This STEENBURGH_readme20250408.txt file was generated on 20250408 by Madison Golden

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GENERAL INFORMATION
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1. Title of Dataset 
Alta-Collins Snow and Liquid Precipitation Equivalent Observations 2023-2024


2. Author Information


  Principal Investigator Contact Information
        Name: Jim Steenburgh
           Institution: University of Utah
           Address: 135 S 1460 East Rm 819 (WBB), Salt Lake City, UT 84112
           Email: jim.steenburgh@utah.edu
	   ORCID: 0000-0003-1028-4230


  Associate or Co-investigator Contact Information
        Name: Michael Wasserstein
           Institution: University of Utah
           Address: 135 S 1460 East Rm 819 (WBB), Salt Lake City, UT 84112
           Email: michael.wasserstein@utah.edu
	   ORCID: 0009-0003-8524-824X


3. Date of data collection (single date, range, approximate date)
20231001 to 20240430


4. Geographic location of data collection (where was data collected?): 
Alta-Collins (CLN) snow-study plot, Alta, UT (111.63889 W, 40.57607 N)


5. Information about funding sources that supported the collection of the data:
National Science Foundation; National Oceanic and Atmospheric Administration



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SHARING/ACCESS INFORMATION
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1. Licenses/restrictions placed on the data:
CC BY NC


2. Links to publications that cite or use the data:
NA


3. Links to other publicly accessible locations of the data:
N/A


4. Links/relationships to ancillary data sets:
N/A


5. Was data derived from another source?
Yes; Alta Ski Area Avalanche Office/Alta Ski Area


6. Recommended citation for the data:
Steenburgh, J., Wasserstein, M. (2025). "Alta-Collins Snow and Liquid Precipitation Equivalent Observations 2023-2024". The Hive: University of Utah Research Data Repository. https://doi.org/10.7278/S5d-dx7x-d8ay




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DATA & FILE OVERVIEW
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1. File List
   A. Filename: CLN_2023_2024_complete.csv   
      Short description: This data set contains 12-hour manual new snow and liquid precipitation equivalent (LPE) observations collected at the Alta-Collins (CLN) snow-study plot during the 2023/2024 cool season (October 1–April 30). CLN is located mid-mountain at Alta Ski Area in the Wasatch Range of northern Utah (approximately 111.63889W, 40.57607N) at an elevation of 2945 m.       


2. Relationship between files:        
N/A


3. Additional related data collected that was not included in the current data package:
Data for the 2000-2023 cool seasons are available at:
M. L. Wasserstein and W. J. Steenburgh, "Dataset for: Alta-Collins Snow and Liquid Precipitation Equivalent Observations 2000–2023." The Hive: University of Utah Research Data Repository, www.doi.org/10.7278/S50d-nsy5-8bje.


4. Are there multiple versions of the dataset?
No



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METHODOLOGICAL INFORMATION
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1. Description of methods used for collection/generation of data: 
Observations were collected at 0400 and 1600 LST on a standard snowboard placed on the ground or snowpack by the Alta Ski Area Ski Patrol. LPE was based on a core collected and weighed with a Snowmetrics coring tube.


2. Methods for processing the data: 
The University of Utah team received a dataset via email from Alta Ski Area.


3. Instrument- or software-specific information needed to interpret the data:
N/A - the data are in a .csv file and can be analyzed through any software to analyze .csv files.


4. Standards and calibration information, if appropriate:
N/A


5. Environmental/experimental conditions:
N/A - these are observations taken at the Alta Ski Area.


6. Describe any quality-assurance procedures performed on the data:
N/A - the data are raw observations from the Alta Ski Patrol.


7. People involved with sample collection, processing, analysis and/or submission:
Alta Ski Area Avalanche Office, Alta Ski Area



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DATA-SPECIFIC INFORMATION FOR: CLN_2023_2024_complete.csv
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1. Number of variables:
3


2. Number of cases/rows: 
426


3. Variable List
    A. Name: Time (LST)
       Description: The start time of a 12-hr observing period. For instance, if a 12 hr observing period starts at 4:00 on Jan 15 2023 and ends at 16:00 on Jan 15 2024, Time (LST) would be 2024-01-15 04. The format is given as YYYY-MM-DD HH. This time convention, based on the beginning of the observation period, apparently has a long history at Alta.



    B. Name: 12 hr Snow (in.)
       Description: The new snow in the 12-hr period, in inches.



    C. Name: 12 hr LPE (in.)
       Description: The new LPE in the 12-hr period, in inches.



4. Missing data codes:
N/A


5. Specialized formats of other abbreviations used:
N/A