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Lab Work in the Field and at McMurdo Station

Alex Michaud working at Crary LabAmy Chiuchiolo works in the lab at Fryxell CampJess Ackerman filters for particulate carbon, nitrogen and phosphorus in a lab at Lake HoareParticulate matter from Lake Fryxell on GF/F filters, 1984.

Filters Containing Chlorophyll-A for Measurement of Community Respiration Determined via the Electron Transport System

A filter from 9m in Lake Fryxell during ETS filtrationA filter from 11m in Lake Fryxell during ETS filtrationA 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 titrationsEmily Roberts with the micro-buretThe darker colors (upper depths) indicate more oxygen in these Lake Fryxell samplesThe 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