System for taking land-use inventories overcomes two problems in estimating extent of irrigated land: only small portion of large state surveyed in given year, and aerial photographs made on 1 day out of year do not provide adequate picture of areas growing more than one crop per year. Developed for state of California as guide to controlling, protecting, conserving, and distributing water within state. Adapted to any large area in which large amounts of irrigation water needed for agriculture. Combination of satellite images, aerial photography, and ground surveys yields data for computer analysis. Analyst also consults agricultural statistics, current farm reports, weather reports, and maps. These information sources aid in interpreting patterns, colors, textures, and shapes on Landsat-images.


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    Titel :

    Accurate Inventories Of Irrigated Land


    Beteiligte:
    Wall, S. (Autor:in) / Thomas, R. (Autor:in) / Brown, C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.12.1992



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Irrigated land retirement

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    Reduced inventories - whose?

    Bedwell,M. / Coventry Univ.,GB | Kraftfahrwesen | 1995


    Railway inventories under liquidation

    Engineering Index Backfile | 1938


    Railway inventories not excessive

    Engineering Index Backfile | 1943