67 protocols
Drilling of boreholes in 2017 and 2018 and completion as vertically discrete nested monitoring wells and single monitoring wells. Includes well construction documentation.
Climate forcing using minimum and maximum daily temperature lapse rates defined by Snow Telemetry stations adjusted for aspect.
Water samples filtered in field using 0.2 micron filter into 50 ml falcon tubes and shipped on ice for analysis.
Correlation of daily flows with USGS stream gauge data and linear interpolation for ice-covered periods.
Large number of groundwater manipulation and biostimulation experiments conducted primarily in plot C study area.
Single-packer apparatus testing with in-line flow meter and interval pressure monitoring during drilling advancement.
Dissolved sulfide concentration determined by reacting H2S with N,N-dimethyl-p-phenylene diamine under acidic conditions to form methylene blue.
Laboratory method for sample preparation and analysis.
Examination of collected substrates to evaluate particle loading, morphology, and spatial distribution.
Soil samples extracted into exchangeable, apatite, and silicate pools using different chemical solutions to isolate nutrient sources.
Weekly collection of snowmelt at five locations using modified version of Kormos (2005) method, beginning April 1 until full melt achieved.
Sample pre-treatment method using PPL cartridges (Bond Elut) after acidifying samples to pH 2 with phosphoric acid to extract organic compounds.
Measurement of hydrogen and oxygen isotope ratios using Off-Axis Integrated Cavity Output Spectrometer with auto-sampler and heated injector block. Results reported in δ-notation relative to Vienna St...
Samples filtered through 0.22 μm Sterivex filters with housings made of Eastar co-polyester.
Collection and analysis of discrete water quality samples including pesticide analysis. Results include load calculations and water quality parameters.
Gas samples were collected with a peristaltic pump from pre-installed lysimeters and stored in pre-evacuated serum bottles.
Laboratory analysis to determine total dissolved solids concentration in water samples through evaporation technique.