uid=MCM,o=EDI,dc=edirepository,dc=org all public read STREAM_NUTRIENTS Nitrogen and phosphorus concentrations in glacial meltwater streams, McMurdo Dry Valleys, Antarctica (1993-2020, ongoing) Michael Gooseff michael.gooseff@colorado.edu http://goosefflab.weebly.com https://orcid.org/0000-0003-4322-8315 W. Berry Lyons
275 Mendenhall Lab Columbus OH 43210 US
(614) 688-3241 lyons.142@osu.edu http://research.bpcrc.osu.edu/EnvironmentalGeochemistry/ https://orcid.org/0000-0002-3143-7251
McMurdo Dry Valleys LTER http://mcmlter.org/ Kathleen Welch kathleen.welch@colorado.edu https://orcid.org/0000-0003-1028-3086 lab technician Renée Brown rfbrown@unm.edu https://orcid.org/0000-0002-4986-7663 data manager 2022-02-04 English
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 the glacial meltwater streams in that region. This table contains macronutrient concentrations (nitrate, nitrite, ammonium, soluble reactive phosphorus) found at specific locations in McMurdo Dry Valley streams.
ammonium chemistry nitrate nitrite phosphorus stream Station Keywords inorganic nutrients LTER Core Areas
Data Policies This data package is released under the Creative Commons Attribution 4.0 International License (CC BY 4.0; http://creativecommons.org/licenses/by/4.0/), which allows consumers (hereinafter referred to as “Data Users”) to freely reuse, redistribute, transform, or build on this work (even commercially) so long as appropriate credit is provided. Accordingly, Data Users are required to properly cite this data package in any publications or in the metadata of any derived products that result from its use (in whole or in part). A recommended citation is provided on the summary metadata page associated with this data package in the McMurdo Dry Valleys LTER Data Catalog (https://mcmlter.org/data), and a generic citation may be found on the summary metadata page in the repository where this data package was obtained. When these data contribute significantly to the contents of a publication, Data Users must also acknowledge that data were provided by the NSF-supported McMurdo Dry Valleys Long Term Ecological Research program (OPP-1637708). This data package has been released in the spirit of open scientific collaboration. Hence, Data Users are strongly encouraged to consider consultation, collaboration, and/or co-authorship (as appropriate) with the data package creator(s). Data Users should be aware these data may be actively used by others for ongoing research; thus, coordination may be necessary to prevent duplicate publication. Data Users should also recognize that misinterpretation of data may occur if they are used outside the context of the original study. Hence, Data Users are urged to contact the data package creator(s) if they have any questions regarding methodology or results. While substantial efforts are made to ensure the accuracy of this data package (with all its components), complete accuracy cannot be guaranteed. Periodic updates to this data package may occur, and it is the responsibility of Data Users to check for new versions. This data package is made available “as is” and comes with no warranty of accuracy or fitness for use. The creator(s) of this data package and the repository where these data were obtained shall not be liable for any damages resulting from misinterpretation, use, or misuse of these data. Finally, as a professional courtesy, we kindly request Data Users notify the primary contact referenced in the metadata when these data are used in the production of any derivative work or publication. Notification should include an explanation of how the data were used, along with a digital copy of the derived product(s). Thank you.
https://mcm.lternet.edu/content/nitrogen-and-phosphorus-concentrations-glacial-meltwater-streams-mcmurdo-dry-valleys USGS site 4;coordinates taken from 1996-97GPS measurements at center of weirParent Stream: Aiken CreekProvenance : GPS96-97.DOCID: aiken_f5 163.271942100000 163.271942100000 -77.602516000000 -77.602516000000 20 20 meter USGS site 9; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Andersen Creek Provenance : GPS96-97.DOC ID: andrsn_h1 162.906356800000 162.906356800000 -77.622772000000 -77.622772000000 78 78 meter Andrews Creek at mouth ID: andrws_mouth 163.044448852539 163.044448852539 -77.620834350586 -77.620834350586 Bartlette Creek at mouth ID: bartlt_mouth 162.416671752930 162.416671752930 -77.720832824707 -77.720832824707 Coordinates based on averaging the starting and ending points of the 'Bohner stream at lower site' transect (measurements are occasionally made in middle of the established transect) Parent Stream: Bohner Stream Provenance : StreamsIC-97-98_ques.txt ID: bohnr_lower 162.561920200000 162.561920200000 -77.697334000000 -77.697334000000 Bohner Stream at mouthId: bohnr_mouth 162.544788000000 162.544788000000 -77.695564000000 -77.695564000000 Bowles Creek at mouth ID: bowles_mouth 163.050003051758 163.050003051758 -77.622222900391 -77.622222900391 USGS site 1; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Canada Stream Provenance : GPS96-97.DOC ID: canada_f1 163.054733300000 163.054733300000 -77.613655000000 -77.613655000000 50 50 meter Commonwealth Stream at C1 ID: common_c1 USGS site 13 163.380828900000 163.380828900000 -77.563332000000 -77.563332000000 USGS site 6; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Crescent Stream Provenance : GPS96-97.DOC ID: crescent_f8 163.184463500000 163.184463500000 -77.619064000000 -77.619064000000 23 23 meter USGS site 7; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Delta Stream Provenance : GPS96-97.DOC ID: delta_f10 163.108444200000 163.108444200000 -77.624619000000 -77.624619000000 23 23 meter Green Creek at F9Description: USGS site 8; coordinates taken from 1996-97 GPS measurements at center of weirID: green_f9 Provenance File Name :GPS96-97.DOC 163.059753417969 163.059753417969 -77.624099731445 -77.624099731445 25 25 meter Harnish Creek at F7ID: harnish_f7USGS site 17 163.232772827148 163.232772827148 -77.608329772949 -77.608329772949 Harnish Creek Tributary at F11Description: USGS site 20; coordinates taken from 1996-97 GPS measurements at center of weirID: harnish_f11File Name :GPS96-97.DOC 163.269515991211 163.269515991211 -77.621246337891 -77.621246337891 79 79 meter House Stream at H2Description: USGS site 10; coordinates taken from 1996-97 GPS measurements at center of weirID: house_h2Provenance File Name :GPS96-97.DOC 162.741317749023 162.741317749023 -77.642982482910 -77.642982482910 81 81 meter USGS site 2; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Huey Creek Provenance : GPS96-97.DOC ID: huey_f2 163.127410900000 163.127410900000 -77.604897000000 -77.604897000000 19 19 meter USGS site 16 Parent Stream: Lawson Creek id: lawson_b3 162.269910000000 162.269910000000 -77.721248000000 -77.721248000000 Lizotte Creek at mouth ID: lizotte_mouth 162.483337402344 162.483337402344 -77.704170227051 -77.704170227051 USGS site 3; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Lost Seal Stream Provenance : GPS96-97.DOC ID: lostseal_f3 163.244400000000 163.244400000000 -77.595268000000 -77.595268000000 25 25 meter Lyons Creek at B4 ID: lyons_b4 USGS site 19 162.274993900000 162.274993900000 -77.727776000000 -77.727776000000 Mariah Creek at mouth ID: mariah_mouth 163.047226000000 163.047226000000 -77.623611000000 -77.623611000000 Mason Creek at Mouth ID: mason_mouth 162.274993900000 162.274993900000 -77.729164000000 -77.729164000000 McKay Creek at mouth. Id: mckay_mouth 162.747222900000 162.747222900000 -77.644722000000 -77.644722000000 0 0 meter McKnight Creek at mouth ID: mcknight_mouth 163.264724700000 163.264724700000 -77.599724000000 -77.599724000000 USGS site 15; kiwi site 3500002; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Onyx River Provenance : GPS96-97.DOC ID: onyx_lwright 162.653533900000 162.653533900000 -77.444534000000 -77.444534000000 273 273 meter USGS site 14; kiwi site 3500001; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Onyx River Provenance : GPS96-97.DOC ID: onyx_vnda 161.696624800000 161.696624800000 -77.523430000000 -77.523430000000 101 101 meter Priscu Stream at B1 Id: priscu_b1 USGS Site 11 162.534729000000 162.534729000000 -77.699997000000 -77.699997000000 Red River art Blood Falls ID: red_bfalls 162.268051147461 162.268051147461 -77.723335266113 -77.723335266113 Santa Fe Stream at B2 ID: santafe_b2 USGS site 12; formerly N Taylor & Hendy Stream 162.266662597656 162.266662597656 -77.723052978516 -77.723052978516 0 0 meter Sharp Creek at mouth. Id: sharp_mouth 162.247222900391 162.247222900391 -77.722221374512 -77.722221374512 Von Guerard stream at upper site ID: vguerard_upper Coordinates based on averaging the starting and ending points of the 'Von Guerard stream at upper site' transect (measurements are occasionally made in middle of the established transect) 163.306304931641 163.306304931641 -77.634384155273 -77.634384155273 USGS site 5; coordinates taken from 1996-97 GPS measurements at center of weir Parent Stream: Von Guerard Stream Provenance : GPS96-97.DOC ID: vguerard_f6 163.253997802734 163.253997802734 -77.608200073242 -77.608200073242 19 19 meter Von Guerard Stream at F21. Id: uvg_f21.This was an ill-fated upstream gage on Von Guerard, 2.5 kilometers upstream from F6.  It was installed during the lowest season of record (00-01) and then promptly destroyed during the 01-02 season.  It's parts were stripped and it never generated a hydrology database, but was certainly sampled. 163.301254272461 163.301254272461 -77.626380920410 -77.626380920410 0 0 meter Coordinates taken from 1996-97 GPS measurements at center of stream where it enters Lake Fryxell Parent Stream: Von Guerard Stream Provenance : GPS96-97.DOC ID: vguerard_mouth 163.253005981445 163.253005981445 -77.607597351074 -77.607597351074 18 18 meter Vincent Creek at mouth (vincent_mouth) 162.425003051758 162.425003051758 -77.720275878906 -77.720275878906 Wharton Creek at mouth. ID: wharton_mouth 162.747222900391 162.747222900391 -77.645835876465 -77.645835876465 0 0 meter 1993-12-02 2020-12-14 In 2016, data gathered at non-core locations (places monitored for the long term) was added to this dataset, going back to the 2007/2008 season.   In 2015, the metadata was migrated to DEIMS to enhance the McMurdo LTER services. In 2008, Kathy Welch and the Information Manager (Chris Gardner went through the stream nutrients table and QA/QCd every season. All molar units were converted back to mass units (ug/L) and an Oracle View was created to make the conversion to molar units automatic in order to avoid human conversion errors. Many previously-reported values were also found to be below the known detection limit analyzed on the Lachat. These were flagged as ND, and put into the comments column. All pre-LTER data were removed from the table because there were many duplicate stream gauge ID/ dates with no times. There were also many non-core locations in the table. Constraints were added to the new database to ensure non-core data are not added in the future, and no duplicate stream gauge ID/DATE_TIMEs can be added. The original iterations of the 'strmnutr' file (stream nutrient data) were created by Kathy Welch, and submitted to Denise Steigerwald (the data manager) at the Institute of Arctic and Alpine Research (INSTAAR). These files are currently located on the PC in the data manager's office at INSTAAR. Following discussions between Kathy Welch and Denise Steigerwald, it was decided to add some fields (eg. strmgageid, collection date, comments for each type of measurement) to these files in order to make them more consistent and relational for future references. Following these revisions, they were imported into Microsoft Access and saved in a table named "Stream Nutrients". This table was exported as an ascii, text, comma delimited file (strmnutr.dat) and as an MS-DOS text, table layout file (strmnutr.txt), to present on the MCM LTER web site. Both of these files are linked to this web page above. McMurdo Dry Valleys LTER Information Manager im@mcmlter.org McMurdo Dry Valleys LTER http://mcmlter.org/ McMurdo Dry Valleys LTER
All samples are analyzed in the Crary Lab in McMurdo using a Lachat Autoanalyzer, unless noted otherwise
STREAM_NUTRIENTS Details on the stream nutrients spreadsheet, such as scientifics units used, measurement definitions and other supporting information to interpret accurately the data provided in the spreadsheet columns,  mcmlter-strm-nutrients-20220201.csv 737062 1 1 \n column , " https://mcm.lternet.edu/sites/default/files/data/mcmlter-strm-nutrients-20220201.csv DATASET_CODE Dataset code Code representing stream nutrients dataset string Code representing stream nutrients dataset strmgageid strmgageid Code representing stream gauge station string Code representing stream gauge station LOCATION NAME Location Name of stream gauge station string Name of stream gauge station Sample Name Sample Name An ID to Name the sample string An ID to Name the sample DATE_TIME DATE_TIME Date/time of sample (McMurdo time) date MM/DD/YYYY HH24:mi N-NO3 (ug/L) N-NO3 (ug/L) nitrate concentration in mass units microgramsPerLiter 0.1 real -1.0 Null None given N-NO3 (uM) N-NO3 (microM) nitrate concentration in molar units microM 0.001 real -1.0 Null None given N-NO3 Comments N-NO3 Comments Comments on nitrate measurements string Comments on nitrate measurements N-NO2 (ug/L) N-NO2 (ug/L) nitrite concentration in mass units microgramsPerLiter 0.1 real -1.0 Null None given N-NO2 (uM) NO2 (microM) nitrite concentration in molar units microM 0.1 real -1.0 Null None given N-NO2 Comments N-NO2 Comments Comments on nitrite measurements string Comments on nitrite measurements N-NH4 (ug/L) N-NH4 (ug/L) ammonium concentration in mass units microgramsPerLiter 0.1 real -1.0 Null None given N-NH4 (uM) NH4 (microM) ammonium concentration in molar units microM 0.1 real -1.0 Null None given N-NH4 Comments N-NH4 Comments Comments on ammonium measurements string Comments on ammonium measurements SRP (ug/L) SRP (ug/L) Soluble Reactive P concentration in mass units microgramsPerLiter 0.1 real -1.0 Null None given SRP (uM) SRP (microM) Soluble Reactive P concentration in molar units microM 0.1 real -1.0 Null None given SRP Comments SRP Comments Comments on Soluble Reactive P measurements string Comments on Soluble Reactive P measurements SAMPLE_COMMENTS SAMPLE_COMMENTS General Comments about the sample - applies to all analytes string General Comments about the sample - applies to all analytes Data_Source Data_Source file name and/or location of data documentation string file name and/or location of data documentation Analytical_Method Analytical_Method Method / instrument used to measure nutrient concentrations string Method / instrument used to measure nutrient concentrations