LIMNO_ALPS_FLUOROMETRY English utf8 dataset McMurdo Dry Valleys LTER http://mcmlter.org/ 2017-02-16 ISO 19115-2 Geographic Information - North American Profile Metadata - Data with Biological Extensions ISO 19115-2:2009(E) Lake Bonney Autonomous Lake Profiler and Samplers (ALPS): BBE moldanke Fluoroprobe data 2017-02-16 publication Peter Doran Louisiana State University http://lsu.edu pdoran@lsu.edu https://www.lsu.edu/science/geology/people/faculty/doran.php pointOfContact John Priscu Montana State University http://www.montana.edu/ jpriscu@montana.edu pointOfContact Cristina Takacs-Vesbach University of New Mexico https://www.unm.edu/ cvesbach@unm.edu http://www.wildmicrobiome.org pointOfContact documentDigital Knowledge of the McMurdo Dry Valley (MDV) lakes is limited by winter access, a period which is most relevant in understanding the habitability of other icy worlds and critical to understanding the overall function of these lakes.  Owing to the lack of winter access, data that normally require human presence are incomplete.  Our goal was to conduct the first year-round investigation of the biogeophysics of these unique lakes.  An important part of the McMurdo Long Term Ecological Research (LTER) is evaluating carbon and nitrogen budgets in perennial ice-covered lakes. This data set addresses this core area of research and quantifies the fluorometric characteristics of phytoplankton species year-round Name: Luke Winslow Role: field crew Name: Heather Buelow Role: field crew Name: Jeff Patriarche Role: field crew Name: Maciej K. Obryk Role: field crew Name: Amy Chiuchiolo Role: lab crew Name: Jeff Patriarche Role: lab crew Name: Inigo San Gil Role: data manager completed McMurdo Dry Valleys LTER http://mcmlter.org/ English Lake Bonney is a saline lake with permanent ice cover at the western end of Taylor Valley in the McMurdo Dry Valleys of Victoria Land, Antarctica. It is 7 kilometres or 4.3 mi long and up to 900 metres or 3,000 ft wide. A narrow channel only 50 metres or 160 ft wide. Lake Bonney at Narrows separates the lake into East Lake Bonney 3.32 square kilometres or 1.28 sq mi and West Lake Bonney, 0.99 square kilometres or 0.38 sq mi. The west lobe is flanked by Taylor glacier. Valley: Taylor Distance to Sea : 25 Maximum Length (km): 4.8 Maximum Width (km): 0.9 Maximum Depth (m): 37 Surface Area (km^2): 3.32 Ice Thickness Average Surface (m): 3 - 4.5 Volume (m^3 * 10^6): 54.7 162.536209106445 162.353210449219 -77.724441528320 -77.697700500488 Lake Bonney is a saline lake with permanent ice cover at the western end of Taylor Valley in the McMurdo Dry Valleys of Victoria Land, Antarctica. It is 7 kilometres or 4.3 mi long and up to 900 metres or 3,000 ft wide. A narrow channel only 50 metres or 160 ft wide. Lake Bonney at Narrows separates the lake into East Lake Bonney 3.32 square kilometres or 1.28 sq mi and West Lake Bonney, 0.99 square kilometres or 0.38 sq mi. Valley: Taylor Distance to Sea : 28 Maximum Length (km): 2.6 Maximum Width (km): 0.9 Maximum Depth (m): 40 Surface Area (km^2): 0.99 Ice Thickness Average Surface (m): 2.8-4.5 Volume (m^3 * 10^6): 10.1 162.354934692383 162.269104003906 -77.727287292480 -77.714805603027 ground condition 2013-12-01 2014-12-12 https://mcm.lternet.edu/sites/default/files/data/ALPS_ELB_fluorometry.csv ALPS_ELB_Fluorometry eng; US McMurdo Dry Valleys LTER ALPS_ELB_Fluorometry Data Source Definition : Details about the data in the spreadsheet container, labels, definitions, units used, missing values.  Number of Header Lines : 1 Orientation : Column Field Delimiter : , false DATE_TIME Date and time sample was collected Date Time Format: MM/DD/YYYY HH24:MI:SS LED 525nm Raw fluorescence value from 525 nm LED LED 570nm Raw fluorescence value from 570 nm LED 610nm Raw fluorescence value from 610 nm LED 370nm Raw fluorescence value from 370 nm LED LED 590nm Raw fluorescence value from 590 nm LED LED 470nm Raw fluorescence value from 470 nm LED TEMPERATURE Temperature in celsius TRANSMISSION Total light transmission Algal_Group_1 Calculated concentration of Green Algae (Chlorophyta and Euglenphyta). Pigments: chl-a, chl-b, xantophyll Algal_Group_2 Calculated concentration of Blue Algae (Cyanobacteria). Pigments: pycoerythrin, or picocyanin Algal_Group_3 Calculated concentration of Brown/Mixed Algae (Haptophyta, Chrysophyceae, Bacillariophyceae, Dinophyceae). Pigments: chl-a, chl-c, xanthophyll (often fucoxanthin or peridinin) Algal_Group_4 Calculated concentration of Cryptophytes (cryptophyceaea). Pigments: chl-a, phycobilisomes (mainly phycocyanin) Algal_Group_8 Calculated concentration of Yellow Substances. Not algae, but chromophoric dissolved organic matter (CDOM) Chi Squared Statistic Chi Squared of algal group fits DBF https://mcm.lternet.edu/sites/default/files/data/ALPS_ELB_fluorometry.csv https://mcm.lternet.edu/sites/default/files/data/ALPS_WLB_fluorometry.csv ALPS_WLB_Fluorometry eng; US McMurdo Dry Valleys LTER ALPS_WLB_Fluorometry Data Source Definition : Details about the data in the spreadsheet container, labels, definitions, units used, missing values.  Record Delimiter : \r\n Number of Header Lines : 1 Orientation : Column Field Delimiter : , false DATE_TIME Date and time sample was collected Date Time Format: MM/DD/YYYY HH24:MI:SS LED 525nm Raw fluorescence value from 525 nm LED LED 570nm Raw fluorescence value from 570 nm LED 610nm Raw fluorescence value from 610 nm LED 370nm Raw fluorescence value from 370 nm LED LED 590nm Raw fluorescence value from 590 nm LED LED 470nm Raw fluorescence value from 470 nm LED TEMPERATURE Temperature in celsius TRANSMISSION Total light transmission Algal_Group_1 Calculated concentration of Green Algae (Chlorophyta and Euglenphyta). Pigments: chl-a, chl-b, xantophyll Algal_Group_2 Calculated concentration of Blue Algae (Cyanobacteria). Pigments: pycoerythrin, or picocyanin Algal_Group_3 Calculated concentration of Brown/Mixed Algae (Haptophyta, Chrysophyceae, Bacillariophyceae, Dinophyceae). Pigments: chl-a, chl-c, xanthophyll (often fucoxanthin or peridinin) Algal_Group_4 Calculated concentration of Cryptophytes (cryptophyceaea). Pigments: chl-a, phycobilisomes (mainly phycocyanin) Algal_Group_8 Calculated concentration of Yellow Substances. Not algae, but chromophoric dissolved organic matter (CDOM) Chi Squared Statistic Chi Squared of algal group fits DBF https://mcm.lternet.edu/sites/default/files/data/ALPS_WLB_fluorometry.csv dataset Data are direct output from BBE Fluoroprobe based on factory calibration.  Metadata Access Constraints: none Metadata Use Constraints: none annually McMurdo Dry Valleys LTER http://mcmlter.org/ pointOfContact