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51. Optically Stimulated Luminescence Ages of Raised Beaches [Antarctic_Peninsula_Raised_Beaches]
This data set includes optically stimulated luminescence (OSL) ages and elevations obtained from raised beach ridges across the Antarctic Peninsula.

52. Glacial Assessment: Past, Present and Future: Acquisition of Essential Research Instrumentation [vanderveen_OPP0321053]
The NSF OPP award # 0321053 supported a Major Research Instrumentation (MRI) purchase of equipment for Ohio State University's Glacial Assessment Program (GAP). The program has three major ...

53. PANGAEA - Data Publisher for Earth & Environmental Science [PANGAEA]
PANGAEA is a public data library aimed at archiving, publishing and distributing georeferenced data from earth system research. Data are described by standard metadata and published in Open Access. ...

54. Sediment geochemistry and dates for East Antarctic Sediment Cores [E_Antarctic_Margin_Sed_Data]
This data set includes measurements of biogenic Si, organic C, organic N, and C13/N15 from kasten cores and piston cores collected from the East Antarctic Margin during cruise NBP01-1. ...

55. The PALEOMAP Project: Paleogeographic Atlas, Plate Tectonic Software, and Paleoclimate Reconstructions [PALEOMAP_Progress Report #90]
The PALEOMAP project produces paleogreographic maps illustrating the Earth's plate tectonic, paleogeographic, climatic, oceanographic and biogeographic development from the Precambrian to the Modern ...

56. Carbon-13 Isotopic Composition of Atmospheric Methane in Firn Air, South Pole and Siple Dome, Antarctica [NSIDC-0310_1]
This data set includes records of the delta carbon-13 (δ13C) of methane (CH4) in firn air from the South Pole and trapped in bubbles in a short ice core from Siple Dome, ...

57. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach - Cryosphere and Oceans [scambos_0732921]
This award supports the cryospheric and oceano-graphic components of an integrated multi-disciplinary program to address these rapid and fundamental changes now taking place in Antarctic Peninsula ...

58. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach -- Cryosphere and Oceans - LARISSA_0732655 [LARISSA_0732655]
Like no other region on Earth, the northern Antarctic Peninsula represents a spectacular natural laboratory of climate change and provides the opportunity to study the record of past climate and ecological ...

59. Collaborative Research in IPY: Abrupt Environmental Change in the Larsen Ice Shelf System, a Multidisciplinary Approach -- Cryosphere and Oceans - truffer_0732602 [truffer_0732602]
This award supports the cryospheric and oceanographic components of an integrated multi-disciplinary program to address the rapid and fundamental changes now taking place in Antarctic Peninsula (AP). ...

60. Collaborative Research: Combined Physical Property Measurements at Siple Dome [wilen_0440447]
This award supports a two-year collaborative effort to more fully understand the climatic history and physical properties of the Siple Dome, Antarctica deep ice core, to develop a new paleoclimatic ...

61. Collaborative Research: Combined Physical Property Measurements at Siple Dome - Spencer_0917509 [Spencer_0917509]
This award supports a two-year collaborative effort to more fully understand the climatic history and physical properties of the Siple Dome, Antarctica deep ice core. We have released an Excel file ...

62. Dominion Range Snow Pit and Ice Core, 1984 and 1985 [NSIDC-0087_1]
Information from snow pits and an ice core were collected at Dominion Range (location - 166 10' East, 85 15' South, elevation - 2,700m) in 1984-1985. The 6 meter snow pit was dug and sampled in 1984-1985 ...

63. Dronning Maud Land, Antarctica, Ice Core, 1991 and 1992 [NSIDC-0089_1]
Major ion concentration values (Na, Mg, Ca, Cl, NO3, SO4, MSA) were analyzed from a 20-meter ice core drilled in Dronning Maud Land, Antarctica (location - 65 01' East, 75 00' South, elevation - 2,900 ...

64. Dust Logging at Dome C for Abrupt Climate Changes, Large Volcanic Eruptions and Bolide Impacts [bay_0739743]
This award supports a project to make high-resolution logs of dust and ash in the Dome C borehole using an optical dust logger. The dust logger employs a temperature-regulated diode laser at 404 nm ...

65. Late Holocene Climate Variability, Dry Valleys, Antarctica [NSIDC-0399_1]
This data set includes high-resolution ice core records from the Dry Valleys region of Antarctica, and provides interpretations of interannual to decadal-scale climate variability during the last ...

66. Major Ion Chemistry Data of WAIS Divide Ice Core Brittle Ice [NSIDC-0546_1]
The brittle ice section (577-1300 m) of the main WAIS Divide ice core (WDC06A) was analyzed for major ion concentrations with ion chromatography.

67. Nitrogen and Oxygen Gas Isotopes in the Siple Dome and Byrd Ice Cores, Antarctica [NSIDC-0407_1]
This data set consists of Gas-isotopic data from the Siple Dome and and Greenland Ice Sheet Project 2 (GISP2) ice cores covering roughly the last 100,000 years (100 ka), consisting of d15N (15N/14N) ...

68. Optical Logging for Dust and Microbes in Boreholes in Glacial Ice [NSIDC-0403_1]
This data set contains high-resolution logs of dust and microbes measured at the Siple Dome A borehole in Antarctica. The data were obtained using a newly developed optical borehole logger, which ...

69. Stable isotopes in the Moulton ice field horizontal ice, West Antarctica [Moulton_ice_isotopes]
Stable isotope values (delta D, delta 18O and deuterium excess) for the near surface ice at Mt Moulton, West Antarctica. Data measured at INSTAAR, University of Colorado. Standard is ...

70. Trapped Gas Composition and Chronology of the Vostok Ice Core [NSIDC-0311_1]
This data set includes a time scale for the Vostok ice core, retrieved from Vostok Station on the East Antarctic Plateau.

71. IAI-Final Report_ISP1_051: Initial Climate Research Within the Trade Convergence Climate Complex (TC3) [IAIDIS448]
This dataset refers to Final Report of the ISP round I project number 051, which has the name "INITIAL CLIMATE RESEARCH WITHIN THE TRADE CONVERGENCE CLIMATE COMPLEX (TC3)". The goals of this project ...

72. IAI-FinalReport_ISP2_124: Biophysical Coupling in the Pelagic Ecosystem of the Southern Californian Current [IAIDIS516]
This dataset refers to Final Report of the ISP round 2 project number 124, which has the name "BIOPHYSICAL COUPLING IN THE PELAGIC ECOSYSTEM OF THE SOUTHERN CALIFORNIAN CURRENT". The main objective ...

73. IAI-Presentation_CRN_003_Results_1: The Assessment of Present, Past and Future Climate Variability in the Americas from Treeline Environments [IAIDIS602]   PARENT DIF
This dataset makes reference to the presentation used by Dr. Jose Boninsegna (Argentina) to present the results of the CRN project number 003, which has Dr. Brian Luckman as Principal Investigator. ...

74. IAI-Science-ISP-2-011-The Impact of Climate Change on Nearshore Marine Biodiversity in the Gulf of California [IAIDIS476]   PARENT DIF
This dataset refers to Final Report of the ISP round 2 project number 011, which has the name "THE IMPACT OF CLIMATE CHANGE ON NEAR-SHORE MARINE BIODIVERSITY IN THE GULF OF CALIFORNIA". The potential ...

75. IAI-Science-PESCA Program to Expand Scientific Capacity in the Americas [IAIDIS270]   CHILD DIFs
This dataset refers to the approved PESCA projects granted by IAI. This new opportunity, announced by the IAI under the title "Program to Expand Scientific Capacity in the Americas (PESCA)", ...

76. IAI-Science-PESCA-018-Dendrochronological studies of El Nino events and other climactic variations in the tropical zone of South America [IAIDIS394]   PARENT DIF
This granule refers to the PESCA project number 018, which has the name: "Estudios Dendrocronológicos de Eventos El Niño y Otras Variaciones Climáticas en la Zona Tropical de Sudamérica ". (Dendrochronological ...

77. 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 the ...

78. Alaska Radiocarbon Data Base; USGS, Menlo Park [USGS_ALASKA_RADIOCARBON]
This data base contains published radiocarbon dates with entries consisting of laboratory and reference numbers. The data set is subdivided into two segments including RCFILE which contains the radiocarbon ...

79. Alaskan Fossil Identification File [EARTH_LAND_USGS_ALASKA_FOSSILS1]
The data base consists of a compilation of reports made by the U.S. Geological Survey Branch of Paleontology and Stratigraphy concerning the identification of fossils collected in Alaska. Data includes ...

80. Extent of Pleistocene Lakes in the Western Great Basin [USGS_MF-2323_1.0]
The purpose of this map is to show the differences between the extents of late Pleistocene pluvial lakes and older, larger lakes caused by much higher effective moisture during past glacial-pluvial ...

81. Modern and fossil ostracode census data from the Western Pacific Ocean and seas around Japan [USGS-PRISM-PACIFIC-OSTRACODES]
This data set is part of the Pliocene Research, Interpretation, and Synoptic Mapping (PRISM) Project. This data set describes marine ostracode species and related sample and stratigraphic information ...

82. Palynological Data from Pliocene Sediments, DSDP Leg 5 Site 32, Northeastern Pacific Ocean [USGS-OFR-92-712_1.0]
Information about the USGS Open-File Report 92-712 data set (Palynological data from Pliocene sediments, DSDP leg 5 site 32, Northeastern Pacific Ocean) are available On-Line via the World Wide Web: ...

83. Palynological data from a 989-ft (301-m) core of Pliocene and early Pleistocenesediments from Bruneau, Idaho [USGS-OFR-92-713_1.0]
This data set is part of the Pliocene Research, Interpretation, and Synoptic Mapping (PRISM) Program. Information about the data set are available on line vial the World Wide Web at: "http://pubs.usgs.gov/of/of92-713/" ...

84. Planktic Foraminifer Census Data from Northwind Ridge Core 5 Arctic Ocean [OFR_91-346]
The U.S. Geological Survey recovered 9 piston cores from the Northwind Ridge in the Canada Basin of the Arctic Ocean from a cruise of the USCGC Polar Star during 1988. Preliminary analysis of the ...

85. Planktic Foraminifer Census Data from Northwind Ridge Cores PI-88-AR P3, PI-88-AR P7, and PI-88-AR P9, Arctic Ocean [OFR_93-218]
The U.S. Geological Survey recovered 9 piston cores from the Northwind Ridge in the Canada Basin of the Arctic Ocean from a cruise of the USCGC Polar Star during 1988. Preliminary analysis of the ...

86. Pliocene palynomorph censusdata from the Pinecrest Beds (Tamiami Formation) in Quality Aggregates Phase 6 pit, Southwestern Florida [USGS-OFR-93-563_1.0]
The USGS Open-File Report 92-712 data set (Pliocene palynomorph census data from the Pinecrest Beds (Tamiami Formation) in Quality Aggregates Phase 6 pit, Southwestern Florida) is a digital version ...

87. Climate, Land Use, and Environmental Sensitivity (CLUES) [USGS_CLUES]
Vegetation changes caused by climatic variations and/or land use may have large impacts on forests, agriculture, rangelands, natural ecosystems, and endangered species. Climate modeling studies indicate ...

88. Historical CO2 Record from the Siple Station Ice Core (1734-1983), in CDIAC, Online Trends [CDIAC_CO2_SIPLE_ICECORE_Online Trends]
Atmospheric concentrations of carbon dioxide (CO2) have been derived from ice cores in Antarctica. Atmospheric CO2 concentrations for Siple Station (West Antarctica) were derived from measurements ...

89. Historical CO2 Record from the Vostok Ice Core in CDIAC [CDIAC_CO2_VOSTOK_ICECORE_2003]
Atmospheric concentrations of carbon dioxide (CO2) have been derived from ice cores in Antarctica. In January 1998, the collaborative ice-drilling project between Russia, the United States, ...

90. Historical Isotopic Temperature Record from the Vostok Ice Core [CDIAC_VOSTOK_TEMPS_TRENDS_January 2000]
Glacial-interglacial temperature records were derived from the 2083-m ice core from Vostok, Antarctica, obtained during a series of drillings in th early 1970s and 1980. Temperature records ...

91. Historical Methane (CH4) Record from Ice Cores at Byrd Station (Antarctica) and Dye 3 Station (Greenland), in CDIAC, Trends '93 [CDIAC_CH4_BYRD_DYE3]
Atmospheric concentrations of CH4 were extracted from the 2,184-m ice core from Byrd Station (Antarctica) for the period 550 - 51,100 BP in 1967-68 by the U.S. Cold regions Research and Engineering ...

92. Historical Methane (CH4) Record from Ice Cores at Crete, Camp Century (Greenland), and Byrd Station (Antarctica), in CDIAC, Trends '93 [CDIAC_CH4_CRETE_CAMPC_BYRD]
About 80 ice core samples from Crete (drilled 1974) and Camp Century, Greenland (drilled 1961, 1962 and 1963-1966) and Byrd Station, Antarctica (drilled 1968 and 1971) were obtained from ...

93. Historical Methane (CH4) Record from the DE08 Ice Core at Law Dome (Antarctica), in CDIAC, Trends '93 [CDIAC_CH4_DE08]
The 234-m long ice core designated "DE08" was drilled in 1987 on the east side of Law Dome, Abtarctica, by the Australian Antarctic Division. The ice core was analyzed with a fine resolution to date ...

94. Historical Methane (CH4) Record from the Eurocore Ice Core at Summit, Greenland, in CDIAC, Trends '93 [CDIAC_CH4_EUROCORE]
In 1989, an ice core of 304 m was drilled for the Eurocore project at Summit in Central Greenland. The core was dated with an accuracy of +/- 2 years using electrical conductivity measurements and ...

95. Historical Methane (CH4) Record from the Siple (Antarctica) Ice Core, in CDIAC,Trends '93 [CDIAC_CH4_SIPLE]
Ice cores drilled at Siple Station (Antarctica) for 200-m depth were analyzed for CH4 concentrations for the period 1771-1956. Two different methods were used for extracting air in the ice core (dry ...

96. Historical Methane (CH4) Record from the Vostok (Antarctica) Ice Core (157,000-26000 BP), in CDIAC, Trends '93 [CDIAC_CH4_VOSTOK]
Atmospheric concentrations of methane (CH4) have been derived from ice core data in Antarctica for nearly 160,000 years. The 2,083-m-long ice core taken by the Soviet Antarctica Expedition ...

97. Historical N2O Record from Ice Cores at Byrd Station (Antarctica) and Dye 3 (Greenland) in CDIAC, Trends '93 [CDIAC_N2O_BYRD]
Nitrous oxide (N2O) records from the Byrd (Antarctica) 1968 ice core spans the period 43,000 - 800 BP. The N2O record for the Dye 3 ice core in Greenland covers the period from 1781 - 1947 (A.D.). ...

98. Historical N2O Record from Ice Cores at Crete and Camp Century (Greenland) and Byrd Station (Antarctica) in CDIAC, Trends '93 [CDIAC_N2O_CRETE]
Nitrous oxide (N2O) concentrations were derived from samples from the Crete and Camp Century (Greenland) ice cores and from the Byrd Station (Antarctica) ice core obtained from the National Science ...

99. Historical N2O Record from the "BHD" Ice Core at Law Dome (Antarctica) in CDIAC, Trends '93 [CDIAC_N2O_BHD]
Nitrous oxide (N2O) concentrations were obtained from the 473-m-long ice core designated "BHD" from the summit of Law Dome, Antarctica, by the 1977 Australian National Antarctic Research Expedition. ...

100. Dronning Maud Land, Antarctica, Ice Core, 1991 and 1992 [NSIDC-0089]
Major ion concentration values (Na, Mg, Ca, Cl, NO3, SO4, MSA) were analyzed from a 20-meter ice core drilled in Dronning Maud Land, Antarctica (location - 65 01' East, 75 00' South, elevation - 2,900 ...

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