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Glider Operations (and the Progression of a Scientific Project)
Collin Dobson, Amanda Jones, Tejas Shah,Amelia Snow, Cynthia Taylor
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West Antarctic Peninsula:
The subject of our study Northern most part of Mainland
Antarctica Susceptible to climate changeexperiencing
rapid warming (alters sea ice dynamic/ecosystem interaction) Effects glaciers! Phytoplankton affected surfacechlorophylldecreased 12 % !
Rise of half degree Celsius each decade We examined time frame 2007-2011
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Palmer Long Term Ecological ResearchProject (LTER)
Construction of the U.S. Antarctic station was completed in 1968,replacing 'Old Palmer' that was established in 1965.
Palmer LTER established in 1990.Marine ecology of the Southern Ocean focused on:
physical forcing (atmospheric, oceanic and sea ice) of theecosystem with emphasis on the ecological consequences of sea-ice variability
biological processes with emphasis on microbial, primaryproduction and the life-history parameters of secondary
producers (krill) and apex predators (penguins)physical/optical/chemical/biological modeling that linksecosystem processes to environmental variables.
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Goal: To understand the Antarctic ecosystem using a series
of data sets to determine how the climate is changing andits affects on the West Antarctic Peninsula
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Attempt #1:
Palmer 2001-2011Station B &ETemperature, Salinity,Density
Gliders 2007-2011Temperature, Salinity,Density
3D Temperature transect
through canyon
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Problems: Station B & E where art thou?
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Attempt #2:
No more DataZooGliders 2007-2011
9 gliders4 year long-termTemperature, Salinity,
DensityExcel line graphs
Glider tracks inGoogle Earth
3D Temperature transectthrough canyon
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Problems: Excel
Excel not a sufficient way to analyze dataNot feasible to pull out data points
0
0.5
1
1.5
2
2.5
3
3.5
4
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Attempt #3:
Matlab Gui2007-2011 Gliders9 gliders
8RU + 1UDel
Temperature,Salinity, Densityprofiles
Animation
3D Temperaturetransect through thecanyon
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Problems: Where is all of our data?
Only 5 gliders withdata
Only level1 dataNot compatiblewith new guiError in old gui
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Overall ProblemsTrouble with Matlab
Data not easily accessibleData not in right format
Techs busy
DataZoo10 years missing
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Last and Hopefully Final Attempt
UD_134 Plots3D Temperature transect through canyonGlider tracks in Google EarthPossible Matlab code
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Google Earth
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3D Temperature Transect
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UD_134 Temperature
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UD_134 Salinity
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UD_134 Density
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RU05 Temperature
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RU06 Temperature
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RU25d Temperature
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Lessons LearnedSCIENCE ISNT ALWAYS FUN
Hard to do a project in 15 weeks if playing where in theworld is Oscar Schofield?
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Acknowledgements
ScotscarKohut
Tina
John Kerfoot