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Type: | Resource | |
Storage: | The size of this resource is 334.2 MB | |
Created: | Oct 18, 2017 at 10:15 p.m. | |
Last updated: | Oct 27, 2017 at 9:11 p.m. | |
DOI: | 10.4211/hs.a3a9ba772aac4cba9533b35bb6b5fe42 | |
Citation: | See how to cite this resource |
Sharing Status: | Published |
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Views: | 2486 |
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Abstract
This dataset includes grab sample data collected during baseflow and stormflow conditions in the Northwest Field Canal (NWFC), located in Logan, UT. Grab sample data includes results from samples that were analyzed using dissolved organic carbon concentration analysis and excitation emission matrix spectroscopy to determine organic matter concentration and characteristics. Methods used in sample collection and analysis are described in detail within the methods document included as part of this resource.
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Content
readme.txt
Data from and related to grab sampling efforts in the Northwest Field Canal is provided in the form of a zip file. In order to access the contents, you must download and unzip the file on your computer. ########################################## Grab Sampling Data Folder Tree >Finalized_Data >GIS_Data (shapefile of monitoring sites) >Supplemental_Data >DOC_Data >>Processed_Data >>RawData >EEMS_Data >>RanYYMMDD (Folders with raw data organized by date samples were ran) ########################################## Root Level Folder Contents Description >Finalized_Data Folder: EEM_MasterSampleLog.csv - .csv file containing information derived from excitation emission matrix (EEM) analyses (e.g., fluorescence indices) for each grab sample taken during the dissolved organic matter study in the Northwest Field Canal in Logan, UT. Column headers are described in the header of the file. Use this data for future analyses. DOC_MasterSampleLog.csv - .csv file containing dissolved organic carbon (DOC) concentrations for each grab sample taken during the dissolved organic matter study in the Northwest Field Canal in Logan, UT. Column headers are described in the header of the file. Use this data for future analyses. Finalized_EEMs.zip - This zip file contains EEMs that have been "smoothed" using the “smootheem" function in the drEEM MATLAB toolbox. Each EEM has two related files in this zip file; a figure of the EEM as a .eps file and the EEM values in a .csv file. The file names correspond to the Sample_Alias field in the “EEM_MasterSampleLog.csv” in the “Sample_Data” folder. The EEMs in this zip file are one step beyond the corrected EEMs found the in Raw_and_Corrected_EEMs folder. The following function was implemented to further remove the effects of Rayleigh and Raman scatter that still existed after the initial correction process. For each EEM: -Rayleigh 1st order scatter was removed within the extent of 13nm above and 300nm below the curve -Raman 1st order scatter was removed within the extent of 5nm above and 15nm below the curve -Rayleigh 2nd order scatter was removed within the extent of at 200nm above and 17nm below the curve -Values within Rayleigh 1st and 2nd order extent were changed to NaN -Values within Raman 1st order extent were interpolated. -The frequency (cm-1) of energy loss due to non-elastic Raman scatter was set at the default value of 3382. -See drEEM MATLAB toolbox for more detail. NWFC_GrabSamples_Methods.pdf - This document provides supplementary info for the methods used in collecting and processing grab samples. >GIS_Data folder - This folder contains a shapefile with the location of the all sites where samples were collected in the Northwest Field Canal in Logan, UT. >Supplemental_Data zip file - This zip file contains raw EEM and DOC data and supporting files that were used to quality control the data. See the readme.txt file in the root level of the Supplemental_Data zip file for supporting documentation. This data should not be used for future analyses, but is included for completeness. It is recommended that the finalized data provided be used.
Related Resources
This resource is referenced by | Mihalevich, B. A. (2017). Resolving Spatial and Temporal Variability in Dissolved Organic Matter Characteristics within Combined Agricultural and Stormwater Conveyances, Digital Commons at USU, All Graduate Theses and Dissertations, 6264. https://digitalcommons.usu.edu/etd/6264 |
This resource is referenced by | Mihalevich, B. A., Horsburgh, J. S., Melcher, A. A. (2017). High-frequency measurements reveal spatial and temporal patterns of dissolved organic matter in an urban water conveyance, Environmental Monitoring and Assessment, http://dx.doi.org/10.1007/s10661-017-6310-y |
Credits
Funding Agencies
This resource was created using funding from the following sources:
Agency Name | Award Title | Award Number |
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Utah Water Research Laboratory | ||
National Science Foundation | iUTAH-innovative Urban Transitions and Aridregion Hydro-sustainability | 1208732 |
Contributors
People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.
Name | Organization | Address | Phone | Author Identifiers |
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Anthony A. Melcher | Utah State University | 8200 Old Main Hill, Logan, UT 84322-8200 |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
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