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| Created: | Jan 26, 2023 at 7:57 p.m. (UTC) | |
| Last updated: | Sep 20, 2026 at 7:15 p.m. (UTC) | |
| Citation: | See how to cite this resource | |
| Content types: | CSV Content |
| Sharing Status: | Public |
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Abstract
LOCATION: Gordon Gulch (2590 m) lies within Arapahoe National Forest and is divided into Lower and Upper Gordon Gulch. Gordon Gulch joins North Boulder Creek about 16 km downstream from Green Lakes Valley (GLV). The site is underlain by biotite gneiss and is mostly forested. Different aspect slopes present contrasts in soils and vegetation: thinner, less-weathered rock with grasses and ponderosa pine (P. ponderosa) on south-facing slopes, and thicker, more weathered rock with dense lodgepole pine (P. contorta) on north-facing slopes.
Gordon Gulch is characterized by low-relief remnants of a dissected Tertiary erosion surface in which weathered rock profiles are up to 15 m thick. Gordon Gulch is within the montane climatic zone. Mean annual precipitation (MAP) is 780 mm, approximately 70% as snow.
WATER CHEMISTRY: Water chemistry samples were collected from the GG1-SW0 and GG2-SW0 surface-water sites and the GG2-GW1 through GG2-GW6 groundwater wells. Major cations and anions were analyzed using a Thermo Scientific Dionex Ion Chromatography system in the Ecohydrology Laboratory. Hydrogen (dD) and oxygen (d18O) isotope samples were analyzed using a Picarro Cavity Ring-Down Spectroscopy System in the Stable Isotope Laboratory, University of Colorado Boulder / Institute of Arctic and Alpine Research.
LEGACY DATA:
https://www.hydroshare.org/resource/f98c35d1330e41569f8b0e2e339df8d8/
https://www.hydroshare.org/resource/4bb6710317c445cf996793ac1f5d7149/
RELATED RESOURCES: See Related Resources for additional DWCZ soil-water chemistry datasets.
Subject Keywords
Coverage
Spatial
Content
ReadMe.md
DWCZ -- Water Chemistry - (GG1-SW0, GG2-GW1, GW2, GW3, GW4, GW5, GW6 & SW0) -- Gordon Gulch -- (2021-2024)
OVERVIEW
Description/Abstract
Gordon Gulch (2590 m) lies within Arapahoe National Forest and is divided into Lower and Upper Gordon Gulch. Gordon Gulch joins North Boulder Creek about 16 km downstream from Green Lakes Valley (GLV). This site is underlain by biotite gneiss and is mostly forested. Different aspect slopes present contrasts in soils and vegetation: thinner, less-weathered rock with grasses and ponderosa pine (P. ponderosa) on south-facing slopes, and thicker, more weathered rock with dense lodgepole pine (P. contorta) on north-facing slopes.
It is characterized by the low-relief remnants of a dissected Tertiary erosion surface in which weathered rock profiles are up to 15 m thick. Gordon Gulch is within the montane climatic zone. MAP is 780 mm, 70% as snow.
Water chemistry samples were collected from the GG1-SW0 and GG2-SW0 surface-water sites and the GG2-GW1 through GG2-GW6 groundwater wells. Major cations and anions were analyzed using a Thermo Scientific Dionex Ion Chromatography system in the Ecohydrology Laboratory. Hydrogen (dD) and oxygen (d18O) isotope samples were analyzed using a Picarro Cavity Ring-Down Spectroscopy System in the Stable Isotope Laboratory, University of Colorado Boulder / Institute of Arctic and Alpine Research.
LEGACY DATA: https://www.hydroshare.org/resource/f98c35d1330e41569f8b0e2e339df8d8/ & https://www.hydroshare.org/resource/4bb6710317c445cf996793ac1f5d7149/
PLEASE SEE RELATED FOR MORE DWCZ SOIL WATER CHEMISTRY
ELEVATION: METERS (AVG), 2633.396 - 2435.746 FREQUENCY: Varies
Creator/Author
Holly Barnard, Nicole Hornslein, Matt Schiff
Cluster
Dynamic Water
Contact
czdata@colorado.edu
Subtitle
Groundwater and surface-water chemistry samples collected in Gordon Gulch
SUBJECTS
Disciplines
Water Chemistry
Topics
Groundwater Chemistry
Subtopic
(Stream Chem)
Keywords
Groundwater chemistry
Variables
Lithium, Sodium, Water Type, d18O, Chloride, Nitrate, Magnesium, Calcium, Fluoride, Potassium, Ground Water, dD, Phosphate, Sulfate, Surface Water
Variables ODM2
Calcium, dissolved|Chloride|delta-18O of H2O|Deuterium|Potassium, dissolved|Magnesium, dissolved|Sodium, dissolved|Nitrogen, nitrate (NO3)|Sulfate, dissolved|
TEMPORAL
Date Start
2021
Date End
2024-09-28
SPATIAL
Field Areas
Dynamic Water CZ
Location
Gordon Gulch
North latitude
40.018816
South latitude
40.012989
West longitude
-105.476738
East longitude
-105.4585063
REFERENCE
COMMENTS
Comments
METHODS: Major cations and anions were analyzed using a Thermo Scientific Dionex Ion Chromatography system in the Ecohydrology Laboratory. Hydrogen (dD) and oxygen (d18O) isotope samples were analyzed using a Picarro Cavity Ring-Down Spectroscopy System in the Stable Isotope Laboratory, University of Colorado Boulder / Institute of Arctic and Alpine Research.
Related Resources
| The content of this resource is similar to | Zhi, W., L. Li, W. Dong, W. Brown, J. Kaye, C. Steefel, K. Williams (2022). Coal Creek -CO - Distinct Source Water Chemistry Shapes Contrasting Concentration Discharge Patterns, HydroShare, http://www.hydroshare.org/resource/24b834aab72743db899b99404b48cb68 |
| The content of this resource is similar to | Bush, S., H. R. Barnard, M. Schiff, N. Hornslein (2023). DWCZ - CO - Manitou Experimental Forest, Hotel Gulch - Water Chemistry - (DWCZ-MEF-HG-GW-SW-Array-SBush) - (2018-2021), HydroShare, http://www.hydroshare.org/resource/3c831dbc381d41a290f3d0cacdf4a8a4 |
| The content of this resource is similar to | Williams, K., W. Dong, W. Brown, R. Carroll, L. Li (2022). Coal Creek -CO - Significant stream chemistry response to temperature variations in a high-elevation mountain watershed, HydroShare, http://www.hydroshare.org/resource/5274a68688744548b2c34992fd5c39f0 |
| The content of this resource is similar to | Anderson, S., C. Jensen (2021). BCCZO -- Surface Water Chemistry -- (GG_SW_Array) -- Gordon Gulch -- (2008-2020), HydroShare, http://www.hydroshare.org/resource/4bb6710317c445cf996793ac1f5d7149 |
| The content of this resource is similar to | Anderson, S., C. Jensen (2023). BCCZO -- Groundwater Chemistry -- (GGU_GW_1-6_Array) -- Gordon Gulch: Upper -- (2011-2020), HydroShare, http://www.hydroshare.org/resource/f98c35d1330e41569f8b0e2e339df8d8 |
| Title | Owners | Sharing Status | My Permission |
|---|---|---|---|
| DWCZ - CO - Gordon Gulch (GG) | Eric Parrish | Public & Shareable | Open Access |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
|---|---|---|
| National Science Foundation | Network Cluster: Quantifying controls and feedbacks of dynamic storage on critical zone processes in western montane watersheds | EAR 2012669 |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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