91peodis B. Peterson USGS/Fairbanks additional investigator Nancy Parmentier additional investigator Linda Deegan additional investigator Carolyn additional investigator Bauman additional investigator Bernie Moller additional investigator Daily discharge data for Oksrukuyik Creek for May 27 - August 25 1991, calculated from stage height data collected on USGS chart recorder. Oksrukuyik Creek discharge stage USGS Acceptance and utilization of LTER data requires that: The Principal Investigator be sent a notice stating reasons for acquiring any data and a description of the publication intentions. The Principal Investigator of the data set be sent a copy of the report or manuscript prior to submission and be adequately cited in any resultant publications A copy of any resultant publications should be sent to: Principal Investigator Ecosystems Center Marine Biological Laboratory Woods Hole, MA 02543 http://ecosystems.mbl.edu/ARC/data/91peodis.dat The Oksrukuyik Creek crossing at the Dalton Highway. Lat 68 41'13", long 19 05'42", in NE1/2, sec.4, T.9 S., R.13E., on left bank 30 ft downstream from culvert, at mile 297.9 Dalton Hwy, 14 mi south of Pump Station 3, and 16.5 mi upstream from mouth. USGS Hydrologic Unit 19060402. -149.75 -149.0433 68.8 68.5 610 1360 meter 1991 Log of changes: For Archival Use: DATE RECEIVED: 14 December 1991 DATA FILE ENTERED BY: Nancy Parmentier DATA FILE VALIDATION: NAME: Nancy Parmentierman DATE: 14 December, 1991 Data Manager

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7496 arc_im@mbl.edu http://ecosystems.mbl.edu/ARC/ ARC LTER

The Ecosystems Center Marine Biological Lab 7 MBL St Woods Hole MA 02543 USA

(508) 289 7496 arc_im@mbl.edu http://ecosystems.mbl.edu/ARC/ Stage height measurements taken at gauging station and discharge calculated from stage height by using a "stage/discharge relationship". Notes: Oks Creek stage height data was acquired from the USGS in Fairbanks who use their gauging station on the creek to monitor the stage height. USGS stage height measurements are in feet and were converted to centimeters for further calculation. Discharge was calculated using the 1990 Oksrukuyik discharge rating curve. Discharge = 0.925305872956 + (-0.52412639055)stage + (0.000705907799)stage2 +(0.00000117057)stage3. Discharge was calculated for six stage height readings a day, taken at four hour intervals. It should be noted that after the August 23 pulse there was a significant change in the channel at Oks Creek. Richard Kemnitz from the Fairbanks USGS thought that the channel had filled in approximately 0.5 feet at the low end and 0.3 feet at the high end. Therefore the discharge calculations for August 23-25 may be as much as 30% to high. USGS took a discharge reading after the August 23rd pulse but the data is not yet available. For further information on discharge calculations see the Oksrukuyik Creek 1988 and 1991 Discharge files. GEO-1

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uid=ARC,o=lter,dc=ecoinformatics,dc=org all public read Variable Variable descrip. Precis./Units Coded Missing (Y/N) Values SITE site of measurement y D/D distance from 1984 dripper 0.01 km n DATE Date DDMMMYY n DAY Julian day 1 day n DISCHARGE Calc from USGS stage heights m3/s n -9999 (12) CALCULATIONS Variable Formula Discharge Discharge = 0.925305872956 + (-0.52412639055)stage + (0.000705907799)stage2 +(0.00000117057)stage3. AQUATIC-STREAMS