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USGS 473425095052715 1302G-00 Bemidji Toxics Research Site

PROVISIONAL DATA SUBJECT TO REVISION

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Bemidji Toxics Research Site Monitoring Site 1302G-00
County: Beltrami
Township: Lamers (T147N R35W)
Location: In forest, 3.7 miles north of US Hwy. 2, 2.3 miles SE of Pinewood, MN
Land-surface elevation: 1411.33 ±0.07 feet, NAVD88
Installation: May 23, 2013, for the Bemidji Toxics Research Site
   
Site Information
Total Drilling Depth: 23.5 feet
Use: Monitoring, for the U.S. Geological Survey. This is a continuous data monitoring station, which is monitoring various parameters in the vadose/unsaturated zone, at a crude oil spill site. At this site's location, crude oil is floating on-top of the groundwater, at the water table.
   


USGS logo

This site is operated in cooperation with the U.S. Geological Survey's Toxic Substances Hydrology Program, Minnesota Pollution Control Agency, Enbridge Energy Inc., and Beltrami County.

Soil temperature is accurate to 0.1°C, and differences in temperature are accurate to 0.1°C.

Soil moisture is accurate to 3%, and differences in soil moisture are accurate to <0.05%. The sensors used to record soil moisture at these sites measure liquid water. When soil water freezes in the vicinity of the sensors, the sensors record an apparent decrease in soil moisture. This apparent decrease in soil moisture is caused by the sensors’ inability to detect frozen water rather than actual changes in soil water content. For the uppermost sensor (0-30cm) at this site, soil moisture values are variably affected by freezing beginning with the onset of soil frost in the fall and continuing through spring thaw. It is difficult to ascertain how much of the soil moisture changes during the fall to spring periods are due to freezing/thawing of soil water versus infiltration of precipitation or thawing snow. Sensors installed at 50cm and below have a much more pronounced decrease in soil moisture when soil water freezes, followed by a subsequent sharp increase when soil water thaws.

This station managed by the Mounds View Field Office.

Available Parameters Period of Record
  
2022-09-29  2025-09-27
2022-09-29  2025-09-27
2022-09-29  2025-09-27
2022-09-29  2025-09-27
2022-09-29  2025-09-27
2022-09-29  2025-09-27
2022-11-18  2025-09-27
2022-09-29  2025-09-27
2022-11-18  2025-09-27
2022-09-29  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2018-09-24
2013-10-25  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2018-09-24
2019-10-18  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2018-09-24
2013-10-25  2025-09-27
2013-07-26  2025-09-27
2013-07-26  2018-09-24
2019-10-18  2025-09-27
2013-07-26  2025-09-27






 (365)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD

Graph of DAILY Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas

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Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD, [(2)]

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Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD, [(3)]

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Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 340 cm (11.15 ft.) below LSD

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Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 470 cm (15.42 ft.) below LSD

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Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 50 cm (1.64 ft.) below LSD

Graph of DAILY Oxygen, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas

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Carbon dioxide, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD

Graph of DAILY Carbon dioxide, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas

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Carbon dioxide, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD, [(2)]

Graph of DAILY Carbon dioxide, soil gas, in situ, sensor reading uncorrected for temperature and pressure, percent of soil gas, [(2)]

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Carbon dioxide, soil gas, in situ, sensor reading corrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD

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Carbon dioxide, soil gas, in situ, sensor reading corrected for temperature and pressure, percent of soil gas, 200 cm (6.56 ft.) below LSD, [(2)]

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Soil temperature, degrees Celsius, 104 cm (3.41 ft.) below LSD

Graph of DAILY Soil temperature, degrees Celsius

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Soil temperature, degrees Celsius, 143 cm (4.70 ft.) below LSD

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Soil temperature, degrees Celsius, 198 cm (6.50 ft.) below LSD

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Soil temperature, degrees Celsius, 283 cm (9.28 ft.) below LSD
 
-- Data unavailable for the time period specified --

Soil temperature, degrees Celsius, 30 cm (0.98 ft.) below LSD

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Soil temperature, degrees Celsius, 320 cm (10.50 ft.) below LSD

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Soil temperature, degrees Celsius, 381 cm (12.50 ft.) below LSD
 
-- Data unavailable for the time period specified --

Soil temperature, degrees Celsius, 470 cm (15.42 ft.) below LSD

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Soil temperature, degrees Celsius, 52 cm (1.71 ft.) below LSD

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Moisture content, soil, volumetric, percent of total volume, 104 cm (3.41 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 143 cm (4.70 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 198 cm (6.50 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 283 cm (9.28 ft.) below LSD
 
-- Data unavailable for the time period specified --

Moisture content, soil, volumetric, percent of total volume, 30 cm (0.98 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 320 cm (10.50 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 381 cm (12.50 ft.) below LSD
 
-- Data unavailable for the time period specified --

Moisture content, soil, volumetric, percent of total volume, 470 cm (15.42 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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Moisture content, soil, volumetric, percent of total volume, 52 cm (1.71 ft.) below LSD

Graph of DAILY Moisture content, soil, volumetric, percent of total volume

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