GLSNDPT English utf8 dataset McMurdo Dry Valleys LTER Information Manager im@mcmlter.org pointOfContact 2014-10-29 ISO 19115-2 Geographic Information - North American Profile Metadata - Data with Biological Extensions ISO 19115-2:2009(E) Glacier snow depth measurements, McMurdo Dry Valleys, Antarctica (1993-2023, ongoing) 2014-10-29 publication Michael Gooseff University of Colorado Boulder http://www.colorado.edu/ michael.gooseff@colorado.edu http://goosefflab.weebly.com pointOfContact Andrew Fountain Portland State University http://www.pdx.edu (503) 725-3386 P.O. Box 751 Portland OR 97207 US andrew@pdx.edu http://glaciers.pdx.edu/fountain/ pointOfContact documentDigital As part of the Long Term Ecological Research (LTER) project in the McMurdo Dry Valleys of Antarctica, a systematic sampling program has been undertaken to monitor glacial mass balance and meltwater flow. This data package includes snow depth measurements to the surface of six glaciers (Canada, Commonwealth, Hughes, Suess, Howard, and Taylor) in Taylor Valley and one glacier (Adams) in Miers Valley, all of which are located in the McMurdo Dry Valleys of Antarctica. Most measurements began during the 93-94 field season. Adams measurements were established during the 14-15 field season. Measurements are ongoing except at Hughes and Suess Glaciers where monitoring ceased following the 08-09 field season. Monitoring the changes in these measurements over time provides a record of mass balance, and aids in determining the role of glaciers in the polar hydrologic cycle. Name: Anna T. Wright Role: field technician Name: Renée F. Brown Role: data manager Name: Anna J. Bergstrom Role: former field crew Name: Adam Wlostowski Role: former field crew Name: Hassan Basagic Role: former field crew Name: Thomas Nylen Role: former field crew Name: Inigo San Gil Role: former data manager Name: Chris Gardner Role: former data manager Name: Denise Steigerwald Role: former data manager completed McMurdo Dry Valleys LTER Information Manager im@mcmlter.org pointOfContact unknown Data for the original stake height and snow depth measurements, as well as the averages and standard deviations was submitted by Andrew G. Fountain to the data manager in August, 1997. The column showing "file name" identifies the  original file containing that record. These are ascii text files and can be found on the PC in the McMurdo LTER data manager's office at INSTAAR.                           Once submitted to INSTAAR, the data manager used Microsoft Excel and Access software to produce files that were in more of relational mode. Information was assigned to different files according to type of data it dealt with. Separate files were generated for:                                                  * stake height replications,                         * snow depth replications, and                         * averages/standard deviations calculated from stake height and snow depth replications.                             In March, 2000, Thomas Nylen submitted data from the 1997-98, 1998-99 and 1999-2000 seasons. Instead of lumping all of the stake height and snow depth values for each glacier under one file, they were separated into files for each glacier. Metadata fields were also updated at this time.                           In April, 2000, Denise Steigerwald added fields for dataset code and glstkid. Dataset code would allow the data to be linked to the metadata in a relational database. Glstkid is a code that ties stake records to points on a GIS base map being developed by Michael Prentice at the University of New Hampshire.                          In addition, Denise divided the 'stake' field to 'stake' and 'stk replcmnt' values. The 'stake' value is an ID for a stake in a given location over time, while the 'stk replcmnt' value shows whether the stake is the original (A), the first replacement stake installed (B), the second stake installed (C), and so forth. (Melting on the glacier over time makes installation of replacement stakes necessary.) Since the replacement value is only relevant for the stake heights and snow depths datasets, division of the 'stake' value into separate fields made it more straightforward for grouping data across different datasets (eg. stake heights and snow densities).   In 2006, Chris Gardner and Inigo San Gil standardized the metadata in the EML format, redistributing it through the LTER Metadata catalog and other federal clearinghouses.     In 2014, the metadata was revamped using the Drupal Ecological Information Management System (Inigo San Gil).                      In 2016, metadata was enhanced a bit (San Gil). disturbance theme LTER Core Areas English Located in the Miers Valley, this glacier became object of the MCMLTER program study in 2015. 163.732166290280 163.582477569580 -78.118713184740 -78.097276633989 The Canada Glacier a small glacier flowing south-east into the northern side of Taylor Valley.  The glacier receives less than 10 cm of snowfall annually. Its seasonal melting feeds Lake Hoare to the west and Lake Fryxell to the east. 163.057708740234 162.894287109375 -77.632133483887 -77.598403930664 The Commonwealth glacier flows in a southeasterly direction and enters the northern side of Taylor Valley immediately west of Mount Coleman. Named by the British Antarctic Expedition for the Commonwealth of Australia in the early 1900s.   163.373565673828 163.197784423828 -77.589111328125 -77.545059204102 Howard is a small alpine glacier just west of Crescent Glacier, flowing into Taylor Valley on the north from the Kukri Hills. Geologist T.L. Pewe studied and named it for Arthur D. Howard, 163.147994995117 163.036087036133 -77.687744140625 -77.662025451660 Hughes Glacier is a small alpine glacier flowing toward Lake Bonney in Taylor Valley from the Kukri Hills on the south. Named for Professor McKenny Hughes. 162.581527709961 162.437667846680 -77.749969482422 -77.727073669434 The Suess Glacier is between the Canada Glacier and Lacroix Glacier, flowing south into Taylor Valley. Scott named after the early nineties British Antarctic Expedition for Professor Eduard Suess. 162.744598388672 162.647781372070 -77.651824951172 -77.633750915527 The Taylor Glacier is an Antarctic glacier about 54 kilometres (34 mi) long, flowing from the plateau of Victoria Land into the western end of Taylor Valley, north of the Kukri Hills, south of the Asgard Range. The middle part of the glacier is bounded on the south by Beacon Valley.Scott (early nineties British Antarctic expedition) named the glacier for Griffith Taylor, geologist and leader of the Western Journey Party of the British Antarctic expedition.Like other glaciers in the McMurdo Dry Valleys, Taylor Glacier is “cold-based,” meaning its bottom is frozen to the ground below.   162.280426025391 161.683044433594 -77.769035339355 -77.721229553223 ground condition 1993-10-22 2023-01-25  In some circumstances we have the opportunity or need to measure the glaciers in mid-season (Dec).                     View the dates the measurements were made at the following URL: http://mcmlter.lternet.edu/data/glaciers/timing/stkdates.pdf              https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-adams-snowdepth-20250311.csv ADAGLSNDPT eng; US McMurdo Dry Valleys LTER ADAGLSNDPT Data Source Definition : Adams Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 1 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-adams-snowdepth-20250311.csv https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-canada-snowdepth-20250311.csv CANGLSNDPT eng; US McMurdo Dry Valleys LTER CANGLSNDPT Data Source Definition : Canada Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 1 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-canada-snowdepth-20250311.csv https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-commonwealth-snowdepth-20250311.csv COMGLSNDPT eng; US McMurdo Dry Valleys LTER COMGLSNDPT Data Source Definition : Commonwealth Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 1 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-commonwealth-snowdepth-20250311.csv https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-howard-snowdepth-20250311.csv HOWGLSNDPT eng; US McMurdo Dry Valleys LTER HOWGLSNDPT Data Source Definition : Howard Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 1 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-howard-snowdepth-20250311.csv https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-taylor-snowdepth-20250311.csv TAYGLSNDPT eng; US McMurdo Dry Valleys LTER TAYGLSNDPT Data Source Definition : Taylor Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 1 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/data/mcmlter-glac-taylor-snowdepth-20250311.csv https://mcm.lternet.edu/sites/default/files/HUGH_GLSNDPT.csv HUGH_GLSNDPT eng; US McMurdo Dry Valleys LTER HUGH_GLSNDPT Data Source Definition : Hughes Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 27 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/HUGH_GLSNDPT.csv https://mcm.lternet.edu/sites/default/files/SUES_GLSNDPT.csv SUES_GLSNDPT eng; US McMurdo Dry Valleys LTER SUES_GLSNDPT Data Source Definition : Suess Glacier - Snow Depths Record Delimiter : \n Number of Header Lines : 27 Number of Footer Lines : 1 Orientation : Column Quote Character : "Field Delimiter : , false DATASET CODE Code representing stake heights table GLACIER NAME OF GLACIER WHERE MEASUREMENT WAS MADE STAKE UNIQUE NUMBER FOR EACH STAKE ON GLACIER STAKE_REPLCMNT Letter corresponding to original and replacement stakes (A = original, B = first replacement, C = second replacement etc.) DATE_TIME DATE OF DATA MEASUREMENT Date Time Format: MM/DD/YYYY SURFACE Surface material to which measurement is made SNOW_DEPTH_REP_1 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_2 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_3 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_REP_4 Snow depth measurement (1 to 4) from bottom of board to ice surface SNOW_DEPTH_COMMENTS Comments regarding stake height measurements GLSTKID CODE FROM GLACIER / STAKE/ DATE OF COORDINATE MEASUREMENT (TO BE USED FOR GIS MAPPING) FILE NAME RAW DATA FILE CONTAINING INFORMATION DBF https://mcm.lternet.edu/sites/default/files/SUES_GLSNDPT.csv dataset Metadata Access Constraints: none Metadata Use Constraints: none annually McMurdo Dry Valleys LTER http://mcmlter.org/ pointOfContact