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Field Work
 

Transporting Gear on the Dry Valley Lakes

Brianna Arnold and Delisa Rogers pull sampling gear on Lake Fryxell, 2004

Joel Moore pulls sampling gear out to the Weatherhaven on Lake Hoare, 2004

Pulling drilling gear to the sampling site on Lake Bonney, 2004

Drilling Sampling Holes
Drilling inside the Weatherhaven for sampling with the Niskin bottle

 Drilling a sampling hole in the Weatherhaven, 2004

 


Removing drill flights while drilling in the Weatherhaven
 
Drilling outside for PPR incubations and profiling instruments

Jill Mikucki and Craig Wolf drill a sampling hole on Lake Vanda, 2002

 


The drilling team with seven drill flights on Lake Fryxell, 2000

The Limno team works to free a frozen drill bit, 2003

 


John Priscu, Joel Moore and Delisa Rogers drill a sampling hole on Lake Fryxell, 2004

John Priscu with the 4 inch drill on Lake Fryxell, 2004

Sample Collection

The Niskin bottle coming up with a sample, 2004

 


Craig Wolf and Aaron Hall pull up the Niskin bottle with a lake water sample, 2000
 

Christine Foreman, Birgit Sattler and Craig Wolf collect samples from the Niskin bottle, 2000

 


Joel Moore collects a lake water sample from the Niskin bottle, 2004
 

Amy Chiuchiolo and Delisa Rogers with sample bottles to be filled, 2004

The Limno Team in the Weatherhaven, 2002

Sampling at Lake Vanda during a day trip, 2001
 

Craig Wolf gets ready to deploy PPR incubations

 

|Tristy Vick collects water from the Niskin Bottle during a day trip to Lake Miers, 2008

Sampling at Lake Miers during a day trip, 2010
 


 


The Niskin bottle comes up with a sample Lake Miers during a day trip, 2010

Sampling at Lake Miers during a day trip, 2010
Miscellaneous Field Projects

Sawing an ice pit in Lake Bonney

 


Down in the ice pit!

Instrument Deployment
 

CTD Deployment

The CTD ready for deployment, 2010
(photo by J. Ackerman)
 

Amy Chiuchiolo downloads data from the CTD, 2005
(photo by R. Morgan-Kiss)

A plot in the Seasave program of a CTD cast, 2010
(photo by J. Ackerman)
In situ Spectrofluorometer


Amy Chiuchiolo lowers the bbe Fluoroprobe
in the moat of Lake Fryxell, 2010
(photo by A. Doering)

Joel Moore lowers the bbe Fluoroprobe
in Lake Bonney, 2004
(photo by A. Chiuchiolo)
 
Underwater PAR measurements

Tucker Stevens and Christine Foreman
set up the LICOR sensor to take underwater
PAR measurements, 2002.

Amy Chiuchiolo takes underwater PAR
measurements in the Lake Bonney moat using
a LICOR sensor, 2010.
(photo by A. Doering)
 
   
Profiling Natural Fluorescence

The PNF is lowered through an ice hole for measurements, 2010
(photo by J. Ackerman)
 

Amy Chiuchiolo prepares the
PNF-300 for deployment, 2005

(photo by R. Morgan-Kiss)

Rachael Morgan-Kiss prepares the
PNF-300 for deployment, 2005

(photo by A. Chiuchiolo)
 

Lab Work
 

Lab Work in the Field and at McMurdo Station
 

Alex Michaud working at Crary Lab

Amy Chiuchiolo works in the lab at Fryxell Camp

Jess Ackerman filters for particulate carbon, nitrogen and phosphorus in a lab at Lake Hoare

 

Filters containing chlorophyll-a for measurement of Community Respiration
determined via the Electron Transport System
 

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

Mini-Winkler titrations for determination of dissolved oxygen concentration
in lake water samples
 

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
 

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

Phytoplankton Primary Production (PPR) determined by 14C Incorporation
 

The lab at Lake Hoare set up for PPR filtration

 McLane Sediment Trap Deployment
 

'01-'02
 

Christine Foreman prepars the
sediment trap for deployment
 

Positioning the sediment trap for deployment

Lowering the sediment trap

The sediment trap going down
 

Sediment collected from Lake Fryxell
'05-'06
 

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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