uid=BNZ,o=EDI,dc=edirepository,dc=org all public read knb-lter-bnz.147.20 Jonathan O'Donnell Affiliate Scientist

4175 Geist Rd. Fairbanks Alaska 99709 United States

(907) 455-0631 907-455-0601 jonathan_a_o'donnell@nps.gov Jeremy Boyd Jones Co-Principal Investigator

Institute of Arctic Biology; Department of Biology and Wildlife; University of Alaska Fairbanks Fairbanks AK 99775 Unites States

(907) 474-7972 (907) 474-6967 Jay.Jones@alaska.edu http://www.iab.uaf.edu/people/jay_jones/ Bonanza Creek LTER

Boreal Ecology Cooperative Research Unit University of Alaska Fairbanks P.O. Box 756780 Fairbanks AK 99775 USA

907-474-6364 907-474-6251 uaf-bnz-im-team@alaska.edu http://www.lter.uaf.edu Bonanza Creek LTER Data Manager

Boreal Ecology Cooperative Research Unit University of Alaska Fairbanks P.O. Box 756780 Fairbanks AK 99775 USA

907-474-6364 907-474-6251 uaf-bnz-im-team@alaska.edu http://www.lter.uaf.edu 2006-01-01 Groundwater was sample from wells in the riparian zone of a high permafrost (C3) and low permafrost watershed (C2) in Caribou-Poker Creeks Research Watershed in interior Alaska. Each sample was measured for a suite of solutes (anions, cations, dissolved organic carbon, total dissolved nitrogen, conductivity, pH). To analyze spatial and temporal patterns of solutes in riparian groundwater and to determine calculate groundwater inputs to stream chemistry. dissolved organic carbon water chemistry watersheds ammonium groundwater Biogeochemistry

This work has been produced as part of the Long Term Ecological Research Program and data users should adhere to the Data Use Agreement of the Long Term Ecological Research Network. The consumer of these data (“Data User” herein) has an ethical obligation to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or coauthorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available “as is.” The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

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http://www.lter.uaf.edu/data/data-detail/id/147 Dataset geographic description information is unavailable. {datafile/geoCoverage is empty} -147.603928 -147.5713145 65.15876438 65.14329713 2003-05-01 2003-08-31

Field Notebook � Jon O�Donnell�s field notebook from summer 2003-2004.

Completed

Bonanza Creek LTER Data Manager

Boreal Ecology Cooperative Research Unit University of Alaska Fairbanks P.O. Box 756780 Fairbanks AK 99775 USA

907-474-6364 907-474-6251 uaf-bnz-im-team@alaska.edu http://www.lter.uaf.edu Bonanza Creek LTER

Boreal Ecology Cooperative Research Unit University of Alaska Fairbanks P.O. Box 756780 Fairbanks AK 99775 USA

907-474-6364 Bonanza Creek LTER

Groundwater wells were installed in each catchment in April 2003 in transects (n = 6) that extended laterally from the stream-riparian interface to the riparian-upland boundary. Transects consisted of four wells each. The first three wells were installed at distances from the steam channel of 1, 5 and 10 m. The last well was installed at the edge of the valley bottom adjacent to the hill slope at distances from 15 to 30 m depending on the valley bottom width. Transects spanned a 300 m reach of stream in both catchments. Wells were constructed of PVC pipe (1.25 cm ID) that were installed to a depth of 1 m; wells were perforated with 3 mm holes spaced every 5 cm from 10 to 95 cm below the soil surface. Stream and groundwater samples were collected every two weeks in 2003 from May 22 to August 11. Groundwater samples were stored at 4�C until analysis (within 48 hours of sampling).

Field methods: Stream and groundwater samples were collected every two weeks in 2003 from May 22 to August 11. Groundwater samples were stored at 4degC until analysis (within 48 hours of sampling). Additionally, thaw depth was measured in conjunction with collection of groundwater samples at each well location by inserting a graduated stainless-steel depth probe into the soil until permafrost was contacted (thaw depth was also measured in 2004). Lab methods: For groundwater samples, cations (Ca2+, K+, Mg2+, Na+, NH4+) and anions (Cl-, NO2-, NO3-, PO43-, SO42-) were analysed on a Dionex DX-320 Ion Chromatograph (Dionex Corporation, Sunnvale, CA, USA). Soil extractions were only analysed for anions. DOC and total dissolved nitrogen (TDN) were determined using a Shimadzu TOC-5000 analyser (Shimadzu Scientific Instruments, Columbia, MD, USA) plumbed to an Antek 7050 nitric oxide chemoluminescent detector (Antek Electronic Ltd. Co., Houston, TX, USA). Conductivity was measured on groundwater samples using a conductivity meter. Instrumentation used: Dionex DX-320 Ion Chromatograph Shimadzu TOC-5000 analyser plumbed to an Antek 7050 nitric oxide

C2 -- The tributary basins of Caribou Creek are all arbitrarily designated with a "C". The C2 basin is the sub-basin with the least amount of permafrost of the CPCRW sub-basins. As such, it has been often been studied intensively in conjunction with C3, the sub-basin with the greatest amount of permafrost. The basin trends to the south, with well-drained slopes and permafrost-underlain treeless muskeg in valley bottom. Although an extensive fire history has not been done, there was probably a stand-replacing fire early in this century (ca. 1925), with some large white spruce stands that survived from the earlier vegetation.. Site alternate names: C-2, C2-1100, C2 Flume -147.603928 -147.603928 65.15876438 65.15876438 C3 -- The tributary basins of Caribou Creek are all arbitrarily designated with a "C". The C3 basin is the sub-basin with the most permafrost of the CPCRW sub-basins. As such, it has been often been studied intensively in conjunction with C2, the sub-basin with the least amount of permafrost. The basin trends to the northeast, with black spruce/feather moss slopes and permafrost-underlain treeless muskeg in valley bottom.. Site alternate names: C-3 -147.5713145 -147.5713145 65.14329713 65.14329713 2003-05-01 2003-08-31

every 2 weeks

Keith Van Cleve Bonanza Creek LTER Lead Principal Investigator Principal Investigator F.S. Stuart Chapin Bonanza Creek LTER Lead Principal Investigator

Department of Biology and Wildlife; Institute of Arctic Biology: University of Alaska Fairbanks 193 Arctic Health P.O. Box 757000 Fairbanks AK 99775 United States

(907) 455-6408 (907) 474-6967 terry.chapin@alaska.edu http://terrychapin.org/ Principal Investigator Roger W. Ruess Bonanza Creek LTER Lead Principal Investigator

Institute of Arctic Biology University of Alaska Fairbanks P.O. Box 757000 Fairbanks AK 99775-0180 United States

(907) 474-7153 (907) 474-6967 rwruess@alaska.edu http://www.iab.uaf.edu/~roger_ruess/ Principal Investigator Michelle Cailin Mack Bonanza Creek LTER Lead Principal Investigator

Northern Arizona University: Ecosystem Science and Society Center (ECOSS) PO Box 5620 Flagstaff AZ 86011 United States

(928) 523-9415 Michelle.Mack@nau.edu https://macklab.nau.edu/ Principal Investigator NSF Grant numbers DEB-2224776, DEB-1636476, DEB-1026415, DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629 USDA Forest Service, Pacific Northwest Research Station (Agreement # RJVA-PNW-20-JV-11261932-018) groundwater_chemistry_CPCRW_2003.txt Samples were measured for a suite of solutes (anions, cations, dissolved organic carbon, total dissolved nitrogen, conductivity, pH). groundwater_chemistry_CPCRW_2003.txt 1 \n \n column \t http://www.lter.uaf.edu/php/download_data.php?f=/ascii/files/groundwater_chemistry_CPCRW_2003.txt Date Date Sample date for each measurement string dd/mm/yy -999 Missing Value Watershed Watershed Watershed site name string Watershed site name Distance Distance Distance of groundwater well for stream integer meter real Fluoride Fluoride fluoride concentration in groundwater float fluoride concentration in groundwater -999 Missing Value Acetate Acetate acetate concentration in groundwater float acetate concentration in groundwater -999 Missing Value Formate Formate formate concentration in groundwater float �M real -999 Missing Value Chloride Chloride chloride concentration in groundwater float �M real -999 Missing Value Nitrite Nitrite nitrite concentration in groundwater float �M real -999 Missing Value Bromide Bromide Bromide concentration in groundwater float �M real -999 Missing Value Nitrate Nitrate nitrate concentration in groundwater float �M real -999 Missing Value Sulfate Sulfate sulfate concentration in groundwater float �M real -999 Missing Value Phosphate Phosphate phosphate concentration in groundwater float �M real -999 Missing Value DOC DOC dissolved organic carbon (DOC) concentration in groundwater float �M real . Missing Value Sodium Sodium sodium concentration in groundwater float �M real -999 Missing Value Ammonium Ammonium ammonium concentration in groundwater float �M real -999 Missing Value Magnesium Magnesium magnesium concentration in groundwater float �M real -999 Missing Value Potassium Potassium potassium concentration in groundwater float �M real -999 Missing Value Calcium Calcium calcium concentration in groundwater float �M real -999 Missing Value Thaw Depth Thaw Depth depth of unfrozen soil within the active layer float centimeter real -999 Missing Value