BCCZO -- Stream Water Chemistry, Surface Water Chemistry -- (Isaac Bukoski Thesis) -- Boulder Creek CZO -- (2018-2019)

Authors:

Isaac Bukoski

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CZO Boulder CZO National

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Created:

Nov 19, 2019 at 8:12 a.m.

Last updated:

Oct 22, 2020 at 4:02 p.m.

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Abstract

2018 (mid-April to late-September) stream water chemistry data from Boulder Creek at the City of Boulder Hydroelectric Plant, and several tributaries of Boulder Creek (i.e., Fourmile Creek, Lost Gulch, Hawkin Gulch and Keystone Gulch). Includes weekly grab samples and storm samples collected with a near-stream automatic sampler. Data includes discharge, runoff, temperature, electrical conductivity, pH, dissolved organic carbon, major cations and anions, trace metals and stable isotopes of water.

Locations

Sensor Or Location ID, Instrument or Method, Location Type Measurement, Depth or Height (cm), Decimal degree Datum OR UTM Zone, Latitude OR Y, Longitude OR X, Elevation (m)

Boulder Creek at Hydroplant
Grab Sample Stream Site Water Chemistry surface WGS84 40.0063 -105.3331 1790.0000
Boulder Creek at Hydroplant
Automatic Sampler Stream Site Water Chemistry near streambed WGS84 40.0063 -105.3331 1790.0000
Lost Gulch
Grab Sample Stream Site Water Chemistry surface WGS84 40.0080 -105.3251 1772.0000
Hawkin Gulch
Grab Sample Stream Site Water Chemistry surface WGS84 40.0044 -105.3421 1839.0000
Hawkin Gulch
Automatic Sampler Stream Site Water Chemistry near streambed WGS84 40.0044 -105.3421 1839.0000
Keystone Gulch
Grab Sample Stream Site Water Chemistry surface WGS84 40.0049 -105.3485 1840.0000
Keystone Gulch
Automatic Sampler Stream Site Water Chemistry near streambed WGS84 40.0049 -105.3485 1840.0000
Fourmile Creek
Grab Sample Stream Site Water Chemistry surface WGS84 40.0186 -105.3263 1762.0000
Fourmile Creek
Automatic Sampler Stream Site Water Chemistry near streambed WGS84 40.0186 -105.3263 1762.0000

Date Range Comments: Weekly grab samples and storm samples

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Gordon Gulch, Betasso, Boulder Creek Watershed, Boulder Creek CZO

Longitude

-105.3331°

Latitude

40.0063°

Temporal

Start Date:	04/18/2018
End Date:	12/28/2018

Streets Terrain Satelite

Spatial Extent

Content

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Additional Metadata

Name	Value
czos	Boulder
czo_id	7261
citation	2018 Bukoski Master's Thesis Data: Bukoski, Isaac, 2019, Summer Runoff Generation in Foothill Catchments of the Colorado Front Range Department of Geography Graduate Theses and Dissertations TBD
comments	Stream samples were collected as grab samples on a weekly basis and additional grab samples were collected before and after (within 24 hr) storm events. During storm events, samples were collected more frequently using automatic samplers (model-6712, Teledyne ISCO, Lincoln, NE, USA). Automatic samplers were programmed to collect samples on a 15-min interval or 30-min interval, depending on storm forecast. Threshold values were programmed before storm events based on current stage, previous stage behavior and future storm forecast. All samples were collected in 1-L Teflon® bottles previously washed in a 10 percent hydrochloric acid solution and rinsed three times with high-purity deionized (DI) water. Grab sample bottles were rinsed three times with streamwater before collecting a sample. Within 24 hrs of sample collection, samples were filtered using a 0.45 μm (47-mm) membrane filter (Pall Laboratory, VWR International LLC, Radnor, PA, USA) and the filtered water was parsed into separate bottles (rinsed three times with filtered sample water) individually tailored for preservation requirements according to specific constituent analysis. Samples for δ18O were collected unfiltered with no headspace in 20-mL borosilicate glass bottles with a poly-seal cone liner cap wrapped in parafilm to prevent evaporation and isotopic fractionation. Samples for anions were collected in 20-mL high density polyethylene (HDPE) bottles. Samples for dissolved organic carbon (DOC) were collected in 40-mL amber-colored borosilicate glass bottles (previously heated to 500°C for 4 hr). Samples for inductively coupled plasma optical emission spectrometry analysis were collected in 125-mL HDPE bottles pre-washed in an acid solution and the pH was lowered using a 1 percent (volume per volume) concentrated trace-metal grade HNO3. All samples were stored in the dark and refrigerated at 4°C until analysis. For quality assurance, duplicates and blanks (using DI water) were run approximately every 10 samples. For more information on sample preservation techniques, refer to McCleskey et al. (2012). Major cations and trace metals were determined using inductively coupled plasma optical emission spectrometry (ICP–OES, PerkinElmer 7300 DV) analysis at the USGS in Boulder, CO, with an accuracy of 1% and precision of 6%. Major anions were determined using ion chromatography system (model Dionex DX 600, Thermo Fisher Scientific, Waltham, MA, USA), with an accuracy of 9% +/- 2% standard deviation (SD) and precision of 6% +/- 4% SD. δ18O were analyzed using wavelength-scanned cavity ringdown spectroscopy with a L2120-i Isotopic Liquid Water Analyzer (Picarro Incorporated, Santa Clara, CA, USA), with a mean accuracy of 0.09 ‰ +/- 0.08 SD and a mean precision of 0.06 ‰ +/- 0.01 SD. DOC concentrations were determined using wet oxidation method with an Oceanography International Model 700 TOC Analyzer at the USGS Analytical Trace Elements Chemistry Laboratory in Boulder, CO, with an accuracy and precision
keywords	stream chemistry, surface water chemistry
subtitle	Surface water samples collected from Boulder Creek, Fourmile Creek, Lost Gulch, Hawkin Gulch and Keystone Gulch in the foothills ecoregion of the Boulder Creek watershed
variables	Date & Time, Discharge, Runoff, EC, pH, pH, Temp, DOC, SUVA, F, Cl, NO2, Br, NO3, PO4, SO4, Al, As, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, Rb Sb, Se, SiO2, Sr, U, V, W, Zn, δ18O, 2H, Deuterium Excess
disciplines	Water Chemistry
related_datasets	2785, 3065, 3064, 3639
date_range_comments	Weekly grab samples and storm samples
related_datasets_hs	https://www.hydroshare.org/resource/0f2bc5365033480790c7d13bb5e5937b/, https://www.hydroshare.org/resource/4bb6710317c445cf996793ac1f5d7149/, https://www.hydroshare.org/resource/3aa9c239e24f44a68469a2c34b88eced/, https://www.hydroshare.org/resource/cf49999ccc734c268f2ef001cdbc2c16/

How to Cite

Bukoski, I. (2020). BCCZO -- Stream Water Chemistry, Surface Water Chemistry -- (Isaac Bukoski Thesis) -- Boulder Creek CZO -- (2018-2019), HydroShare, http://www.hydroshare.org/resource/bb4263b414ac46df845ff1e7f9984718

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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