Parameters > PALEOCLIMATE

Refine by Category Please select a field Projects Data Centers Locations Instruments/Sensors Platforms/Sources Science Keywords Spatial Coverage Temporal Coverage ------------------- Parent Records Only Children Records Only Include Global Land Include Global Ocean   Refine by Full text

1238 Titles Match Your Query Showing 1 through 50 of 1238 1. A reconstruction of the record of volcanic processes within the vent of a large and explosive basaltic eruption in the Mawson Formation in the Allan Hills [K061_2001_2002_NZ_2] The contact relationship between volcanic deposits and surrounding country rocks of the Beacon Supergroup are steep over a large area. Beyond the landslide deposits along the contact between ... 2. Geochemistry, paleomagnetism and intrusive history of the Ferrar Dolerites, Antarctica [K061_2004_2007_NZ_1] A suite of geological samples were collected in the Transanatarctic Mountains for paleomagnetic and geochemical analysis. Combined with field observations, these samples will help determine ... 3. Investigation into the Mawson Formation volcanics of southern Allan Hills and comparisons with northern Allan Hills and Carapace Nunatak [K061_2003_2004_NZ_1] The thick, laterally continuous block-rich volcaniclastic layer of the southern Allan Hills area was examined to determine their source and mode of emplacement. Extensive geological mapping ... 4. Investigation of the shape, scale and distribution of irregular zones of fragmental rocks of the Mawson Formation at Coombs Hill to determine the precesses of volcanic vent evolution [K061_2002_2003_NZ_1] The shape, scale and distribution of irregular zones of fragmental rocks within the overal chaotic deposits of the lower 300m of the Mawson Formation at Coombs Hills was determined. The chaotic ... 5. Mapping of the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions of the Mawson Formation in the Allan Hills as an indication of phreatomagmatic eruption processes [K061_2001_2002_NZ_1] Phreatomagmatic eruptions are common and dangerous worldwide. How large explosive event complexes evolve during eruptions, the processes that drive the evolution and what is in the rock record ... 6. The direction of magma flow and behaviour of the magma in the formation of the Ferrar Large Igneous Province 180 million years ago, Pandora Spyre and Terra Cotta Mountain, Victoria Land [K061_2007_2008_NZ_1] Exposed at Terra Cotta Mountain and Pandora Spyre are vertical bladelike bodies of basaltic rock which cut across older pale colored sedimentary rocks. The pathway the magma took to the earth's ... 7. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Coombs Hills, Victoria Land [K061_2005_2006_NZ_1] Exposed at Coombs Hills are vertical bladelike bodies of basaltic rock that cut across older white sedimentary rocks and through deposits of a Jurassic volcanic complex (Mawson Formation). ... 8. The direction of magma flow in the formation of the Ferrar Large Igneous Province 180 million years ago, Mt Gran and Terra Cotta Mountain, Victoria Land [K061_2004_2005_NZ_1] An outcrop of the 'plumbing system' of one of the largest volcanic events known was investigated at Mt Gran and Terra Cotta Mountain (Victoria Land) to determine how magma reached the surface ... 9. The physical features and dynamics of Ferrar dolerite dykes and sills within the Allan Hills, Victoria Land [K061_2006_2007_NZ_1] At Allan Hills, dykes and sills are respectively sub-vertical and sub-horizontal magma bodies of fine textured basaltic rock, remnants of the formation of the Ferrar Large Igneous Province ... 10. Volcanology and sedimentology of the phreatomagmatic eruptive system of the Mawson Formation in Coombs Hills, Victoria Land, Antarctica [K061_1999_2000_NZ_1] The volcanology and sedimentology of a phreatomagmatic eruptive system in the Coombs Hills, Victoria Land was investigated to determine how magmatism is initiated and evolves during continental ... 11. WAIS Divide Biological Data from J. Priscu and C. Foreman, Montana State University [Paleo_Records_of_Biotic_and_Abiotic_Particles_in_Polar_Ice_Cores] Data from J. Priscu and C. Foreman, Montana State University. WAIS Divide core (WDC05Q, Stick D). Ice core samples were decontaminated following (Christner et al., 2005 Icarus, 174: 572-584) and ... 12. Evans Piedmont Glacier clean snow pit sampling for recent decade trace element record and AWS (2004-2008) data collection [K049_2007_2008_NZ_1] A 4m snow pit from the Evans Piedmont glacier, Victoria Dry Valleys was sampled using ultra-clean methodology at 1cm resolution and was used to provide a comparison of trace element seasonal ... 13. GPR/GPS surveys and analysis of a firn core from the Gawn Ice Piedmont Glacier to examine Holocene climate history [K049_1999_2008_NZ_11]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 14. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Evans Piedmont Glacier, Victoria Land Coast Antarctica [K049_1999_2008_NZ_6]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 15. Holocene climate history from ice cores, snow profiles, the glacial system and local climate patterns from the Mt Erebus Saddle, Antarctica [K049_1999_2008_NZ_7]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 16. Holocene climate history from investigations of the glacial system, ice cores and local climate patterns from Skinner Saddle, Victoria Land Coast Antarctica [K049_1999_2008_NZ_10]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 17. Holocene climate history from the Victoria Lower Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_2]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 18. Holocene climate history obtained from ice cores, snow profiles (density, chemistry, structure), snow samples (dust origin) and climate measurements from the Baldwin Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_3]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 19. Holocene climate history obtained from snow profiles (chemistry, dust flux, temperature, structure), firn cores and climate measurements from the Wilson Piedmont Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_4]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 20. Investigation of the Holocene climate history from analysis of the glacial system, ice cores and snow samples from the Whitehall Glacier, Victoria Land Coast, Antarctica [K049_1999_2008_NZ_9]   PARENT DIF To understand the drivers and consequences of climate change on timescales important to humans, the paleoclimate of ice cores, the glacial system and local climate patterns were analysed from ... 21. Investigation of dust inputs into McMurdo Sound, oxygen and hydrogen isotopes and snow/firn density from firn cores from Windless Bight, Antarctica [K049_1999_2008_NZ_8]   PARENT DIF Two firn cores (21m and 20m) were recovered from Windless Bight to quantify dust input into the McMurdo Sound. In addition, oxygen and hydrogen isotopes as well as snow/firn density were measured. ... 22. New Zealand International Transantarctic Scientific Expedition (NZ ITASE) - Climate variability measured from ice cores taken along the Victoria Land Coast [K049_1999_2008_NZ_1]   CHILD DIFs The climate of the Victoria Land Coast is created by the interacting influences of the Dry Valleys, East Antarctic Ice Sheet and the Ross Sea. Slight changes can significantly alter local weather ... 23. Snow profiles (analysed for snow chemistry, isotope ratios dust flux and mineralogy) along a transect from the coast towards the East Antarctic Ice Sheet to interpret Holocene climate records [K049_1999_2008_NZ_5]   PARENT DIF In order to interpret the climate record contained in the ice cores from Victoria Lower Glacier it was necessary to trace air mass trajectories to distinguish between marine and continental ... 24. Millennial Scale Fluctuations of Dry Valleys Lakes: Implications for Regional Climate Variability and the Interhemispheric (a)Synchrony of Climate Change [berger_0124049] This Collaborative Research award supports a project headed by Dr. B. Hall to add to the understanding of what drives glacial cycles near the McMurdo Dry Valleys. Her project aimed to integrate ... 25. GPR profiles and sediment samples from raised beaches along the McMurdo Sound coast to understand the composition, make up and mode of contruction of the beaches [K015_1998_2000_NZ_1] Due to the continued uplift of the coastline as a response to the retreat of the last glacial maximum ice sheet, beaches are raised above the level of wave and ice push activity and are essentially ... 26. Mapping and sampling of ice moulded bedrock, erratic boulders, moraines and calcite precipitates for exposure age dating using cosmogenic nuclides, from the Rennick Glacier area, north Victoria Land [K015_2000_2002_NZ_1] A detailed assessment of the history of local ice dome and outlet glacier fluctuations in the Rennick Glacier area of north Victoria Land, which contains a record of global climate driven outlet ... 27. Ice core data from Dome Fuji, Antarctica [NIPR_PMG_ICECORE_ANT] Stable isotopes, ion chemistry and dust data from a deep ice core retrieved at Dome Fuji. 28. Radiocarbon dates in the Lutzow-Holm Bay (Antarctica) Region [NIPR_RADIOCARBON] A map and booklet are available (special map series of National Institute of Polar Research, No. 6). 29. Inert Gases in Firn Air and Shallow Ice at the WAIS Divide Site [severinghaus_0440701] This data set includes inert and major gases (elemental and isotopic composition) in firn air and occluded air in shallow boreholes from the WAIS Divide site. The three primary ... 30. Monitoring of glacial dynamics in Johnson Dock (Livingston Island) [CNDA-ESP_ANT95-1628-E] In English: The techiniques used to extrapolate seasonal behaviour to annual behaviour, were: - A Geodolite 504 to measure the position ... 31. LD2000 isotope stack – Law Dome d18O data 1800-1999 as annual averages [ASAC_757_LD2000] "LD2000" Isotope record: 1800AD-1999AD" This data set is that used in Schneider et al., 2006 and should be cited as such: Schneider, D. P., Steig, E. J., ... 32. Bottom samples from Larsen Ice Shelf, NW Weddell Sea region [Larsen_NW_Weddell_cores] United States Antarctic Program cruises LMG04-04, LMG05-02, and NBP06-03 conducted bottom sampling operations in the Northwest Weddell Sea and in the Larsen-A and Larsen-B embayments, regions ... 33. Biostratigraphic collections of Devonian fish fossils from Middle Devonian Aztec Siltstone at the top of the Taylor Group (Beacon Supergroup) and sediment studies for a basin analysis [K026_1991_1992_NZ_1] Using toboggans and sledges, the party travelled 700 kilometres from the Darwin Glacier northwards to the Lashly Mountains to study Taylor Group sedimentary rocks (Beacon Supergroup). The ... 34. Examination of the Buckeye Tillite formation, the trace fossils within the Devonian Horlick formation and the Permian Coal Measure in the Ohio Range of the Horlick Mountains [K026_1983_1984_NZ_1] A second season of field work was undertaken in the Ohio Range of the Horlick Mountains as a three fold geological study to complete the stratigraphy of the area. This included an analysis ... 35. Sedimentological and palaentological examination of the Devonian Horlick formation in the Ohio Range of the Horlick Mountains [K026_1979_1980_NZ_1] 15 sections of the Horlick formation were measured in detail along the Ohio escarpment from Discovery Ridge to Lackey Ridge. The Ohio Range contains the only well exposed record of unequivocally ... 36. The Devonian trace fossils of the Taylor Group in the Darwin Glacier area [K026_1988_1989_NZ_1] The principle aim of this expedition was to extend the knowledge of Devonian trace fossils in the Taylor Group in the Darwin Glacier area, to relate them to earlier published research in the ... 37. Trace fossils and their relationship to the sediment in the Beacon supergroup [K026_1976_1977_NZ_1] The trace fossils in Devonian age sediments of the Lower Beacon supergroup were observed and measured to determine their relationship to sediment. Although they are not age diagnostic, the ... 38. Neogene Ice Streams and Sedimentary Processes on High-Latitude Continental Margins [CNDP-ESP_POL2006-07390_NICE-STREAMS] The evolution of continental margins from temperate to polar conditions is still poorly known. There are increasing evidences collected in the Arctic and Antarctic margins that the high sediment ... 39. Collaborative Research: Paleohistory of the Larsen Ice Shelf System: Phase II: Diatom Data [Larsen_Diatoms] This data set includes absolute counts and relative abundances of diatom species from samples collected during cruises LMG0502 and NBP0603 on the research vessels LM Gould and NB Palmer. ... 40. Larsen Ice Shelf, Andvord Drift, McMurdo Sound Foram 18O and 13C Data [Antarctic_Foram_Isotopes] There are four isotope data sets. 1) Foram 18O and 13C data (n=70) for SMG samples collected on NBP cruises 2000-03 and 2001-07 to the Larsen Ice Shelf region ... 41. Oklahoma Geological Survey (OGS) Cores; National Geoscience Data Repository System (NGDRS) [NGDRS_OGS_CORES] The Oklahoma Geological Survey (OGS) Cores database within the National Geoscience Data Repository System provides information on the sample type, quality, depth, ... 42. Lead isotopes and heavy metals in highly resolved Law Dome accumulation and Talos Dome firn and as tracers of Australian/Southern African dust input to East Antarctica during present mild climatic conditions [ASAC_2786] Metadata record for data expected from ASAC Project 2786 See the link below for public details on this project. Public Summary: Studies of metals in Antarctic ice show ... 43. PANGAEA - Publishing Network for Geological and Environmental Data [PANGAEA] The information system PANGAEA is a public data library aimed at archiving, publishing and distributing georeferenced data from earth system research. Data are are freely available. The ... 44. PANGAEA- Network for Geological and Environmental Data at the Alfred Wegener Institute for Polar- and Marine Research, Germany. [AWI-SEPAN] The information system PANGAEA is a public data library on the Internet aimed at archiving, publishing and distributing geocoded data with special emphasis on environmental, marine ... 45. Battye Glacier Formation Paleontology and Sedimentology, Beaver Lake Region, Antarctica [ANDRILL_Pagodroma_Group] Glacimarine strata of the Battye Glacier Formation (c.130 m thick), Pagodroma Group, exposed in the Amery Oasis of East Antarctica, provide a record of late Miocene palaeoenvironmental ... 46. East Antarctic glacial history through microfossil analyses of the Pagodroma Group [David_Harwood] These results provide information on the biostratigraphic age, depositional environment and paleoclimate setting for four formations of the Pagodroma Group of glacial deposits. ... 47. Oligocene calcareous nannofossils from Cape Roberts Project cores 2A and 3 [CPROBERTS_OLG_NANOFOSSILS] This data set includes calcareous nannofossil counts from samples collected during the Cape Roberts Project drilling in the Victria Land Basin. Specimens were identified to species ... 48. Sedimentology of Antarctic Peninsula drift deposits recovered at ODP Sites 1095 and 1101 [ODP1095-1101-sedimentology] Data include the percent of terrigenous and opaline components, mass accumulation rates of each, grainsize of the terrigenous component, and magnetic fabric (anisotropy of magnetic susceptibility). ... 49. Exposure ages of glacial deposits, South Shetland Islands [2008_SOUTH_SHETLANDS_UW_COSMOGENIC_NUCLIDE_DATA] This data set contains cosmogenic nuclide exposure ages for glacial deposits on Livingston and King George Islands, in the South Shetlands archipelago. The majority come from moraines on the ... 50. Global Land Environments since the Last Interglacial, Compiled by Jonathan Adams [INTERGLACIAL_LAND_MAPS] The paleo-ecosystems maps are based on simple compilations of the available information in the literature, relying heavily on the conclusions given by review papers for each subregion. Dates ... Showing 1 through 50 of 1238