US Long-Term Ecological Research Network

North Temperate Lakes LTER: High Frequency Meteorological and Dissolved Oxygen Data - Trout Lake Buoy 2004 - current

Abstract
The instrumented buoy on Trout Lake is equipped with a dissolved oxygen sensor, a thermistor chain, and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. The D-Opto dissolved oxygen sensor is 0.5m from the lake surface. Meteorological sensors measure wind speed, wind direction, relative humidity, air temperature, photosynthetically active radiation (PAR), and barometric pressure. Starting in 2005, thermistors were placed every 0.5-1m from the surface through 14m and every 2 to 4m from 14m to the bottom of the water column at 31m. In July 2006, a new thermistor chain was deployed with thermistors placed every meter from the surface through a depth of 19 meters. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Data are averaged to daily values from one minute samples for years 2005 - 2006. Daily values are computed from high resolution data starting in year 2007. Data are averaged to hourly values from one minute samples for years 2005 - 2008, Hourly values are computed from high resolution data starting in year 2009. Hourly and daily values may not be current with high resolution data in the current year. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Core Areas
Dataset ID
117
Date Range
-
Maintenance
ongoing
Metadata Provider
Methods
The instrumented buoy on Trout Lake is equipped with a dissolved oxygen sensor, a thermistor chain, and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. The D-Opto dissolved oxygen sensor is 0.5m from the lake surface. Meteorological sensors measure wind speed, wind direction, relative humidity, air temperature, photosynthetically active radiation (PAR), and barometric pressure. Starting in 2005, thermistors were placed every 0.5-1m from the surface through 14m and every 2 to 4m from 14m to the bottom of the water column at 31m. In July 2006, a new thermistor chain was deployed with thermistors placed every meter from the surface through a depth of 19 meters. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Data are averaged to daily values from one minute samples for years 2005 - 2006. Daily values are computed from high resolution data starting in year 2007. Data are averaged to hourly values from one minute samples for years 2005 - 2008, Hourly values are computed from high resolution data starting in year 2009. Hourly and daily values may not be current with high resolution data in the current year. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples
Short Name
TRBUOY1
Version Number
40

North Temperate Lakes LTER: High Frequency Water Temperature Data - Trout Lake Buoy 2004 - current

Abstract
The instrumented buoy on Trout Lake is equipped with a thermistor chain that measures water temperature from thermistors placed throughout the water column. From 2004 to mid-summer 2006, thermistors were placed every 0.5-1m from the surface through 14m, and every 2 to 4m from 14m to the bottom of the water column at 31m. The surface temperature sensors are attached to floats so that they are as close to the surface as feasible. In July 2006, a new thermistor chain was deployed with sensors placed every meter from the surface through a depth of 19 meters. This configuration lasted through 2008 and was used again 2012-2014. In the period 2009-2011, thermisters were place every meter down to 20m and then every two meters to a final depth of 32m. From 2015 to present, thermistors are spaced 0.25 meters from the surface to 1m, 0.5 meters down to 4 meters depth, and 1m spacing to 14 meters. Four more thermisters are at depths of 16, 20, 25 and 30 meters. Sampling frequency was 10 minutes in 2004-2005 and again 2007-2010. It was 2 minutes in 2006. Since 2011, sampling frequency has been every minute.The Trout Lake buoy is also equipped with a dissolved oxygen sensor and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Number of sites: 1. Hourly and daily averages are computed from the high resolution data.
Core Areas
Dataset ID
116
Date Range
-
Maintenance
ongoing
Metadata Provider
Short Name
TRBUOY2
Version Number
28

North Temperate Lakes LTER: High Frequency Water Temperature Data - Trout Lake Buoy2 - ADCP 2005 - 2006

Abstract
This instrumented buoy on Trout Lake is equipped with a thermistor chain that measures water temperature from depths placed every 0.5-1m from the surface through 13m. The Trout Lake buoy is also equipped with meteorological sensors that provide fundamental information on lake thermal structure and weather conditions. An acoustic Doppler current profiler (ADCP) is associated with this buoy. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Core Areas
Dataset ID
121
Date Range
-
Maintenance
completed
Metadata Provider
Methods
see abstract for methods description
Short Name
TR2BUOY2
Version Number
22

North Temperate Lakes LTER: High Frequency Dissolved Oxygen Data - Trout Lake Buoy2 - ADCP 2005

Abstract
During the fall 2005, this instrumented buoy on Trout Lake was equipped with 4 Greenspan dissolved oxygen sensors placed at depths from the lake surface to 10m. Parameters measured at each depth included dissolved oxygen (DO), DO saturation and water temperature. Currently, this buoy measures air temperature, relative humidity and various wind parameters. It also is equipped with a thermistor chain that measures water temperature from depths placed every 0.5-1m from the surface through 13m. An acoustic Doppler current profiler (ADCP) is associated with this buoy. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Dissolved oxygen (DO) data were collected for period 27 Aug 2005 through 3 Nov 2005. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Core Areas
Dataset ID
122
Date Range
-
LTER Keywords
Maintenance
completed
Metadata Provider
Methods
see abstract for methods description
Short Name
TR2BUOY3
Version Number
26

North Temperate Lakes LTER: High Frequency Water Temperature Data - Trout Bog Buoy 2003 - 2014

Abstract
The instrumented buoy on Trout Bog is equipped with a thermistor chain that measures water temperature from depths ranging from the surface to 7m placed every 0.5-1m throughout the water column. The surface temperature sensors are attached to floats so that they are as close to the surface as feasible. The Trout Bog buoy is also equipped with a dissolved oxygen sensor and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Dataset ID
70
Date Range
-
Maintenance
ongoing
Metadata Provider
Methods
see abstract for methods description
Short Name
TBBUOY2
Version Number
27

North Temperate Lakes LTER: High Frequency Water Temperature - Sparkling Lake Buoy2 2004

Abstract
The second instrumented buoy on Sparkling Lake is equipped with a thermistor chain that measures water temperature from 20 depths ranging from the surface to 7.75m placed at intervals of 1m from the surface to 4m depth and at intervals of 0.25m from 4m to 7.75m. The surface temperature sensors are attached to floats so that they are as close to the surface as feasible. Water temperature data were collected for the period 10 July 2004 through 3 November 2004. Sampling Frequency: 2 minutes Number of sites: 1
Dataset ID
74
Date Range
-
Maintenance
completed
Metadata Provider
Methods
The second instrumented buoy on Sparkling Lake is equipped with a thermistor chain that measures water temperature from 20 depths ranging from the surface to 7.75m placed at intervals of 1m from the surface to 4m depth and at intervals of 0.25m from 4m to 7.75m. Water temperature data were collected for the period 10 July 2004 through 3 November 2004. Sampling Frequency: 2 minutes
Short Name
SPMINI2
Version Number
6

North Temperate Lakes LTER: High Frequency Meteorological and Dissolved Oxygen Data - Trout Bog Buoy 2003 - 2014

Abstract
The instrumented buoy on Trout Bog is equipped with a dissolved oxygen sensor, a thermistor chain, and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. The D-Opto dissolved oxygen sensor is 0.5m from the lake surface, thermistors are placed every 0.5-1m throughout the water column, and meteorological sensors measure wind speed, wind direction, relative humidity, and air temperature. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Dataset ID
69
Date Range
-
Maintenance
ongoing
Metadata Provider
Methods
The instrumented buoy on Trout Bog is equipped with a dissolved oxygen sensor, a thermistor chain, and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. The D-Opto dissolved oxygen sensor is 0.5m from the lake surface, thermistors are placed every 0.5-1m throughout the water column, and meteorological sensors measure wind speed, wind direction, relative humidity, and air temperature. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples
Short Name
TBBUOY1
Version Number
22

North Temperate Lakes LTER: High Frequency Meteorological - Trout Lake Buoy2 - ADCP 2005 - 2006

Abstract
This instrumented buoy on Trout Lake is equipped with a thermistor chain and meteorological sensors that provide fundamental information on lake thermal structure, weather conditions, and lake metabolism. An acoustic Doppler current profiler (ADCP) is associated with this buoy. Data are usually collected every 10 minutes with occasional periods of 2 minute data for short periods to answer specific questions. The thermistors are placed every 0.5-1m from the surface through 13m, and meteorological sensors measure relative humidity, air temperature and wind parameters. In the fall of 2005, the buoy also included 4 Greenspan dissolved oxygen sensors placed at depths from the lake surface to 10m. After correcting for flux to or from the atmosphere and vertical mixing within the water column, high frequency measurements of dissolved gases such as carbon dioxide and oxygen can be used to estimate gross primary productivity, respiration, and net ecosystem productivity, the basic components of whole lake metabolism. Sampling Frequency: varies for instantaneous sample. averaged to hourly and daily values from one minute samples Number of sites: 1
Dataset ID
120
Date Range
-
Maintenance
completed
Metadata Provider
Methods
see abstract for methods description
Short Name
TR2BUOY1
Version Number
21
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