• 2060 Futures Project3
  • Valley Pathways
  • walknrollslide
  • DebbieChris2lowres
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  • School and Borough officials toured 2 of the Borough's $214 Million in school projects recently. Here School Board Member Deborah Retherford and Architect Chris Whittington-Evans look at The Day School off Bogard Road.
  • Wow! Board of Fish Adopts Game-Changing Regs to Help Mat-Su Salmon. Read and hear audio by clicking image.
  • The Assembly recognizes the work of the Mat-Su Fish Team, who helped changed the framework of commercial fishing in Cook Inlet at the recent Alaska Board of Fisheries. The changes will provide a corridor for more northern-bound silvers to reach the Mat-Su. Pictured are Mat-Su Fish & Wildlife Commission & Borough staff.

Mat Su LiDAR & Imagery Project 2011-2012

  • General Information


    Contacts
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    GIS Specialist
    907-745-9695

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    The MSB LiDAR & Imagery Project is a collection of high-resolution elevation data and aerial imagery for 3680 square miles of the Matanuska-Susitna Borough (MSB) as well as the development of a number of ancillary datasets. For data management purposes the project has been divided into 7 blocks/areas: Matanuska, Core Area, Point MacKenzie, Willow, Caswell Lakes, Talkeetna, & North Susitna. The project is being managed by the MSB in collaboration with the US Geological Survey (USGS) and US Fish and Wildlife Service (USFWS).

    The following partners have contributed funding and/or resources to the project: Coastal Impact Assistance Program (CIAP); United States Geological Survey (USGS); Alaska Energy Authority (AEA); United States Fish and Wildlife Service (USFWS); The Nature Conservancy (TNC); National Oceanic and Atmospheric Administration (NOAA) Mat-Su Salmon Partnership; United States Army Corps of Engineers (USACE); Alaska Pacific University (APU); & Matanuska Susitna Borough (MSB).

    All data developed as a part of this project is Public Domain.

    Project Area Map     Project Area Map by Blocks



    Profile View of Point Cloud Data – Old Matanuska River Bridge, Palmer, AK
  • Project Updates

    This includes only the most recent update, for a complete list, see our Project Updates page.

    April 5, 2013 - LiDAR and Imagery Project Update

    Hello all,

    We are very happy to announce that all data for the LiDAR and Imagery Project is now available.

    The project webpage has also been updated and includes a number of updated and new documents on the Downloadable Documents tab.

    As a reminder, the LiDAR and Imagery products can either be ordered from the MSB Data Ordering Portal or downloaded from a Geographic Information Network of Alaska (GINA) webpage. The Data Ordering Portal allows users to order the full complement of products, over large areas of interest, and have them delivered via hard drive (the data is free, but there is a cost for the hard drive). The GINA webpage allows for individual products to be directly downloaded, however download times can be long because of the large files sizes. GINA also serves up web mapping services of the imagery and hillshades. The GINA webpage for project downloads and mapping services is funded by the Alaska Energy Authority.

    Many thanks,

    MSB GIS
  • Products

    • Orthorectified, multispectral, 4-band imagery (RGB & NIR); ½ ft resolution, for a 270 sq/mi urban area; 1 ft resolution, for the entire 3680 sq/mi project area (formats: Jpg2000, MrSid2, & uncompressed Tiff)
    • Point Cloud Data w/ 1m true nominal pulse spacing (nps) and 0.6m nps through overlap (these data meet both USGS & FEMA specs); classified and unclassified (format: LAS)
    • Automated “vegetation” classification; low (1-6ft), medium (6-15ft) and high (>15ft) (format: stored in the point cloud LAS files)
    • 1 m first return digital surface model (DSM) (aka top of canopy) (format: uncompressed TIFF)
    • 1 m bare earth digital elevation model (DEM) w/ hydro-flattening (format: uncompressed TIFF)
    • 1 m first return hillshade (format: uncompressed TIFF)
    • 1 m bare earth hillshade (format: uncompressed TIFF)
    • 1 m intensity images (format: uncompressed TIFF)
    • 2 ft contours (formats: dxf, geodatabase, shapefile)
    • Building footprints @ 97% accuracy (formats: geodatabase, shapefile)
    • Hydro breaklines (formats: geodatabase, shapefile)

    More information about each of these products can be found in the Frequently Asked Questions.



    prod 1prod 2prod 3 contourprod 4
  • Order Data

    MSB Data Ordering Portal (order data)GINA Webpage (download data)For data management purposes the project has been divided into 7 blocks/areas.

    Most of the project area was flown in 2011. A small portion of LiDAR in Hatcher Pass area and portions of the imagery of the Matanuska and Core Area blocks were flow in 2012.

    The Mat-Su LiDAR and Imagery project is important to a wide range of users. Some are only interested in one or two particular products or areas, while others want all products in all areas. As a result, the LiDAR and Imagery products can either be ordered from the MSB Data Ordering Portal or downloaded from a Geographic Information Network of Alaska (GINA) webpage. The Data Ordering Portal allows users to order the full complement of products, over large areas of interest, and have them delivered via hard drive (the data is free, but there is a cost for the hard drive). The GINA webpage allows for individual products to be directly downloaded, however download times can be long because of the large files sizes. GINA also serves up web mapping services of the imagery and hillshades. The GINA webpage is funded by the Alaska Energy Authority.

    The following table provides a status update on the products by block.

    Block Imagery LiDAR &
    Ancillary Products
    ½ ft Resolution 1ft Resolution
    Point MacKenzie Block  N/A  Available  Available
    Willow Block  N/A  Available  Available
    Caswell Lake Block  N/A  Available  Available
    Talkeetna Block  N/A  Available  Available
    North Susitna Block  N/A  Available  Available
    Matanuska Block  Available  Available  Available
    Core Area Block  Available  Available  Available

    The status can fall into one of five categories:

    Available = Prepared for distribution and available.
    N/A =
    Product not available for the area.

  • Downloadable Documents

    Project Documents

    2 Page Project Summary
    Frequently Asked Questions

    File Management Schema
    Scope of Work

    Project Maps

    Project Area Map
    Project Area Map by Blocks 
    Project Area Map by Blocks & Tiles (11x17)
    LiDAR Flown in 2011 vs. 2012
    Imagery Flown in 2011 vs. 2012

    Project Reports

    LiDAR Project Report
    DEM Vertical Accuracy Assessment
    Unclassified Point Cloud Accuracy Assessment
    Imagery Project Report

    Reference Documents

    USGS - National Geospatial Program - Lidar Guidelines and Base Specification
    FEMA - Procedure Memorandum No. 61—Standards for Lidar and Other High Quality Digital Topography
    NDEP - Guidelines for Digital Elevation Data

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