Filters: Tags: Shingobee Lake (X)
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The sampling of three hydrologically diverse Minnesota Lakes (Williams Lake, Shingobee Lake, and Lake Manganika) took place during the years of 2012 to 2013. Water samples were collected and filtered in the field using 0.45 micrometer capsule filters (Versapor membrane), silicon tubing, and a peristaltic pump. Water samples were then shipped on ice to the U.S. Geological Survey in Boulder, Colorado and chilled to approximately 4 degrees Celsius until analysis. Dissolved organic matter (DOM) was separated into fractions by an isolation method that passes aqueous sample through Amberlite XAD8 and XAD4 resins using low pressure liquid chromatography. The hydrophobic organic acid (HPOA) fraction is the eluate from the...
Categories: Data;
Tags: Manganika Lake,
Minnesota,
North America,
Shingobee Lake,
USGS Science Data Catalog (SDC),
The Shingobee Headwaters Aquatic Ecosystem Project is a long-term, multi-disciplinary monitoring and research study of a 28-square-kilometer headwaters watershed in north-central Minnesota that began in 1978. Emphasis is on processes related to hydrology, limnology, geochemistry, and watershed ecology and the land-water and atmosphere-water interfaces. Lakes are a substantial focus and integrator of many of the physical, chemical, and biological processes that occur within watersheds. Large volumes of groundwater discharge provide resilience to lakes and wetlands in response to anthropogenic and climatic influences. Minnesota, located in north-central USA, has been both warmer and wetter than normal during the past...
Categories: Data;
Tags: Field inventory and monitoring,
Groundwater level,
Hydrology,
Limnology,
Shingobee Lake,
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