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ROOT _ScienceBase Catalog __National and Regional Climate Adaptation Science Centers ___Alaska CASC ____FY 2014 Projects
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This dataset contains replicate samples collected in the field by community technicians. No field replicates were collected in 2012. Replicate constituents with differences less than 10 percent are considered acceptable.
This dataset includes laboratory instrument detection limit data associated with laboratory instruments used in the analysis of surface water samples collected as part of the USGS - Yukon River Inter-Tribal Watershed Council collaborative water quality monitoring project.
Abstract (from ScienceDirect): Indigenous peoples are increasingly developing Community-Based Monitoring programs to protect the waters and lands within their territories in response to multiple ecological and political stressors. Furthermore, CBM tends to focus on Indigenous peoples’ role as ‘knowledge holders.’ This paper explores CBM through a governance lens by understanding CBM as a strategy for the assertion of Indigenous sovereignty and jurisdiction. Research findings revealed that CBM is understood as both a method for generating data useful for decision-making and an expression of governance itself, rooted in understandings of stewardship, kinship and responsibility. Our findings also suggest that data...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Alaska Natives and Corporations,
Indigenous Peoples,
Rivers, Streams and Lakes,
Water, Coasts and Ice
Abstract (from Wiley Online Library): Runoff from boreal hillslopes is often affected by distinct soil boundaries, including the frozen boundary and the organic-mineral boundary (OMB), where highly porous and hydraulically conductive organic material overlies fine-grained mineral soils. Viewed from the surface, ground cover appears as a patchwork on sub-meter scales, with thick, moss mats interspersed with lichen-covered, silty soils with gravel inclusions. We conducted a decameter-scale subsurface tracer test on a boreal forest hillslope in interior Alaska to quantify locations and mechanisms of transport and storage in these soils, focusing on the OMB. A sodium bromide tracer was added as a slug addition to a...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Rivers, Streams and Lakes,
Water, Coasts and Ice
This dataset contains data collected from field blanks. Field blanks are deionized water processed in the field by community technicians using processing methods identical to those for surface water samples. Field blanks are then analyzed in the laboratory following procedures identical to those for surface water samples.
The dataset includes field measurements and laboratory analysis of water-quality data collected by trained community technicians across the Yukon River Basin in Alaska and Canada and Yukon River Inter-Tribal Watershed Council staff and analyzed at the U.S. Geological Survey National Research Program laboratories in Boulder, CO.
Categories: Data;
Types: Citation;
Tags: Climate Change,
Water Quality,
Yukon River, Alaska USA and Canda
Abstract (from ScienceDirect): Ice wedge polygons on the North Slope of Alaska have been forming for many millennia, when the ground thermally contracts in the winter and water fills in the cracks during the snowmelt season. The infiltrated water then freezes and turns into ice. In this paper we investigate temperature dynamics around the ice wedges and surrounding permafrost. A 2-D nonlinear heat equation with phase change is utilized to compute temperature across the ice wedge and surrounding area. Thermal properties of the ground material are estimated by assimilating temperature measurements in the center of ice wedge polygons. The developed finite element model is successfully validated using two analytical...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Arctic,
Glaciers and Permafrost,
Landscapes,
Water, Coasts and Ice
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