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Contemporary observations suggest that water may disappear entirely from portions of some North Slope stream-beds during periods of drought or low flow. Climate models project even drier summers in the future. This could pose a problem for migrating fish that must be able to move back and forth from breeding and summer feeding areas to scarce overwintering sites. This work uses the best available long-term hydrologic data set for the North Slope (in the upper Kuparuk River watershed) to develop a model to assess the vulnerability of stream systems to periodic drought, and the vulnerability of migrating fish to a loss of stream connectivity.
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Arctic grayling (Thymallus arcticus) have a life-history strategy specifically adapted to the extreme climate of the North. These fish migrate to spawning grounds just after breakup in the spring, then migrate to feeding sites in early summer, and finally in the fall migrate back to their overwintering sites. The Kuparuk River is a perennial stream originating in the northern foothills of the Brooks Range on the North Slope of Alaska. Sections of the Kuparuk are periodically intermittent in that, during low flows in the system, these channel reaches appear dry. The flow varies between surface and subsurface in this permafrost-dominated environment, with subsurface flow being limited to the unfrozen thaw bulb around...
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Watersheds draining the Arctic Coastal Plain (ACP) of Alaska are dominated by permafrostand snowmelt runoff that create abundant surface storage in the form of lakes, wetlands, and beaded streams. These surface water elements compose complex drainage networks that affect aquatic ecosystem connectivity and hydrologic behavior. The 4676 km2 Fishand Creek drainage basin is composed of three watersheds that represent a gradient of theACP landscape with varying extents of eolian, lacustrine, and fluvial landforms. In each watershed, we analyzed 2.5-m-resolution aerial photography, a 5-m digital elevationmodel, and river gauging and climate records to better understand ACP watershed structureand processes. We show that...
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Stream physical parameter time series files for six or more beaded streams on the North Slope of Alaska in the Fish Creek Watershed near Nuiqsut. These include time series of water temperature (pool bed and surface and channel runs) and pool stage and correspond stream discharge developed from a rating curve.
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The distribution and abundance of fishes across the Alaska Arctic is not well understood. Better information on fish distribution is needed for habitat assessment and modeling activities and is also important for planning industrial activities. The State of Alaska maintains a fish distribution database for anadromous fish species, however there is currently no analog for resident fish species. The concept behind AquaBase was to fill the information gap for resident fish by design a database that contains information about all fish species. AquaBase does not duplicate information that is already available in other spatial database, but rather ‘rescues’ data from reports that are not readily available.
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Hydrologic data for the Alaska Arctic are sparse, and fewer still are long-term (> 10 year) datasets. This lack of baseline information hinders our ability to assess long-term alterations in streamflow due to changing climate. The Arctic LCC is provided stop-gap funding to continue this long time series hydrological data sets in the Kuparuk and Putuligayuk watersheds.
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Our overarching questions are: (1) How much of the river water and water-borne constituents (i.e. sediment, nutrients, organic matter) from the Jago, Okpilak and Hulahula rivers are coming from glacier melt? (2) How do inputs from these rivers affect the downstream ecosystems? (3) How will loss of glaciers affect these ecosystems? The study will help elucidate how inputs from glacier-dominated arctic rivers differ from unglaciated rivers, through a combination of ground work, boat work, and remote sensing. In Phase One of this study, we intend to explore the relationship between glaciers and coastal ecosystems. Our goal in this phase-one study is not to answer these questions conclusively but rather improve our...
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The USGS and Arctic National Wildlife Refuge Staff operate and maintain a streamgage at Hulahula River near Kaktovik, Alaska. Data from this station is necessary to complement glacier mass-balance studies and provide information necessary to project stream flow regimes under various scenarios of climate change. This project includes operation, acquiring real-time data, analysis of the data, and internet access. The gauge continues to operate as of 2017.
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LCC funding for this project helped maintain a network of hydrology monitoring sites in a representative watershed of the Arctic Coastal Plain. The work was conducted within the context of climate change and impending oil and gas activities in the region, the latter of which is the impetus for focusing on the Fish Creek watershed. The project included two monitoring components:1) Beaded Stream & Lake Hydrology Monitoring (dominant habitat type within the watershed): in 6 stream/lake complex watersheds (Redworm, Hannahbear, Blackfish, Crea, Oil, and Bills creeks), continuous water level and temperature (in lakes, streams, and confluences), discrete discharge measurements, and continuous water quality (specific conductivity,...
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Researchers from the University of Alaska Fairbanks (UAF) willdevelop a model that examines the relationship betweenmeasured steam flow and surface water connectivity betweensummer feeding and overwintering habitats for fish on theNorth Slope.
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The Arctic LCC and partners are supporting stream gages infive different river systems. The rivers being monitored fall intothree broad categories: glacial streams originating in the BrooksRange (Hulahula river), streams with only minor glacial input(Kuparuk, Canning & Tamayariak rivers), and non-glacialstreams that are contained entirely within the Arctic CoastalPlain, such as the Putuligayuk River
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The Arctic LCC and partners are supporting stream gages infive different river systems. The rivers being monitored fall intothree broad categories: glacial streams originating in the BrooksRange (Hulahula river), streams with only minor glacial input(Kuparuk, Canning & Tamayariak rivers), and non-glacialstreams that are contained entirely within the Arctic CoastalPlain, such as the Putuligayuk River
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Hydrologic data for the Alaska Arctic are sparse, and fewer still are long-term (> 10 year) datasets. This lack of baseline information hinders our ability to assess long-term alterations in streamflow due to changing climate. The Arctic LCC provided stop-gap funding to continue this long time series hydrological data sets in the Kuparuk and Putuligayuk watersheds. See the Arctic LCC funded TEON project for ongoing hydrologic and meteorologic monitoring in these watersheds.
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This paper explores the impacts of shrinking glaciers on downstream ecosystems in the Arctic National Wildlife Refuge. Glaciers here are losing mass at an accelerating rate and will largely disappear in the next 50–100 years if current trends continue. We believe this will have a measurable and possibly important impact on the terrestrial and estuarine ecosystems and the associated bird and fish species within these glaciated watersheds.
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The Putuligayuk catchment is wholly contained within the coastal plain and is one of the few rivers on the North Slope with a long-term record of water discharge. These long-term datasets are invaluable to modeling efforts that will provide insight on stream flows under scenarios of changing climate.
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Hydrologic data for the Alaska Arctic are sparse, and fewer still are long-term (> 10 year) datasets. This lack of baseline information hindered our ability to assess long-term alterations in streamflow due to changing climate. The Arctic LCC is provided stop-gap funding to continue this long time series hydrological data sets in the Kuparuk and Putuligayuk watersheds
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The Arctic Coastal Plain (ACP) of northern Alaskaconsists of an extremely low gradient, lake-richlandscape that is characterized by a complex networkof aquatic habitats and surface features stronglyinfluenced by permafrost dynamics. Much is unknownabout the form, function, and ecological conditions inthis unique hydrologic setting. Amplified climatechange and landscape responses in the Arctic furthercomplicate the capacity to separate natural variabilityfrom land use effects that may occur with petroleumdevelopment. A comprehensive, multi-disciplinaryreview and analysis of recent studies and initialinventory and monitoring in the Fish Creek watershedon the ACP provided guidance to develop a frameworkfor future aquatic...
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The distribution and abundance of fishes across the Alaska Arctic is not well understood. Better information on fish distribution is needed for habitat assessment and modeling activities and is also important for planning industrial activities. The State of Alaska maintains a fish distribution database for anadromous fish species, however there is currently no analog for resident fish species. The concept behind AquaBase was to fill the information gap for resident fish by design a database that contains information about all fish species. AquaBase does not duplicate information that is already available in other spatial database, but rather ‘rescues’ data from reports that are not readily available.
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Aquabase is a geodatabase that links freshwater fish and hydrological information with referenced waterbody locations. Presently, the geospatial region covered is Alaska’s central and eastern North Slope, between the Kuparuk River and USA/Canada border. The dataset is available either as an ESRI ArcGIS 10 file geodatabase or as a shapefile with associated tables.
map background search result map search result map Streamflow monitoring on the Canning and Tamayariak rivers. Fish Creek Watershed Hydrology Monitoring Linking North Slope Climate, Hydrology, and Fish Migration Streamflow Monitoring on Upper Kuparuk and Putuligayuk Rivers (2010) Hydrologic Monitoring of Glacier-Influenced Watersheds (Hulahula Gage) Expanding the North Slope Fish Distribution and Water Quality Geodatabase Linking North Slope of Alaska climate, hydrology, and fish migration Aquabase shapefile and tables Aquabase Geodatabase Streamgages Factsheet Drainage Network Structure and Hydrologic Behavior of Three Lake-Rich Watersheds on the Arctic Coastal Plain, Alaska WERC - North Slope Hydrology Research Projects Data Climate and Fish Migration Factsheet Streamgages Factsheet Streamgages Factsheet Fish Creek Watershed Data Predicting the Impact of Glacier Loss Developing a Long-term Aquatic Monitoring Network Developing a Long-Term Aquatic Monitoring Network in a Complex Watershed of the Alaskan Arctic Coast Integrating studies of glacier dynamics and estuarine chemistry in the context of landscape change in the Arctic Refuge Streamflow Monitoring on Upper Kuparuk and Putuligayuk Rivers (2012) Linking North Slope Climate, Hydrology, and Fish Migration Linking North Slope of Alaska climate, hydrology, and fish migration Climate and Fish Migration Factsheet Hydrologic Monitoring of Glacier-Influenced Watersheds (Hulahula Gage) Streamgages Factsheet Streamflow Monitoring on Upper Kuparuk and Putuligayuk Rivers (2012) Predicting the Impact of Glacier Loss Integrating studies of glacier dynamics and estuarine chemistry in the context of landscape change in the Arctic Refuge Streamflow monitoring on the Canning and Tamayariak rivers. Streamgages Factsheet Fish Creek Watershed Hydrology Monitoring Drainage Network Structure and Hydrologic Behavior of Three Lake-Rich Watersheds on the Arctic Coastal Plain, Alaska Fish Creek Watershed Data Developing a Long-term Aquatic Monitoring Network Developing a Long-Term Aquatic Monitoring Network in a Complex Watershed of the Alaskan Arctic Coast Streamflow Monitoring on Upper Kuparuk and Putuligayuk Rivers (2010) WERC - North Slope Hydrology Research Projects Data Streamgages Factsheet Expanding the North Slope Fish Distribution and Water Quality Geodatabase Aquabase shapefile and tables Aquabase Geodatabase