Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Digital Database Architecture and Delineation Methodology for Deriving Drainage Basins, and a Comparison of Digitally and Non-Digitally Derived Numeri

Digital Database Architecture and Delineation Methodology for Deriving Drainage Basins, and a Comparison of Digitally and Non-Digitally Derived Numeri

Crowfoot, Richard M.
Dupree, Jean a.

Paperback

Technology & Engineering

ISBN10: 1500296325
ISBN13: 9781500296322
Publisher: Createspace
Published: Jun 23 2014
Pages: 68
Weight: 0.40
Height: 0.14 Width: 8.50 Depth: 11.02
Language: English
The drainage basin is a fundamental hydrologic entity used for studies of surface-water resources and during planning of water-related projects. Numeric drainage areas published by the U.S. Geological Survey water science centers in Annual Water Data Reports and on the National Water Information Systems (NWIS) Web site are still primarily derived from hard-copy sources and by manual delineation of polygonal basin areas on paper topographic map sheets. To expedite numeric drainage area determinations, the Colorado Water Science Center developed a digital database structure and a delineation methodology based on the hydrologic unit boundaries in the National Watershed Boundary Dataset. This report describes the digital database architecture and delineation methodology and also presents the results of a comparison of the numeric drainage areas derived using this digital methodology with those derived using traditional, non-digital methods.

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