Field layer:
Select MCDA option
new criteria

New Criteria

delete criteria

Delete Criteria

AHP weights

AHP Weights

CriteriaWeight
Subcriteria
Min/Max
Rel Weights
Indifference (%)
  • Main Criteria
Hi
Value Rank Comment
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select fieldsSelect fields to show in output:

Criteria Weight Subcriteria Min/Max Relative Weights Indifference (%)

Options

Basic option allows users to run every tool for watershed delineation automatically at once. Advanced option allows users to run any specified tools with customized inputs. Watershed Extraction option outputs entire watershed as a polygon shapefile by running only necessary steps - 'Move Outlets' and 'Gage Watershed'.
Basic Advanced Watershed Extraction
Select folder (optional) :

Automatic

This tool runs every step in the advanced option automatically. The outlet points will be moved to modified Peuker Douglas stream pixels. 10 pixels will be used as a stream threshold if drop analysis can't find the optimal value. The input DEM should be in a projected coordinate system with the same units of X, Y, and height. Otherwise, the slope raster's unit should be interpreted as [unit of height] / [unit of X and Y].
Computation Mode:
DEM:
Outlet point layer:

Watershed Extraction

This tool creates the entire watershed shapefile for the moved outlet points. Once user uploads or define outlet points, they will be moved to stream pixels automatically. The NHD+ v2.0 HydroDEM (stream-burned) pixels of values less than -100m were determined as stream pixels.
Boundary Mask:
Outlet point layer:
Watershed:

Clip DEM (optional)

This tool clips out NHD+ v2.0 DEM for input DEM (Note: This DEM is not burned DEM). Please drag mouse to the extent less than HUC 10 because clipping size is limited.

Fill Sinks

This tool fills out pits of input DEM to make input DEM hydrologically reasonable. The input DEM should be in a projected coordinate system. Later 'Stream Network - Drop Analysis' and 'Stream Raster - Threshold' tools accept only rasters in a projected coordinate system.
DEM input raster:
Burn in stream layer (optional):
Output raster:

Compute Flow Direction

This tool creates two output grids - flow direction raster and slope raster, both in eight directions. The input DEM should be in a projected coordinate system. If input DEM is not in a projected coordinate system, the slope raster's unit should be interpreted as [unit of height] / [unit of X and Y].
Filled DEM:
Flow direction raster:
Slope raster:

Compute Flow Accumulation

Flow accumulation is calculated by summing up contributing numbers of pixels, through which stream flows into the target pixel. Please choose eight direction - flow direction raster as an input file.
Flow direction:
Flow accumulation raster:

Grid Analysis

This tool gives three outputs such as the longest flow path, total length of flow path, and Strahler Grid Network order.
Flow direction:
Longest flow path:
Total length of flow paths:
Grid network order:

Stream Network - Modified Peuker Douglas

This tool delineates stream pixes by the Modified Peuker Douglas Tool, which uses flow accumulation pixels in addition to original Peuker Douglas pixels.
Filled DEM raster:
Flow Accumulation raster:
Peuker Douglas Stream Network:

Move Outlets

This tool moves user-uploaded or user-defined outlet points to stream pixels. Please upload outlet points shapefile by right clicking on folders or Spatial Layers in Project Layers section. Or click 'Create Layer' button and add outlets on the map. If you choose to upload shapefile, please upload files with formats - .shp, .shx and .dbf.
Outlet point layer:
Optional:
Flow direction raster:
Move outlets to stream raster:
New outlet layer:

Weighted Flow Accumulation Area

Weighted flow accumulation sums up the number of contributing stream (such as Peuker Douglas) pixels at target pixel. The stream should eventually flow to the outlets.
Flow direction raster:
Modified Peuker Douglas stream raster:
Outlet points:
Weighted contributing area raster:

Stream Network - Drop Analysis

Drop analysis finds the threshold value for stream raster by T test, which evaluates the significant difference between the average drops of the first and higher order streams created based on the threshold assumption. (Note: The input DEM should be in a projected coordinate system.)
Filled DEM raster:
Flow accumulation raster:
Flow direction raster:
Weighted flow accumulation raster:
Outlet points:
Drop table name:
Threshold (m2) Drain Density (1.0E-2, m-1) 1st order stream Higher Order Stream T value
No. Ratio(%) Mean Drop (m) σ of Drop (m) No. Mean Drop (m) σ of Drop (m)

Stream Raster - Threshold

Stream Raster - Threshold tool defines stream raster by choosing pixels from weighted flow accumulation grid with the values larger than the given threshold.
Weighted flow accumulation raster:
Stream Raster Grid:
Threshold (m2):

Extract Streams and Channel Network

This tool outputs stream network and subwatersheds shapefiles. Each stream segment is defined by the links in stream network and subwatersheds are created based on each stream segment.
Filled DEM raster:
Flow direction raster:
Flow accumulation raster:
Stream Raster Grid:
Outlet points:
Stream Network:
Subwatersheds:

Gage Watershed

This tool creates the entire watershed shapefile for a given outlet.
Flow direction raster:
Outlet points:
Watershed:
Store results in folder:
Perform the analysis only for the zone layer specified below:
Boundary Mask:
Option 1: Trace the watershed on the map
Draw Tool:
Option 2: Use predefined NHD Hydrologic unit catalog:
Flow direction:
Pour Point:

I am the SSURGO soil extractor

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    Colorado Abandoned Mine Land (AML) Information

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    Information about the data sets is available here

    Agency Contact Information is available here

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      Disclaimer:

      The Colorado Abandoned Mine Lands Information website displays abandoned mine related data from several federal and state agencies. These agencies include: Bureau of Land Management (BLM); Department of Energy (DOE) Legacy management; Environmental Protection Agency (EPA) Region 8; National Park Service; and United States Forest Service (USFS). Additional abandoned mine reclamation information was provided by the Colorado Division of Reclamation Mining and Safety (DRMS). Agencies responsible for the data can be contacted with questions.

      These agencies amassed their data sets at different times over the past 30+ years. This was done using different methods, at different times and each agency has different goals and priorities regarding abandoned mine data. Therefore, it is important to note the following:

      • This site is designed to present a broad set of abandoned mine features, but it is not expected to represent all abandoned mine features within the State.
      • There will likely be duplicate records because multiple agencies may track the same features.
      • Each agency organizes abandoned mine features and areas differently.
      • Spatial information has varying levels of accuracy due to the various methods of data collection.
      • Information presented on this site may change and be updated.
      • Exact physical locations are estimated and the abandoned mine features are not visible when zoomed into a specific location.

      The data presented here are not intended to be used as a tool to assess risk. ANY DATA OR INFORMATION PROVIDED HERE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Data or information provided here shall be used and replied upon only at the user's sole risk, and the user agrees to indemnify and hold harmless the entities who provided the data and any other parties, its officials, officers and employees from any liability arising out of the use of the data/information provided. No warranty expressed or implied is made regarding the display or utility of the data, or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. The agencies who provided these data and the Colorado Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein.

      Getting Started:

      1. Click "Abandoned Mines Information"
      2. Select layers to view on the map
      3. Use the Info Icon tool to select and summarize layer attributes
        • Only visible layers will be queried
        • If multiple layers are visible, use the drop down menu, at the top of the info box, to select which layer attribute summary to view
      4. Information about the datasets and other metadata is available on the "Information" tab
      5. Other Map Tools:
        • The Pan Icon tool to allows you to pan/move on the map
        • The Zoom Icon tool to allows you to zoom to a selected area on the map
        • The Zoom-Previous Icon tool to allows you to zoom to the previous zoom extent
        • The Zoom-Next Icon tool to allows you to zoom to the next zoon extent (only available after using the zoom to previous extent)
        • The Zoom-Extent Icon tool to allows you to zoom to the extent of all project layers
        • The Clear Icon tool to allows you to clear your query selection from the map
        • The Layout Icon tool to allows you to print the current map extent
      6. Map Base Layer:
        • A number of base layers (map background) images are availble in this tool. To switch to a different base layer (i.e. satellite aeral view):
          1. On the 'Map' tab, click on 'Base Layers'
          2. Select which base layer to use (i.e. Google -> Satellite)
      7. Public Layers:
        • If an item is struck out with a line, it is not visible at the current scale. Zooming in will activate this layer.
        • To access additional information on the Public Layers, left-click on the individual layers. This will bring up a list of options:
          1. Zoom to Full Extent - Zooms to the full extent of the data
          2. Zoom to Visible Extent - Zooms to visible extent of the data
          3. Transparency/DPI - The transparency slider changes the transparency of the layer. The DPI slider will change the size of the points.
          4. Identify Features - When selected, this activates an information tool. Draw a box around the feature to show more information about it.
          5. Map Service Metadata - Information about the data.
          6. Extract Layer - This is used to extract information from the Public Layers into the main project "Abandoned Mines Information" list of layers. From the drop down, the user can select the layer or "new layer" to place this information into. To choose the data points/features, choose the method (e.g. polygon, rectangle, etc.) you would like to use to choose the points/features on the map. Choose the features on the map using the selected tool and click the "Generate" button. This will extract the selected data as a layer into the "Abandoned Mines Information" section.