Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-21T01:42:32Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 97 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]LD2012-d18O-Native-age 112.81,-66.77,112.81,-66.77 0174-01-01T00:00:00Z 2007-12-31T00:00:00Z 2013-02-06T05:00:00Z

The LD2012-d18O-Native-age record is the annual mean water isotope (d18O) record for the "DSS" (Dome Summit South) Law Dome ice core with extensions (e.g. As described in van Ommen et al., Nature ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM03 70.332,-70.561,70.333,-70.56 2005-12-13T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM03 borehole drilled mid-December 2005. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM03_video 70.332,-70.561,70.333,-70.56 2005-12-13T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM03 borehole drilled mid-December 2005. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM04 70.29,-69.9,70.3,-69.89 2006-01-10T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM04 borehole drilled mid-January 2006. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM04_video 70.29,-69.9,70.3,-69.89 2006-01-10T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM04 borehole drilled mid-January 2006. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM05 69.6805,-70.2292,69.6805,-70.2292 2009-12-19T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM05 borehole drilled mid-December 2009. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM06 71.3679,-70.2428,71.3679,-70.2428 2010-01-07T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM06 borehole drilled early January 2010. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]steffen_0732946 2009-01-01T00:00:00Z 2011-10-01T00:00:00Z 2013-01-07T05:00:00Z

Our ground penetrating radar surveys focused on key structural features of the ice shelf, including basal crevasses, marine ice and rifts. Here we present our published work on basal crevasses. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]Neutron-Monitor-era-annual-10Be 112.8,-66.7667,112.8,-66.7667 1936-01-01T00:00:00Z 2009-12-31T00:00:00Z 2012-12-21T05:00:00Z

Annually-resolved 10Be concentrations, stable water isotope ratios and accumualtion rate data from the DSS site on Law Dome, East Antarctica (spanning 1936-2009) and the Das2 site, south-east Greenland ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]highres_10be_records_law_dome_1999_2009 112.8,-66.77,112.8,-66.77 1999-01-01T00:00:00Z 2009-12-31T00:00:00Z 2012-12-21T05:00:00Z

This file comprises five high-resolution records of 10Be concentration in snow from Law Dome, East Antarctica: DSS0102-pit, DSS0506-pit, DSS0506-core, DSS0809-core and DSS0910-core. A single composite ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]10Be-Law-Dome-10-year-composite 112.8,-66.77,112.8,-66.77 1999-12-01T00:00:00Z 2009-12-31T00:00:00Z 2012-12-21T05:00:00Z

This record comprises composite 10Be concentrations from three Law Dome ice cores (DSS0506-core, DSS0809-core and DSS0910-core). Sample dating is revised from that presented in Pedro et al., clim. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AIS_1968_borehole 65.0,-74.0,74.0,-68.0 1968-08-30T00:00:00Z 1969-01-31T00:00:00Z 2012-12-10T05:00:00Z

In 1968 the Australian Antarctic Division had a group of four men spend over a year on the Amery Ice Shelf. As part of their program of work, they drilled a number of boreholes on the shelf and took ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]mbs_wilhelm_msa_hooh 86.082,-69.13,86.084,-69.12 1984-01-01T00:00:00Z 1998-12-31T00:00:00Z 2012-11-07T05:00:00Z

This work presents results from a short firn core spanning 15 years collected from near Mount Brown, Wilhelm II Land, East Antarctica. Variations of methanesulphonic acid (MSA) at Mount Brown were ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]law_dome_700yr_ion_chem 112.8,-66.77,112.8,-66.77 1988-01-01T00:00:00Z 2000-03-06T00:00:00Z 2012-11-07T05:00:00Z

A compilation of 700 years of Law Dome major ion chemistry data, recorded from 3 ice cores; DSS97, DSS99, DSS main. This work was completed as part of ASAC project 757 (ASAC_757). Species which ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAS_3203 158.8,-54.68,158.9,-54.56 2009-09-30T00:00:00Z 2012-03-31T00:00:00Z 2012-10-22T04:00:00Z

Metadata record for data from AAS (ASAC) Project 3203 See the link below for public details on this project. Public Summary High-order predators rely on the productivity of the Southern Ocean marine ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]summer_sea_salt_1000-2009 112.8,-66.77,112.8,-66.77 1987-01-01T00:00:00Z 2010-12-31T00:00:00Z 2012-10-10T04:00:00Z

This data set is the logged, annualised summer sea salt (December to March, DJFM) concentrations from the Law Dome ice core chemistry record, spanning 1000-2009 AD (dates apply to the year of JFM, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_757 112.75,-66.75,112.85,-66.65 1994-01-01T00:00:00Z T00:00:00Z 2012-09-20T04:00:00Z

Prediction of future climate change requires knowledge of past changes. Polar snow forms an archive of environmental conditions that is accessible by drilling and analysing ice cores. This project ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]das_0632031 2012-06-22T04:00:00Z

This award supports a project to gather data to better understand the mass balance of the West Antarctic Ice Sheet focusing on the Pine Island and Thwaites Glaciers along the Amundsen Sea coast. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAD_Publications -180.0,-90.0,180.0,-30.0 1947-01-01T00:00:00Z T00:00:00Z 2012-06-19T04:00:00Z

This database is a catalogue for the list of publications held by the Australian Antarctic Division. The database is available online at the URL given below. In some cases, pdf downloads are available, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]scambos_0732921 63.0,-65.0,59.0,-60.0 2008-05-01T00:00:00Z 2013-04-30T00:00:00Z 2012-06-18T04:00:00Z

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 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_757_LD_d18O 112.8,-66.8,112.9,-66.7 2010-04-08T00:00:00Z 2010-04-08T00:00:00Z 2012-06-04T04:00:00Z

LD2.1ky-grid4y - Law Dome d18O data 2100BP (Present=2000AD) to 1996 as 4-year averages. Data set used in: Jones, P.D. and M.E. Mann, Climate Over Past Millennia, Rev. Geo. 42(2), RG2002, doi:10.1029/2003RG000143, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2393 65.0,-56.0,75.0,-50.0 2003-09-30T00:00:00Z 2005-03-31T00:00:00Z 2012-05-25T04:00:00Z

Metadata record for data from ASAC Project 2393 See the link below for public details on this project. ---- Public Summary from Project ---- This project seeks to monitor Holocene-Quaternary variability ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]G02201 -180.0,-90.0,180.0,90.0 1882-01-01T00:00:00Z 2007-12-31T00:00:00Z 2012-05-13T04:00:00Z

The International Polar Year Historical Data and Literature collection (formerly known as the Discovery and Access of Historic Literature from the IPYs (DAHLI) project) is an online data collection ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3064 112.81,-66.75,112.85,-66.71 2008-09-30T00:00:00Z 2009-03-31T00:00:00Z 2012-05-03T04:00:00Z

Metadata record for data from AAS (ASAC) Project 3064. Public 10Be and 7Be are naturally-occurring radioactive isotopes produced in the Earth's atmosphere and surface by cosmic rays, at a rate controlled ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1004 111.0,-66.8,114.0,-65.8 1976-06-30T00:00:00Z T00:00:00Z 2012-04-04T04:00:00Z

Air from the ice and firn (compressed snow) of the Antarctic ice sheet will be extracted and measured for atmospheric composition in the past. Gases of interest are greenhouse gases (carbon dioxide, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NIPR_GEO_RADIOCARBON 39.0,-69.9,41.43,-68.45 1961-01-25T00:00:00Z 1996-02-06T00:00:00Z 1960-01-01T00:00:00Z 2009-03-26T00:00:00Z 2012-04-04T04:00:00Z

A map and booklet are available (special map series of National Institute of Polar Research, No. 6).

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NUS_icecore_BC 7.983333,-82.816666,54.88333,-73.71667 1850-01-01T00:00:00Z 2000-12-31T00:00:00Z 2012-03-21T04:00:00Z

Six ice core records of refractory black carbon were developed from ice cores drilled during the Norwegian-U.S. Scientific Traverse of East Antarctica from 2007 to 2009. The ice cores were drilled ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2534 -180.0,-70.0,180.0,-60.0 2004-12-01T00:00:00Z 2005-03-31T00:00:00Z 2012-03-16T04:00:00Z

Metadata record for data from ASAC Project 2534 See the link below for public details on this project. The Holocene sea-ice project brings together for the first time, records from the Antarctic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3103 90.0,-80.0,130.0,-66.0 2008-09-30T00:00:00Z 2010-03-31T00:00:00Z 2012-03-16T04:00:00Z

Metadata record for data from AAS (ASAC) project 2936. Public The ICECAP Project will conduct a major airborne survey in East Antarctica. The survey will employ multi-frequency ice penetrating radar, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1236 143.0,-73.0,170.0,-67.0 2003-09-30T00:00:00Z T00:00:00Z 2012-03-14T04:00:00Z

Metadata record for data from ASAC Project 1236 The dataset will include snow accumulation time series 1980-2000, with major ion chemistry, stable oxygen isotopes. ---- Public Summary from Project ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_884 72.0,-68.1,72.1,-68.0 1995-09-30T00:00:00Z 1998-03-31T00:00:00Z 2012-02-28T05:00:00Z

This project is very closely related to ASAC project 666 (ASAC_666). See that project for more details. A copy of the masters thesis arising from the project is attached to the record. Physical ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]trace_metals 75.0,-76.0,180.0,-65.0 1994-09-21T00:00:00Z 1998-03-31T00:00:00Z 2012-01-13T05:00:00Z

Iron, manganese and aluminium concentrations have been determined in modern and ancient East Antarctic snow from sea-ice and continental sites. Modern snow samples were collected from sites in Prydz ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Cassiope_Arctic_Climate_Proxy_Weijers_IPY59_NL 11.9,68.4,18.8,78.9 2008-01-15T00:00:00Z 2012-01-14T00:00:00Z 2012-01-03T05:00:00Z

Annual stem length, annual number of leaves, annual average leaf length, annual total leaf length and leaf lifespan. All of Cassiope tetragona. These parameters were measured at three sites: Ny-?lesund ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_987 60.0,-90.0,160.0,-42.0 1996-09-30T00:00:00Z 1999-03-31T00:00:00Z 2011-12-20T05:00:00Z

This project has no actual data to archive, but several pdf copies of publications produced from this work are available for download to AAD staff only from the provided URL. Taken from the abstracts ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1224 71.0,-69.0,72.5,-68.9 2000-09-30T00:00:00Z 2005-03-31T00:00:00Z 2011-12-08T05:00:00Z

Metadata record for data from ASAC Project 1224 See the link below for public details on this project. ---- Public Summary from Project ---- Ice core drilling is used to extract information from glacial ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]hamilton_0440792 0.0,-90.0,166.67,-77.85 2011-12-01T05:00:00Z

This award supports a series of field measurements that will improve our understanding of the East Antarctic ice sheet. The objectives of this project are to take advantage of the overland traverse ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1166 78.18,-68.48,78.19,-68.47 2000-11-01T00:00:00Z 2000-11-30T00:00:00Z 2011-11-29T05:00:00Z

---- Public Summary from Project ---- The lakes and fjords of the Vestfold Hills region of Antarctica provide unique ecosystems for studying environmental changes in Antarctica over the past 8000 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_904 158.0,-55.0,159.0,-54.0 1995-09-30T00:00:00Z 1996-03-31T00:00:00Z 2011-11-29T05:00:00Z

Macquarie Island is an emergent part of the Macquarie Ridge Complex composed of ocean-floor rocks of Miocene age now 4000 m above the ocean floor. Anumber of landforms, including palaeobeaches now ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_143 162.0,-73.0,166.0,-71.0 1974-09-01T00:00:00Z 1975-03-31T00:00:00Z 1981-09-01T00:00:00Z 1982-03-31T00:00:00Z 2011-11-29T05:00:00Z

Most of the material refers to northern Victoria Land and was collected over two summer seasons (1974-75 with NZARP and in 1981-82 as part of the International North Victoria Land Expedition which ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_53 67.5,-71.5,68.0,-70.0 1987-09-30T00:00:00Z 1990-03-31T00:00:00Z 2011-11-29T05:00:00Z

From the abstract of the referenced papers: The northern Prince Charles Mountains overlook the western side of the 700km long Lambert Glacier-Amery Ice Shelf drainage system. Within these mountains, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_259 70.0,-69.0,88.0,-48.0 1987-12-14T00:00:00Z 1988-02-21T00:00:00Z 2011-11-21T05:00:00Z

This data were collected as part of the Ocean Drilling Program. All data were collected on Leg 119. The cruise for Leg 119 began at Port Louis Harbor, Mauritius, and finished at the Port of Fremantle, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_258 70.0,-69.0,88.0,-48.0 1987-12-14T00:00:00Z 1988-02-21T00:00:00Z 2011-11-21T05:00:00Z

This data were collected as part of the Ocean Drilling Program. All data were collected on Leg 119. The cruise for Leg 119 began at Port Louis Harbor, Mauritius, and finished at the Port of Fremantle, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1 65.0,-73.0,69.0,-69.0 1989-09-30T00:00:00Z 1993-03-31T00:00:00Z 2011-11-17T05:00:00Z

From the abstracts of some of the referenced papers: Megafloral remains recovered from the Jetty Member and the upper part of the Flagstone Bench Formation, Amery Group include Dicroidium and Pagiophyllum. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_706 77.96739,-68.576614,77.96739,-68.576614 1994-11-01T00:00:00Z 1995-02-28T00:00:00Z 2011-11-15T05:00:00Z

Data set contains sediment cores from three saline lakes in the Vestfold Hills. The three lakes are Ace Lake, Lake Pendant and Lake Abraxas. Short cores from each lake are sectioned into 1 cm intervals. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]law_dome_annual_msa 112.8,-66.77,112.8,-66.77 1841-01-01T00:00:00Z 1995-12-31T00:00:00Z 2011-10-11T04:00:00Z

This MSA record (1841-1995) is from a Law Dome ice core called "DSS" in East Antarctica. It was calibrated against satellite sea ice records and used to reconstruct sea ice extent prior to the satellite ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]deglacial_water_isotope_composite_gicc05 112.8,-66.77,112.8,-66.77-119.52,-80.02,-119.52,-80.02-148.82,-81.67,-148.82,-81.670.07,-75.0,0.07,-75.0159.18,-72.82,159.18,-72.82 1994-07-01T00:00:00Z T00:00:00Z 2011-10-11T04:00:00Z

Precise information on the relative timing of north-south climate variations is a key to resolving questions concerning the mechanisms that force and couple climate changes between the hemispheres. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]air_methane_lawdome 112.8,-66.771,112.81,-66.77 1988-01-01T00:00:00Z 1993-12-31T00:00:00Z 2011-10-11T04:00:00Z

This work was completed as part of ASAC project 757 (ASAC_757). This file comprises three main records compiled for publication in the following: V. Morgan, M. Delmotte, T. van Ommen, J. Jouzel, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]DSS_age_scale 112.8069,-66.7697,112.8069,-66.7697 1987-12-01T00:00:00Z 2002-08-02T00:00:00Z 2011-10-11T04:00:00Z

Records of methane, and oxygen isotopes (ice and air) for Law Dome DSS (Dome Summit South) core through the last deglaciation (9000-19000 before present). Data are obtained from the entire DSS core, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_757_LD2000 112.8,-66.8,112.9,-66.7 1800-01-01T00:00:00Z 1999-12-31T00:00:00Z 2011-10-11T04:00:00Z

"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., van Ommen, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAS_757_LDAccu2005 112.8013,-66.7772,112.8114,-66.7695 1248-01-01T00:00:00Z 2005-12-31T00:00:00Z 2011-10-11T04:00:00Z

This file comprises three main records compiled for publication in the following: van Ommen, T. D. and V. Morgan (2010). Snowfall increase in coastal East Antarctica ...