Alaska EPSCoR Data Portal

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Displaying all 12 entries

Linking LiDAR with streamwater biogeochemistry in coastal temperate rainforest watersheds.

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - The goal of this study was to use watershed characteristics derived from LIDAR data to predict stream biogeochemistry in Pacific coastal temperate rainforest (PCTR) watersheds. Over a two-day period, we sampled 37 streams for concentrations of dissolved C, N, P, major cations and measures of dissolved organic matter (DOM) quality (specific ultraviolet absorbance, SUVA254) and bioavailability....
Complete
2018-08-09 15:36:45 -0800
09 20 38 65 epscor 300x300 6jc8g1ukz3 nsf
Project Full Record

Chugach National Forest GIS – Freshwater Streams

Streams sm US Forest Service, Chugach National Forest (CNF) - <p>Digitized from 1:31,380 orthophoto quads. Estuarine channel types may extend beyond shoreline. Selected stream arcs on Cordova Ranger District updated October and November 2002. Presence of fish species and stream class were updated. Items UPDATE_DAT, METADATA, NOMINATED, and REFERENCE were added and coded for the updated arcs.</p> <p>Data available from the United States Department of...
Complete
2008-10-28
2018-08-09 15:10:53 -0800
09 16 05 388 usfs logo
Data Full Record

AK Hydro Streams in Southeast Alaska

US Forest Service, Tongass National Forest (USFS TNF) - This dataset portrays the linear water features in Southeast Alaska. The layer also provides channel type information, stream class information and classificationsparticular to the State Anadromous Waters Catalog.
Complete
2001-01-01
2014-03-19
2018-08-09 15:11:22 -0800
6hp9dyx9zc 11 49 07 510 usfs 300x300 1
Data Full Record

Icefields to Estuaries Web Map, Coastal Module

I2e Southeast Alaska GIS Library (SEAKGIS) - The Icefields to Estuaries map of the Southeast Alaska Coastal Module contains glaciers, estuaries, watershed boundaries, hydrology, sea surface temperatures, salinity, currents, bathymetry, and glacier hazards. This map is designed to support the Southeast Alaska Coastal Module. See the full project description at http://seakgis.alaska.edu/projects/index.html. Be aware of the access and...
Ongoing
2012-12-01
2014-12-31
2018-08-09 15:11:37 -0800
10 12 25 842 seak gis logo 1fzokanbif uas lec logo vert cmyk 300 dpi
Data Full Record

Cook Inlet Basin Study Unit – Streams and Rivers

US Geological Survey (USGS) - <p>nawqa_strm is a line coverage of the streams and rivers in the Cook Inlet Basin National Water-Quality Asessment (NAWQA) study unit. The purpose of this coverage is (1) to present a general overview of the number of streams and rivers located in the Cook Inlet watershed and (2) to serve as a guide for selecting water-quality sampling sites. The coverage was created by USGS and Alaska...
Unknown
1997-06-19
2018-08-09 15:11:02 -0800
15 29 14 173 logo usgs
Data Full Record

AK Hydro Stream Polygons in Southeast Alaska

University of Alaska Southeast (UAS) - This dataset provides cartographic representation of "wide" linear water features in Southeast Alaska.
Ongoing
2010-12-01
2014-03-19
2018-08-09 15:11:18 -0800
1fzokanbif uas lec logo vert cmyk 300 dpi
Data Full Record

Tongass National Forest, Riparian Management Areas (RMA), 2013

US Forest Service, Tongass National Forest (USFS TNF) - This feature class contains polygons which depict Riparian Management Areas on the Tongass National Forest. The script is in T:\FS\Reference\GeoTool\r10_tnf\ToolboxDelineation of the Riparian Management Area (RMA).The GIS polygon layer that depicts the Tongass Land Management Plan (TLMP) Standard and Guideline Riparian Management Area is a critical analysis and planning tool for delineating the...
Ongoing
2013-08-12
2013-08-27
2018-08-09 15:11:25 -0800
6hp9dyx9zc 11 49 07 510 usfs 300x300 1
Data Full Record

Kenai Peninsula Borough – Habitat Protection Areas - Managed Streams

Habitatprot 2 Kenai Peninsula Borough (KPB) - <p>Anadramous water habitat protection areas within the Kenai Peninsula Borough, as described in Chapter 21.18 of the Borough Code of Ordinances. </p> <p>Data available from the Kenai Peninsula Borough. For more information, please contact the Kenai Peninsula Borough GIS Department.</p>
Unknown
2018-08-09 15:10:59 -0800
09 42 35 691 kpb 300x300
Data Full Record

Stream Monitor

US Forest Service, Tongass National Forest (USFS TNF) - This dataset contains point features of stream reach surveys established for monitoring. Each point represents an individual monitoring reach.
Complete
2018-08-09 15:11:18 -0800
6hp9dyx9zc 11 49 07 510 usfs 300x300 1
Data Full Record

AK Hydro Barriers to Fish Passage in Southeast Alaska

University of Alaska Southeast (UAS) - This layer contains points representing bedrock waterfalls or other permanent in-stream obstacles that are potential barriers to fish passage on in Southeast Alaska. Waterfalls less than 1 meter are not mapped nor are those caused only by wood or debris jams. Channel types considered to be de facto barriers to fish passage HC5, HC6, &amp; MC3 were not included in the layer.
Ongoing
2000-12-31
2014-03-19
2018-08-09 15:11:22 -0800
1fzokanbif uas lec logo vert cmyk 300 dpi
Data Full Record

AK Hydro Dams in Southeast Alaska

This dataset provides a locational map of dams in Southeast Alaska. The National Inventory of Dams was originally developed by the U.S. Army Corps of Engineers and the Federal Emergency Management Agency. It was developed to track dam related problem areas. This database shows the age of the dam, number of people living downstream, and some inspection information. The dam inspection data also...
Complete
2018-08-09 15:11:37 -0800
6hp9dyx9zc 11 49 07 510 usfs 300x300 1 1fzokanbif uas lec logo vert cmyk 300 dpi
Data Full Record

Spatial distribution of mercury in southeastern Alaskan streams influenced by glaciers, wetlands, and salmon

EPSCoR - Alaska Adapting to Changing Environments (EPSCoR-ACE) - Southeastern Alaska is a remote coastal-maritime ecosystem that is experiencing increased deposition of mercury (Hg) as well as rapid glacier loss. Here we present the results of the first reported survey of total and methyl Hg (MeHg) concentrations in regional streams and biota. Overall, streams draining large wetland areas had higher Hg concentrations in water, mayflies, and juvenile salmon...
Complete
2018-05-10 10:39:06 -0800
09 20 38 65 epscor 300x300 6jc8g1ukz3 nsf
Project Full Record