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  2. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    The watershed area can then be estimated using a planimeter, by overlaying graph paper and counting grid cells, or the result can be digitized for use with mapping software. The same process can be done on a computer, sketching the watershed boundary (with a mouse or stylus) over a digital copy of a topographic map. [ 1 ]

  3. Watershed (image processing) - Wikipedia

    en.wikipedia.org/wiki/Watershed_(image_processing)

    Watersheds may also be defined in the continuous domain. [1] There are also many different algorithms to compute watersheds. Watershed algorithms are used in image processing primarily for object segmentation purposes, that is, for separating different objects in an image. This allows for counting the objects or for further analysis of the ...

  4. MapWindow GIS - Wikipedia

    en.wikipedia.org/wiki/MapWindow_GIS

    MapWindow GIS and its associated MapWinGIS ActiveX Control were originally developed by Daniel P. Ames and a team of professors and students at Utah State University in 2002-2003 as part of a research project with the Idaho National Laboratory in Idaho Falls, Idaho as a GIS mapping framework for watershed modelling tools in conjunction with source water assessments conducted by the laboratory.

  5. GeoSUR - Wikipedia

    en.wikipedia.org/wiki/GeoSUR

    GeoSUR developed a free access Topographic Processing Service (TPS) which is available on the web and allows for the generation of data derived from digital elevation models (DEMs) of Latin America and the Caribbean. Users may execute the computer models available in this service by using a varied set of DEMs with 1 km., and 500, 250, 90, and ...

  6. Drainage basin - Wikipedia

    en.wikipedia.org/wiki/Drainage_basin

    A drainage basin's boundaries are determined by watershed delineation, a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin , rather than flowing to the ocean, water converges toward the interior of the basin, known as a sink , which may be a permanent lake, a dry lake , or a point where surface ...

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    Cowboy Names Go Next-Level. Call it the Yellowstone effect. "One of the biggest trends we’ll see for baby boy names in 2025 are 'Country Rebrand' names," says Sophie Kihm, editor-in-chief of ...

  8. Hydrologic unit system (United States) - Wikipedia

    en.wikipedia.org/wiki/Hydrologic_unit_system...

    The newer delineation work on watersheds and subwatersheds was done using 1:24,000 scale maps and data. As a result, the subbasin boundaries were changed and adjusted in order to conform to the higher resolution watersheds within them. Changes to subbasin boundaries resulted in changes in area sizes.

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