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2018
2000
University (22)Research Institution (1)
1 - 10 of 22
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Publication
ID30014469Published Date2018-10-01JournalJournal of phycology, 2018-10-01, Volume 54
Semiautomated methods for microscopic image acquisition, image analysis, and taxonomic identification have repeatedly received attention in diatom analysis. Less well studied is the question whether and how such methods might prove useful for clarifying the delimitation of species that are difficult to separate for human taxonomists. To try to answer this question, three very similar Fragilariopsis species endemic to the Southern Ocean were targeted in this study: F. obliquecostata, F. ritsch…
Publication
ID29239353Published Date2017-12-13JournalNature, 2017-12-13, Volume 552
Antarctica's continental-scale ice sheets have evolved over the past 50 million years. However, the dearth of ice-proximal geological records limits our understanding of past East Antarctic Ice Sheet (EAIS) behaviour and thus our ability to evaluate its response to ongoing environmental change. The EAIS is marine-terminating and grounded below sea level within the Aurora subglacial basin, indicating that this catchment, which drains ice to the Sabrina Coast, may be sensitive to climate pertur…
Research Grant
Award Number1543405Funding AgencyNational Science FoundationEffective Date2016-09-15Expiration Date2020-08-31Funding Amount$37,506
The Antarctic subglacial environment remains one of the least explored regions on Earth. This project will examine the physical and biological characteristics of Subglacial Lake Mercer, a lake that lies 1200m beneath the West Antarctic Ice Sheet. This study will address key questions relating to the stability of the ice sheet, the subglacial hydrological system, and the deep-cold subglacial biosphere. The education and outreach component aims to widely disseminate results to the scientific co…
Research Grant
Award Number1143836Funding AgencyNational Science FoundationEffective Date2012-09-01Expiration Date2017-08-31Funding Amount$181,212
This project will investigate the marine component of the Totten Glacier and Moscow University Ice Shelf, East Antarctica. This system is of critical importance because it drains one-eighth of the East Antarctic Ice Sheet and contains a volume equivalent to nearly 7 meters of potential sea level rise, greater than the entire West Antarctic Ice Sheet. This nearly completely unexplored region is the single largest and least understood marine glacial system that is potentially unstable. Despite …
Research Grant
Award Number0732625Funding AgencyNational Science FoundationEffective Date2007-10-01Expiration Date2013-09-30Funding Amount$162,707
AbstractThis award supports a research cruise to perform geologic studies in the area under and surrounding the former Larsen B ice shelf, on the Antarctic Peninsula. The ice shelf's disintegration in 2002 coupled with the unique marine geology of the area make it possible to understand the conditions leading to ice shelf collapse. Bellwethers of climate change that reflect both oceanographic and atmospheric conditions, ice shelves also hold back glacial flow in key areas of the pol…
Research Grant
Award Number0516290Funding AgencyNational Science FoundationEffective Date2005-04-01Expiration Date2006-03-31Funding Amount$22,900
This award supports U.S. participation in the international Polar Diatom Workshop, to be held in Japan during August 2005. Diatoms are critical indicators of paleoenvironmental conditions, and are very important to understanding the marine record of global climate change. The workshop will facilitate communication among Polar diatomists on a variety of themes, but especially in developing uniform taxonomies. This meeting will advance the field by supporting the exchange of ideas concerning th…
Research Grant
Award Number0338163Funding AgencyNational Science FoundationEffective Date2004-04-15Expiration Date2008-03-31Funding Amount$72,820
The Larsen Ice Shelf is the third largest ice shelf in Antarctica and has continued a pattern of catastrophic decay since the mid 1990's. The proposed marine geologic work at the Larsen Ice Shelf builds upon our previous NSF-OPP funding and intends to test the working hypothesis that the Larsen B Ice Shelf system has been a stable component of Antarctica's glacial system since it formed during rising sea levels 10,000 years BP. This conclusion, if supported by observations from our proposed w…
Research Grant
Award Number0216408Funding AgencyNational Science FoundationEffective Date2002-07-15Expiration Date2005-06-30Funding Amount$98,086
Items requested in NSF email of 5/2/02:Neither this proposal nor a similar one is under review at NSF or any other agency. NSF-MRI Abstract:A grant has been awarded to Dr. Ken Belanger at Colgate University for the development of a fluorescence light microscopy facility to be used for research and undergraduate education. This award will allow the acquisition of four fluorescence light microscopes and accompanying high-resolution digital cameras, as well as a var…
Research Grant
Award Number0133638Funding AgencyNational Science FoundationEffective Date2001-09-15Expiration Date2003-08-31Funding Amount$50,478
This award, provided by the Office of Polar Programs (OPP) of the National Science Foundation (NSF), provides support for a workshop designed to initiate discussion about future scientific objectives and technical needs of the Antarctic marine geology and geophysics community. It has been about a decade since the community last took a focused look at the long-range science goals and needs for Antarctic marine geology and so a new perspective is needed. The present need for such a dialogue is …
Research Grant
Award Number9909367Funding AgencyNational Science FoundationEffective Date2000-07-01Expiration Date2003-12-31Funding Amount$149,200
9909367 LeventerThis award, provided by the Antarctic Geology and Geophysics Program of the Office of Polar Programs, supports a multi-institutional, international (US - Australia) marine geologic and geophysical investigation of Prydz Bay and the MacRobertson Shelf, to be completed during an approximately 60-day cruise aboard the RVIB N.B. Palmer. The primary objective is to develop a record of climate and oceanographic change during the Quaternary, using sediment cores collec…
We found 22 documents that match your Search
Research Grants: 20
Publications: 2

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