Field teams and Research


*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)