| Personnel | |||||
|---|---|---|---|---|---|
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Field Work |
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| Transporting Gear on the Dry Valley Lakes | |||||
 Brianna Arnold and Delisa Rogers pulling sampling gear on Lake Fryxell, 2004 |
 Joel Moore pulling sampling gear out to the Weatherhaven on Lake Hoare, 2004 |
 Pulling drilling gear to the sampling site on Lake Bonney, 2004 |
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Drilling Sampling Holes |
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| Drilling inside the Weatherhaven for sampling with the Niskin bottle | |||||
 Drilling a sampling hole in the Weatherhaven, 2004
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 Removing drill flights while drilling in the Weatherhaven |
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| Drilling outside for PPR incubations and profiling instruments | |||||
 Jill Mikucki and Craig Wolf drilling a sampling hole on Lake Vanda, 2002
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 The drilling team with seven drill flights on Lake Fryxell, 2000 |
 The Limno team working to free a frozen drill bit, 2003
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 John Priscu, Joel Moore and Delisa Rogers drilling a sampling hole on Lake Fryxell, 2004 |
 John Priscu with the 4 inch drill on Lake Fryxell, 2004 |
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Sample Collection |
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 The Niskin bottle coming up with a sample, 2004
|
 Craig Wolf and Aaron Hall pulling up the Niskin bottle with a lake water sample, 2000 |
 Christine Foreman, Birgit Sattler and Craig Wolf collecting samples from the Niskin bottle, 2000
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 Joel Moore collecting a lake water sample from the Niskin bottle, 2004 |
 Amy Chiuchiolo and Delisa Rogers with a few sample bottles to be filled, 2004 |
 The Limno Team in the Weatherhaven, 2002 |
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 Craig Wolf getting ready to deploy PPR incubations |
 Sampling at Lake Vanda during a day trip, 2001 |
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| Miscellaneous Field Projects | |||||
 Sawing an ice pit in Lake Bonney
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 Down in the ice pit! |
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Instrument Deployment |
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| CTD Deployment | |||||
 Lowering the Seabird CTD through an ice hole, 2004 |
 Amy Chiuchiolo downloads data from the CTD, 2005 (photo by R. Morgan-Kiss) |
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|
Underwater PAR measurements |
In situ Spectrofluorometer |
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 Tucker Stevens and Christine Foreman setting up the LI-COR sensor to take underwater PAR measurements, 2002. |
 Joel Moore lowering the bbe Fluoroprobe in Lake Bonney, 2004 (photo by A. Chiuchiolo) |
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| Profiling Natural Fluorescence | |||||
 Profiling natural fluorescence through the water column using the PNF-300 |
 Amy Chiuchiolo preparing the PNF-300 for deployment, 2005 (photo by R. Morgan-Kiss) |
 Rachael Morgan-Kiss preparing the PNF-300 for deployment, 2005 (photo by A. Chiuchiolo) |
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|
Lab Work |
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Filters containing chlorophyll-a for measurement of
Community Respiration determined via the Electron Transport System |
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 A filter from 9m in Lake Fryxell during ETS filtration |
 A filter from 11m in Lake Fryxell during ETS filtration |
 A filter from 15m in Lake Fryxell during ETS filtration |
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Mini-Winkler titrations for determination of dissolved oxygen concentration in lake water samples |
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 Amy Chiuchiolo with samples from Lake Hoare, 2004 (photo by A. Chiuchiolo) |
 Lab set-up for mini-Winkler titrations |
 Emily Roberts with the micro-buret |
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 The darker colors (upper depths) indicate more oxygen in these Lake Fryxell samples |
 The darker colors (upper depths) indicate more oxygen in these Lake Hoare samples |
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Phytoplankton Primary Production (PPR) determined by 14C Incorporation |
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 The lab at Lake Hoare set up for PPR filtration |
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McLane Sediment Trap Deployment |
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|
'01-'02 |
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 Christine Foreman preparing the sediment trap for deployment |
 Positioning the sediment trap for deployment |
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 Lowering the sediment trap |
 The sediment trap going down |
 Sediment collected from Lake Fryxell |
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|
'05-'06 |
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 Ed Adams and John Priscu retrieving the sediment trap (photo by A. Chiuchiolo) |
 Joel Moore and Ed Adams with the sediment trap (photo by A. Chiuchiolo)
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