribution patterns of plant remains are explored for proxy variables indicative of terrestrial and marine environmental change. Investigated variables include land temperature, humidity, precipitation, runoff, sea-level, sea surface temperature, salinity, nutrient supply, productivity, organic burial rate and CO2 level. In the review period particular attention has been given to the development of palaeoecological models of dinoflagellate cyst distribution in marine sediments. It has been shown that: (1) the potential of dinoflagellates in Mesozoic and Cenozoic time-resolution may frequently exceed that of planktonic foraminifera and calcareous nannoplankton, and (2) dinoflagellates can be applied in novel ways to further the environmental understanding of depositional sequences and sedimentary cycles defined by physical (seismic, sedimentological) analysis. Although research related to global change programmes is generally restricted to the Late Tertiary-Quaternary, there is one notable exception. It is recognized that a better understanding of the patterns and processes of past mass extinctions can contribute to an understanding of present and future man-induced extinction processes. Work by LPP concentrates on the profound biotic crises at the Permian/Triassic (P/Tr) and Cretaceous/Tertiary (K/T) junctions. Study of the P/Tr land plant record has now revealed ecosystem collapse in the terrestrial biosphere. At the K/T junction, it has been demon-strated that dinoflagellates have remained immune to extinction. Independent of configurations predicted by meteorite-impact or massive volcanism, therefore, palynological studies enable high-resolution reconstruction of environmental change, both during pre-crisis times and the phases of K/T ecosystem decline and recovery.

Geology palaeobotany Climate variability Climate Climate change palynology Sediments
6. Radionukleider i Grønlandske miljøprøver - Radionuclides in Greenlandic environmental samples

1: Cs-137 trend in marine sediments from East and West Greenland - to be compared with As data 2: Cs-137 in Greenland reindeer from areas with and without lichen

Greenland Cs-137 Radionuclides Marine sediments Reindeer Sediments
7. Biological core programme

The major aim in AMAP is to monitor the levels of anthropogenic contaminants in all major compartments of the Arctic environment, and assess the environmental conditions in the area. This core programme will provide the Danish/Greenlandic authorities with data which make it possible to take part in the international AMAP programme under the Arctic Council. In order to monitor the levels of anthropogenic pollutants, samples will be collected and analysed. The measured components will include heavy metals and persistent organic pollutants in order to allow for spatial and temporal trends in Arctic biota. The program has taken in consideration the recommended importance of persistent organic pollutants and mercury and the importance of the marine food chain. The core program focuses on areas with high population density or areas with high levels of pollutants in the environment.

Organochlorines PCBs Heavy metals Fish Radioactivity PAHs Spatial trends Environmental management Caribou Terrestrial mammals Arctic Persistent organic pollutants (POPs) Seabirds Reindeer Dioxins/furans Sediments Pesticides Temporal trends Marine mammals
8. Thuleundersøgelse-1997

The benthic marine environment in Bylot Sound off the Thule Air Base was contaminated with ca. 1.4 TBq 239,240Pu (ca. 0.5 kg) in 1968. The site was revisited August 1997 aiming mainly at a new inventory estimate and at quantifying transfer to benthic biota.

plutonium Radionuclides Sediments americium benthos